GATE (Graduate Aptitude Test in Engineering) Computer Science & IT (CS) Computer Networks-Application Layer Protocols Study Material (Page 1 of 4)

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TCP IP Model and Its Protocols: Network Access Layer

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TCP IP Model and Its Protocols

  • As far as the name of this protocol is concerned, the TCP/IP means Transmission Control Protocol and Internet Protocol. It is the network model used in the current Internet architecture. Much like what we have seen in the case of the OSI model, the TCP/IP Model also separates networking functions into discrete layers. Here each layer performs a specific function and is transparent to the layer above it and the layer below it.
  • Regarding the terminology, there are few more names that are often assigned to this model. It is also known as the Internet protocol suite or the Department of Defense (DoD) model since the development of this networking method was fund…

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TCP IP Model and Its Protocols: Internet Layer

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Internet Layer

  • This layer deals with packets and connects independent networks to transport the packets across network boundaries. So we can say that this layer draws parallels with the OSI՚s Network layer functions. It defines the protocols which are responsible for logical transmission of data over the entire network. In general, this layer provides logical addressing, path determination and forwarding. The Internet Layer also provides connectionless c…

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