W3C home > Mailing lists > Public > ietf-http-wg-old@w3.org > January to April 1996

Re: (DNS) consensus wording

From: David W. Morris <dwm@shell.portal.com>
Date: Sun, 31 Mar 1996 18:43:00 -0800 (PST)
To: Anawat Chankhunthod <chankhun@catarina.usc.edu>
Cc: http-wg%cuckoo.hpl.hp.com@hplb.hpl.hp.com
Message-Id: <Pine.SUN.3.90.960331184109.12657D-100000@jobe.shell.portal.com>


On Sat, 30 Mar 1996, Anawat Chankhunthod wrote:

> I have some additional ideas. Danzig., et.al (SIGCOMM92 ??) shows that 
> NEGATIVE caching DNS will help to reduce DNS traffic quite a bit. 
> Negative cache means when DNS lookup fail (may be after 2-3 trails) for
> that particular host, we should cache the result (the failure) for a short
> time to avoid subsequent look up (which likely to fail again). Say 2 minutes.

While this is a useful suggestion, it doesn't fall in the domain of being
a security issue. It might be considered for an HTTP implementation 
recommendations document.

Dave Morris
Received on Monday, 1 April 1996 03:44:36 EST

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