CoAP Option Extensions: Profile and Sec-flag

Document Type Expired Internet-Draft (individual)
Authors Lei Wang  , Wendong Wang  , Lei Zhu  , Fang Yu
Last updated 2013-04-15 (latest revision 2012-10-12)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This memo adds two Options for the Constrained Application Protocol (CoAP): Profile and Sec-flag. The Profile Option is indicating the identification of an application using CoAP. The Sec-flag Option complements the security considerations of CoAP.


Lei Wang (
Wendong Wang (
Lei Zhu (
Fang Yu (

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