TCP/IP vs the OSI Model

Asked By anonymous 7060 points N/A Posted on - 10/19/2011

Internet Communication Model (TCP/IP) proposes a 4 layer architecture. How do Internet layers map with the OSI model's layers?

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Answered By lee hung 75 points N/A #81110

TCP/IP vs the OSI Model

Hi Sarah,

In the OSI model, the physical layer and the data-link layer (which are separate in TCP/IP) are combined to make one layer called the network layer. The network layer is the one that provides routing capabilities between a source and a destination in a networked environment.

How the packets are transmitted, and how the destination of the packets is determined is done in the network layer of the OSI model. This is where the switches and hubs, where you find that hubs broadcast information to all destinations that are within its reach but the switch is specific, it sends packets to a predetermined destination.

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Regards,

Lee Hung.

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• Posted on - 10/23/2011
• Question Category: Web Languages/Standards