RE: [Mip4] draft-ietf-mip4-gen-ext-03.txt

["Jayshree Bharatia" <jayshree at nortel.com>]

Hi Pete,

The proposal in this draft was always considered as an alternative over
DHCP. There was never an intent saying that the mechanism discussed in
this draft is the only way to exchange configuration information between
two Mobile IP entities. This draft has been there for a long time and
honestly, I have lost track of who provided which comment which resulted
in the statement you quoted.

We have already gone through multiple WGLC on this draft and I don't
necessary agree on the change of status at this time. 

Regards,
Jayshree

-----Original Message-----
From: McCann Peter-A001034 [mailto:pete.mccann at motorola.com] 
Sent: Tuesday, July 31, 2007 9:01 AM
To: mip4 at ietf.org; dhcwg at ietf.org
Subject: [Mip4] draft-ietf-mip4-gen-ext-03.txt


A question has arisen during the last call for 
draft-ietf-mip4-gen-ext-03.txt.

The draft includes the following text:

    There are mechanisms
    such as DHCP for the mobile node to configure information from the
    foreign network, but not from the home network when the mobile node
    is not attached to the home network.

However, this may not be strictly true.  In particular,
it might be possible to use a DHCPINFORM message through
the tunnel that was established with Mobile IP, thus eliminating the
need to encode DHCP options inside Mobile IP messages. This would allow
for a single configuration protocol to be used whether the MN is at home
or visiting.

I think we may have touched on this question during our last chartering
discussion but we might not have explored all the ramifications.
Please, if you have an opinion either way 
express it now and give some background as to why you think so. It is
possible that we might turn this draft into a BCP-like document for how
to configure and run DHCP over the tunnel to the home network.

-Pete


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