Configure DNS to provide translation for best response times

Oscar Usifer oscaruser at programmer.net
Sat Jan 26 22:50:04 UTC 2008


Hi Barry,

Thank you for the good info. Is Akamai's Global Traffic Management the primary solution for this ? What is the cost they would charge? I wonder if the ebay's, googles use this solution or others.

Thanks

> ----- Original Message -----
> From: "Barry Margolin" <barmar at alum.mit.edu>
> To: comp-protocols-dns-bind at isc.org
> Subject: Re: Configure DNS to provide translation for best response times
> Date: Sat, 26 Jan 2008 15:15:08 -0500
> 
> 
> In article <fnfiff$jpd$1 at sf1.isc.org>,
>   "Oscar Usifer" <oscaruser at programmer.net> wrote:
> 
> > Folks,
> >
> > How can I configure my DNS servers to provide the quickest 
> > response time & lowest latency for the name to IP translation if 
> > we have several different datacenters (~6-20)? My org wants all 
> > requested data for any individual node on the USENET to receive 
> > data from the best of all possible server offerings.
> 
> I suspect you meant Internet, not USENET.
> 
> > This is mainly for HTTP traffic, but could also be useful for ftp 
> > downloading, or other services. Our version of bind is bind-9.3.4.
> 
> Are you asking for the best response times during the DNS lookups, or
> are you asking for DNS to send end users to the closest web servers, so
> that they get the best HTTP response times?
> 
> One way to do this is to put DNS servers in each datacenter, and have
> each of them configured to resolve names to the addresses in that
> datacenter.  This relies on the fact that caching nameservers will keep
> track of DNS response times, and prefer the ones with the best times.
> 
> A better, but much more expensive, solution might be to use a
> third-party service like Akamai's Global Traffic Management.
> 
> --
> Barry Margolin, barmar at alum.mit.edu
> Arlington, MA
> *** PLEASE post questions in newsgroups, not directly to me ***
> *** PLEASE don't copy me on replies, I'll read them in the group ***

>


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