Network Layer Protocols

Network Layer Protocols are mainly used in the case of Internet.

  • IP – main protocol, it works best in case of host-to-host delivery
  • ARP – used when passing packets from physical layer to lower data-link layer
  • RARP – used at diskless machines for IP address recovery
  • ICMP – used by hosts and routers to handle unusual situations such as IP packet-header errors, unreachable hosts and networks, etc.
  • IGMP – used by host and routers to achieve efficient network-layer multicasting
  • Routing Protocols Routing Protocols – responsible for routing table maintenance

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