DNS usage in LPWAN
draft-balakrichenan-lpwan-dns-usage-00

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lpwan                                              S. Balakrichenan, Ed.
Internet-Draft                                                     AFNIC
Intended status: Experimental                          December 31, 2018
Expires: July 4, 2019

                           DNS usage in LPWAN
                 draft-balakrichenan-lpwan-dns-usage-00

Abstract

   DNS protocol and the database are used extensively in the Internet.
   Usage of DNS in the constrained devices or network is still nascent.
   This document describes how DNS could be used in a constrained
   scenario such as the LPWAN.

Status of This Memo

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

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
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   This Internet-Draft will expire on July 4, 2019.

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   Copyright (c) 2018 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Names as Identifiers  . . . . . . . . . . . . . . . . . . . .   2
   3.  Retrieving the context information via DNS  . . . . . . . . .   3
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .   3
   5.  Privacy  Considerations . . . . . . . . . . . . . . . . . . .   3
   6.  Operational Considerations  . . . . . . . . . . . . . . . . .   4
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   4
   8.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   4
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   4
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .   4
     9.2.  Informative References  . . . . . . . . . . . . . . . . .   4
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .   4

1.  Introduction

   [RFC8376] ] states that the goal of the LPWAN WG is to, where
   necessary, adapt IETF-defined protocols, addressing schemes, and
   naming conventions to LPWAN.

   Domain names (i.e. the Internet naming convention) in association
   with the DNS (i.e. the Internet naming authority and Server) are
   introduced in the Internet not only because that humans remember
   names better than numbers but also for operational facilities.

   This is a preliminary document elaborating on how DNS could be used
   in constrained scenarios such as LPWAN.  The initial ideas that have
   been presented will be elaborated.

2.  Names as Identifiers

   Like in all networks, LPWAN has two identifier types - i.e. the
   unique identifier representing the source and the unique identifier
   representing the destination, within the scope of that network.

   For example, In LoRaWAN, the source is represented by the DevEUI
   (i.e. the device address) and the destination corresponding to the
   source is represented by the JoinEUI (i.e. the Join Server address)
   and the AppEUI (i.e. the Application server address).  Naturally, the
   source and the destination information are sent as part of the packet
   header.  These different addresses are constructed using the IEEE-
   EUI-64 format.

   As in the Internet, there are multiple advantages in using domain
   names instead of IEEE defined 64 bit identifiers for representing
   either the source or the destination or both.  As per the LoRa
   specifications, the JoinEUI is converted to a domain name to identify

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   the Join Server IP address in the case of OTAA (Over the Air
   Activation) or roaming.

   This section describes how identifiers in the LPWAN could be
   configurable to a domain name.  The device sends the source and
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