- From: Cullen Jennings <fluffy@cisco.com>
- Date: Sat, 7 Mar 2009 22:13:28 -0700
- To: Dan Connolly <connolly@w3.org>
- Cc: www-tag@w3.org
On Feb 24, 2009, at 11:47 AM, Dan Connolly wrote: > On Tue, 2009-02-24 at 11:39 -0700, Cullen Jennings wrote: >> On Feb 24, 2009, at 9:06 AM, Tim Berners-Lee wrote: > [...] >>> Does this slow down HTTP operations at all? >>> (What is the effect on the economy of slowing down an HTTP lookup by >>> each nanosecond?) >> Uh, not much, otherwise people would get rid of DNS for redirections >> that did not need and just use IP addresses for stuff that needs to >> be >> fast or encode the http/html in a way that was smaller and faster to >> parse. > > People *do* take steps to improve DNS performance... enough people > that http://www.opendns.com/ seems to be a viable business: Clearly my original remark was too flippant. I agree that building high performance DNS servers is a topic of considerable energy but that is a bit orthogonal from the speed differences of CNAME vs A which is roughly what we are talking about here. > > > "OpenDNS is used today by millions of users and organizations > around the world." > -- http://www.opendns.com/about/announcements/123/ > > I think the performance and economics questions are important here, > and I'm interested in any data you have (or anyone else has) to back > up intuitions about what's important and relevant. > > -- > Dan Connolly, W3C http://www.w3.org/People/Connolly/ > gpg D3C2 887B 0F92 6005 C541 0875 0F91 96DE 6E52 C29E >
Received on Sunday, 8 March 2009 05:14:15 UTC