RFC 4842 · PROPOSED STANDARD · 2007
WED · 29 JUL 2026
Synchronous Optical Network/Synchronous Digital Hierarchy Circuit Emulation over Packet
Overview
RFC 4842, “Synchronous Optical Network/Synchronous Digital Hierarchy Circuit Emulation over Packet”, is a Proposed Standard document published in April 2007 by A. Malis, P. Pate, R. Cohen, D. Zelig. It obsoletes RFC 5143. The canonical text is published by the RFC Editor.
Abstract
This document provides encapsulation formats and semantics for emulating Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) circuits and services over MPLS. [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.
Read this RFC
The canonical text of RFC 4842 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2007
- RFC 4841 RFC 4181 Update to Recognize the IETF Trust
- RFC 4843 An IPv6 Prefix for Overlay Routable Cryptographic Hash Identifiers
- RFC 4840 Multiple Encapsulation Methods Considered Harmful
- RFC 4844 The RFC Series and RFC Editor
- RFC 4839 Media Type Registrations for the Open eBook Publication Structure Package File
- RFC 4845 Process for Publication of IAB RFCs
- RFC 4838 Delay-Tolerant Networking Architecture
- RFC 4846 Independent Submissions to the RFC Editor