[CCAMP] I-D Action: draft-ietf-ccamp-flexi-grid-fwk-02.txt

internet-drafts@ietf.org Tue, 26 August 2014 09:34 UTC

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Subject: [CCAMP] I-D Action: draft-ietf-ccamp-flexi-grid-fwk-02.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Common Control and Measurement Plane Working Group of the IETF.

        Title           : Framework and Requirements for GMPLS based control of Flexi-grid DWDM networks
        Authors         : Oscar Gonzalez de Dios
                          Ramon Casellas
                          Fatai Zhang
                          Xihua Fu
                          Daniele Ceccarelli
                          Iftekhar Hussain
	Filename        : draft-ietf-ccamp-flexi-grid-fwk-02.txt
	Pages           : 33
	Date            : 2014-08-26

   This document defines a framework and the associated control plane
   requirements for the GMPLS based control of flexi-grid DWDM networks.
   To allow efficient allocation of optical spectral bandwidth for high
   bit-rate systems, the International Telecommunication Union
   Telecommunication Standardization Sector (ITU-T) has extended the
   recommendations [G.694.1] and [G.872] to include the concept of
   flexible grid.  A new DWDM grid has been developed within the ITU-T
   Study Group 15 by defining a set of nominal central frequencies,
   channel spacings and the concept of "frequency slot".  In such
   environment, a data plane connection is switched based on allocated,
   variable-sized frequency ranges within the optical spectrum.

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