TCP IP Model | Computer Science

TCP IP Model | Computer Science

• 2.
   The TCP/IPModel is the set of communications protocols used for the internet and other similar networks  It is named from two of the most important protocols in it:  The Transmission Control Protocol (TCP) and  The Internet Protocol (IP), which were the first two networking protocols defined in this standard  The most well known network that adopted TCP/IP is The Internet- the biggest WAN in the world
• 4.
  Application Layer This isthe topmost layer of the TCP/IP suite. This is responsible for coding of the packet data Transport Layer This layer monitors end to end path selections of the packets. It also provides service to the application layer Internet Layer This layer is responsible for sending packets through different networks Network Layer It is the closest layer to the network hardware. It provides service to Internet Layer
• 5.
  Fig2: detailed architectureof TCP/IP Model
• 6.
   Connections areestablished using a three- way handshake  Data is divided into packets by the operating system  Packets are numbered, and received packets are acknowledged  Connection are explicitly closed or may abnormally terminate
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  Fig3: 3-way handshakeFig4: acknowledgement
• 9.
   The OSImodel has 7 layers while the TCP/IP model has 5 layers  Both have network, transport, and application layers, but the other layers are different  OSI model supports both connectionless and connection- oriented communication  TCP/IP supports only connectionless communication
• 11.
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