RFC 7580

OSPF-TE Extensions for General Network Element Constraints, June 2015

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F. Zhang
Y. Lee
J. Han
G. Bernstein
Y. Xu
ccamp (rtg)

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DOI:  https://doi.org/10.17487/RFC7580

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Generalized Multiprotocol Label Switching (GMPLS) can be used to control a wide variety of technologies including packet switching (e.g., MPLS), time division (e.g., Synchronous Optical Network / Synchronous Digital Hierarchy (SONET/SDH) and Optical Transport Network (OTN)), wavelength (lambdas), and spatial switching (e.g., incoming port or fiber to outgoing port or fiber). In some of these technologies, network elements and links may impose additional routing constraints such as asymmetric switch connectivity, non- local label assignment, and label range limitations on links. This document describes Open Shortest Path First (OSPF) routing protocol extensions to support these kinds of constraints under the control of GMPLS.

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.

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