🔧 An OSPF Hello has to match before it can mean anything

Originally published at https://blog.pathvector.dev/protocol-in-code-ospf-01/ — part of the free Protocol Lab series.


This post is part of Protocol in Code, a free series that reads network protocols as logic — inputs, state, branches — rather than as configuration examples. The full source lives at github.com/pathvector-studio/protocol-in-code,...