Framework and Requirements for GMPLS-Based Control of Flexi-Grid Dense Wavelength Division Multiplexing (DWDM) Networks

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Publisher: IETF
Doc Type: Informational
Pages: 42
Abstract: To allow efficient allocation of optical spectral bandwidth for systems that have high bit-rates, 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 the "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-grid). Given the specific characteristics of flexi-grid optical networks and their associated technology, this document defines a framework and the associated control-plane requirements for the application of the existing GMPLS architecture and control-plane protocols to the control of flexi-grid DWDM networks. The actual extensions to the GMPLS protocols will be defined in companion documents.
Publication Date: 2015-11-01
Status Note: Informational
DOI: 10.17487/RFC7698
Link: https://doi.org/10.17487/RFC7698
Author(s): Oscar Gonzalez de Dios
Ramon Casellas
Fatai Zhang
Xihua Fu
Daniele Ceccarelli
Iftekhar Hussain
Keyword(s): DWDM, Flexi-Grid, GMPLS

Latest version of IETF RFC 7698

Document Versions — IETF RFC 7698

▶ IETF RFC 7698 (2015-11-01)

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Normative Reference(s)

IETF RFC 2119 [Active*]
IETF RFC 3945 [Active*]
IETF RFC 4202 [Active*]
IETF RFC 4206 [Active*]
IETF RFC 5511 [Active*]
T-REC-G.694.2012 — G.694.1 EXTERNAL
T-REC-G.800.2012 — G.800 EXTERNAL
T-REC-G.805.2000 — G805 EXTERNAL
T-REC-G.870.2012 — G.870 EXTERNAL
T-REC-G.872.2012 — G872-2012 EXTERNAL
T-REC-G.8080.2012 — G.8080 EXTERNAL

Bibliographic Reference(s)

IETF RFC 3473 [Active*]
IETF RFC 4204 [Active*]
IETF RFC 4397 [Active*]
IETF RFC 4606 [Active*]
IETF RFC 4783 [Active*]
IETF RFC 4802 [Active*]
IETF RFC 4803 [Active*]
IETF RFC 5920 [Active*]
RFC6163 — RFC6163 EXTERNAL
IETF RFC 6344 [Active*]
IETF RFC 7139 [Active*]
RFC7260 — RFC7260 EXTERNAL
T-REC-G.959.2013 — G.959.1-2013 EXTERNAL

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IETF RFC 7698, Framework and Requirements for GMPLS-Based Control of Flexi-Grid Dense Wavelength Division Multiplexing (DWDM) Networks. Available at https://doi.org/10.17487/RFC7698

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IETF RFC 7698, Framework and Requirements for GMPLS-Based Control of Flexi-Grid Dense Wavelength Division Multiplexing (DWDM) Networks. Available at https://doi.org/10.17487/RFC7698

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IETF RFC 7698, Framework and Requirements for GMPLS-Based Control of Flexi-Grid Dense Wavelength Division Multiplexing (DWDM) Networks. Available at https://doi.org/10.17487/RFC7698

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<span class="citation"><cite>IETF RFC 7698</cite>, Framework and Requirements for GMPLS-Based Control of Flexi-Grid Dense Wavelength Division Multiplexing (DWDM) Networks. Available at <a href="https://doi.org/10.17487/RFC7698" target="_blank" rel="noopener">https://doi.org/10.17487/RFC7698</a></span>

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IETF RFC 7698, Framework and Requirements for GMPLS-Based Control of Flexi-Grid Dense Wavelength Division Multiplexing (DWDM) Networks
doi: 10.17487/RFC7698
url: https://doi.org/10.17487/RFC7698

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<li>
<cite id="bib-rfc7698">IETF RFC 7698</cite>, Framework and Requirements for GMPLS-Based Control of Flexi-Grid Dense Wavelength Division Multiplexing (DWDM) Networks
<span class="doi">10.17487/RFC7698</span>
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Referenced By

IETF RFC 7699 [Active*]