Which 'aaS' is Right for You?
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Transcript of Which 'aaS' is Right for You?
Which “aaS” is Right for You?
Cloud Computing
• Cloud computing is a very broad term that encompasses anything from Facebook to Twitter to Google Apps to Amazon’s S3
• When considering cloud computing, it’s important to decide what kind of cloud you’re talking about
• Each “aaS” (careful how you pronounce that) is very different so you need to understand which is right for you
SaaS• SaaS (Software-as-a-Service)
provides network-based access and management of software in a centralized location that can be accessed remotely via the web
• Allows for frequent integration into a larger network of software
• One-to-many model
• Example: Google Apps
SaaS
• Main benefits: – Flexibility– Scalability
• Criticisms: – Lack of personal control
(systems are centrally controlled)
– Need to alter business processes to fit the system
– Security issues
PaaS• PaaS (Platform-as-a-Service)
allows companies to rent hardware and software to build applications, rather than owning, running and developing on an internal IT infrastructure
• Servers, operating systems and maintenance rolled all into one bill– Up to you to run and serve
applications and data off the servers
PaaS
• Features:– Application design &
development– Testing– Deployment– Hosting– Collaboration
• Example: force.com
IaaS• IaaS (Infrastructure-as-a-Service) is
the base level of the cloud computing stack
• Serves as a foundation for PaaS and SaaS in terms of execution
• Cloud infrastructure (i.e. servers, routers, hardware, storage, etc.) is provided by an IaaS vendor
• Never have to pay directly for any hardware
• Example: Amazon’s EC2
SaaS vs. PaaS vs. IaaS• If you’re looking for:
– Online networks to enhance collaboration, you need SaaS
– System to support the entire lifecycle of your web applications, you need PaaS
– Virtual place to host and manage your data, you need IaaS
• Before implementing cloud services, identify your needs then figure out which “aaS” provides that
After Deploying Your “aaS”…
• After deploying your “aaS” service, don’t forget to have a backup plan in case of any point of failure, accidental deletion, employee error, hack, or glitch in your system
• Backupify provides both a social media and Google Apps backup solution