Generalized Labels for Lambda-Switch-Capable Label Switching Routers
RFC 6205, “Generalized Labels for Lambda-Switch-Capable Label Switching Routers”, is a Proposed Standard document published in March 2011 by T. Otani, D. Li. It updates RFC 3471. It has since been updated by RFC 7699, RFC 8359. The canonical text is published by the RFC Editor.
Abstract
Technology in the optical domain is constantly evolving, and, as a consequence, new equipment providing lambda switching capability has been developed and is currently being deployed.
Generalized MPLS (GMPLS) is a family of protocols that can be used to operate networks built from a range of technologies including wavelength (or lambda) switching. For this purpose, GMPLS defined a wavelength label as only having significance between two neighbors. Global wavelength semantics are not considered.
In order to facilitate interoperability in a network composed of next generation lambda-switch-capable equipment, this document defines a standard lambda label format that is compliant with the Dense Wavelength Division Multiplexing (DWDM) and Coarse Wavelength Division Multiplexing (CWDM) grids defined by the International Telecommunication Union Telecommunication Standardization Sector. The label format defined in this document can be used in GMPLS signaling and routing protocols. [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
The canonical text of RFC 6205 is hosted at rfc-editor.org. Available in TXT,HTML.
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