MLEF Without Capacity Admission Does Not Satisfy MLPP Requirements

Document Type Expired Internet-Draft (tsvwg WG)
Authors Fred Baker  , James Polk 
Last updated 2005-02-09
Stream Internent Engineering Task Force (IETF)
Intended RFC status (None)
Expired & archived
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Stream WG state WG Document
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IESG IESG state Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


The Defense Information Systems Agency of the United States Department of Defense, with its contractors, has proposed a service architecture for military (NATO and related agencies) telephone systems. This is called the Assured Service, and is defined in two documents: "Architecture for Assured Service Capabilities in Voice over IP" and "Requirements for Assured Service Capabilities in Voice over IP". Responding to these are three documents: "Extending the Session Initiation Protocol Reason Header to account for Preemption Events", "Communications Resource Priority for the Session Initiation Protocol", and the "Multi-Level Expedited Forwarding Per Hop Behavior" (MLEF PHB). MLEF, as currently defined, has serious problems, which this draft seeks to discuss.


Fred Baker (
James Polk (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)