Re: [MEXT] Rethink on Mobile IPv6
Xiangsong Cui <Xiangsong.Cui@huawei.com> Thu, 04 March 2010 02:30 UTC
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Date: Thu, 04 Mar 2010 10:30:16 +0800
From: Xiangsong Cui <Xiangsong.Cui@huawei.com>
To: Basavaraj.Patil@nokia.com, mext@ietf.org
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Cc: jari.arkko@piuha.net, int-area@ietf.org, rdroms@cisco.com
Subject: Re: [MEXT] Rethink on Mobile IPv6
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Dear Raj, I support the simplified mobile IPv6, but I would like to see it as an Informational, or Experimental document. So the relation between sMIP6 and MIP6 may also be simplified, imho. Regards Xiangsong ----- Original Message ----- From: <Basavaraj.Patil@nokia.com> To: <mext@ietf.org> Cc: <int-area@ietf.org>; <jari.arkko@piuha.net>; <rdroms@cisco.com> Sent: Wednesday, March 03, 2010 11:55 PM Subject: [MEXT] Rethink on Mobile IPv6 > > Mobile IPv6 (RFC3775) has been an RFC since 2004, and Dual-stack > Mobile IPv6 (RFC5555) since 2009. Implementations of the protocol has > been lacklustre to say the least. Several SDOs have considered MIP6 > and DSMIP6 as a solution for interworking and mobility between > different access technologies and only 3GPP has adopted it in a very > limited manner for Rel 8 (for use on the S2c interface) with the > likelihood of it being actually deployed quite low (IMO). > > While there are many reasons that can be attributed to the lack of > implementations and use, one that I would like to raise is the the > concern with the overly complex security model that MIP6/DSMIP6 relies > on today. MIP6/DSMIP6 requires IPsec and IKE/IKEv2 (RFC3776/4877) to > secure the signaling between the MN and HA. The fundamental purpose of > MIP6/DSMIP6 is to provide mobility to hosts. At a very high level the > MIP6/DSMIP6 protocol boils down to the ability to setup a tunnel > between the MN and HA and update the MN tunnel end-point whenever > there is a change in the associated IP address (CoA). The signaling to > establish the tunnel needs to be secure. But using a protocol like > IKEv2 and IPsec to achieve this security is just an overkill. It > increases the complexity of the implementation as a result of many > factors that have been captured in I-D: > draft-patil-mext-mip6issueswithipsec and discussed in the MEXT WG > meetings. > > Given the objective of the protocol is to enable IP mobility for hosts, > it should focus on doing that well in a manner that makes it easy to > implement/adopt/deploy/scale. My opinion as a result of implementation > experience is that MIP6/DSMIP6 can be significantly simplified, > especially the security architecture. The protocol as specified > currently in RFC3775/RFC5555 is a kitchensink of features. Getting back > to basics of simply establishing a tunnel between the MN and HA and > managing that tunnel is all that is needed and would potentially see > the light of day in the real world. > > You may want to call it as Mobile IPv6-lite if you wish. But I do > believe that a simplification of the protocol is needed without which > I fear it will remain an academic exercise with many years spent in > developing a spec. I hope the working group and people who are > involved in mobility related work would consider undertaking such an > effort in the IETF. > > -Basavaraj > > _______________________________________________ > MEXT mailing list > MEXT@ietf.org > https://www.ietf.org/mailman/listinfo/mext
- [MEXT] Rethink on Mobile IPv6 Basavaraj.Patil
- Re: [MEXT] Rethink on Mobile IPv6 Arnaud Ebalard
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Ed Jankiewicz
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Davis, Terry L
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Hannes Tschofenig
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Eddy, Wesley M. (GRC-MS00)[ASRC AEROSPACE CORP]
- Re: [MEXT] Rethink on Mobile IPv6 Wassim Haddad
- Re: [MEXT] Rethink on Mobile IPv6 Charles E. Perkins
- Re: [MEXT] Rethink on Mobile IPv6 Wassim Haddad
- Re: [MEXT] Rethink on Mobile IPv6 Basavaraj.Patil
- Re: [MEXT] Rethink on Mobile IPv6 Hesham Soliman
- Re: [MEXT] Rethink on Mobile IPv6 Xiangsong Cui
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Sri Gundavelli
- [MEXT] RFC 4285 (was RE: Rethink on Mobile IPv6) Alper Yegin
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Tony Whyman
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Behcet Sarikaya
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Wassim Haddad
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Ahmad Muhanna
- Re: [MEXT] Rethink on Mobile IPv6 Devarapalli, Vijay
- Re: [MEXT] Rethink on Mobile IPv6 Basavaraj.Patil
- Re: [MEXT] Rethink on Mobile IPv6 Basavaraj.Patil
- Re: [MEXT] Rethink on Mobile IPv6 Basavaraj.Patil
- Re: [MEXT] Rethink on Mobile IPv6 Devarapalli, Vijay
- Re: [MEXT] Rethink on Mobile IPv6 Junghoon Jee
- [MEXT] IRON/RANGER (was: RE: [Int-area] Rethink o… Templin, Fred L
- Re: [MEXT] Rethink on Mobile IPv6 Hesham Soliman
- Re: [MEXT] Rethink on Mobile IPv6 Jean-Michel Combes
- Re: [MEXT] Rethink on Mobile IPv6 Hesham Soliman
- Re: [MEXT] Rethink on Mobile IPv6 Basavaraj.Patil
- Re: [MEXT] Rethink on Mobile IPv6 Arnaud Ebalard
- Re: [MEXT] Rethink on Mobile IPv6 Alexandru Petrescu
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Hesham Soliman
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Eddy, Wesley M. (GRC-MS00)[ASRC AEROSPACE CORP]
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Tony Whyman
- Re: [MEXT] Rethink on Mobile IPv6 Alexandru Petrescu
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Hesham Soliman
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Pekka Savola
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Alexandru Petrescu
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Tony Whyman
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Basavaraj.Patil
- Re: [MEXT] [Int-area] Rethink on Mobile IPv6 Alberto García
- Re: [MEXT] Rethink on Mobile IPv6 Basavaraj.Patil
- Re: [MEXT] Rethink on Mobile IPv6 Hesham Soliman
- Re: [MEXT] Rethink on Mobile IPv6 Basavaraj.Patil
- Re: [MEXT] Rethink on Mobile IPv6 Hesham Soliman
- Re: [MEXT] Rethink on Mobile IPv6 Basavaraj.Patil