> These types of statistics aren't kept. > > Generally, they are used only by network researchers, who hack > their stacks to get them. > > They usually do not make it into commercial product distributions > for performance reasons, and because every byte added to a tcpcb > structure is one byte less that can be used for something else. > In practice, adding 134 bytes of statistics to a tcpcb would > double its size and halve the number of simultaneous connections > you would be able to support with the same amount of RAM in a > given machine (as one example), if all of that memory had to > come out of the same space, all other things being equal.
If the tcpcb struct were expanded/changed and the various increments were added in the appropriate packet pushing code, this would work right? Is there something non-obvious that one would need to worry about to undertake such a project? Thanks, Deepak Jain AiNET _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"
