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Re: http+srv worth its own URI scheme? (ISSUE-49 schemeProtocols-49)

From: Cullen Jennings <fluffy@cisco.com>
Date: Sat, 7 Mar 2009 22:13:28 -0700
To: Dan Connolly <connolly@w3.org>
Message-Id: <543A1CAF-37B0-4F7C-98CE-2EC9BF103990@cisco.com>
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

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