Computer Science Department
School of Computer Science, Carnegie Mellon University


A Feasibility Study of the HLA Bridge

Juergen Dingel*, David Garlan, Craig A. Damon**

March 2001

Keywords: Component integration standards, distributed remodeling and simulations, High-Level Architecture, Run-Time Infrastructure, bridge federate

The High-Level Architecture (HLA) provides a common architecture for distributed modeling and simulation. In its original form the HLA allows a number of simulations to be joined together into a federation using a single run time infrastructure. Recently there has been an interest in joining multiple such federations together using a mediating unit, called an HLA "bridge." This document presents an in-depth study of the feasibility of an HLA bridge in the context of the current HLA interface specification. The results are summarized on two levels. First, we identify general classes of problems and solutions. Second, we provide a detailed discussion of the desired behavior of selected service protocols in the presence of a bridge federate.

41 pages

*Queen's University
**University of Vermont

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