[Mip6] [issue94] fixing encapsulation mechanism in IPv4 network

[Keiichi SHIMA <tracker-mip6 at mip4.org>]

New submission from Keiichi SHIMA <keiichi at iijlab.net>:

The current DSMIPv6 draft specifies two encapsulation formats, one is the IPv4 encap format, the other is 
UDPv4 encap format.  The default encapsulation format is the IPv4 format, and if the HA explicitly 
specifies to change the encapsulation format to the UDPv4 format if there is a NAT box between the HA 
and the MN.  Because of this specification, HA and MN have to support both encapsulation formats and 
have to change the format dynamically, that may increase the hurdle for implementors and may cause 
complexity in interoperability.

Isn't it possible to fix the encapsulation format to one of these mechanisms described in the draft?

----------
category: Technical
draft: draft-ietf-mip6-nemo-v4traversal
messages: 338
nosy: keiichi
priority: May fix
status: No discussion
title: fixing encapsulation mechanism in IPv4 network

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