Data Structures Committee

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NENA Development Group

 

MASTER GLOSSARY

The Data Structures Committee maintains legacy 9-1-1 data formats (such as ALI/MSAG)   and is responsible for the definition and maintenance of NG9-1-1 Functional Element interface specifications. As NG9-1-1 FE interfaces leverage existing open standards where possible, and NENA-defined standards are developed to be open, the Data Structures Committee is tasked with monitoring and providing input into standards developed by other organizations,   in addition to standards developed within NENA. Due to the complexity and breadth of the topics involved, document development is normally achieved by organizing a working group and gathering input from NENA members with specific technical and/or operational expertise.

Co-Chairs

Brooks Shannon
INdigital
260-469-2190

John Beasley
Ark-Tex Council Of Governments
903-255-3524             


Working Groups

  • NG9-1-1 Data Flow (Co-Chairs: Richard Muscat, Amy McDowell ENP): 
    A NENA NG9-1-1 Data Flow WG is forming regarding issues associated with NG9-1-1 data presentation at the PSAP and utilization of information that be part of or associated with NG9-1-1 calls. In NG9-1-1 a call may include a variety of different information. This WG will address the NG9-1-1 data flow process, which will be far richer than the ALI data used in E9-1-1. Issues to be addressed will include data flow and alternatives, timing, display and presentation issues and other related aspects involved in the flow of data and how to best address potential issues. The expected outcome would be a Standard(s) and/or other document(s) that would clearly define recommended structure and minimum content of data to be provided to the PSAP and other points under NG9-1-1 operations; transitioning from today’s legacy E9-1-1 process to NG9-1-1; and the development of other potential data sources that may be utilized by the PSAP. Individuals from a diverse set of skills, including PSAP operations, equipment manufacturers, IT specialist, incident command, and other aspects of public safety are encouraged to join this working group. 20161215-2_ISF NG9-1-1 Data Flow_ChrtrUpdtAppvd20171012

 

  • Schema Development:
    The NENA Data Structures Committee is seeking volunteers for the development of a whitepaper that will explore Representational State Transfer (REST) and JavaScript Object Notation (JSON). The whitepaper will be delivered to the NENA Development Steering Council (DSC) and NENA Staff to aid in their decision to adopt JSON as the format for NG9-1-1 data elements, instead of XML, and REST for NG9-1-1 web services instead of SOAP. The whitepaper will list advantages and disadvantages of the proposed changes, any issues with NIEM conformance, and recommendations regarding whether or not to adopt JSON and REST. If adoption of JSON and REST is recommended, the whitepaper will recommend a migration plan. All are welcome to join. The workgroup will particularly benefit from members with knowledge of, and experience working with, XML, JSON, REST, SOAP, and NIEM-conformant data schemas. Weekly calls will be held on Monday 12pm – 1pm ET.   20151007_ISF json REST_assigned 20151215_CharterAppvd20170627

  • GIS Data Model for NG9-1-1:
    This document defines the Geographic Information Systems (GIS) database model that will be used to support the NENA Next Generation 9-1-1 (NG9-1-1) systems, databases, call routing, call handling, and related processes. Calls are Wednesday's at 10:30 am to Noon ET,  20100429_NENA ISSUE 70a_46c_ NG9-1-1 GIS Data
  • Class of Service (COS):
    A Class of Service WG has been organized to address changes that may be required within NENA documents to support emerging call types and the appropriate Class of Service (COS) values to identify them. The WG will begin, initially, on a review of COS within the context of E9-1-1 and recommend changes to impacted NENA documentation. Once complete with this initial process, the WG will then consider the importance of COS within the context of NG9-1-1 and recommend any changes to relevant NG9-1-1 documentation. Calls are Tuesday's at 11 am ET for 1 hour.

 

 

Standards & Documents for this Committee