From: Todd Carswell (acarswell@xxxxxxxxx)
Date: Thu Mar 28 2002 - 14:46:10 GMT-3
I view "poison reverse" as another way of saying that "bad news is better
than no news at all".
Todd Carswell
----- Original Message -----
From: "Sean C." <Upp_and_Upp@hotmail.com>
To: "Ma Gang" <matthen@zisco.com.cn>; <ccielab@groupstudy.com>
Sent: Thursday, March 28, 2002 1:16 AM
Subject: Re: Off topic, What does "Poison" mean here?
> Hi Matthew,
>
> Per Perlman "Interconnections, 2nd Ed." p 306 - "Poison reverse means
> reporting a value of infinity to explicitly report that you can't reach D
> rather than simply not mentioning D." So, instead of not acknowledging
> something, the issue in question is acknowledged, but with an answer that
is
> not valid, thus 'spoiling' the output.
>
> Is this what you are asking or are you asking why was 'poison' chosen
> instead of words such as 'corrupt' or 'defile'?
>
> Sean
> ----- Original Message -----
> From: "Ma Gang" <matthen@zisco.com.cn>
> To: <ccielab@groupstudy.com>
> Sent: Wednesday, March 27, 2002 7:01 PM
> Subject: Off topic, What does "Poison" mean here?
>
>
> Dear All,
>
> We may be familiar with "Route Poisoning" or "Poison Reverse". But what
does
> "poison" mean here? As I imagine, there may be 2 answers
>
> 1. The name of a French mathematician. He invented the algorithm, which is
> used in Distance Vector routing protocol now.
>
> 2. Another expression way of "block".
>
> Which one is correct? Or maybe some other answers?
>
>
>
> Matthew Ma
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