Transport Layer - Freie Universität Berlin
Transport Layer - Freie Universität Berlin
Transport Layer - Freie Universität Berlin
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DCCP Packet Format<br />
DCCP<br />
header<br />
● Generic Header<br />
1 2 3<br />
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1<br />
Generic Header<br />
Additional Fields (dep. on type)<br />
Options (optional)<br />
Application Data<br />
● 16 byte version, increased protection against wrapping sequence numbers<br />
1 2 3<br />
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1<br />
Source Port Destination Port<br />
Data Offset CCVal CsCov Checksum<br />
Res. Type 1 Reserved Sequence Number (high bits)<br />
Sequence Number (low bits)<br />
● There is also a shorter 12 byte Generic Header<br />
Univ.-Prof. Dr.-Ing. Jochen H. Schiller ▪ cst.mi.fu-berlin.de ▪ Telematics ▪ Chapter 8: <strong>Transport</strong> <strong>Layer</strong><br />
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