Re: [6tisch] Typeof sixtop subIE:short or long

Thanks all for the comments! Then we will use the recommended format
(second one) on the plugtest!

Tengfei

On Mon, Jan 11, 2016 at 10:04 PM, Qin Wang <qinwang6top@yahoo.com> wrote:

> I think both of the two format are fine. But, if IEEE802.15 recommends the
> second one, I think we should choose the second.
>
> Thanks
> Qin
>
>
> On Monday, January 11, 2016 11:17 AM, "pat.kinney@kinneyconsultingllc.com"
> <pat.kinney@kinneyconsultingllc.com> wrote:
>
>
> Thank you for the figures, I agree on both, especially the second one.
> The advantages of the recommended approach are: one octet shorter for case
> of single subtype ID and 256 available subtype ID addresses for any length.
>
> Sincerely, Pat
>
> On 11, Jan2016, at 9:19, Tengfei Chang <tengfei.chang@gmail.com> wrote:
>
> Hi Pat, all,
>
> I would like to make sure whether this format will be the right format for
> the plugtest and everyone will agree. The attached is the document
> 15-15-0939-02.
>
> There are two options for the format we will use in the plugtest:
>
> 1. we use what defined in
> https://tools.ietf.org/html/draft-wang-6tisch-6top-sublayer-04, which use
> the format defined in
> IEEE802.15.4e-2012, section 5.2.4.3 (page 81). If we decide to use this
> one, we need short/ long type of the subIE.
>
>
> *Bits: 0-10*
> *11-14*
> *15*
> *Octets: 2*
> *32-35*
> *36-39*
> *40-47*
> *Octets*
> *Bits: 0-10*
> *11-14*
> *15*
> Payload IE Content Length
> Group ID
> Type (0b1)
> Length
> Sub-type ID
> Type
> Ver
> Code
> SFID
> other field
> Length
> (0x00)
> Group ID (0xf)
> Type (0b1)
> Payload IE
> Payload IE Content
> Payload Termination IE
>
>
> 2. we use what define in document 15-15-0939-02, which use the format
> defined in last page of the document:
> For example the 6P command defined in sublayer draft:
>
> the payload will be:
>
> *Bits: 0-10*
> *11-14*
> *15*
> *16-23*
> *24-27*
> *28-31*
> *32-39*
> *octets*
> *Bits: 0-10*
> *11-14*
> *15*
> Payload IE Content Length
> Group ID
> Type (0b1)
> Sub-type ID
> Ver
> Code
> SFID
> other field
> Length
> (0x00)
> Group ID (0xf)
> Type (0b1)
> Payload IE
> Payload IE Content
> Payload Termination IE
>
> Do we agree on the second one?
>
> Tengfei
>
> On Fri, Jan 8, 2016 at 5:56 PM, Tengfei Chang <tengfei.chang@gmail.com>
> wrote:
>
> I see. Thanks a lot Pat for the information! I found the document you
> mentioned. I will update the format in the Golden Images.
>
> Have a good day!
> Tengfei
>
> On Fri, Jan 8, 2016 at 5:25 PM, pat.kinney@kinneyconsultingllc.com <
> pat.kinney@kinneyconsultingllc.com> wrote:
>
> Tengfei;
>
> The IEEE 802.15 IG 6T recommended a format for sub-IEs in document
> 15-15-0939-02 sent to this reflector on 30 November 2015.  The following is
> an excerpt from that document:
> "Accordingly, the IEEE 802.15 IG 6T recommends that the IETF use an
> alternate scheme that restricts each Payload IE to only one sub-type ID and
> content, i.e. no nesting.  The advantages of this recommended scheme is
> that it eliminates one octet from the total Payload IE, it allows a full
> 256 sub-type IDs, and each sub-type length can be up to 2046 octets.”
> Therefore, if 6tisch adopts the above recommendation, there would be no
> long or short types.
>
> Pat
>
> Pat Kinney
> *Kinney Consulting LLC*
> IEEE 802.15 WG vice chair, SC chair
> ISA100 co-chair, ISA100.20 chair
> O: +1.847.960.3715
> pat.kinney@kinneyconsultingllc.com
>
> On 8, Jan2016, at 10:14, Tengfei Chang <tengfei.chang@gmail.com> wrote:
>
> Hello all,
>
> As I mentioned on the Call, the 6top sublayer draft seems didn't  define
> the type of subIE used by 6P command ,long or short type?  Let me know if I
> missed it from the draft! Thanks you!
>
> Regard,
> Tengfei
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> <15-15-0939-02-0000-IETF_6tisch_IE_Information.docx>
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