Active and Passive Metrics and Methods (and everything in-between)

Document Type Replaced Internet-Draft (individual)
Author Al Morton 
Last updated 2015-08-28 (latest revision 2015-02-24)
Replaced by RFC 7799
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This memo provides clear definitions for Active and Passive performance assessment. The construction of Metrics and Methods can be described as Active or Passive. Methods can take on some of the attributes of both, and we refer to these as Hybrid Methods.


Al Morton (

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