A New Internet-Draft is available from the on-line Internet-Drafts
directories.
Title : Harmless IPv6 Address State Extension (Uncertain State)
Author(s) : H. Kitamura, S. Ata, M. Murata
Filename : draft-kitamura-ipv6-uncertain-address-state-01.txt
Pages : 9
Date : 2009-7-28
This document describes a new IPv6 address state called "Uncertain"
address state as an extension of IPv6 address state specification.
"Uncertain" address state is designed to introduce two
functionalities. One is to achieve "Temporary Address Reservation"
function. The other is to avoid a DAD (Duplicate Address Detection)
time consuming problem for dynamically created addresses.
New "Uncertain" Address State is inserted between "Tentative"
address state and "Valid" address state. After "Tentative" address
state (DAD operation has finished) for a newly created address, its
state will enter to "Uncertain" address state. While an address
stay at "Uncertain" address state, the address is behaved as if it
is temporary reserved by the node exclusively. (The other nodes can
not obtain such a reserved address.) When it becomes really
necessary for the node to utilize the temporary reserved address,
its address state is changed into "Valid" address state without
accompanying time consuming DAD operation. By these procedures, we
can avoid the DAD problem.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-kitamura-ipv6-uncertain-address-state-01.txt
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- <ftp://ftp.ietf.org/internet-drafts/draft-kitamura-ipv6-uncertain-address-state-01.txt>
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