Messages in this thread | | | Subject | Re: [PATCH] anycast support for IPv6, updated to 2.5.44 | From | David Stevens <> | Date | Thu, 20 Mar 2003 00:34:41 -0700 |
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Yoshifuji, I created the multicast-like API because, aside from the in-kernel use, there was no way to use anycasting otherwise, and I believe for at least the high-availability case, it doesn't make any sense to treat it like a unicast address. An exited DNS server program with the server machine still up will in fact deny service to clients that might otherwise find a working server if the "permanent" address model were not there. With a multicast-like interface at least available, programs have the choice of tying the anycast address to whether or not the service that needs it is running. That said, there's no reason why you can't have both, and that's straightforward with the code (but not implemented). I think it's too early to be concerned with compatibility since there is no alternative non-permanent anycast address API. If Linux has an API to do something that can't be done at all on other systems, there clearly isn't a portability issue.
+-DLS
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