Last Call: <draft-ietf-ccamp-flexi-grid-fwk-05.txt> (Framework and Requirements for GMPLS-based control of Flexi-grid DWDM networks) to Informational RFC

The IESG <> Thu, 09 July 2015 18:57 UTC

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Subject: Last Call: <draft-ietf-ccamp-flexi-grid-fwk-05.txt> (Framework and Requirements for GMPLS-based control of Flexi-grid DWDM networks) to Informational RFC
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The IESG has received a request from the Common Control and Measurement
Plane WG (ccamp) to consider the following document:
- 'Framework and Requirements for GMPLS-based control of Flexi-grid DWDM
  <draft-ietf-ccamp-flexi-grid-fwk-05.txt> as Informational RFC

The IESG plans to make a decision in the next few weeks, and solicits
final comments on this action. Please send substantive comments to the mailing lists by 2015-07-23. Exceptionally, comments may be
sent to instead. In either case, please retain the
beginning of the Subject line to allow automated sorting.


   To allow efficient allocation of optical spectral bandwidth for high
   bit-rate systems, the International Telecommunication Union
   Telecommunication Standardization Sector (ITU-T) has extended its
   Recommendations G.694.1 and G.872 to include a new dense wavelength
   division multiplexing (DWDM) grid by defining a set of nominal
   central frequencies, channel spacings and the concept of "frequency
   slot".  In such an environment, a data plane connection is switched
   based on allocated, variable-sized frequency ranges within the
   optical spectrum creating what is known as a flexible grid (flexi-

   This document defines a framework and the associated control plane
   requirements for the GMPLS-based control of flexi-grid DWDM networks.

The file can be obtained via

IESG discussion can be tracked via

No IPR declarations have been submitted directly on this I-D.