Chapter 8. Working with Flannel
In this chapter, we will cover the following recipes:
- Installing and configuring Flannel
- Integrating Flannel with Docker
- Using the VXLAN backend
- Using the host gateway backend
- Specifying Flannel options
Introduction
Flannel is a third-party network solution for Docker that was developed by the team at CoreOS. Flannel was one of the earlier projects that aimed to give each container a uniquely routable IP address. This removes the requirement for inter-host container-to-container communication to use published ports. Much like some of the other solutions we've reviewed, Flannel uses a key-value store to keep track of allocations and various other configuration settings. However, unlike Weave, Flannel offers no direct integration ...
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