What is inside a router?

QuestionsCategory: QuestionsWhat is inside a router?
P asked 6 months ago
  1. Explain the different parts and what kind of delay would occur where?
  2. Inter-AS routing vs Intra-AS routing

    1. What is BGP?
    2. What is hot potato routing?
  3. What is longest prefix match? give an example.
  4. Does the link layer provide reliability? If yes, why do we need it and how is it different from reliability in TCP.