What is the function of Network layer in OSI layer?

Network Layer :

  • Network Layer is responsible for the source to destination delivery of a packet possibly across multiple network, from Host to Host.
  • It ensures the correct delivery of packet from origin to final destination
  • Logical Addressing : Physical Addressing handles the addressing problem locally. If a packet passes the Network boundary, logical addressing is used to distinguish the source and destination.
  • Routing : Routers are used to route the packets from source to their destination.
  • Transmission unit is Packets

Leave a Reply

Your email address will not be published. Required fields are marked *