OpenStack Networking Essentials

Summary

In this chapter, we covered the two most popular open source virtual switching platforms for OpenStack, known as Open vSwitch and LinuxBridge. If you're an ordinary user without access to the underlying infrastructure, much of what has been covered and represented in this chapter will not be directly observable by you. For administrators and operators, though, understanding how the virtual switching infrastructure interacts with the physical infrastructure is crucial to understanding, operating, and supporting OpenStack clouds. In the next chapter, we will take a look at how Neutron implements virtual routers that provide routing between Neutron networks. Concepts that will be covered include network namespaces, Source Network Address ...