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Re: interop problems with getaddrinfo() address selection

der Mouse <mouse@Rodents.Montreal.QC.CA> Thu, 06 December 2007 20:20 UTC

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From: der Mouse <mouse@Rodents.Montreal.QC.CA>
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Date: Thu, 06 Dec 2007 15:18:52 -0500
To: discuss@apps.ietf.org
Subject: Re: interop problems with getaddrinfo() address selection
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> Rule 9 of RFC 3484 specifies that the IP addresses (v4 and v6)
> returned by getaddrinfo() should be sorted according to the size of
> their common prefix with the local host's chosen source IP address.
> This defeats DNS round robin load balancing which has led to some
> severe operational problems.

I'm interseted in what sort of problems it causes.  It sounds
reasonable to me, which means there's something operationally important
I'm missing.  Can you explain, or do you have a reference to somewhere
I can read about it?

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