February 2000
Intermediate to advanced
464 pages
15h 57m
English
Content preview from Internet Core Protocols: The Definitive GuideBecome 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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ICMP in Action
If you were to look at all of the ICMP traffic crossing your network, you would probably be surprised at the amount that gets generated and exchanged during a normal day. This is not necessarily a bad thing, since ICMP is what keeps IP working so well. Most web sites will experience a significant amount of Path MTU Discovery messages, for example. In addition, sites that move services around on different hosts frequently will see a lot of Destination Unreachable messages, as clients attempt to connect to relocated services.
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