Re: [6tisch] 6top-interface-04

Yes, I definitely understand the concept…I guess the language in the -04 draft tends to blend LinkOption and LinkType a bit, but your derivation of the usage makes sense – I would have probably stated that in the draft…”if the next active cell is an 802.15.4 advertisement slot, then the MUX module would only select a frame from a broadcast queue” – I guess I basically understood what you were talking about,  I was just curious about the derivation.  The same paragraph (at the beginning) uses the term “transmit cell” and then we use “broadcast cell” later on like the terms “transmit” and “broadcast” are from the same type enumeration.  Like I said, I do understand what you were trying to say, I’m just a big proponent of being very (almost overly) specific and not presuming (or requiring) too much context in the mind of the reader.

Thanks for the reply!
Randy

From: Qin Wang [mailto:qinwang6top@yahoo.com]
Sent: Wednesday, September 30, 2015 10:43 AM
To: Turner, Randy; 6tisch@ietf.org
Subject: Re: [6tisch] 6top-interface-04

Hi Randy,

In the IEEE802.15.4e, there are two attributes related with a cell, i.e. LinkOption and LinkType. LinkOption indicates TX, RX, Shared, or Timekeeping; and LinkType indicates Normal or Advertising. According to my understanding, if the attributes of a cell are set as LinkOption = TX and LinkType= ADVERTISING, then the cell can be used as Broadcast cell. Make sense?

Thanks
Qin

On Wednesday, September 30, 2015 10:18 AM, "Turner, Randy" <Randy.Turner@landisgyr.com<mailto:Randy.Turner@landisgyr.com>> wrote:

Hi All,

In the 6top 04 draft, section 3.2 “Data Transfer Model”,  there is text that says “…if the next active cell is a broadcast cell, it (the MUX module) selects a fragment only from broadcast queues.”

We have “TX, RX, Shared, and timekeeping cells”  - we don’t have “broadcast” cells labeled as such, or maybe I missed this somewhere.   Is there some cell “type” option that is a subclass of “TX” that I missed ?

Thanks!
Randy

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