Carlie, Thanks a million for that. I will add a slide for the 6TiSCH call in 22min which contains your key points. Thomas
On Fri, Apr 14, 2017 at 3:35 PM, Charlie Perkins < [email protected]> wrote: > Hello folks, > > I have reviewed draft-ietf-6tisch-6top-protocol-04 (see attached). > > I didn't review the IANA considerations, but I did get through most of the > document. > > I think the document has issues, some technical, mostly editorial. They > can be easily fixed but some decisions have to be made. All of my comments > can be found in the attached output of 'rfcdiff'. The editorial > suggestions I mostly incorporated into a revised version of the file, which > is also visible in the output of 'rfcdiff'. If this is unclear, please let > me know. I think that there should be a new section for "Terminology", and > various TSCH, 6TiSCH, and 6top terms explained in that section for > convenience. > > Here are some of my technical comments about the document. Some of my > questions might arise from my own misunderstandings, in which case perhaps > a few more sentences or cross-references could be inserted for explanations. > > - ERR_EOL is defined as an error, but it is used as a flag for > protocol signaling > - Why is any negotiation needed for node A to delete cells? > - If a negotiation is needed, then isn't NumCells needed somewhere in > the message format? > - In Figure 13, If you have a Candidate CellList, don't you also need > "NumCandCells"? > - GEN and SeqNum play similar roles. The protocol could be cleaner if > their roles were combined. Plus you would have more bits, making rollover > far less frequent. > - Some of the suggestions for SF specification seem impractical. > - Not clear why LIST and COUNT are needed except possibly for reboot > or operating system errors. > - Not clear how to abort the CONFIRMATION step of a 3-step transaction. > - In Figure 14, is NumCells needed for the RELOCATE Response? > > Regards, > Charlie P. > > > > Regards, > Charlie P. > > _______________________________________________ > 6tisch mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/6tisch > > -- _______________________________________ Thomas Watteyne, PhD Research Scientist & Innovator, Inria Sr Networking Design Eng, Linear Tech Founder & co-lead, UC Berkeley OpenWSN Co-chair, IETF 6TiSCH www.thomaswatteyne.com _______________________________________
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