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Re: [Seamoby] DoCoMo Implementation Issues with CTP

Rajeev Koodli <rajeev@iprg.nokia.com> Fri, 20 February 2004 01:46 UTC

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Date: Thu, 19 Feb 2004 17:35:01 -0800
From: Rajeev Koodli <rajeev@iprg.nokia.com>
Organization: Nokia Research Center
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To: Raghu <dendukuri@docomolabs-usa.com>
CC: seamoby@ietf.org
Subject: Re: [Seamoby] DoCoMo Implementation Issues with CTP
References: <059c01c3f5a4$63e9e360$936015ac@dclkempt40> <40341585.127EE1A7@iprg.nokia.com> <023601c3f744$49c01df0$1c6015ac@dcldendukuri> <40355C74.22D0A058@iprg.nokia.com> <024601c3f750$0902ab00$1c6015ac@dcldendukuri>
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>
> I understand your point, but
> I request you to explain how the implementation should be
> in the following scenario ?
>
> When MN moves, MN sends CTAR to nAR,
> nAR needs to extract IP information from CTAR and send a CTREQ to oAR.
> When both(IPv4 & IPv6) are present in CTAR, What is the behaviour of nAR ?
>

In CTREQ, set `V' to 10, include both IPv4 and IPv6 addresses in
"Mobile Node's Previous IP Address" field, construct
IP Dest = PAR's IP (v4 _or_ v6) address provided in CTAR
IP Src = NAR's IP (v4 or v6) address.

Is the confusion in whether `V' bits also refer to
PAR and NAR addresses ? If so, we should clarify that they
refer to MN's IP addresses only, and that the router address
must be either IPv4 or IPv6 but not both.

-Rajeev


>
> regards,
> Raghu


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