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Everything about Open Shortest Path First

Routing protocol for IP networks

Open Shortest Path First (OSPF) is a routing protocol for Internet Protocol (IP) networks. It uses a link state routing (LSR) algorithm and falls into the group of interior gateway protocols (IGPs), operating within a single autonomous system (AS). Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Open Shortest Path FirstA 5-minute orientation
  2. Skim a recent paper: Open Shortest Path First extension for the support of multiarea networks with arbitrary topologiesInfluential work since 2022
  3. Pick up a classic book: OSPF and IS-ISThe most-reprinted book on the subject
  4. Read the landmark paper: On open shortest path first related network optimisation problemsCited 75 times
  5. Go sideways: Link-state advertisementA closely related topic
  6. Go sideways: Multicast routingA closely related topic

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🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

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