rfc8824v2.txt		rfc8824.txt
	Internet Engineering Task Force (IETF) A. Minaburo		Internet Engineering Task Force (IETF) A. Minaburo
	Request for Comments: 8824 Acklio		Request for Comments: 8824 Acklio
	Category: Standards Track L. Toutain		Category: Standards Track L. Toutain
	ISSN: 2070-1721 IMT Atlantique		ISSN: 2070-1721 IMT Atlantique
	R. Andreasen		R. Andreasen
	Universidad de Buenos Aires		Universidad de Buenos Aires
	June 2021		June 2021
	Static Context Header Compression and Fragmentation (SCHC)		Static Context Header Compression (SCHC) for the
	for the Constrained Application Protocol (CoAP)		Constrained Application Protocol (CoAP)
	Abstract		Abstract
	This document defines how to compress Constrained Application		This document defines how to compress Constrained Application
	Protocol (CoAP) headers using the Static Context Header Compression		Protocol (CoAP) headers using the Static Context Header Compression
	and fragmentation (SCHC) framework. SCHC defines a header		and fragmentation (SCHC) framework. SCHC defines a header
	compression mechanism adapted for Constrained Devices. SCHC uses a		compression mechanism adapted for Constrained Devices. SCHC uses a
	static description of the header to reduce the header's redundancy		static description of the header to reduce the header's redundancy
	and size. While RFC 8724 describes the SCHC compression and		and size. While RFC 8724 describes the SCHC compression and
	fragmentation framework, and its application for IPv6/UDP headers,		fragmentation framework, and its application for IPv6/UDP headers,
	skipping to change at line 960 ¶		skipping to change at line 960 ¶
	|CoAP |8 |1 |Up|1 | equal | not-sent | |		|CoAP |8 |1 |Up|1 | equal | not-sent | |
	|Code | | | | | | | |		|Code | | | | | | | |
	+--------+--+--+--+-----------+---------------+--------------+======+		+--------+--+--+--+-----------+---------------+--------------+======+
	|CoAP |8 |1 |Dw|[69,132] | match-mapping | mapping-sent |c |		|CoAP |8 |1 |Dw|[69,132] | match-mapping | mapping-sent |c |
	|Code | | | | | | | |		|Code | | | | | | | |
	+--------+--+--+--+-----------+---------------+--------------+======+		+--------+--+--+--+-----------+---------------+--------------+======+
	|CoAP | |1 |Up|temperature| equal | not-sent | |		|CoAP | |1 |Up|temperature| equal | not-sent | |
	|Uri-Path| | | | | | | |		|Uri-Path| | | | | | | |
	+--------+--+--+--+-----------+---------------+--------------+======+		+--------+--+--+--+-----------+---------------+--------------+======+
	Table 4: Inner SCHC Rules		Table 4: Inner SCHC Rule
	Figure 10 shows the Plaintext obtained for the example GET request.		Figure 10 shows the Plaintext obtained for the example GET request.
	The packet follows the process of Inner Compression and encryption		The packet follows the process of Inner Compression and encryption
	until the payload. The Outer OSCORE message adds the result of the		until the payload. The Outer OSCORE message adds the result of the
	Inner process.		Inner process.
	________________________________________________________		________________________________________________________
	| |		| |
	| OSCORE Plaintext |		| OSCORE Plaintext |
	| |		| |
End of changes. 2 change blocks.
	3 lines changed or deleted		3 lines changed or added
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