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MEF 3.0 services empower users with the dynamic performance, assurance, and security required to thrive in the digital economy.

MEF 3.0 Services Redefine Innovation

MEF 3.0 drives continuous development of the world's most advanced network services based on global standards.

MEF 3.0 services provide an on-demand, cloud-centric experience with unprecedented user- and application-directed control over network resources and service capabilities. They are delivered over automated, virtualized, and interconnected networks powered by LSO, SDN, and NFV.

The planned MEF 3.0 service family includes dynamic Carrier Ethernet, SD-WAN, Optical Transport, IP, Security-as-a-Service, and other virtualized services that will be orchestrated over programmable networks using LSO APIs. MEF has advanced standardization work across each major type of connectivity service.

MEF 3.0 Carrier Ethernet

MEF 3.0 CE is the third generation of MEF-defined Carrier Ethernet services, incorporating dozens of published standards. MEF 3.0 CE orchestration-ready services provide the highest level of performance, assurance, and agility available in the $50+ billion global CE services market. The comprehensive MEF 3.0 CE service portfolio includes a set of subscriber services (E-Line, E-LAN, E-Tree) and a set of operator services (Access E-Line, Access E-LAN, Transit E-Line, and Transit E-LAN). Numerous service providers already have received MEF 3.0 CE certification. 

MEF 3.0 SD-WAN

In July 2019, MEF published the industry's first and only global standard defining SD-WAN services - SD-WAN Service Attributes and Services (MEF 70).This standard, for the first time, will enable ecosystem stakeholders to use the same terminology when buying, selling, assessing, deploying, and delivering SD-WAN services. The SD-WAN service definition is a foundational step for accelerating sales, market adoption, and certification of MEF 3.0 SD-WAN services orchestrated across automated networks.

MEF 3.0 Security-as-a-Service

In early 2019, MEF launched an exciting new standardization project focused on Application Security for SD-WAN. This project will define the policy criteria and actions to protect applications (application flows) over an SD-WAN service. Work includes defining threats, security functions, and security policy terminology and attributes, and then describing what actions a security policy should take in response to certain threats.

MEF 3.0 Services Roadmap


MEF 3.0 Optical Transport

In 2018, MEF published its first Optical Transport Services specification (MEF 63) for subscriber services that support Ethernet and Fibre Channel client protocols as well as SONET/SDH client protocols for legacy WAN services. MEF is working towards the release of a companion Optical Transport Services standard for operator services in Q4 2019 that will enable simplified, faster interconnection between operators and service providers. 

MEF 3.0 IP

In 2018, MEF published the Subscriber IP Service Attributes Technical Specification (MEF 61) as the first in a planned series of standards on the road to IP services orchestrated across multiple providers. Among the current active projects, MEF is in the process of updating the IP Service Attributes standard to include operator IP services.


Public Resources

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