NetworkingTCP/IP

The Internet Layer:

The Internet Layer:
The Internet layer is the third layer in the TCP/IP protocol suite.
The Internet layer responds to service requests from the
transport layer (typically TCP or UDP) and issues service
requests to the network access layer.
The various Internet layer modules provide:
• Translation between logical addresses and physical
addresses
• Routing from the source to the destination computer
• Managing traffic problems, such as switching, routing, and
controlling the congestion of data packets
• Maintaining the quality of service requested by the transport
layer
The transport layer is responsible for application-to-application
data delivery. The Internet layer is responsible for source host to
destination host packet delivery, whereas the next layer (network
access) is responsible for node to node (hop to hop) frame
delivery.

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