IPv6 over BLUETOOTH(R) Low Energy Mesh Networks
draft-gomez-6lo-blemesh-01

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Last updated 2016-07-05
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6Lo Working Group                                               C. Gomez
Internet-Draft                                               S. Darroudi
Intended status: Standards Track                               UPC/i2cat
Expires: January 6, 2017                                   T. Savolainen
                                                                   Nokia
                                                            July 5, 2016

            IPv6 over BLUETOOTH(R) Low Energy Mesh Networks
                       draft-gomez-6lo-blemesh-01

Abstract

   RFC 7668 describes the adaptation of 6LoWPAN techniques to enable
   IPv6 over Bluetooth low energy networks that follow the star
   topology.  However, recent Bluetooth specifications allow the
   formation of extended topologies as well.  This document defines how
   IPv6 is transported over Bluetooth low energy mesh networks.

Status of This Memo

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   This Internet-Draft will expire on January 6, 2017.

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   Copyright (c) 2016 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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Gomez, et al.            Expires January 6, 2017                [Page 1]
Internet-Draft    IPv6 over Bluetooth LE mesh networks         July 2016

   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Terminology and Requirements Language . . . . . . . . . .   3
   2.  Bluetooth LE Mesh Networks  . . . . . . . . . . . . . . . . .   3
   3.  Specification of IPv6 over Bluetooth LE mesh networks . . . .   3
     3.1.  Protocol stack  . . . . . . . . . . . . . . . . . . . . .   3
     3.2.  Subnet model  . . . . . . . . . . . . . . . . . . . . . .   4
     3.3.  Link model  . . . . . . . . . . . . . . . . . . . . . . .   5
       3.3.1.  Stateless address autoconfiguration . . . . . . . . .   5
       3.3.2.  Neighbor Discovery  . . . . . . . . . . . . . . . . .   5
       3.3.3.  Header compression  . . . . . . . . . . . . . . . . .   6
       3.3.4.  Unicast and multicast mapping . . . . . . . . . . . .   7
   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   8
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
   6.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   8
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   8
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .   8
     7.2.  Informative References  . . . . . . . . . . . . . . . . .   9
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   9

1.  Introduction

   Bluetooth low energy (hereinafter, Bluetooth LE) was first introduced
   in the Bluetooth 4.0 specification.  Bluetooth LE (which has been
   marketed as Bluetooth Smart) is a low-power wireless technology
   designed for short-range control and monitoring applications.
   Bluetooth LE is currently implemented in a wide range of consumer
   electronics devices, such as smartphones and wearable devices.  Given
   the high potential of this technology for the Internet of Things, the
   Bluetooth Special Interest Group (Bluetooth SIG) and the IETF have
   produced specifications in order to enable IPv6 over Bluetooth LE,
   such as the Internet Protocol Support Profile (IPSP) [IPSP], and RFC
   7668, respectively.  Bluetooth 4.0 only supports Bluetooth LE
   networks that follow the star topology.  In consequence, RFC 7668 was
   specifically developed and optimized for that type of network
   topology.  However, subsequent Bluetooth specifications allow the
   formation of extended topologies [BTCorev4.1], such as the mesh
   topology.  The functionality described in RFC 7668 is not sufficient
   and would fail to enable IPv6 over Bluetooth LE mesh networks.  This
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