6TiSCH Operation Sublayer (6top)
draft-wang-6tisch-6top-sublayer-00

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6TiSCH                                                      Q. Wang, Ed.
Internet-Draft                           Univ. of Sci. and Tech. Beijing
Intended status: Informational                             X. Vilajosana
Expires: August 18, 2014                 Universitat Oberta de Catalunya
                                                             T. Watteyne
                                                       Linear Technology
                                                       February 14, 2014

                    6TiSCH Operation Sublayer (6top)
                   draft-wang-6tisch-6top-sublayer-00

Abstract

   The recently published [IEEE802154e] standard formalizes the concept
   of link-layer resources in LLNs.  Nodes are synchronized and follow a
   schedule.  A cell in that schedule corresponds to an atomic link-
   layer resource, and can be allocated to any pair of neighbors in the
   network.  This allows the schedule to be built to tightly match each
   node's bandwidth, latency and energy constraints.  The [IEEE802154e]
   standard does not, however, present a mechanism to do so, as building
   and managing the schedule is out of scope of the standard.  This
   document describes the 6TiSCH Operation Sublayer (6top) and the
   commands it provides to upper network layers such as RPL or GMPLS.
   The set of functionalities includes feedback metrics from cell states
   so network layers can take routing decisions, TSCH configuration and
   control procedures, and the support for decentralized and centralized
   scheduling.  In addition, 6top can be configured to enable packet
   switching at layer 2.5, analogous to GMPLS.

Status of This Memo

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   This Internet-Draft will expire on August 18, 2014.

Wang, et al.             Expires August 18, 2014                [Page 1]
Internet-Draft            6tisch-6top-sublayer             February 2014

Copyright Notice

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   4
   2.  6TiSCH Operation Sublayer (6top) Overview . . . . . . . . . .   5
     2.1.  Cell Model  . . . . . . . . . . . . . . . . . . . . . . .   6
       2.1.1.  hard cells  . . . . . . . . . . . . . . . . . . . . .   7
       2.1.2.  soft cells  . . . . . . . . . . . . . . . . . . . . .   8
     2.2.  Data Transfer Model . . . . . . . . . . . . . . . . . . .   8
   3.  6top Commands . . . . . . . . . . . . . . . . . . . . . . . .  11
     3.1.  Cell Commands . . . . . . . . . . . . . . . . . . . . . .  13
       3.1.1.  CREATE.hardcell . . . . . . . . . . . . . . . . . . .  13
       3.1.2.  CREATE.softcell . . . . . . . . . . . . . . . . . . .  15
       3.1.3.  READ.cell . . . . . . . . . . . . . . . . . . . . . .  16
       3.1.4.  UPDATE.cell . . . . . . . . . . . . . . . . . . . . .  17
       3.1.5.  DELETE.hardcell . . . . . . . . . . . . . . . . . . .  17
       3.1.6.  DELETE.softcell . . . . . . . . . . . . . . . . . . .  18
       3.1.7.  REALLOCATE.softcell . . . . . . . . . . . . . . . . .  19
     3.2.  Slotframe Commands  . . . . . . . . . . . . . . . . . . .  19
       3.2.1.  CREATE.slotframe  . . . . . . . . . . . . . . . . . .  19
       3.2.2.  READ.slotframe  . . . . . . . . . . . . . . . . . . .  20
       3.2.3.  UPDATE.slotframe  . . . . . . . . . . . . . . . . . .  20
       3.2.4.  DELETE.slotframe  . . . . . . . . . . . . . . . . . .  21
     3.3.  Monitoring Commands . . . . . . . . . . . . . . . . . . .  22
       3.3.1.  CONFIGURE.monitoring  . . . . . . . . . . . . . . . .  22
       3.3.2.  READ.monitoring.status  . . . . . . . . . . . . . . .  22
     3.4.  Statistics Commands . . . . . . . . . . . . . . . . . . .  23
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