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RFC 3220 on IP Mobility Support for IPv4




A new Request for Comments is now available in online RFC libraries.


        RFC 3220

        Title:	    IP Mobility Support for IPv4
        Author(s):  C. Perkins, Ed.
        Status:     Standards Track
	Date:       December 2001
        Mailbox:    charliep@iprg.nokia.com
        Pages:      97
        Characters: 238343
        Obsoletes:  2002

        I-D Tag:    draft-ietf-mobileip-rfc2002-bis-08.txt

        URL:        ftp://ftp.rfc-editor.org/in-notes/rfc3220.txt


This document specifies protocol enhancements that allow transparent
routing of IP datagrams to mobile nodes in the Internet.  Each
mobile node is always identified by its home address, regardless of
its current point of attachment to the Internet.  While situated
away from its home, a mobile node is also associated with a
care-of address, which provides information about its current
point of attachment to the Internet.  The protocol provides for
registering the care-of address with a home agent.  The home agent
sends datagrams destined for the mobile node through a tunnel to
the care-of address.  After arriving at the end of the tunnel, each
datagram is then delivered to the mobile node.

This document is a product of the IP Routing for Wireless/Mobile Hosts
Working Group of the IETF.

This is now a Proposed Standard Protocol.

This document specifies an Internet standards track protocol for
the Internet community, and requests discussion and suggestions
for improvements.  Please refer to the current edition of the
"Internet Official Protocol Standards" (STD 1) for the
standardization state and status of this protocol.  Distribution
of this memo is unlimited.

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Joyce K. Reynolds and Sandy Ginoza
USC/Information Sciences Institute

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