[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
RE: [Pce] New draft on wavelength switched optical networks
Hi Greg.
I'm really interested in this topic, but I think I've missed some points when reading your ID.
For instance, I don't get why you consider the signal modulation format. I don't believe a single-vendor environment would require a negociation on modulation for a specific bandwidth, and I don't think modulation information would be enough for 2 different implementations to interwork on (analog) optical line.
Anyway, this work is a good start to highlight GMPLS and PCE lack to handle the different kinds of optical networks.
Regards,
Julien
-----Original Message-----
From: Greg Bernstein [mailto:gregb@grotto-networking.com]
Hi CCAMPer's and PCEr's, we have just published a new draft on the
"Applicability of GMPLS and PCE to Wavelength Switched Optical
Networks"
http://www.ietf.org/internet-drafts/draft-bernstein-ccamp-wavelength-switched-00.txt
.
This draft looks at optical networks that include tunable lasers and
ROADM (reconfigurable optical add/drop multiplexers) with no or limited
wavelength conversion capability (these components are defined in the
draft).
These limitations lead to the RWA (routing and wavelength assignment)
problem which is a bit more demanding in terms of input information and
computation than other constrained path computation problems. In the
draft we look at the implications for GMPLS signaling, GMPLS routing,
and PCE protocols and suggest some potential extensions to better
accommodate this application.
We'd appreciate feedback/collaboration on (a) overall interest in this
application, (b) requirements discussions, and (c) solution/extension
discussions.
Cheers
Greg B.
--
===================================================
Dr Greg Bernstein, Grotto Networking (510) 573-2237
_______________________________________________
Pce mailing list
Pce@lists.ietf.org
https://www1.ietf.org/mailman/listinfo/pce