Re: [6lo] [lp-wan] RFC 8724 on SCHC: Generic Framework for Static Context Header Compression and Fragmentation

[Carsten Bormann <[e-mail]>]

Congratulations!

After area-context header compression, RFC 6282 in 2011, this is another milestone of header compression to bring IP to constrained environments.  Looking forward towards many things being built on top of this!

Grüße, Carsten


> On 2020-04-16, at 04:39, [e-mail] wrote:
> 
> A new Request for Comments is now available in online RFC libraries.
> 
> 
>        RFC 8724
> 
>        Title:      SCHC: Generic Framework for Static 
>                    Context Header Compression and Fragmentation 
>        Author:     A. Minaburo, 
>                    L. Toutain,
>                    C. Gomez,
>                    D. Barthel,
>                    JC. Zúñiga
>        Status:     Standards Track
>        Stream:     IETF
>        Date:       April 2020
>        Mailbox:    [e-mail], 
>                    [e-mail], 
>                    [e-mail], 
>                    [e-mail], 
>                    [e-mail]
>        Pages:      71
>        Updates/Obsoletes/SeeAlso:   None
> 
>        I-D Tag:    draft-ietf-lpwan-ipv6-static-context-hc-24.txt
> 
>        URL:        https://www.rfc-editor.org/info/rfc8724
> 
>        DOI:        10.17487/RFC8724
> 
> This document defines the Static Context Header Compression and
> fragmentation (SCHC) framework, which provides both a header
> compression mechanism and an optional fragmentation mechanism. SCHC
> has been designed with Low-Power Wide Area Networks (LPWANs) in mind.
> 
> SCHC compression is based on a common static context stored both in
> the LPWAN device and in the network infrastructure side. This
> document defines a generic header compression mechanism and its
> application to compress IPv6/UDP headers.
> 
> This document also specifies an optional fragmentation and reassembly
> mechanism. It can be used to support the IPv6 MTU requirement over
> the LPWAN technologies. Fragmentation is needed for IPv6 datagrams
> that, after SCHC compression or when such compression was not
> possible, still exceed the Layer 2 maximum payload size.
> 
> The SCHC header compression and fragmentation mechanisms are
> independent of the specific LPWAN technology over which they are
> used. This document defines generic functionalities and offers
> flexibility with regard to parameter settings and mechanism choices.
> This document standardizes the exchange over the LPWAN between two
> SCHC entities. Settings and choices specific to a technology or a
> product are expected to be grouped into profiles, which are specified
> in other documents. Data models for the context and profiles are out
> of scope.
> 
> This document is a product of the IPv6 over Low Power Wide-Area Networks Working Group of the IETF.
> 
> This is now a Proposed Standard.
> 
> STANDARDS TRACK: This document specifies an Internet Standards Track
> protocol for the Internet community, and requests discussion and suggestions
> for improvements.  Please refer to the current edition of the Official
> Internet Protocol Standards (https://www.rfc-editor.org/standards) for the 
> standardization state and status of this protocol.  Distribution of this 
> memo is unlimited.
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