forwarding algorithm and timeouts

Brad Knowles brad.knowles at
Tue Mar 27 22:28:32 UTC 2001

At 2:55 PM -0500 3/27/01, Kevin Darcy wrote:

>  Well, this is just a matter of semantics, but when a nameserver program (like
>  "named") forwards, it is acting in the *role* of a "resolver" (i.e. a
>  DNS client). It is therefore quite reasonable, in my opinion, to compare and
>  contrast, as Bob is doing, the respective timeout/retry strategies for
>  "forwarding" versus stub resolvers.

	These are technical terms, and the correct one should be used to 
describe the behaviour in question.

>  This just sounds wrong. What about forwarder failover or the RTT-based
>  forwarder-selection in BIND 8.2.3? Perhaps you are using terms like
>  "contact" in a way that is unfamiliar to me.

	This is what was recently confirmed to me by Jim.  Now, maybe I 
misunderstood what he was saying, but this is my understanding.

Brad Knowles, <brad.knowles at>

/*        efdtt.c  Author:  Charles M. Hannum <root at>          */
/*       Represented as 1045 digit prime number by Phil Carmody         */
/*     Prime as DNS cname chain by Roy Arends and Walter Belgers        */
/*                                                                      */
/*     Usage is:  cat title-key scrambled.vob | efdtt >clear.vob        */
/*   where title-key = "153 2 8 105 225" or other similar 5-byte key    */

dig|perl -ne'if(/^x/){s/[x.]//g;print pack(H124,$_)}'

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