forcing TTL value

Vincent Duquesne v.duquesne at silicomp.fr
Wed Jan 9 08:45:05 UTC 2002


In fact it is based on Rond trip time request of DNS client to DNS servers
which are present on each site...

-----Message d'origine-----
De : bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org]De la
part de phn at icke-reklam.ipsec.nu
Envoyé : mardi 8 janvier 2002 22:32
À : comp-protocols-dns-bind at moderators.isc.org
Objet : Re: forcing TTL value



Vincent Duquesne <v.duquesne at silicomp.fr> wrote:

> thanks barry,

> in fact, it is to design a CDN solution based on DNS TTL (very short to be
> sure that each time DNS request will be made).

Seems to be an inherently broken design.
What will the app do whenever a "temporary error" occurs ?


> Vincent

> -----Message d'origine-----
> De : bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org]De la
> part de Barry Margolin
> Envoyé : mardi 8 janvier 2002 18:33
> À : comp-protocols-dns-bind at moderators.isc.org
> Objet : Re: forcing TTL value


> In article <a1f6k0$jl3 at pub3.rc.vix.com>,
> Vincent Duquesne <v.duquesne at silicomp.fr> wrote:
>>is it possible to force TTL value of records that we received from others
>>servers ?

> No.  You can configure a maximum TTL, so anything longer than that will be
> reduced to this time.  But you can't force a larger TTL than what you
> receive.

> What are you trying to do that you think requires forcing a particular
TTL?

> --
> Barry Margolin, barmar at genuity.net
> Genuity, Woburn, MA
> *** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to
newsgroups.
> Please DON'T copy followups to me -- I'll assume it wasn't posted to the
> group.



--
Peter Håkanson
        IPSec  Sverige      (At the Riverside of Gothenburg, home of Volvo)
           Sorry about my e-mail address, but i'm trying to keep spam out.
	   Remove "icke-reklam" and it works.



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