Containers and the Cloud: Do You Need Another Virtual Environment?
summary
Claims containers deliver about 3x density versus hypervisors with a measured example of 121 containers serving pages compared with KVM ~37 and Xen ~29, and OpenVZ ~60; containers boot and scale far faster (net-boot tests show ~7x, application containers can be ~100x) and enable kernel 3.9 upstream isolation so infrastructure-as-a-service works; key techs are cgroups/namespaces, LXC/OpenVZ/Docker, libvirt fits infra but misses application features, and containers allow sub-second vertical scaling for overcommit.
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chapters (17)
- 0:00Intro
- 0:43Virtualisation History
- 2:25Exploring other Virtualisation choices
- 4:24Also the Containers Technology Split
- 8:52Abstraction differences
- 11:32Why are Containers Denser?
- 13:12Chart of Densities
- 14:53Other Container Advantages
- 15:33Examining Containers and Hypervisors
- 20:52Orchestration Benchmarks
- 21:41All of this is Tailor Made for the Cloud
- 25:47Application Containers
- 31:32A brief history of Containers in Linux
- 34:14Next up: The Control Plane
- 38:48The End Result
- 39:58Conclusions
- 41:16Questions?
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