Next-Generation Vehicle-Initiated Emergency Calls
draft-ietf-ecrit-car-crash-21

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Document Type Active Internet-Draft (ecrit WG)
Last updated 2017-01-11
Replaces draft-gellens-ecrit-car-crash
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ECRIT                                                         R. Gellens
Internet-Draft                                Core Technology Consulting
Intended status: Standards Track                                B. Rosen
Expires: July 15, 2017                                     NeuStar, Inc.
                                                           H. Tschofenig
                                                              Individual
                                                        January 11, 2017

           Next-Generation Vehicle-Initiated Emergency Calls
                   draft-ietf-ecrit-car-crash-21.txt

Abstract

   This document describes how to use IP-based emergency services
   mechanisms to support the next generation of emergency calls placed
   by vehicles (automatically in the event of a crash or serious
   incident, or manually invoked by a vehicle occupant) and conveying
   vehicle, sensor, and location data related to the crash or incident.
   Such calls are often referred to as "Automatic Crash Notification"
   (ACN), or "Advanced Automatic Crash Notification" (AACN), even in the
   case of manual trigger.  The "Advanced" qualifier refers to the
   ability to carry a richer set of data.

   This document also registers a MIME media type and Emergency Call
   Additional Data Block for the vehicle, sensor, and location data
   (often referred to as "crash data" even though there is not
   necessarily a crash) and a SIP INFO package to enable carrying this
   and related data in SIP INFO requests.  An external specification for
   the data format, contents, and structure are referenced in this
   document.

   This document reuses the technical aspects of next-generation pan-
   European eCall (a mandated and standardized system for emergency
   calls by in-vehicle systems within Europe and other regions).
   However, this document specifies use of a different set of vehicle
   (crash) data, specifically, the Vehicle Emergency Data Set (VEDS)
   rather than the eCall Minimum Set of Data (MSD).  This document is an
   extension of the IETF eCall document, with the primary differences
   being that this document makes the MSD data set optional and VEDS
   mandatory, and adds attribute values to the metadata/control object
   to permit greater functionality.  This document registers a new SIP
   INFO package (identical to that registered for eCall but with the
   addition of the VEDS MIME type).  This document also describes legacy
   (circuit-switched) ACN systems and their migration to next-generation
   emergency calling, to provide background information and context.

Gellens, et al.           Expires July 15, 2017                 [Page 1]
Internet-Draft      Vehicle-Initiated Emergency Calls       January 2017

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
   working documents as Internet-Drafts.  The list of current Internet-
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   Internet-Drafts are draft documents valid for a maximum of six months
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   This Internet-Draft will expire on July 15, 2017.

Copyright Notice

   Copyright (c) 2017 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
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
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   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   4
   3.  Document Scope  . . . . . . . . . . . . . . . . . . . . . . .   7
   4.  Overview of Legacy Deployment Models  . . . . . . . . . . . .   8
   5.  Migration to Next-Generation  . . . . . . . . . . . . . . . .   9
   6.  Vehicle Data  . . . . . . . . . . . . . . . . . . . . . . . .  12
   7.  Data Transport  . . . . . . . . . . . . . . . . . . . . . . .  13
   8.  Call Setup  . . . . . . . . . . . . . . . . . . . . . . . . .  15
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