PASSporT Extension for Resource-Priority Authorization

Document Type Replaced Internet-Draft (individual)
Last updated 2017-06-06
Replaced by RFC 8443
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document extends the PASSporT object to convey cryptographically-signed assertions of authorization for communications 'Resource-Priority'. It extends PASSporT to allow cryptographic-signing of the SIP 'Resource-Priority" header field which is used for communications resource prioritization. It also describes how the PASSPorT extension is used in SIP signaling to convey assertions of authorization of the information in the SIP 'Resource-Priority' header field.


Ray Singh (
Martin Dolly (
Subir Das (
An Nguyen (

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