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CoAP Payload-Length Option Extension

Document type: Expired Internet-Draft (individual)
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Last updated: 2014-03-03 (latest revision 2013-08-16)
Intended RFC status: Unknown
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IESG State: Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found here:


This document defines an extension to the Constrained Application Protocol (CoAP) to add one new option: Payload-Length, which is used to indicate the length of the payload of the message.


Kepeng Li <>

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