A New Internet-Draft is available from the on-line Internet-Drafts
directories.
Title : PET-based solution for IPv4/IPv6 coexistence
Author(s) : Y. Cui, M. Xu, S. Wang, X. Li, J. Wu
Filename : draft-cui-pet-00.txt
Pages : 22
Date : 2009-7-6
IPv6 offers significant advantages over IPv4, however it will take
long time to replace IPv4 with IPv6. Therefore, these two protocols are
expected to coexist during the transition period. Currently, there are
many transition devices deployed to solve transition problems. Most of
them only use one technology (either translation or tunneling). However,
any transition technology has limitation and application scope. In
transition scenarios, besides IP version of source, middle and destination
network, the network characteristic (a regular edge network or a backbone)
has key impact on system performance of transition methods. Therefore, we
need to decide which transition method should be used in some typical
transition scenarios and how the transition and tunneling devices
collaborate for solving transition problems. This draft introduces a smart
toolbox named PET (shortfor Prefixing, encapsulation and translation) which
includes all fundamental elements needed in all transition scenarios, such
as the control and data plane operations of tunneling and translation.
Based on PET, we propose a network side transition solution. In this framework,
there deploys only one kind of transition device, i.e. PET. Through the
collaboration of PETs, the transition problems can be solved. In this draft,
we give the advantages and disadvantages of all transition methods PET may adopt
according to IP version of source, middle and destination network, and the
network characteristic.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-cui-pet-00.txt
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