What does EF stand for?

Expedited Forwarding

This definition appears very rarely and is found in the following Acronym Finder categories:

Information technology (IT) and computers

Other Resources:

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Ephedrine Free (thermogenic formula) Epic Fail (Internet slang) Equifax (credit reporting agency) Equipment Failure (Wandel Goltermann) Equivalent Focal Length Eris Free (Internet Relay Chat network) Escuela de la Fe (Spanish) Europæiske Fællesskab (Danish: European Community) Excitation Frequency Exhaust Fan		Experience Factory Exposed Facility Extended Fractal Extension Flag External Forces Extra Fine (threads) Extremely Fine (numismatics; 7th best condition of coin) Operation Enduring Freedom (US DoD) Engineer Furnish & Install Elongation Factor 2

Samples in periodicals archive:

An expedited forwarding PUB (per-hop behavior)," IETF RFC 3246, March 2002.

A scalable architecture supporting QoS guarantees using traffic ...

The ACL entries mark the IP packets for CoS Type 5 and Expedited Forwarding (EF) -- the highest priority treatment and the appropriate service classes for VoIP traffic.

Xelor Software Introduces XelorRate Service Quality Manager, Software ...

The ACL entries mark the IP packets for CoS Type 5 and Expedited Forwarding (EF), the appropriate service classes for VoIP traffic.

Xelor Software to Address Quality of Service Challenges of Real-time ...