IP Routing Protocols 

• IETF RFC standards

• Interior Gateway Protocols (IGP)

  • OSPF - Open Shortest Path First !!!
  • RIP - Route Information Protocol
  • ISIS - Intermediate System to Intermediate System

• Across routing domains

  • BGP4 - Border Gateway Protocol !!!

• Components of the Routing Protocols

  • Communication protocol (stack exemplified earlier)
  • Information data field carries info on the routing:  syntax and semantics of the data

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