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Networking Overview for Docker Platform

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A basic discussion for different networking drivers for Docker platform

Published in: Technology

Networking Overview for Docker Platform

  1. 1. Networking Overview for Docker Platform Aditya Patawari Consultant and Trainer for Docker, Ansible and DevOps Tools aditya@adityapatawari.com adimania on freenode irc http://adityapatawari.com July 8, 2016 Aditya Patawari Networking Overview for Docker Platform
  2. 2. Topics What is the problem? Default Networks in Docker Docker Bridge Network Docker Host Network Docker None Network User Defined Networks Docker Bridge Network Docker Overlay Network Aditya Patawari Networking Overview for Docker Platform
  3. 3. What is the problem? Applications are multi-tiered Applications are dependent on other applications Applications are dependent on third party APIs Not all components reside inside the same containers Aditya Patawari Networking Overview for Docker Platform
  4. 4. Default Networks in Docker None Host Bridge Aditya Patawari Networking Overview for Docker Platform
  5. 5. Docker Bridge Network Created when the Docker daemon is started for first time Containers are started in this network by default Enables container to container communication within same host Aditya Patawari Networking Overview for Docker Platform
  6. 6. Docker Host Network Adds the container on the host’s network stack Identical network as the host Aditya Patawari Networking Overview for Docker Platform
  7. 7. Docker None Network No network connectivity Great for security sensitive processing Aditya Patawari Networking Overview for Docker Platform
  8. 8. User Defined Networks Bridge Overlay Custom Network Drivers Aditya Patawari Networking Overview for Docker Platform
  9. 9. Docker Bridge Network Create more bridge networks Great for creating isolation within same host Aditya Patawari Networking Overview for Docker Platform
  10. 10. Docker Overlay Network Creates multi-host network Requires a service discovery KV store like Etcd or Consul Aditya Patawari Networking Overview for Docker Platform
  11. 11. Docker 1.12 ingress - uses overlay Swarm manager will use ingress to route external traffic docker gwbridge - uses bridge docker gwbridge is created on each worker node Aditya Patawari Networking Overview for Docker Platform
  12. 12. Questions? Name: Aditya Patawari Twitter: https://twitter.com/adityapatawari Email: aditya@adityapatawari.com Aditya Patawari Networking Overview for Docker Platform

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