RFC 8974 · PROPOSED STANDARD · 2021

Extended Tokens and Stateless Clients in the Constrained Application Protocol

Overview

RFC 8974, “Extended Tokens and Stateless Clients in the Constrained Application Protocol”, is a Proposed Standard document published in January 2021 by K. Hartke, M. Richardson. It updates RFC 7252, RFC 8323. The canonical text is published by the RFC Editor.

Abstract

This document provides considerations for alleviating Constrained Application Protocol (CoAP) clients and intermediaries of keeping per-request state. To facilitate this, this document additionally introduces a new, optional CoAP protocol extension for extended token lengths.

This document updates RFCs 7252 and 8323 with an extended definition of the "TKL" field in the CoAP message header.

Abstract as published in the RFC, via rfc-editor.org.

What “Proposed Standard” means

An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.

Read this RFC

The canonical text of RFC 8974 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.

Relationships to other RFCs
This RFC updates
RFC 7252 RFC 8323
Other RFCs from 2021

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