Packet Delivery Deadline time in 6LoWPAN Routing Header
draft-lijo-6lo-expiration-time-04

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Last updated 2017-07-03
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6lo                                                          Lijo Thomas
Internet-Draft                                                     C-DAC
Intended status: Standards Track                               P. Akshay
Expires: January 4, 2018                     Indian Institute of Science
                                                      Satish Anamalamudi
                                         Huaiyin Institute of Technology
                                                             S.V.R.Anand
                                                            Malati Hegde
                                             Indian Institute of Science
                                                              C. Perkins
                                                               Futurewei
                                                            July 3, 2017

        Packet Delivery Deadline time in 6LoWPAN Routing Header
                   draft-lijo-6lo-expiration-time-04

Abstract

   This document specifies a new type for the 6LoWPAN routing header
   containing the delivery deadline time for data packets.  The deadline
   time enables forwarding and scheduling decisions for time critical
   IoT M2M applications that need deterministic delay guarantees over
   constrained networks and operate within time-synchronized networks.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on January 4, 2018.

Copyright Notice

   Copyright (c) 2017 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Lijo Thomas, et al.      Expires January 4, 2018                [Page 1]
Internet-Draft         6lo Delivery Deadline Time              July 2017

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  6LoRHE Generic Format . . . . . . . . . . . . . . . . . . . .   3
   4.  Deadline-6LoRHE . . . . . . . . . . . . . . . . . . . . . . .   3
   5.  Deadline-6LoRHE Format  . . . . . . . . . . . . . . . . . . .   4
   6.  Deadline-6LoRHE in Three Network Scenarios  . . . . . . . . .   6
     6.1.  Scenario 1: Endpoints in the same DODAG (N1) in non-
           storing mode. . . . . . . . . . . . . . . . . . . . . . .   6
     6.2.  Scenario 2: Endpoints in Networks with Dissimilar L2
           Technologies. . . . . . . . . . . . . . . . . . . . . . .   7
     6.3.  Scenario 3: Packet transmission across different DODAGs
           (N1 to N2). . . . . . . . . . . . . . . . . . . . . . . .   8
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   9
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .  10
   9.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  10
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .  10
     10.1.  Normative References . . . . . . . . . . . . . . . . . .  10
     10.2.  Informative References . . . . . . . . . . . . . . . . .  11
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  12

1.  Introduction

   Low Power and Lossy Networks (LLNs) are likely to be deployed for
   real time industrial applications requiring end-to-end delay
   guarantees [I-D.grossman-detnet-use-cases].  A Deterministic Network
   ("detnet") typically requires some data packets to reach their
   receivers within strict time bounds.  Intermediate nodes use the
   deadline information to make appropriate packet forwarding and
   scheduling decisions to meet the time bounds.

   The draft [I-D.ietf-roll-routing-dispatch] specifies the 6LoWPAN
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