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IETF RFC 8824
[ACTIVE]

Static Context Header Compression (SCHC) for the Constrained Application Protocol (CoAP)

Metadata

Publisher
IETF
Doc Type
Standard
Pages
30
Abstract
This document defines how to compress Constrained Application Protocol (CoAP) headers using the Static Context Header Compression and fragmentation (SCHC) framework. SCHC defines a header compression mechanism adapted for Constrained Devices. SCHC uses a static description of the header to reduce the header's redundancy and size. While RFC 8724 describes the SCHC compression and fragmentation framework, and its application for IPv6/UDP headers, this document applies SCHC to CoAP headers. The CoAP header structure differs from IPv6 and UDP, since CoAP uses a flexible header with a variable number of options, themselves of variable length. The CoAP message format is asymmetric: the request messages have a header format different from the format in the response messages. This specification gives guidance on applying SCHC to flexible headers and how to leverage the asymmetry for more efficient compression Rules.
Publication Date
2021-06-01
Status Note
Proposed Standard
DOI
10.17487/RFC8824
Link
https://doi.org/10.17487/RFC8824
Author(s)
Ana Minaburo
Laurent Toutain
Ricardo Andreasen
Keyword(s)
Header Compression, Fragmentation, IoT, Constrained Network, LPWAN, Sensor Network, Constrained Node, WSN, OSCORE
Latest version of IETF RFC 8824

Document Versions — IETF RFC 8824

  • ▶ IETF RFC 8824 (2021-06-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

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IETF RFC 8824, Static Context Header Compression (SCHC) for the Constrained Application Protocol (CoAP). Available at https://doi.org/10.17487/RFC8824
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IETF RFC 8824, Static Context Header Compression (SCHC) for the Constrained Application Protocol (CoAP). Available at https://doi.org/10.17487/RFC8824

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IETF RFC 8824, Static Context Header Compression (SCHC) for the Constrained Application Protocol (CoAP). Available at https://doi.org/10.17487/RFC8824
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<span class="citation"><cite>IETF RFC 8824</cite>, Static Context Header Compression (SCHC) for the Constrained Application Protocol (CoAP). Available at <a href="https://doi.org/10.17487/RFC8824" target="_blank" rel="noopener">https://doi.org/10.17487/RFC8824</a></span>

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IETF RFC 8824, Static Context Header Compression (SCHC) for the Constrained Application Protocol (CoAP)
doi: 10.17487/RFC8824
url: https://doi.org/10.17487/RFC8824
Snippet:
<li>
<cite id="bib-rfc8824">IETF RFC 8824</cite>, Static Context Header Compression (SCHC) for the Constrained Application Protocol (CoAP)
<span class="doi">10.17487/RFC8824</span>
</li>

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