RFC 5143

Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation Service over MPLS (CEM) Encapsulation, February 2008

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Obsoleted by:
RFC 4842
A. Malis
J. Brayley
J. Shirron
L. Martini
S. Vogelsang

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DOI:  https://doi.org/10.17487/RFC5143

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This document describes a historical method for encapsulating Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Path signals for transport across packet-switched networks (PSNs). The PSNs explicitly supported by this document include MPLS and IP. Note that RFC 4842 describes the standards-track protocol for this functionality, and new implementations must use RFC 4842 rather than this document except when interoperability with older implementations is desired. This memo defines a Historic Document for the Internet community.

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.

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