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Distinguish between udp and tcp protocol found in transport layer?
Wiki User
∙ 14y ago
TCP (Transmission Control Protocol) is considered to be a 'reliable' protocol for the transport of data. This is because it uses a applies a conversation mechanism that involves establishing a connection (a process known as 'hand-shaking') before sending the data and waiting for the receiving computer to reply.
If the receiving computer didn't get the complete data (e.g. it didn't arrive or it was corrupted) then it will request that the sending computer retransmits the data.
UDP (User Datagram Protocol) is considered to be an 'unreliable' protocol because it does not bother with the hand-shaking or the error checking. Data is transmitted and is assumed to arrive at the other end. It's up to the Application Layer (not the Transport Layer) on the receiving computer to sort out the datagrams that arrive and check that they're not corrupted.
IF the receiving computer is going to request missing or damaged UDP packets then it's up to the application to do so, not the Transport layer.
Wiki User
∙ 14y ago
Wiki User
∙ 13y agoUPD is so called "connectionless" protocol. What it means is that it does not guaranty deliver of your packages.
When TCP make sure that your network package was delivered, it does not have errors, and it put together with other packages in the proper order.
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