Messages in this thread | | | Subject | Re: > 15K simultaneous connections EXAMPLE program/OS config needed, was: Re: POSIX aio vs completion ports | Date | Fri, 17 Sep 1999 09:41:02 +0100 (BST) | From | Malcolm Beattie <> |
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Rogier Wolff writes: > If you're handling lots of outgoing connections (unlikely), you might > run into trouble. Suppose we want ephemeral (sp?) ports, the kernel > might say "Sorry, none found" when you've used all of them. This is > incorrect (but nobody has run into it yet). After one round around the > port space searching for an unused port, the kernel should just > allocate a port that's already used. Then you can connect to any > IP/port, except the one that the existing connection is already > connected to. If the kernel knows the destination IP/port at that > time, it should try to avoid that situation. Otherwise, it should just > hope for the best.
If that were to be implemented, I'd be unhappy with the "hope for the best": if it wants behaviour like that, it should probably explicitly ask for it with SO_REUSEADDR or similar.
--Malcolm
-- Malcolm Beattie <mbeattie@sable.ox.ac.uk> Unix Systems Programmer Oxford University Computing Services
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