Write a note on tcp/ip protocol diagram

Editorial Staff18 MayCategory: It is the protocol used by every computer on internet.

Write a note on tcp/ip protocol diagram

Data link layer 1. This layer includes applications or processes that use transport layer protocols to deliver the data to destination computers.

At each layer there are certain protocol options to carry out the task designated to that particular layer. So, application layer also has various protocols that applications use to communicate with the second layer, the transport layer.

Some of the popular application layer protocols are: Transport Layer This layer provides backbone to data flow between two hosts. This layer receives data from the application layer above it.

write a note on tcp/ip protocol diagram

There are many protocols that work at this layer but the two most commonly used protocols at transport layer are TCP and UDP. TCP is used where a reliable connection is required while UDP is used in case of unreliable connections.

TCP divides the data coming from the application layer into proper sized chunks and then passes these chunks onto the network. So, the protocol used for this type of connection must provide the mechanism to achieve this desired characteristic.

For example, while downloading a file, it is not desired to loose any information bytes as it may lead to corruption of downloaded content. UDP provides a comparatively simpler but unreliable service by sending packets from one host to another. UDP does not take any extra measures to ensure that the data sent is received by the target host or not.

For example while streaming a video, loss of few bytes of information due to some reason is acceptable as this does not harm the user experience much. Network Layer This layer is also known as Internet layer. The main purpose of this layer is to organize or handle the movement of data on network.

By movement of data, we generally mean routing of data over the network. The main protocol used at this layer is IP. Data Link Layer This layer is also known as network interface layer. This layer normally consists of device drivers in the OS and the network interface card attached to the system.

write a note on tcp/ip protocol diagram

Both the device drivers and the network interface card take care of the communication details with the media being used to transfer the data over the network. In most of the cases, this media is in the form of cables. Client requests for a service while the server processes the request for client.

Now, since we have discussed the underlying layers which help that data flow from host to target over a network. Lets take a very simple example to make the concept more clear.

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Feb 27,  · Protocol - This 8-bit field indicates which protocol should be used to receive the data. Some of the more popular protocols such as TCP and UDP are identified by the numbers 6 and 17 respectively.

Some of the more popular protocols such as TCP and UDP are identified by the numbers 6 and 17 respectively.

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