TCP stands for transmission control protocol. It provides a means for the users to exchange data as streams of octets and these streams are transmitted in segments each in turn consists of TCP header and a portion of the users data.
- Data are passed to TCP by a user in a sequence of TCP send primitives
- The data are buffered in send buffer.
- TCP assembles the data from the send buffer in a segment and transmits the segment.
- The segment received by the TCP entity will be stripped off its header and the data is placed in the receive buffer.
- The user will be notified by the TCP deliver primitive that data are available for delivery.
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