Implementation of data distribution management services in a service oriented HLA RTI

  • Authors:
  • Ke Pan;Stephen John Turner;Wentong Cai;Zengxiang Li

  • Affiliations:
  • Nanyang Technological University, Singapore;Nanyang Technological University, Singapore;Nanyang Technological University, Singapore;Nanyang Technological University, Singapore

  • Venue:
  • Winter Simulation Conference
  • Year:
  • 2009

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Abstract

Simulation is a low cost and safe alternative to solve complex problems in various areas. To promote reuse and interoperability of simulation applications and link geographically dispersed simulation components, distributed simulation was introduced. The High Level Architecture (HLA) is the IEEE standard for distributed simulation. The actual implementation of the HLA standard is provided by a Run Time Infrastructure (RTI). The HLA defines six service groups. Its Data Distribution Management (DDM) service group aims at optimizing communication efficiency between simulation components and there are various approaches for DDM implementation. We have previously developed a Service Oriented HLA RTI (SOHR) which enables distributed simulations to be conducted across administrated domains on the Grid. It maps the six HLA service groups into different management services and creates a plug-and-play paradigm for an HLA RTI implementation so that different approaches for a service group can be easily implemented into SOHR. To demonstrate the plug-and-play paradigm, this paper discusses the implementation of two DDM approaches, the grid-based approach and an extended efficient sort-based approach, in SOHR. Experiments have also been carried out to compare their performance in different scenarios.