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
[email protected] <mailto:[email protected]>

On 8, Jan2016, at 10:14, Tengfei Chang <[email protected]> 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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