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The transport layer provides additional function to compensate for the limitations and impairments of the network layer, in order to meet requirements (e.g. QoS) of the upper layer. For example in TCP/IP, IP provides only best effort service. To provide the reliable service required by some applications - that is, to compensate for the shortcomings of best effort service - TCP establishes connections and implements flow control and congestion control on an end-to-end basis. Answer Actually, it is, just not through normal tools. Special programming is required to access the upper layers of TCP.

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Q: Why is the transport layer not present inside the network?
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Related questions

How the data will transfer in a network if the transport layer not present?

I don't believe it's possible to transmit data without some sort of transport layer.


Which layer connects network to session layer?

It is called Transport layer.


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No, usually the Transport layer does acknowledgements.


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Physical, Data link and Network layers make the Network Support layers.


What is the correct order for the OSI layers?

All people seem to need data processing, or Please do not through sausage pizza away Application, presentation, session, transport, network, data link, and physical. or Physical, data link, network, transport, session, presentation, and Application.


What is the transport layer in network?

delivers data reliably across the network using TCP


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transport layer processes occur between the applicaitoin layer and internet layer of the TCP/IP and between the session layer and network layer of the OSI model.


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+network layer logical communication between hosts +transport layer: logical communication between processes ex: we have 2 house and one house have 12 room. kids in the houses send letter together. network layer: only send letter between the houses transport layer: it make sure that the letter be sent to right the room in the house.