Dear Carles, >From my reading of 15.4e-2012, I reckon the text you suggest on DSME is >technically correct, and I second it. At the meeting in Dallas, I was also asking about the commercial significance of DSME. Does anybody know of equipment on the market today or under development that uses DSME? Just out of curiosity. I would think that those of this group that also go to 802.15 meetings would know who the forces behind DSME are, and what their intentions are. If we were to establish that DSME is not going to be used after all, at least not with an IP protocol stack, then adding the text that describes DSME in this draft would be a moot point. Best regards
Dominique -----Message d'origine----- De : Carles Gomez Montenegro [mailto:carle...@entel.upc.edu] Envoyé : mercredi 1 avril 2015 15:15 À : BARTHEL Dominique IMT/OLPS Cc : lwip@ietf.org; Jens Toftgaard Petersen (j...@rtx.dk); van de Logt, Marco <marco.van-de-l...@gigaset.com> (marco.van-de-l...@gigaset.com); Zach Shelby <zach.she...@arm.com> (zach.she...@arm.com); Peter Mariager (p...@rtx.dk) Objet : RE: [Lwip] I-D Action: draft-ietf-lwig-energy-efficient-02.txt Dear Dominique, Great, thanks a lot for your offer to provide the section on DECT-ULE! By the way, please let us know whether your request in Dallas to add text on the DSME mode of 15.4 would be satisfied by prepending the following text to the current last paragraph/sentence of 3.5.3: Another relevant 802.15.4e mode is the Deterministic and Synchronous Multi-channel Extension (DSME). This mode improves the CFP functionality in IEEE 802.15.4 by extending the number of time slots that can be reserved for contentionless data transmission, and allowing the use of frequency channel diversity (note that TSCH offers similar functionality). DSME also favors the formation of beacon-enabled multihop networks. DSME defines a structure by which the beacon interval comprises a number of multi-superframes. Each one of the latter comprises a number of superframes. Each superframe in DSME may contain a CAP interval and must contain at least one CFP interval. As in TSCH mode, during unscheduled CFP time slots, nodes may keep their radio in inactive mode to save energy. I believe once we add the text on DSME and the section on DECT-ULE, and after applying some further typo corrections, we will be ready for submitting a -03. Best regards, Carles > Dear Carles, WG, > > As I mentioned during the meeting in Dallas, we would like to add a > section 3.5.x on DECT-ULE. > We will provide text within about a week. > With best regards, > > Dominique > > -----Message d'origine----- > De : Lwip [mailto:lwip-boun...@ietf.org] De la part de Carles Gomez > Montenegro Envoyé : samedi 7 mars 2015 16:53 À : lwip@ietf.org Objet : > Re: [Lwip] I-D Action: draft-ietf-lwig-energy-efficient-02.txt > > Dear WG, > > As you have seen, version -02 of draft-ietf-lwig-energy-efficient is > now available. > > The main changes are: > > - The feedback collected during IETF'91 is now incorporated into the > document (mainly in subsection 6.2). > > - The "Cross Layer Optimization" section has been removed. > > - Subsections 3.3 and 3.4 have been added. > > - A new paragraph has been added in Subsection 3.5.1. > > - Other minor technical changes throughout the document. > > - Editorial improvements. > > > I would like to ask for a 15-min slot in Dallas to present this update. > > Thanks, > > Carles > > > >> A New Internet-Draft is available from the on-line Internet-Drafts >> directories. >> This draft is a work item of the Light-Weight Implementation >> Guidance Working Group of the IETF. >> >> Title : Energy Efficient Implementation of IETF >> Constrained Protocol Suite >> Authors : Zhen Cao >> Carles Gomez >> Matthias Kovatsch >> Hui Tian >> Xuan He >> Filename : draft-ietf-lwig-energy-efficient-02.txt >> Pages : 19 >> Date : 2015-03-07 >> >> Abstract: >> This document summarizes the problems and current practices of energy >> efficient protocol implementation on constrained devices, mostly >> about how to make the protocols within IETF scope behave energy >> friendly. This document also summarizes the impact of link layer >> protocol power saving behaviors to the upper layer protocols, so that >> they can coordinately make the system energy efficient. >> >> >> The IETF datatracker status page for this draft is: >> https://datatracker.ietf.org/doc/draft-ietf-lwig-energy-efficient/ >> >> There's also a htmlized version available at: >> http://tools.ietf.org/html/draft-ietf-lwig-energy-efficient-02 >> >> A diff from the previous version is available at: >> http://www.ietf.org/rfcdiff?url2=draft-ietf-lwig-energy-efficient-02 >> >> >> Please note that it may take a couple of minutes from the time of >> submission until the htmlized version and diff are available at >> tools.ietf.org. >> >> Internet-Drafts are also available by anonymous FTP at: >> ftp://ftp.ietf.org/internet-drafts/ >> >> _______________________________________________ >> Lwip mailing list >> Lwip@ietf.org >> https://www.ietf.org/mailman/listinfo/lwip >> > > > _______________________________________________ > Lwip mailing list > Lwip@ietf.org > https://www.ietf.org/mailman/listinfo/lwip > > ______________________________________________________________________ > ___________________________________________________ > > Ce message et ses pieces jointes peuvent contenir des informations > confidentielles ou privilegiees et ne doivent donc pas etre diffuses, > exploites ou copies sans autorisation. 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