Transport Layer - Freie Universität Berlin
Transport Layer - Freie Universität Berlin
Transport Layer - Freie Universität Berlin
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TCP: Overview<br />
RFCs: 793, 1122, 1323, 2018, 2581<br />
● Point-to-point<br />
● One sender, one receiver<br />
● Reliable, in-order byte steam:<br />
● No “message boundaries”<br />
● Pipelined<br />
● TCP congestion and flow control set<br />
window size<br />
● Send & receive buffers<br />
Application<br />
writes data<br />
TCP Buffer<br />
segment<br />
Application<br />
reads data<br />
TCP Buffer<br />
● Full duplex data<br />
● Bi-directional data flow in same<br />
connection<br />
● MSS: maximum segment size<br />
● Connection-oriented<br />
● Handshaking (exchange of control<br />
msgs) init’s sender, receiver state<br />
before data exchange<br />
● Flow controlled<br />
Univ.-Prof. Dr.-Ing. Jochen H. Schiller ▪ cst.mi.fu-berlin.de ▪ Telematics ▪ Chapter 8: <strong>Transport</strong> <strong>Layer</strong><br />
● Sender will not overwhelm receiver<br />
8.39
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