DHCPv4 Option for Home Information Discovery in DSMIPv6

(draft-xia-mext-hioptv4-00.txt)

Frank Xia

Behcet Sarikaya (Presenter)

Huawei USA

Procedure Introduction

DHCP server

Home network

1. HA address acquirement from DHCP server

2. Home registrationMN

HAs

Visited network

1. A MN (mobile node ) requests a home agent’s address from a DHCP server

2. The MN registers its current location to the home agent

Problem

• The DHCP server could be DHCPv4 or DHCPv6

• draft-ietf-mip6-hiopt-17.txt (Now in RFC Ed Queue) is only applicable to DHCPv6 servers

Solution

• This draft defines corresponding DHCPv4 options

• Home Network Information Option Option-code

OPTION_DSMIP6_HNINF (TDB)

• DSMIPv6 Relay Agent Option Option-code

OPTION_DSMIP6_RELAY (TBD)

• http://www.ietf.org/mail-archive/web/mext/current/msg01375.html.

Frank propsed this as MEXT item in May 2008

• http://www.ietf.org/mail-archive/web/mext/current/msg02729.html

In March 2009, Jari said “Ok, got it. We can easily define an RFC to do this. Write it up and send it to me... ”

Mailing list Discussion

Adopted as a WG document?

(draft-ietf-mip6-hiopt-17.txt is still in RFC queue,and we can catch up.)