nanog mailing list archives

Re: Slashdot: Providers Ignoring DNS TTL?


From: "Christopher L. Morrow" <christopher.morrow () mci com>
Date: Sat, 30 Apr 2005 04:29:32 +0000 (GMT)


On Sat, 30 Apr 2005, Dean Anderson wrote:


On Mon, 25 Apr 2005, Stephen J. Wilcox wrote:

So agreeing for a second with Dean that indeed this behaviour would appear to be
prohibited or at least inconsistent with the RFCs, the fact is anycast is widely
deployed and is proven to be stable.

"vixie-cast" is deployed on around 60 or so root DNS servers.  (don't know
the exact number)  That covers a wide spread of root DNS servers, but I
wouldn't call that 'widely deployed'.  I haven't been able to find any
users of HTTP anycast/'vixie-cast' that Patrick Gilmore referred.  There

we do this 'http anycast' as part of another service... it seems to work
well enough.


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