Internet Protocol (IP)

Internet Protocol (IP)

Internet Protocol is a connectionless and unreliable protocol. It ensures no guarantee of successful transmission of data.

In order to make it reliable, it must be paired with reliable protocols such as TCP at the transport layer.

Internet protocol transmits the data in form of a datagram as shown in the following diagram:

image 59

Points to remember:

  1. The length of the datagram is variable.
  2. The Datagram is divided into two parts: header and data.
  3. The length of the header is 20 to 60 bytes.
  4. The header contains information for routing and delivery of the packet.

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