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Overview
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This course covers the design and implementation of Open vSwitch, a virtual switch for major hypervisor platforms. The learning outcomes include understanding the advanced flow classification and caching techniques used by Open vSwitch to optimize operations and conserve hypervisor resources. The course teaches about Open vSwitch architecture, network virtualization use cases, and implications for forwarding performance. The teaching method includes detailed explanations, evaluations of performance, and practical examples. The intended audience for this course includes network engineers, virtualization professionals, and individuals interested in software switching architectures.
Syllabus
Intro
The Design and implementation of Open vSwitch
Open vSwitch Architecture
Use Case: Network Virtualization
Implications for Forwarding Performance
Non-solutions
Speedup with Microflow Cache
Microflow Caching in Practice
Naive Approach to Populating Cache
Lazy Approach to Populating Cache
"Megaflow" Cache
Making Megaflows Better
Megaflow vs. Microflow Cache Performance
Dual Caches
Parting Thoughts
Taught by
USENIX