Chapter 3. Building Your First Docker Network

This chapter describes practical examples of Docker networking, spanning multiple containers over multiple hosts. We will cover the following topics:

  • Introduction to Pipework
  • Multiple containers over multiple hosts
  • Towards scaling networks – introducing Open vSwitch
  • Networking with overlay networks – Flannel
  • Comparison of Docker networking options

Introduction to Pipework

Pipework lets you connect together containers in arbitrarily complex scenarios.

In practical terms, it creates a legacy Linux bridge, adds a new interface to the container, and then attaches the interface to that bridge; containers get a network segment on which to communicate with each other.

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