The IESG has approved the following document: - 'RSVP-TE Signaling Extensions in support of Flexible Grid' (draft-ietf-ccamp-flexible-grid-rsvp-te-ext-05.txt) as Proposed Standard
This document is the product of the Common Control and Measurement Plane Working Group. The IESG contact persons are Alvaro Retana, Alia Atlas and Deborah Brungard. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-ccamp-flexible-grid-rsvp-te-ext/ Technical Summary The International Telecommunication Union Telecommunication Standardization Sector (ITU-T) 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 spacing's 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 flexi-grid. This document reflects recommendations defined by the ITU-T and describes the requirements, procedures and protocol extensions for RSVP-TE signaling to set up LSPs in optical networks that support flexi-grid. The I-D using the label definition documented in https://tools.ietf.org/html/draft-farrkingel-ccamp-flexigrid-lambda-label. Working Group Summary The initial RSVP-TE signaling extensions in support of flexible grid Internet-Draft (I-D) was published in October 2011, after numerous presentations at CCAMP working group (WG) meetings and list discussions it has matured over several versions. Key discussion points included: + Traffic Parameters - Its correct use + Grid Value - To determine how to carry the central frequency & slot width in RSVP-TE + Refined to make it consistent with flexible grid framework and label extension I-Ds - https://tools.ietf.org/html/draft-ietf-ccamp-flexi-grid-fwk - https://tools.ietf.org/html/draft-ietf-ccamp-flexigrid-lambda-label The issues above were discussed during IETF meetings and on the mailing list and an acceptable (by the CCAMP WG) definitions were established. Overall the document has received broad support from the CCAMP WG during its life. No objection to progression of the I-D (via the CCAMP mailing list or documented in CCAMP WG minutes), and especially at Last Call was recorded. Document Quality The work has had contributions from a large group of people from multiple people both from the ITU-T and IETF. Additionally, the work has had external review from the IDEALIST EU project (http://www.ict-idealist.eu/) that is making multiple inter-operating implementations of a GMPLS control plane for flexible grid. Personnel Daniel King is the document Shepherd Deborah Brungard is the Responsible Area Director
