A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Mobile IPv4 coexistence with IPsec remote access
tunnelling
Author(s) : A. Nuopponen, S. Vaarala
Filename : draft-nuopponen-vaarala-mipvpn-00.txt
Pages : 13
Date : 23-Jul-02
This document describes a simple method that allows a mobile node to
use a home agent situated inside a protected intranet, while also
allowing the mobile to roam between the public internet and the
intranet without losing active sessions. Whenever the mobile is
outside the intranet, it connects to the intranet using an IPsec
tunnel and registers the IPsec-assigned inner tunnel address as its
co-located care-of address to the internal home agent. If desired,
handover performance while outside the intranet can be enhanced by
employing another Mobile IP layer underneath IPsec. The solution
does not require any new protocols, only a profile for using existing
protocols. Only the mobile node needs to be modified in order to use
this profile.
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