Re: [icnrg] Last Call: draft-irtf-icnrg-icnlowpan

Colin Perkins <csp@csperkins.org> Sun, 09 February 2020 22:46 UTC

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From: Colin Perkins <csp@csperkins.org>
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Date: Sun, 9 Feb 2020 22:46:44 +0000
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To: Dirk Kutscher <ietf@dkutscher.net>
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Subject: Re: [icnrg] Last Call: draft-irtf-icnrg-icnlowpan
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Dirk,

This looks to be a well-written and detailed specification for an ICN adaptation to LowPAN networks. 

Drafts to be published as RFCs in the IRTF stream need to include various notices, as described in RFC 5743 Section 2.1. Some of those notices look to be missing from this draft and will need to be added before it can be published. 

It’s also important for a draft to be published as an Experimental RFC to be clear about what experiment being performed. Section 10 of the draft includes a brief implementation report, describing experiments that have been conducted using this protocol, which is good, but the draft says very little about what experiments remain to be done and what can be learnt from further experimental deployment of this protocol. Would it be possible to add some additional context about how this fits with ongoing experiments in this space?

Regards,
Colin




> On 22 Jan 2020, at 08:42, Dirk Kutscher <ietf@dkutscher.net> wrote:
> 
> Hello ICNRG,
> 
> This is a last call for comments on draft-irtf-icnrg-icnlowpan (ICN Adaptation to LowPAN Networks (ICN LoWPAN)).
> 
> We want to publish this as an Experimental RFC. Please read it and let us know if you think there are issues. The last call ends on February 7th, i.e., 2.5 weeks from today.
> 
> https://datatracker.ietf.org/doc/draft-irtf-icnrg-icnlowpan/
> 
> Abstract
>   This document defines a convergence layer for CCNx and NDN over IEEE
>   802.15.4 LoWPAN networks.  A new frame format is specified to adapt
>   CCNx and NDN packets to the small MTU size of IEEE 802.15.4.  For
>   that, syntactic and semantic changes to the TLV-based header formats
>   are described.  To support compatibility with other LoWPAN
>   technologies that may coexist on a wireless medium, the dispatching
>   scheme provided by 6LoWPAN is extended to include new dispatch types
>   for CCNx and NDN.  Additionally, the link fragmentation component of
>   the 6LoWPAN dispatching framework is applied to ICN chunks.  In its
>   second part, the document defines stateless and stateful compression
>   schemes to improve efficiency on constrained links.  Stateless
>   compression reduces TLV expressions to static header fields for
>   common use cases.  Stateful compression schemes elide state local to
>   the LoWPAN and replace names in data packets by short local
>   identifiers.
> 
> 
> Best regards,
> Dirk on behalf of ICNRG chairs
> 
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-- 
Colin Perkins
https://csperkins.org/