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 IP Datagram
Figure 5-1 shows the structure of an IP datagram.
The IP datagram consists of the following:
IP header. The IP header is of variable size, between 20 and 60 bytes, in 4-byte increments. It provides routing support, payload identification, IP header and datagram size indication, fragmentation support, and options.
Figure 5-1. The structure of the IP datagram at the Network Interface layer
IP payload. The IP payload is of variable size, ranging from 0 bytes (a 20-byte IP datagram with a 20-byte IP header) to 65,515 bytes (a 65,535-byte IP datagram with a 20byte header).
As sent on a link, the IP datagram is wrapped with a Network Interface ...
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