[CCAMP] RFC 6566 on A Framework for the Control of Wavelength Switched Optical Networks (WSONs) with Impairments
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Subject: [CCAMP] RFC 6566 on A Framework for the Control of Wavelength Switched Optical Networks (WSONs) with Impairments
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A new Request for Comments is now available in online RFC libraries. RFC 6566 Title: A Framework for the Control of Wavelength Switched Optical Networks (WSONs) with Impairments Author: Y. Lee, Ed., G. Bernstein, Ed., D. Li, G. Martinelli Status: Informational Stream: IETF Date: March 2012 Mailbox: leeyoung@huawei.com, gregb@grotto-networking.com, danli@huawei.com, giomarti@cisco.com Pages: 31 Characters: 68851 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-ietf-ccamp-wson-impairments-10.txt URL: http://www.rfc-editor.org/rfc/rfc6566.txt As an optical signal progresses along its path, it may be altered by the various physical processes in the optical fibers and devices it encounters. When such alterations result in signal degradation, these processes are usually referred to as "impairments". These physical characteristics may be important constraints to consider when using a GMPLS control plane to support path setup and maintenance in wavelength switched optical networks. This document provides a framework for applying GMPLS protocols and the Path Computation Element (PCE) architecture to support Impairment-Aware Routing and Wavelength Assignment (IA-RWA) in wavelength switched optical networks. Specifically, this document discusses key computing constraints, scenarios, and architectural processes: routing, wavelength assignment, and impairment validation. This document does not define optical data plane aspects; impairment parameters; or measurement of, or assessment and qualification of, a route; rather, it describes the architectural and information components for protocol solutions. This document is not an Internet Standards Track specification; it is published for informational purposes. This document is a product of the Common Control and Measurement Plane Working Group of the IETF. INFORMATIONAL: This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see http://www.ietf.org/mailman/listinfo/ietf-announce http://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see http://www.rfc-editor.org/rfcsearch.html. For downloading RFCs, see http://www.rfc-editor.org/rfc.html. Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team Association Management Solutions, LLC