North American Network Operators Group
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Re: DNS Anycast as traffic optimizer?

  • From: Bill Woodcock
  • Date: Wed Sep 01 18:59:05 2004 
      On Wed, 1 Sep 2004, Steve Francis wrote:
    >>> I'm sure there is research out there...
    >> Why?  :-)
    > Usual - if I build it myself, will it work well enough, or should I pony
    > up for a CDN?

Uh, what about that makes you sure that there's research out there?

    > I thought it was standard best practice for availability, like for root
    > name servers.  I thought it was not a good "closest server" selection
    > mechanism, as you'll be going to the closest server as determined by BGP
    > - which may have little relationship to the server with lowest RTT.

And the lowest RTT doesn't necessarily have much to do with what's
closest.  If you want lowest RTT, that's what the DNS client already does
for you, so you don't need to do anything at all.

                                -Bill