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The Metro Ethernet Forum (MEF), founded in 2001, is a nonprofit international industry consortium, dedicated to worldwide adoption of Carrier Ethernet networks and services.

The forum is composed of leading service providers, major incumbent local exchange carriers, network equipment vendors, and other networking companies that share an interest in Metro Ethernet. It had 220 members as of November 2014.

The MEF is a combination of a technical and a marketing forum to promote the adoption of Metro Ethernet. This is a key differentiator from other standard bodies such as the Internet Engineering Task Force and the Institute of Electrical and Electronics Engineers (IEEE). The forum makes recommendations to existing standards bodies and creates specifications that are not being developed by (or fall within the scope of) other standards bodies.


Logo of the EFMA

The MEF was preceded by the Ethernet in the First Mile Alliance (EFMA), also a nonprofit international industry consortium. It was established in 2001[1] to promote standards-based Ethernet in the First Mile (EFM) technologies and products and position EFM as a key networking technology for an access network.

In 2005, with the completion of the 802.3ah standard by the IEEE, the EFMA became part of the Metro Ethernet Forum.[2]

MEF white papers[edit]

These white papers provide a comprehensive technical overview of Ethernet services, based on the work of the Metro Ethernet Forum Technical Committee. The papers are intended to help buyers and users of Ethernet services understand the types and characteristics of the services and to help service providers clearly communicate their capabilities.[3]

Technical specifications[edit]

As of August 2015, the MEF had approved 53 technical specifications (see the full list):

  • MEF 2 Requirements and Framework for Ethernet Service Protection
  • MEF 3 Circuit Emulation Service Definitions, Framework and Requirements in Metro Ethernet Networks
  • MEF 4 Metro Ethernet Network Architecture Framework Part 1: Generic Framework
  • MEF 6.2 EVC Ethernet Services Definitions Phase 3 (supersedes MEF 6.1)
  • MEF 7.2 Carrier Ethernet Information Model (supersedes MEF 7.1 and MEF 7.1.1)
  • MEF 8 Implementation Agreement for the Emulation of PDH Circuits over Metro Ethernet Networks
  • MEF 9 Abstract Test Suite for Ethernet Services at the UNI
  • MEF 10.3 Ethernet Services Attributes Phase 3 (supersedes MEF 10, MEF 10.1, MEF 10.1.1, MEF 10.2 and MEF 10.2.1)
  • MEF 10.3.1 Composite Performance Metric (CPM) Amendment to MEF 10.3
  • MEF 11 User Network Interface (UNI) Requirements and Framework
  • MEF 12.1 Carrier Ethernet Network Architecture Framework Part 2: Ethernet Services Layer (supersedes MEF 12.1 and MEF 12.1.1)
  • MEF 13 User Network Interface (UNI) Type 1 Implementation Agreement
  • MEF 14 Abstract Test Suite for Traffic Management Phase 1
  • MEF 15 Requirements for Management of Metro Ethernet Phase 1 Network Elements
  • MEF 16 Ethernet Local Management Interface
  • MEF 17 Service OAM Framework and Requirements
  • MEF 18 Abstract Test Suite for Circuit Emulation Services
  • MEF 19 Abstract Test Suite for UNI Type 1
  • MEF 20 UNI Type 2 Implementation Agreement
  • MEF 21 Abstract Test Suite for UNI Type 2 Part 1 Link OAM
  • MEF 22.1 Mobile Backhaul Phase 2 Implementation Agreement (supersedes MEF 22)
  • MEF 22.1.1 Amendment to MEF 22.1 – Small Cell Backhaul
  • MEF 23.1 Class of Service Phase 2 Implementation Agreement (supersedes MEF 23)
  • MEF 24 Abstract Test Suite for UNI Type 2 Part 2 E-LMI
  • MEF 25 Abstract Test Suite for UNI Type 2 Part 3 Service OAM
  • MEF 26.1 External Network Network Interface (ENNI)–Phase 2 (supersedes MEF 26, MEF 26.0.1, MEF 26.0.2 and MEF 26.0.3)
  • MEF 27 Abstract Test Suite For UNI Type 2 Part 5: Enhanced UNI Attributes & Part 6: L2CP Handling
  • MEF 28 External Network Network Interface (ENNI) Support for UNI Tunnel Access and Virtual UNI
  • MEF 29 Ethernet Services Constructs
  • MEF 30.1 Service OAM Fault Management Implementation Agreement Phase 2 (supersedes MEF 30)
  • MEF 30.1.1 Amendment to SOAM FM IA
  • MEF 31 Service OAM Fault Management Definition of Managed Objects
  • MEF 32 Requirements for Service Protection Across External Interfaces
  • MEF 33 Ethernet Access Services Definition
  • MEF 34 ATS for Ethernet Access Services
  • MEF 35 Service OAM Performance Monitoring Implementation Agreement (supersedes MEF 35)
  • MEF 36.1 Service OAM SNMP MIB for Performance Monitoring (supersedes MEF 36)
  • MEF 37 Abstract Test Suite for ENNI
  • MEF 38 Service OAM Fault Management YANG Modules
  • MEF 39 SOAM Performance Monitoring YANG Module
  • MEF 40 UNI and EVC Definition of Managed Objects (SNMP)
  • MEF 41 Generic Token Bucket Algorithm
  • MEF 42 ENNI and OVC Definition of Managed Objects (SNMP)
  • MEF 43 Virtual NID (vNID) Functionality for E-Access Services
  • MEF 44 Virtual NID (vNID) Definition of Managed Objects (SNMP)
  • MEF 45 Multi-CEN L2CP
  • MEF 46 Latching Loopback Protocol and Functionality
  • MEF 47 Carrier Ethernet Services for Cloud implementation Agreement
  • MEF 48 Service Activation Testing
  • MEF 49 Service Activation Testing Control Protocol and PDU Formats
  • MEF 49.0.1 Amendment to Service Activation Testing Control Protocol and PDU Formats
  • MEF 50 Service Operations Guidelines
  • MEF 51 OVC Services Definitions


  1. ^ Extreme Launches Ethernet Alliance, Light Reading, December 11, 2001
  2. ^ MEF Absorbs EFMA, Light Reading, March 8, 2005
  3. ^ Metro Ethernet Services - A Technical Overview

External links[edit]

Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Metro_Ethernet_Forum — Please support Wikipedia.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.

546 news items

Telecompaper (subscription)
Wed, 05 Aug 2015 06:18:45 -0700

Mexican operator Axtel has announced that it has joined the Metro Ethernet Forum (MEF), the international industry consortium dedicated to worldwide adoption of Carrier Ethernet networks and services. Axtel said its membership of the MEF, which groups ...
PR Newswire (Comunicado de prensa)
Tue, 04 Aug 2015 11:22:30 -0700

SAN PEDRO GARZA GARCÍA, México, 4 de agosto de 2015 /PRNewswire/ -- AXTEL, S.A.B. de C.V. (BMV: AXTELCPO; OTC: AXTLY) ("AXTEL"), empresa mexicana de telecomunicaciones, informó hoy haberse integrado al Metro Ethernet Forum (MEF), ...
Wed, 26 Aug 2015 06:03:30 -0700

These services are certified by the Metro Ethernet Forum (MEF) and offer a secure, reliable, and customizable network infrastructure. The TWCBC DIA service is ideal for organizations that need large bandwidth to the Internet over a SLA-backed, fiber ...
PR Newswire (press release)
Tue, 25 Aug 2015 05:22:30 -0700

Comcast Business recently received four Metro Ethernet Forum (MEF) Ethernet Excellence Awards, including the prestigious Best Service of the Year for North America. In addition, Comcast Business was named the fastest-growing Ethernet provider on ...
Light Reading
Wed, 26 Aug 2015 05:56:15 -0700

In addition, a new set of packet networking features has been introduced on the 5430 to offer rich Metro-Ethernet-Forum (MEF) based services for consistent service delivery, faster turn-up and provisioning, and seamless evolution from circuit to packet.


Wed, 26 Aug 2015 12:30:00 -0700

The update introduces a new family of packet networking features that includes Metro-Ethernet-Forum (MEF) based services that deliver speedier turn-up and delivery, enhanced and consistent service delivery, and enable service providers to seamlessly ...
PR Newswire (press release)
Tue, 25 Aug 2015 12:30:00 -0700

II-39 Wavelength-Division Multiplexing (WDM) II-39 Ethernet Passive Optical Network (EPON) II-39 Benefits of Carrier Ethernet to Businesses II-39 Metro Ethernet Forum - The Defining Body for Carrier Ethernet II-40 Deployment of Carrier Ethernet ...
Fri, 14 Aug 2015 05:00:00 -0700

... including metro core, metro edge, and metro access with solutions optimized for fast growing applications including mobile fronthaul and backhaul, broadband aggregation, and business Ethernet services with Metro Ethernet Forum (MEF) certification.

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