January 2008
Intermediate to advanced
624 pages
14h 16m
English
Content preview from Windows Server® 2008 TCP/IP Protocols and ServicesBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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The TCP Segment
A TCP segment, consisting of a TCP header and its optional payload (a segment), is identified in the IP header with IP Protocol number 6. The segment can be a maximum size of 65,495 bytes: 65,535 minus the minimum-size IP header (20 bytes) and the minimum-size TCP header (20 bytes). The resulting IP datagram is then encapsulated with the appropriate Network Interface Layer header and trailer. Figure 10-1 displays the resulting frame.
In the IP header of TCP segments, the Source Address field indicates the unicast address of the host interface that sent the TCP segment. The Destination Address field indicates the unicast address of the destination host (or intermediate router if the packet is source routed).
Figure 10-1. TCP segment ...
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