Tool Integration & Model Lifecycle Management Working Group

Provides a forum for discussion of best practices, methods and processes that promote the development, validation and deployment of standards to advance data exchange capability of digital data created during a product development lifecycle.

Working Group Purpose & Mission


The Tool Integration and Model Lifecyle Management WG provides a forum for discussion and dissemination of best practices, methods and processes that promote the development, the validation and the deployment of standards to advance the exchange of digital data between MBSE tools and toolsets.

Transformation Enablers

TechOps Domain






John Nallon


Mark Williams

Gregory Pollari



The TIMLM WG is focused on the interoperability of tools, data, models and processes as they relate to a Systems Engineering process and methods throughout the acquisition and product development life cycles. The TIMLM collaborates with standards organizations such as PDES Inc., LOTAR, other STEP organizations and the INCOSE Standards Development Department to advance the data exchange standards to meet our stakeholders needs.


  • To provide the systems engineering community a reliable source of information about tool data exchange standards used during the execution of their business processes in the product lifecycle.
  • To collaborate with data exchange standards organizations and other supporting INCOSE Working Groups to characterize systems engineering tool integration and interoperability requirements for tools and data standards for the exchange of Model Based Systems Engineering (MBSE) digital artifacts.
  • To promote the development, validation and deployment of standards that advance the interoperability, storage, archival and retrieval of digital data and artifacts produced by systems engineering processes.
  • To provide a forum for the discussion and dissemination of information regarding tool interoperability, data exchange, use cases for applying  data exchange and interoperability standards and discussing interoperability accomplishments of in our systems engineering community

Activities and Coming Events

  1. Four PDES MBSE and LOTAR MBSE Workshops were conducted in 2023 covering NAS 9300 Part 500 documentation product development, Boeing - MIC to AP243 Mapping, Data Exchange Solutions, Modelica, FMI and SSP for LOTAR models, SysMl v2 review (Friedenthal); using AP243 (MoSSEC), examples of archiving models (LOTAR). Notes and summaries available on request and on our Viva Exchange site.
  2. The next Quarterly MBSE for PDES and LOTAR Workshop is being held in the First Quarter (TBD). Virtual meetings will be available.  Stay tuned to our Viva Engage site for details.
  3. PDES/LOTAR/TIMLM meetings are held weekly every Wednesday from 08:30 to 10:00 AM (Central Time USA).
  4. ISO-10303-AP243 (MoSSEC) has been approved by ISO and released to the public. PDES/INCOSE/LOTAR has embraced this standard for model exchange and is updating all specifications and standards accordingly.
  5. The Model Portfolio Management Guideline has been submitted for publication as a working group and INCOSE product and is scheduled for release at IW 2024.

IW24: International Workshop Planning

At IW 2024 we will continue our  MoSSEC Workshop on Sunday afternoon, January 28th. A MoSSEC* update and several open discussions on the MoSSEC standard impact to tools and processes, interaction with other standards and potential use cases will be conducted.  

On Monday, January 29th we will have numerous presentations from 13:00 to 17:30 from other organizations and companies including Boeing, Airbus, Modelon, AFIS/AFNet and PDES Inc.

Stay tuned for further details and check the event schedule at to keep up to date on the activities.

*MoSSEC: Modelling and Simulation information in a Collaborative Systems Engineering Context

Planned Activities

  1. Publish the Model Portfolio Management Guide for INCOSE publication. (Pending January 2024)
  2. Continue working with PDES and LOTAR to modernize the NAS 9300 series data standards to meet the needs of MBSE.
  3. Continue weekly collaboration meetings.
  4. First Quarter 2024 Workshop (TBD).
  5. Support for the emerging MoSSEC implementations and User forums

Planned Work Products

  • INCOSE Model Portfolio Management Guide
  • NAS9300 - 500 series MBSE based LOTAR standard.
  • Quarterly virtual workshops and 2 PDES/LOTAR in person workshops.
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