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[pcp] PCP Server Selection - Address Family Selection

Sebastian Kiesel <ietf-pcp@skiesel.de> Fri, 25 April 2014 14:51 UTC

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Date: Fri, 25 Apr 2014 16:51:38 +0200
From: Sebastian Kiesel <ietf-pcp@skiesel.de>
To: draft-ietf-pcp-server-selection@tools.ietf.org
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Subject: [pcp] PCP Server Selection - Address Family Selection
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Hi,

draft-ietf-pcp-server-selection-02  says in Section 3:

   1.  If the PCP client can use both address families when
       communicating to a particular PCP server, the PCP client SHOULD
       select the source address of the PCP request to be of the same IP
       address family as its requested PCP mapping (i.e., the address
       family of the Requested External IP Address).


What is the reason for saying it SHOULD use the same familiy as the
requested EXTERNAL IP address?  I think it would make more sense to use
the same familiy as the INTERNAL address (if there is a difference at
all).

Thanks
Sebastian

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