Re: [pcp] The parity bit in PORT_SET

<mohamed.boucadair@orange.com> Fri, 15 March 2013 07:16 UTC

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From: mohamed.boucadair@orange.com
To: Jean-Philippe Dionne <jean-philippe.dionne@viagenie.ca>, "pcp@ietf.org" <pcp@ietf.org>
Date: Fri, 15 Mar 2013 08:16:11 +0100
Thread-Topic: [pcp] The parity bit in PORT_SET
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Subject: Re: [pcp] The parity bit in PORT_SET
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Dear Jean-Philippe,

It is not harmful to always set the bit to 1. The server can honor it or ignore it just like the suggested port set size.
An application wanting this will insert also a PREFERE_FAILURE option.

Cheers,
Med
 

>-----Message d'origine-----
>De : pcp-bounces@ietf.org [mailto:pcp-bounces@ietf.org] De la 
>part de Jean-Philippe Dionne
>Envoyé : jeudi 14 mars 2013 21:43
>À : pcp@ietf.org
>Objet : [pcp] The parity bit in PORT_SET
>
>Hi,
>
>I do not think the parity bit is useful in the PORT_SET option.  pcp
>clients that will use PORT_SET and doesn't know if they need parity or
>not, will simply always set this bit to 1.
>
>The parity bit can be removed from the PORT_SET option if we requires
>the NAT to preserve mapping for any PCP request (or by being more
>conservative, request with PORT_SET option only).
>
>Jean-Philippe
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