A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : SDN State Reduction
Author(s) : Peter Ashwood-Smith
Mourad Soliman
Tao Wan
Filename : draft-ashwood-sdnrg-state-reduction-00.txt
Pages : 23
Date : 2013-07-03
Abstract:
This document makes the argument that to support the centralized
control of a substantial number of forwarding devices (as Software
Defined Networking (SDN) proposes) that the scale, speed, cost and
general quality of such a solution will be improved by reducing
the state needed to be distributed into the network of devices by
the controller(s). To this end we re-visit forms of Source Routing
(SR), in particular Strict Link Source Routing (SLSR) and suggest
that light weight SLSR could allow substantial reduction in
controller burden while potentially reducing the costs/complexity
on forwarding devices. We discuss some simulation results that
demonstrate these advantages and how the advantages grow
substantially as the network diameter grows. We also look at
various implementation possibilities including existing IPV4, V6,
MPLS, new/modified MPLS vs. something brand new that could
possibly be implemented with new SDN technology like Protocol
Oblivious Forwarding-POF.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ashwood-sdnrg-state-reduction
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ashwood-sdnrg-state-reduction-00
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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