MEF

MEF
Name	MEF
Formation	2000
Type	Industry consortium
Headquarters	United States
Area served	Global
Focus	Telecommunications, network virtualization, service orchestration

MEF MEF is an industry consortium that develops standards and certifications for modern wide-area and metro-area network services, focusing on analytic frameworks, orchestration APIs, and service definitions that enable inter-carrier and enterprise connectivity. It produces technical specifications and programmatic certifications adopted by carriers, vendors, and cloud providers to harmonize service attributes and performance metrics. The organization facilitates interoperability among network operators, equipment manufacturers, and software vendors through testbeds, white papers, and compliance programs.

Definition and scope

MEF defines standardized attributes for network services such as virtual private LAN services, Ethernet services, and application-aware connectivity. Its scope includes service definitions, performance objectives, management and orchestration APIs, and lifecycle service orchestration to support services across transport technologies and cloud environments. The consortium's specifications address interoperability among hardware vendors like Cisco Systems, Juniper Networks, Huawei, and Nokia as well as cloud platforms such as Amazon Web Services, Microsoft Azure, and Google Cloud Platform.

History and development

Founded in 2000 by a group of carriers and vendors, MEF evolved from earlier industry efforts to standardize Ethernet services in metropolitan networks and to enable carrier-class service definitions. Early milestones involved collaboration with service providers like AT&T, Verizon Communications, BT Group, and Deutsche Telekom to codify Ethernet Virtual Circuit behavior and service attributes. Over time the consortium expanded to cover network functions virtualization and software-defined networking concepts championed by Open Networking Foundation, European Telecommunications Standards Institute, and Internet Engineering Task Force initiatives. Key development phases include the introduction of Carrier Ethernet specifications, the launch of certification programs adopted by firms such as Ericsson and Fujitsu, and later efforts to define lifecycle orchestration aligned with TM Forum frameworks.

Technical standards and architecture

MEF's technical work specifies service attributes, framing, service-level objectives, and testing methodologies for carrier services interoperable across multi-vendor networks. Architectural elements include service definitions for Ethernet-based connectivity, virtual network function interfaces inspired by ETSI NFV, and standardized northbound APIs for orchestration adopting principles used by OpenStack and Kubernetes. The consortium publishes test methodologies for performance metrics such as latency, jitter, and packet loss that reference measurement practices consistent with standards from IEEE and ITU. MEF also defines management and orchestration interfaces enabling interoperability with orchestration platforms from Red Hat and VMware.

Implementations and products

Products and implementations influenced by MEF specifications span carrier services, network appliances, and software controllers offered by vendors like Ciena, Arista Networks, Brocade, and ADVA Optical Networking. Service providers implement MEF-aligned offerings—such as virtual private line, wavelength services, and managed SD-WAN—by integrating devices from HP Enterprise and virtualization platforms from Cisco Systems and VMware. Testing and certification labs operated by organizations including Ixia and Spirent Communications provide compliance verification. Open-source projects and commercial orchestration suites incorporate MEF APIs for service activation and OSS/BSS integration with vendors like Nokia and Ericsson.

Use cases and applications

MEF-aligned services are applied in enterprise branch connectivity, cloud on-ramps for hyperscalers like Amazon Web Services and Microsoft Azure, and multipoint business Ethernet services for financial institutions and media companies such as Bloomberg L.P. and Disney. Service providers use MEF specifications to deliver SD-WAN overlays interoperable with security platforms from Palo Alto Networks and Fortinet and to offer wavelength and Ethernet services to content delivery networks operated by Akamai Technologies and Cloudflare. Other applications include mobile backhaul supporting operators like T-Mobile US and Orange S.A., and wholesale interconnect services between carriers such as Telefonica and Reliance Jio.

Governance and organizational structure

MEF operates as a member-driven consortium with committees and technical steering groups composed of representatives from network operators, vendors, and cloud providers. Its governance model resembles other consortia such as Open Networking Foundation and TM Forum, with working groups focused on specification development, certification, and marketing. Membership tiers include global service providers, technology vendors, and research institutions; prominent members historically include AT&T, Verizon Communications, BT Group, Cisco Systems, and Juniper Networks. Decision-making proceeds through ballots and approval processes that align with best practices observed in standards bodies like IEEE and IETF.

Category:Standards organizations