CoAP Option Extension: Patience

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Last updated 2015-06-19 (latest revision 2014-12-16)
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CoAP is a RESTful application protocol for constrained nodes and networks. This specification provides a simple extension for CoAP, the Patience option. This option is used by a CoAP client to indicate the maximum time a client is prepared to wait for a response. The CoAP server should try to return the response within the specified time frame. Note Discussion and suggestions for improvement are requested, and should be sent to


Kepeng Li (
Bert Greevenbosch (
Ruinan Sun (
Esko Dijk (
Salvatore Loreto (

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