Container Network Interface (CNI) Specification

1. Network configuration format

   JSON configuration and plugin lists.

2. Execution protocol

   Environment variables and stdin/stdout contract.

3. Execution of network configurations

   Lifecycle and ordering of ADD, DEL, CHECK, GC.

4. Adding an attachment

   Plugin behavior on ADD.

5. Deleting an attachment

   Plugin behavior on DEL.

6. Plugin delegation

   IPAM and delegated plugin invocation.

7. Result types

   Add success, error and version results.

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