NETWORK LAYER

Communications Systems Glossary

Communications Systems — Open Systems Interconnection reference model — Network layer

 

 

 

 

 

 

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Information on Network layer

The network layer is layer 3 of the ISO OSI 7-layer model. Responsible for routing data through a communication network. The network layer is responsible for end-to-end message routing. Layer 3 protocols specify how addresses are assigned and how packets are forwarded from one end of the network to another.


Other topics in our resources on Communications Systems related to Network layer include: 
 
  • Physical layer (Layer 1)
  • data-link layer (Layer 2)
  • transport layer (Layer 4)
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  • session layer (Layer 5)
  • presentation layer (Layer 6)
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  • application layer (Layer 7)
  • Datagram

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