From: Jon M. <jo...@te...> - 2006-07-19 17:27:56
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Peter Crowther wrote: >> From: Jon Maber >> if you resolve a host name it doesn't take any longer >> to get all the IP numbers - a single response packet lists >> them all. (In >> fact a suspect that the same call is made and that the Java >> method that fetches one IP number just discards the others.) >> > > Memory says you're right, and that a DNS client RFC-SHOULD contact the > addresses in order - so the call that returns a single address should > return the first one. However, I'm doing this from memory without the > spec in front of me. > > >> I don't think that the >> Leeds DNS is clever enough to change the order of the IP >> numbers so I've >> implemented a cycle in the authenticator that balances the load. >> > > Makes sense. I assume you also refuse to contact failed servers for a > period after detecting the failure? > I haven't done that bit yet. That might be an eleventh hour activity.... |