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Authors:
James F. Kurose, Keith W. Ross
Chapter:
The Network Layer
Exercise:
Review
Question:27 | ISBN:9780132856201 | Edition: 6

Question

Why are different inter-AS and intra-AS protocols used in the Internet?

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Answer

  • Border Gateway Protocol(BGP) is used for inter-AS( Autonomous System (AS) ) protocols.But, Router Information Protocol(RIP) and Open Shortest Path First(OSPF) protocol are used for intra-AS protocols.
  • Inter-AS protocol provides for the controlled distribution of routing information, but Intra-As protocol are the policy issues play a much less important role in choosing routes
  • Inter-AS protocol provides is dominates the quality and the performance, but Intra-As protocol focuses on the performance.
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