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birdvisu/design_notes/map_differences.md

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Reference map vs OSPF map:

Both same: super Router missing in reference map: was not added, pls add Router missing in OSPF map: probably down? - The rest should be connected, otherwise this is weird (our bug?) Network missing from ref: this is strange, maybe reconfiguration? - If behind a previously unknown router, it's less strange Network missing from OSPF: All links down? Seems wrong. Connection missing from ref: should not happen unless reconfiguring - We can draw that without config as straight line. This feels much safer than autopositioning networks or routers. Conn missing from OSPF: link down, quite likely.

Analysis functions:

  • SPOFs
  • Routing trees
    • Note: Link costs are asym? Cost is from router to network, and network assumes all routers are there?