Jeffrey Ollie wrote: [..] > But do the commonly-used operating systems support adding hundreds or > thousands of addresses to an interface, and what would the performance > implications be?
Remember that IP addresses are 128bits, while hostnames (the ones for the "Host:" header in the HTTP query) are well, quite a bit longer than that on average. If thus something like this would become common-place, there definitely will be quite some people who will be paying some attention on optimizing Apache. But yes, the network stack itself is a different question, then again, you can just route a /64 into the loopback device and let your apache listen there... (which also allows you to do easy-failover as you can move that complete /64 to a different box ;) Greets, Jeroen
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