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Re: [RAM] Tunneling overheads and fragmentation

Wassim Haddad <whaddad@tcs.hut.fi> Thu, 19 July 2007 19:42 UTC

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Date: Thu, 19 Jul 2007 22:42:35 +0300
From: Wassim Haddad <whaddad@tcs.hut.fi>
To: Robin Whittle <rw@firstpr.com.au>
Subject: Re: [RAM] Tunneling overheads and fragmentation
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Hi Robin,

On Fri, 20 Jul 2007, Robin Whittle wrote:

> In Mobile IP, how do mobile nodes handle the extra length of the
> packets they tunnel to their home agent?  Does the additional
> mobile IP software in the host operating system somehow change the
> MTU and MSS of the layer above it which is preparing packets, not
> knowing they are to be further encapsulated?

=> There is an ongoing work specific (as for now) to Mobile IP, which
removes the tunnel from the bidirectional mode and the overhead from
the route optimization. Please check: 
draft-haddad-mip6-tunneling-optimization-01


Regards,

Wassim H.

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