Various Layers of the TCP/IP Reference model – Read about its functions, structure and uses.
Various Layers of TCP/IP
- Physical layer: This layer incudes the actual physical aspect of the network i.e. physical data cables and telephone wires.
- Link layer: Almost all networks use Ethernet. Each machine in a network has its own IP address and its ether address. It tells the network which computer to deliver the datagram to and for this the ether header is used.
- Network Layer: Responsible for transporting the datagram to the destination server. This layer does not do any error checking.
- Transport Layer: Responsible for breaking up the data into smaller datagrams and putting them back to usable data at the destination.
- Application Layer: Includes the actual applications like FTP client, browser and others. This is the visible layer
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