Post on 14-Feb-2017
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How Containers Will Usher in a New Era of Cloud ComputingSheng Liang, CEO Rancher Labs
November 3, 2016
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CloudStack customers
22
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But we did not achieve our goal
3
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Public IaaS becoming a
winner-takes-all market
VMware owns enterprise private cloud, scale-out private cloud
remains a niche
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Cloud IaaS is not a commodity.
Lydia Leong, Gartner
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Growth of Docker
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Early 2015100M downloads
Nov 20151B downloads
June 20164B downloads
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Develop Build Package Test Deploy/Upgrade Operate
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RancherOS size breakdown
10
4.2MB
11.7MB
13.7MB
4MB
8.4MB
42MB
File system and tools
User Docker (upstream Docker)
System Docker
Kernel drivers
Kernel core
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A container
technology stack is forming
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VM
Container
Container
VM
Container
Container
Container Container
Container in VM VM in Container
KVM/Hyper-V/VMware KVM
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Kubernetes on OpenStack OpenStack on Kubernetes(Stacknetes)
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Containers are not VMs, but there are a lot of parallels
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Especially in how they deal with storage and networking
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Neutron
Cinder
CNI libnetwork
FlexvolumeDockervolumeplugin
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Double overlay problem
VM1 192.168.100.2 VM2 192.168.100.5
OVS OVS
Container 110.42.34.203
Host1 23.65.120.31 Host2 23.65.130.42
Container210.42.46.21
docker0 bridgedocker0 bridge
Neutron
CNI
Neutron
CNI
VXLAN
VXLAN
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OpenStack Kuryr
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A simpler solution to double overlay problem
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Flat container networking!
VM1 192.168.100.2 VM2 192.168.100.5
OVS OVS
Container 110.42.34.203
Host1 23.65.120.31 Host2 23.65.130.42
Container210.42.46.21
docker0 bridgedocker0 bridge
Neutron
CNI
Neutron
CNI
VXLAN
Simple Layer-3 Routing
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Source: Intel
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docker run --device-read-bps /dev/sda:100mb myapp
docker run --device-write-iops /dev/sda:1000 myapp
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A lot of VM and IaaS features are now being absorbed into container
technology stack
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Container Management
Platform
Orchestration
Scheduling
Monitoring
Access Control
Network
Storage
Distributed DB
Registry
Engine
Security
Container OS
Compute Resources
Compose, Kubernetes, Marathon, Swarm, Kubernetes, Mesos, …cAdvisor, Sysdig, Datadog, …LDAP, AD, GitHub, SAML, …DockerHub, Quay.io, Artifactory…
Docker, Rkt, Triton, VIC, …Notary, Vault, …VXLAN, IPSEC, HAProxy, …Ceph, Gluster, Swift, …Etcd, Consul, MongoDB, …Red Hat, Ubuntu, CoreOS, RancherOS, …AWS, VMware, OpenStack, …
Container Technology Stack
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Simpler Smaller
Faster More Secure
Easier to Operate
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Brower: interchangeable desktop
26
Browser
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Rancher: interchangeable IaaS
27
Rancher
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With containers, IaaS can become a commodity service
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Thank yourancher.com
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