Fowa Miami 09 Cloud Computing Workshop
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Transcript of Fowa Miami 09 Cloud Computing Workshop
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Mark Masterson | http://jroller.com/MasterMark
How to build your app quickly (and cheaply?) using the Cloud
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Mark Masterson | http://jroller.com/MasterMark
Intro(Admin, facilities, who I am)
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Mark Masterson | http://jroller.com/MasterMark
Agenda
•Overview•Walk-through deployment on PaaS and IaaS•Break•Considerations
•Costs / Economics•Architecture
•Discussion
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Mark Masterson | http://jroller.com/MasterMark
Goals for the workshop
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Mark Masterson | http://jroller.com/MasterMark
Cloud computing. WTF?
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Mark Masterson | http://jroller.com/MasterMark
WAN
(Frame Relay, ISDN,
etc.)
Router
Router
LAN A
LAN B
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Mark Masterson | http://jroller.com/MasterMark
For this workshop, it means: elastic compute resources, charged for like
a utility
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Mark Masterson | http://jroller.com/MasterMark
Why bother?
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Mark Masterson | http://jroller.com/MasterMark
What’s a “web app”?
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Mark Masterson | http://jroller.com/MasterMark
http://www.flickr.com/photos/psd/6732568/in/set-666533/
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Mark Masterson | http://jroller.com/MasterMark
http://www.flickr.com/photos/psd/6733371/in/set-666533/
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Mark Masterson | http://jroller.com/MasterMark
http://www.flickr.com/photos/psd/6733187/in/set-666533/
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Mark Masterson | http://jroller.com/MasterMark
http://www.flickr.com/photos/gopal1035/322084210/
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Mark Masterson | http://jroller.com/MasterMark
http://www.flickr.com/photos/psd/58054545/
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Mark Masterson | http://jroller.com/MasterMark
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Mark Masterson | http://jroller.com/MasterMark
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Mark Masterson | http://jroller.com/MasterMark
It’s more than static content.
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Mark Masterson | http://jroller.com/MasterMark
So that means, it’s about any and all commercial web sites, right?
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Mark Masterson | http://jroller.com/MasterMark
No. Don’t think so.
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Mark Masterson | http://jroller.com/MasterMark
Griefer alert: is this just flamebait?
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Mark Masterson | http://jroller.com/MasterMark
No. In the context of cloud computing, it makes a difference.
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Mark Masterson | http://jroller.com/MasterMark
A big difference.
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Mark Masterson | http://jroller.com/MasterMark
Apps do something.
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Mark Masterson | http://jroller.com/MasterMark
Content doesn’t.
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Mark Masterson | http://jroller.com/MasterMark
Cloud computing is about doing something.
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Mark Masterson | http://jroller.com/MasterMark
http://www.nytimes.com/2006/06/14/technology/14search.html
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Mark Masterson | http://jroller.com/MasterMark
“Microsoft is adding 10k servers a month to their infrastructure”
http://blogs.zdnet.com/microsoft/?p=1391
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Mark Masterson | http://jroller.com/MasterMark
“That’s one Facebook per month”
http://www.datacenterknowledge.com/archives/2008/04/23/facebook-now-running-10000-web-servers/http://www.istartedsomething.com/20080812/microsoft-enviroment-video-reveals-server-numbers-power/
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Mark Masterson | http://jroller.com/MasterMark
Amazon talks a lot about the demand…
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Mark Masterson | http://jroller.com/MasterMark
Animoto went from 50 to 3400 Amazon virtual servers in two days
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Mark Masterson | http://jroller.com/MasterMark
http://aws.typepad.com/aws/2008/04/animoto---scali.html
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Mark Masterson | http://jroller.com/MasterMark
The New York Times converted 4TB of TIFFs to PDFs in a day.
For $240
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Mark Masterson | http://jroller.com/MasterMark
http://open.blogs.nytimes.com/2007/11/01/self-service-prorated-super-computing-fun/http://open.blogs.nytimes.com/2008/05/21/the-new-york-times-archives-amazon-web-services-timesmachine/
http://www.roughtype.com/archives/2008/11/the_new_economi.php
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Mark Masterson | http://jroller.com/MasterMark
And Amazon shows everyone who will sit still for more than 5 seconds
the following picture:
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Mark Masterson | http://jroller.com/MasterMark
http://aws.typepad.com/aws/2008/05/lots-of-bits.html
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Mark Masterson | http://jroller.com/MasterMark
Assumption: Mom+Pop ISP ™ cannot compete with this.
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Mark Masterson | http://jroller.com/MasterMark
Are Mom+Pop doomed?
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Mark Masterson | http://jroller.com/MasterMark
Ultimately, that depends on you, the developers of web apps.
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Mark Masterson | http://jroller.com/MasterMark
It’s going to depend on decisions you make about architectural and
engineering concerns.
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Mark Masterson | http://jroller.com/MasterMark
Architecture is about making design choices. Engineering is about knowing your materials.
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Mark Masterson | http://jroller.com/MasterMark
Making use of the Cloud is an architectural and engineering
challenge.
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Mark Masterson | http://jroller.com/MasterMark
So what are the architectural choices? What are the materials?
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Mark Masterson | http://jroller.com/MasterMark
http://rationalsecurity.typepad.com/blog/2009/01/cloud-computing-taxonomy-ontology-please-review.html
http://cloudcomputing.sys-con.com/node/811519
http://www.collab-ogce.org/gce08/images/7/76/LamiaYouseff.pdf
SADIST-PIMP
SPI (SaaS, Paas, IaaS)
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Mark Masterson | http://jroller.com/MasterMark
http://www.mindmeister.com/maps/show_public/15936058
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Mark Masterson | http://jroller.com/MasterMark
But wait! Once that’s sorted, you have to consider contextual
dimensions…
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Mark Masterson | http://jroller.com/MasterMark
http://cloudforum.googlegroups.com/web/Metaverse+Decomposition.pdf
The Radeztsky Cube
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Mark Masterson | http://jroller.com/MasterMark
http://cloudforum.googlegroups.com/web/Metaverse+Decomposition.pdf
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Mark Masterson | http://jroller.com/MasterMark
IOW, your choices are influenced by whether you are integrating established apps, or writing a
green-field app….
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Mark Masterson | http://jroller.com/MasterMark
And whether your architecture will be entirely in the public Cloud, or a
mix of public and private resources.
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Mark Masterson | http://jroller.com/MasterMark
For the sake of this workshop, we’re going to refer to the SPI
model…
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Mark Masterson | http://jroller.com/MasterMark
SaaS
PaaS
IaaS
SPI Model
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Mark Masterson | http://jroller.com/MasterMark
We’re going to assume a green-field app, deployed entirely on the
public Cloud…
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Mark Masterson | http://jroller.com/MasterMark
We’re going to focus on the scenario of “your code, running
elsewhere” – not so much on mashups and re-use of SaaS
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Mark Masterson | http://jroller.com/MasterMark
And we’re going to examine the question of PaaS vs. IaaS for that
app.
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Mark Masterson | http://jroller.com/MasterMark
Goals for the workshop
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Mark Masterson | http://jroller.com/MasterMark
OK. So what is PaaS?
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Mark Masterson | http://jroller.com/MasterMark
Platform As A Service
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Mark Masterson | http://jroller.com/MasterMark
Some examples: Google App Engine, Bungee, Force.com,
Heroku
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Mark Masterson | http://jroller.com/MasterMark
Characterized by…
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Mark Masterson | http://jroller.com/MasterMark
Constraints on language and design
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Mark Masterson | http://jroller.com/MasterMark
A high level programming model
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Mark Masterson | http://jroller.com/MasterMark
A specific model of multi-tenancy
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Mark Masterson | http://jroller.com/MasterMark
Takes care of low level concerns
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Mark Masterson | http://jroller.com/MasterMark
Google App Engine
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Mark Masterson | http://jroller.com/MasterMark
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Mark Masterson | http://jroller.com/MasterMark
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Mark Masterson | http://jroller.com/MasterMark
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Mark Masterson | http://jroller.com/MasterMark
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Mark Masterson | http://jroller.com/MasterMark
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Mark Masterson | http://jroller.com/MasterMark
That’s it.
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Mark Masterson | http://jroller.com/MasterMark
Constraints on language and design
(Python + BigTable + Goog Svcs)
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Mark Masterson | http://jroller.com/MasterMark
A high level programming model(The WebApp (or other Python)
framework, Datastore APIs, Memcache, etc.)
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Mark Masterson | http://jroller.com/MasterMark
A specific model of multi-tenancy
(Google’s BigTable + GFS platform)
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Mark Masterson | http://jroller.com/MasterMark
Takes care of the low level concerns
(Scales for you (up and down), distribution across cluster nodes,
load balancing, replication of data, etc. )
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Mark Masterson | http://jroller.com/MasterMark
Pretty cool.
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Mark Masterson | http://jroller.com/MasterMark
Infrastructure As A Service
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Mark Masterson | http://jroller.com/MasterMark
Characterized by…
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Mark Masterson | http://jroller.com/MasterMark
No constraints on language or design
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Mark Masterson | http://jroller.com/MasterMark
A high level architectural model
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Mark Masterson | http://jroller.com/MasterMark
A specific model of multi-tenancy
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Mark Masterson | http://jroller.com/MasterMark
Takes care of very few low level concerns
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Mark Masterson | http://jroller.com/MasterMark
This is a LOT more work. ;)
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Mark Masterson | http://jroller.com/MasterMark
Amazon Web Services
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Mark Masterson | http://jroller.com/MasterMark
Amazon Web Services•Elastic Compute Cloud (EC2)•SimpleDB•Simple Storage Service (S3)•Simple Queue Service (SQS)•EC2 Elastic Block Store (EBS)•Other stuff…
•Cloudfront•DevPay•Flexible Payments Service (FPS)•Mechanical Turk•Alexa
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Mark Masterson | http://jroller.com/MasterMark
By and large, “Amazon” means “EC2”
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Mark Masterson | http://jroller.com/MasterMark
EC2 is the only AWS service that one deploys to
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Mark Masterson | http://jroller.com/MasterMark
You just use the other services – whether from an EC2 instance or
anywhere else on the Web is irrelevant
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Mark Masterson | http://jroller.com/MasterMark
The core “unit” of EC2 is the Amazon Machine Image – AMI
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Mark Masterson | http://jroller.com/MasterMark
An AMI is a virtual machine image – a VM
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Mark Masterson | http://jroller.com/MasterMark
A VM is just a (very large) file. Like a live ISO disk image. Typically, it is
some distro of Linux.
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Mark Masterson | http://jroller.com/MasterMark
Amazon uses Xen, an open source VM system
http://www.xen.org/
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Mark Masterson | http://jroller.com/MasterMark
The key to IaaS is that you can use any app architecture you like
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Mark Masterson | http://jroller.com/MasterMark
The drawback with IaaS is that you therefore have to design your own
app architecture
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Mark Masterson | http://jroller.com/MasterMark
Generally speaking, this is the same task (with the same effort) that you would need for physical
hardware hosted at an ISP
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Mark Masterson | http://jroller.com/MasterMark
App servers, load balancers, databases, clusters, replication,
networking…
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Mark Masterson | http://jroller.com/MasterMark
You sort it out yourself
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Mark Masterson | http://jroller.com/MasterMark
With Amazon, this begins with obtaining your credentials
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Mark Masterson | http://jroller.com/MasterMark
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Mark Masterson | http://jroller.com/MasterMark
Then you download the command line tools and set them up…
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Mark Masterson | http://jroller.com/MasterMark
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Mark Masterson | http://jroller.com/MasterMark
You use the tools to proceed through the AMI workflow
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
AMI ID
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
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Mark Masterson | http://jroller.com/MasterMark
•Create keypair•Save the private key locally•ec2-add-keypair <descriptive keypair name>
•Launch selected instance•Using AMI ID and keypair name•ec2-run-instances <AMI ID> -k <keypair name>•Returns the Instance ID
•Examine the running instance•ec2-describe-instances <instance ID>
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
…
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Mark Masterson | http://jroller.com/MasterMark
Let’s pick that apart…
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
…Reservation ID
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
…AWS Access Key ID
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Mark Masterson | http://jroller.com/MasterMark
AWS Access Key ID
![Page 111: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/111.jpg)
Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
…Security Group ID
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
…Instance ID
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
…AMI ID
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
…External DNS host name
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
… Internal DNS host name
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
…
Current state of the instance
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
…
Keypair name
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
…
AMI Launch Index
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
…
Instance type
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
…
Launch time
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
…
Availability Zone ID
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Mark Masterson | http://jroller.com/MasterMark
Availability zones are a bit complicated…
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
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Mark Masterson | http://jroller.com/MasterMark
Other IaaS providers may (or may not) have similar capabilities
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Mark Masterson | http://jroller.com/MasterMark
The point is that, unlike GAE, here is yet another detail that you need
to think about
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Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
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Mark Masterson | http://jroller.com/MasterMark
•Open network access to the instance•ec2-authorize <security group name> -p <port number> •Can include options like restricting access to a specific (public) IP address
•-s <IP address/CIDR subnet range>•Eg. “-s your_public_IP_address/32”* for just your host
•At a minimum, you need to configure port 22 for SSH access•Connect to the instance with SSH
•ssh –i <private keyfile> root@<public DNS host name>•Note: with “ec2-get-console-output”, you can get (among other things) the SSH host key fingerprint, before logging on with SSH. At login, you can compare to be sure there’s no “man in the middle”
•Begin modifying the instance
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Mark Masterson | http://jroller.com/MasterMark
Once you’ve modified the image, you “bundle” it (which is a kind of snapshot), upload the bundle to
S3, and register it with EC2
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Mark Masterson | http://jroller.com/MasterMark
There are hundreds of publicly available AMIs for use as templates
![Page 131: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/131.jpg)
Mark Masterson | http://jroller.com/MasterMark
And, finally, with some set of your own AMIs, you can begin running
instances of your app
![Page 132: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/132.jpg)
Mark Masterson | http://jroller.com/MasterMark
And that brings us to the runtime considerations…
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Mark Masterson | http://jroller.com/MasterMark
AKA – how does your app scale horizontally?
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Mark Masterson | http://jroller.com/MasterMark
A brief scalability refresher: vertical scalability is “get a bigger box”
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Mark Masterson | http://jroller.com/MasterMark
Horizontal scalability is “add more copies of the same box”
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Mark Masterson | http://jroller.com/MasterMark
To put it bluntly, if your app can't efficiently scale in a horizontal
fashion, you’re wasting your time on the Cloud
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Mark Masterson | http://jroller.com/MasterMark
On GAE, under the covers tech like BigTable, GFS and the legendary
Map/Reduce are taking care of this for you
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Mark Masterson | http://jroller.com/MasterMark
In an IaaS context like AWS, you have to solve the problem yourself
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Mark Masterson | http://jroller.com/MasterMark
EC2 has a SOAP API that you can invoke – whether you do so from
outside EC2, or from within a running AMI is irrelevant
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Mark Masterson | http://jroller.com/MasterMark
Invoking the EC2 API to launch and terminate instances from a running
instance gives you the ability to create dynamic horizontal
scalability
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Mark Masterson | http://jroller.com/MasterMark
Your load balancer AMI could start extra instances of your web server
AMI to meet demand…
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Mark Masterson | http://jroller.com/MasterMark
And turn them back off, when demand subsides
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Mark Masterson | http://jroller.com/MasterMark
And there are numerous ways to exploit this capability
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Mark Masterson | http://jroller.com/MasterMark
From RightScale to Scalr to Gigaspaces, Hadoop, Terracotta
and countless others
![Page 145: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/145.jpg)
Mark Masterson | http://jroller.com/MasterMark
Combined with the other elements of AWS, like S3, SQS, EBS and
SimpleDB, you can design a system that competes favorably with GAE
![Page 146: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/146.jpg)
Mark Masterson | http://jroller.com/MasterMark
This is what “elastic” means
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Mark Masterson | http://jroller.com/MasterMark
To repeat: this is a LOT more work. ;)
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Mark Masterson | http://jroller.com/MasterMark
No constraints on language or design
(AMIs can be any Linux or Windows server platform, and your
app can be anything that runs on those platforms)
![Page 149: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/149.jpg)
Mark Masterson | http://jroller.com/MasterMark
A high level architectural model
(The core services of AWS provide a foundation, and do constrain your design – for example, you
need horizontal scalability)
![Page 150: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/150.jpg)
Mark Masterson | http://jroller.com/MasterMark
A specific model of multi-tenancy
(AMIs are securely isolated from one another, but the underlying
hardware is all shared)
![Page 151: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/151.jpg)
Mark Masterson | http://jroller.com/MasterMark
Takes care of very few low level concerns
(You roll your own)
![Page 152: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/152.jpg)
Mark Masterson | http://jroller.com/MasterMark
Before we wrap up “deploying to AWS”, however, let’s look at some alternatives to the command line
tools from Amazon
![Page 153: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/153.jpg)
Mark Masterson | http://jroller.com/MasterMark
In terms of managing running instances, and the overall
configuration of things, AWS provides its own Web UI
![Page 154: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/154.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://console.aws.amazon.com/ec2/home#c=EC2&s=Home
![Page 155: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/155.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://console.aws.amazon.com/ec2/home#c=EC2&s=Instances
![Page 156: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/156.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://console.aws.amazon.com/ec2/home#c=EC2&s=Images
![Page 157: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/157.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://console.aws.amazon.com/ec2/home#c=EC2&s=BundleTasks
![Page 158: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/158.jpg)
Mark Masterson | http://jroller.com/MasterMark
http://status.aws.amazon.com/
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Mark Masterson | http://jroller.com/MasterMark
An ecosystem of 3rd party providers has emerged around AWS
![Page 160: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/160.jpg)
Mark Masterson | http://jroller.com/MasterMark
Some of them are specialized in managing VMs
![Page 161: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/161.jpg)
Mark Masterson | http://jroller.com/MasterMark
http://elasticserver.com/
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Mark Masterson | http://jroller.com/MasterMark
http://elasticserver.com/portals
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Mark Masterson | http://jroller.com/MasterMark
http://elasticserver.com/site/lamp
![Page 164: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/164.jpg)
Mark Masterson | http://jroller.com/MasterMark
http://elasticserver.com/site/lamp
![Page 165: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/165.jpg)
Mark Masterson | http://jroller.com/MasterMark
http://elasticserver.com/build-status
![Page 166: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/166.jpg)
Mark Masterson | http://jroller.com/MasterMark
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Mark Masterson | http://jroller.com/MasterMark
https://elasticserver.com/ec2/
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Mark Masterson | http://jroller.com/MasterMark
![Page 169: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/169.jpg)
Mark Masterson | http://jroller.com/MasterMark
![Page 170: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/170.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://elasticserver.com/byo/create
![Page 171: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/171.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://elasticserver.com/my/packages
![Page 172: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/172.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://elasticserver.com/new-server
![Page 173: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/173.jpg)
Mark Masterson | http://jroller.com/MasterMark
There are other vendors offering similar services, eg. rPath
![Page 174: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/174.jpg)
Mark Masterson | http://jroller.com/MasterMark
And there is a spectrum between the simplicity of GAE and the
complexity of AWS…
![Page 175: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/175.jpg)
Mark Masterson | http://jroller.com/MasterMark
Let’s take a look at Elastra, for example
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Mark Masterson | http://jroller.com/MasterMark
https://cloud.elastra.com/elastra/
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Mark Masterson | http://jroller.com/MasterMark
https://cloud.elastra.com/elastra/
![Page 178: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/178.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://cloud.elastra.com/elastra/
![Page 179: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/179.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://cloud.elastra.com/elastra/
![Page 180: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/180.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://cloud.elastra.com/elastra/
![Page 181: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/181.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://cloud.elastra.com/elastra/
![Page 182: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/182.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://cloud.elastra.com/elastra/
![Page 183: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/183.jpg)
Mark Masterson | http://jroller.com/MasterMark
Finally, to wrap up our quick overview of IaaS, let’s look at
Rightscale…
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Mark Masterson | http://jroller.com/MasterMark
https://my.rightscale.com/dashboard
![Page 185: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/185.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://my.rightscale.com/dashboard
![Page 186: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/186.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://my.rightscale.com/dashboard
![Page 187: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/187.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://my.rightscale.com/dashboard
![Page 188: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/188.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://my.rightscale.com/dashboard
![Page 189: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/189.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://my.rightscale.com/dashboard
![Page 190: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/190.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://my.rightscale.com/dashboard
![Page 191: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/191.jpg)
Mark Masterson | http://jroller.com/MasterMark
https://my.rightscale.com/dashboard
![Page 192: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/192.jpg)
Mark Masterson | http://jroller.com/MasterMark
Goals for the workshop
![Page 193: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/193.jpg)
Mark Masterson | http://jroller.com/MasterMark
But first, a short break…(Jeopardy theme song plays)
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Mark Masterson | http://jroller.com/MasterMark
Goals for the workshop
![Page 195: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/195.jpg)
Mark Masterson | http://jroller.com/MasterMark
What are some of the questions you need to answer, to decide
between PaaS and Iaas?
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Mark Masterson | http://jroller.com/MasterMark
How quickly do you need to go to market?
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Mark Masterson | http://jroller.com/MasterMark
How fast do you need to iterate versions of the app?
![Page 198: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/198.jpg)
Mark Masterson | http://jroller.com/MasterMark
What are your pre-existing platform needs, if any?
![Page 199: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/199.jpg)
Mark Masterson | http://jroller.com/MasterMark
What are your security, compliance, regulatory
requirements?
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Mark Masterson | http://jroller.com/MasterMark
What is your capacity for system architecture and design work?
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Mark Masterson | http://jroller.com/MasterMark
SaaS
PaaS
IaaSFree
dom
FRO
M C
onsid
erati
ons
Freedom TO
Differentiate
SPI Model
http://twitter.com/gblnetwkr
![Page 202: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/202.jpg)
Mark Masterson | http://jroller.com/MasterMark
SaaS
PaaS
IaaS
POW
ER o
f spe
ed a
nd a
gilit
yPO
WER to control
SPI Model
http://twitter.com/gblnetwkr
![Page 203: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/203.jpg)
Mark Masterson | http://jroller.com/MasterMark
Goals for the workshop
![Page 204: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/204.jpg)
Mark Masterson | http://jroller.com/MasterMark
What do things really cost?
![Page 205: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/205.jpg)
Mark Masterson | http://jroller.com/MasterMark
Simple LAMP app. 1 box as a load balancer / proxy, 4 web server boxes, and one larger box for a
database server
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Mark Masterson | http://jroller.com/MasterMark
http://laughingsquid.net/hosting/
$84 / month
(6 x Giant)
![Page 207: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/207.jpg)
Mark Masterson | http://jroller.com/MasterMark
http://order.1and1.com:80/xml/order/ServerRoot
$900 / month(1 x Biz1 + 4 x Biz1 +
1 x Enterprise II)
![Page 208: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/208.jpg)
Mark Masterson | http://jroller.com/MasterMark
So, let’s see what the equivalent setup costs on AWS…
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Mark Masterson | http://jroller.com/MasterMark
Now, AWS bills in units of things like server hours, IOs per month,
GB of storage and bandwidth actually used, etc.
![Page 210: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/210.jpg)
Mark Masterson | http://jroller.com/MasterMark
http://docs.amazonwebservices.com/AWSEC2/latest/DeveloperGuide/
![Page 211: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/211.jpg)
Mark Masterson | http://jroller.com/MasterMark
24 hours × 30 days =
---------------------- 720 hours in a month
----------------------
720 hours × 5 small AWS Instances =
---------------------- 3600 hours
----------------------
+ 720 hours of a large AWS instance+ 5000 GB network bandwidth
+ 3200 GB disk space (added to the default space on the instances)+ 50 mil. IORs
+ 30 daily backups----------------------
roughly equivalent to 1+1 …
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Mark Masterson | http://jroller.com/MasterMark
http://calculator.s3.amazonaws.com/calc5.html
$2233 / month
![Page 213: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/213.jpg)
Mark Masterson | http://jroller.com/MasterMark
http://calculator.s3.amazonaws.com/calc5.html
![Page 214: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/214.jpg)
Mark Masterson | http://jroller.com/MasterMark
Despite best efforts, this is still quite imprecise, and apples vs.
oranges, but…
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Mark Masterson | http://jroller.com/MasterMark
Even more importantly…
![Page 216: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/216.jpg)
Mark Masterson | http://jroller.com/MasterMark
This is an incredibly stupid way to set up and use AWS
![Page 217: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/217.jpg)
Mark Masterson | http://jroller.com/MasterMark
http://calculator.s3.amazonaws.com/calc5.html
$528/ month
![Page 218: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/218.jpg)
Mark Masterson | http://jroller.com/MasterMark
Still not “cheap”, though…
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Mark Masterson | http://jroller.com/MasterMark
That’s because the key to “elastic computing” isn’t being able to turn
on servers at will…
![Page 220: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/220.jpg)
Mark Masterson | http://jroller.com/MasterMark
It’s about being able to turn them off.
![Page 221: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/221.jpg)
Mark Masterson | http://jroller.com/MasterMark
Let’s rewind to the an earlier part of this discussion…
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Mark Masterson | http://jroller.com/MasterMark
What’s a web app?
![Page 223: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/223.jpg)
Mark Masterson | http://jroller.com/MasterMark
Whatever it is, we said “it’s not static content”…
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Mark Masterson | http://jroller.com/MasterMark
And I said that makes a big difference
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Mark Masterson | http://jroller.com/MasterMark
Why is that? Well, the unwritten social contract of the ‘Net says:
“you can’t turn static content off”
![Page 226: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/226.jpg)
Mark Masterson | http://jroller.com/MasterMark
Apps do something
![Page 227: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/227.jpg)
Mark Masterson | http://jroller.com/MasterMark
But they generally don’t do it 24x7
![Page 228: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/228.jpg)
Mark Masterson | http://jroller.com/MasterMark
Slicing and dicing your design to strictly demarcate static content from active has always been a
Good Idea ™
![Page 229: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/229.jpg)
Mark Masterson | http://jroller.com/MasterMark
In a cloud computing context, it’s not just a good idea – it’s
imperative
![Page 230: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/230.jpg)
Mark Masterson | http://jroller.com/MasterMark
What are your usage patterns? When are your peak loads, on
average?
![Page 231: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/231.jpg)
Mark Masterson | http://jroller.com/MasterMark
What can you turn off?
![Page 232: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/232.jpg)
Mark Masterson | http://jroller.com/MasterMark
And you have to be clever about it…
![Page 233: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/233.jpg)
Mark Masterson | http://jroller.com/MasterMark
Your production usage may not even be the place you can save the
most money…
![Page 234: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/234.jpg)
Mark Masterson | http://jroller.com/MasterMark
Consider: you want to develop the next version of your app
![Page 235: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/235.jpg)
Mark Masterson | http://jroller.com/MasterMark
You need resources for your developers to do that, and you need a place for them to test
![Page 236: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/236.jpg)
Mark Masterson | http://jroller.com/MasterMark
So, maybe you wind up renting 3 more servers from 1+1
– $300 / month
![Page 237: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/237.jpg)
Mark Masterson | http://jroller.com/MasterMark
But, when you examine usage patterns, you find that your
developers are only using the boxes for 3 hours each day
![Page 238: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/238.jpg)
Mark Masterson | http://jroller.com/MasterMark
http://calculator.s3.amazonaws.com/calc5.html
$17/ month
![Page 239: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/239.jpg)
Mark Masterson | http://jroller.com/MasterMark
Perhaps even more importantly, you’ve made no commitment here
– once your dev / test phase is over, so are the costs
![Page 240: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/240.jpg)
Mark Masterson | http://jroller.com/MasterMark
Calculating costs is complex, and entirely context dependent
![Page 241: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/241.jpg)
Mark Masterson | http://jroller.com/MasterMark
There are significant potential savings, but only if you’re clever
![Page 242: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/242.jpg)
Mark Masterson | http://jroller.com/MasterMark
Goals for the workshop
![Page 243: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/243.jpg)
Mark Masterson | http://jroller.com/MasterMark
Since we worked out, sometime in the early ‘90s, what the
architecture of a “client / server” system design looked like…
![Page 244: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/244.jpg)
Mark Masterson | http://jroller.com/MasterMark
There's been a general consensus about a sort of a canonical
architecture for so-called “N-tier systems”
![Page 245: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/245.jpg)
Mark Masterson | http://jroller.com/MasterMark
Presentation
Service Facáde
Application Logic
Data Persistence
![Page 246: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/246.jpg)
Mark Masterson | http://jroller.com/MasterMark
Web Server
App Server
Database Server
![Page 247: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/247.jpg)
Mark Masterson | http://jroller.com/MasterMark
So, we’ve talked about the need for horizontal scalability in the
Cloud
![Page 248: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/248.jpg)
Mark Masterson | http://jroller.com/MasterMark
What does that imply?
![Page 249: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/249.jpg)
Mark Masterson | http://jroller.com/MasterMark
Well, as already suggested, among other things, parallelism
![Page 250: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/250.jpg)
Mark Masterson | http://jroller.com/MasterMark
Parallelism has significant consequences
![Page 251: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/251.jpg)
Mark Masterson | http://jroller.com/MasterMark
It leads one to try to avoid stateful interactions
![Page 252: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/252.jpg)
Mark Masterson | http://jroller.com/MasterMark
To prefer asynchronous communications (messages)…
![Page 253: Fowa Miami 09 Cloud Computing Workshop](https://reader037.fdocuments.us/reader037/viewer/2022102610/53fc25318d7f72aa518b4592/html5/thumbnails/253.jpg)
Mark Masterson | http://jroller.com/MasterMark
One finds oneself on the front lines of the REST War ™ – the battle of
the RESTafarians vs. the established IT Universe
http://www.dehora.net/journal/2008/07/25/patterns-of-web-architecture/http://www.dehora.net/journal/2008/08/15/rest-as-an-engineering-discipline/
http://www.infoq.com/articles/webber-rest-workflow/http://roy.gbiv.com/untangled/2008/rest-apis-must-be-hypertext-driven/http://www.redmonk.com/jgovernor/2009/02/12/the-rest-of-the-cloud/
http://delicious.com/mastermark/rest/
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Mark Masterson | http://jroller.com/MasterMark
And it forces one to think strange things about optimal patterns of
storing and accessing data
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Mark Masterson | http://jroller.com/MasterMark
Like sharding one’s data to meet resource demands
http://highscalability.com/unorthodox-approach-database-design-coming-shard/
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Mark Masterson | http://jroller.com/MasterMark
Questions like “is two-phase commit a feature? Or a bug?”
begin to seem important
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Mark Masterson | http://jroller.com/MasterMark
New terms, like CAP, Paxos and BASE creep into conversations about “eventual consistency”
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.20.1495http://en.wikipedia.org/wiki/Paxos_algorithmhttp://queue.acm.org/detail.cfm?id=1394128
http://www.allthingsdistributed.com/2008/12/eventually_consistent.html
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Mark Masterson | http://jroller.com/MasterMark
This was happening anyway, driven by the clash of Web architecture with the established IT universe
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Mark Masterson | http://jroller.com/MasterMark
Cloud computing’s possibilities are accelerating the process
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Mark Masterson | http://jroller.com/MasterMark
There is an emerging consensus about what the consequences of all this are for app architectures
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Mark Masterson | http://jroller.com/MasterMark
“The canonical cloud architecture that has evolved revolves around
dynamically scalable CPUs consuming asynchronous,
persistently queued events.”
http://highscalability.com/canonical-cloud-architecture
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Mark Masterson | http://jroller.com/MasterMark
http://developer.amazonwebservices.com/connect/entry.jspa?externalID=1632&categoryID=102
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Mark Masterson | http://jroller.com/MasterMark
•Use scalable ingredients•Eg. Hadoop on EC2
•Keep ingredients loosely coupled•All communication via persistent messaging
•Assume constant failure•Design things to persist state, restart from last known good, and continue their own tasks even if all around them fail•Consider things like re-tries with exponential back-off•Build IN redundancy
•Learn about things like the POSA Blackboard pattern, tuplespaces, and Map / Reduce
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Mark Masterson | http://jroller.com/MasterMark
http://www.amazon.com/How-Write-Parallel-Programs-Course/dp/026203171X/
Read this book!
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Mark Masterson | http://jroller.com/MasterMark
And if your needs / budget require or can accommodate it, consider
RAIC
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Mark Masterson | http://jroller.com/MasterMark
Redundant Array of Independent Cloud providers
http://www.jroller.com/MasterMark/entry/raic_pronounce_it_rake_please
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Mark Masterson | http://jroller.com/MasterMark
http://www.jroller.com/MasterMark/entry/raic_pronounce_it_rake_please
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Mark Masterson | http://jroller.com/MasterMark
Why bother?
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Mark Masterson | http://jroller.com/MasterMark
Web Server
App Server
Database Server
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Mark Masterson | http://jroller.com/MasterMark
Mainframe
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Mark Masterson | http://jroller.com/MasterMark
http://www.flickr.com/photos/dvdmerwe/231593469/
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Mark Masterson | http://jroller.com/MasterMark
http://www.flickr.com/photos/sigkyrre/1091616886/
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Mark Masterson | http://jroller.com/MasterMark
http://twitter.com/gblnetwkrhttp://en.wikipedia.org/wiki/Consumerization
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Mark Masterson | http://jroller.com/MasterMark
http://twitter.com/gblnetwkr
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Mark Masterson | http://jroller.com/MasterMark
Join the conversation:http://groups.google.com/group/cloud-computing/
http://groups.google.com/group/cloudforumhttp://tech.groups.yahoo.com/group/cloudcomputing-tech/
… and please come talk to us, as well …http://twitter.com/mastermark
http://www.jroller.com/MasterMark/
Thanks!