On Tue, Jul 24, 2007 at 08:48:40PM +0200, Torsten Foertsch wrote: > Please forgive me the stupid question but I thought a port number is a 16 bit > integer. How can one get more than 64k connections to one IP address then? There's no port exhaustion involved, TCP stacks distinguish between sockets based on source-ip source-port tuple. The destination port remainds the same. Only if you get 64k connections from the same source-ip would there be a problem. That said, in one of our variants - as a reverse proxy - we did hit this problem and just started using multiple IP addresses. > Can you provide any more direct pointers to the papers you refer? I think the most recent online version is at; http://www.stdlib.net/~colmmacc/scaling-06.pdf The main constrain is memory. Are you running out? -- Colm MacCárthaigh Public Key: colm+pgp@xxxxxxxxxx --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See <URL:http://httpd.apache.org/userslist.html> for more info. To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx " from the digest: users-digest-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx
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