I-D ACTION:draft-calhoun-mobileip-gre-ext-01.txt

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	Title		: GRE Extensions
	Author(s)	: P. Calhoun, G. Dommety, T. Hiller, P. McCann, Y. Xu
	Filename	: draft-calhoun-mobileip-gre-ext-01.txt
	Pages		: 8
	Date		: 13-Sep-01
	
The GRE specification contains a Key field, which MAY contain a value
that is used to identify a particular GRE 'flow'. This specification
defines a new Mobile IP extensions that is used to exchange the value
to be used in the GRE Key field.
This specification also introduces a new extension, called the GRE
Type extension, which is used during registration to signal the GRE
type that will be used for the Mobile Node's session. This extension
is deemed important in order to allow the Mobility Agents to setup
the necessary protocol interfaces prior to receiving the mobile's
traffic.

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