This paper presents an integrated but open product development environment for distributed and collaborative design. The web-based framework, called DOME, allows designers to build integrated models using both local and distributed resources and to collaborate by exchanging services. Thus, an integrated model can be created while each participant focuses on their own area of expertise. A design model is created by connecting modules, each of which can represent specific components, analysis capabilities/software, disciplines, or organizations relevant to the problem. The modules interact with each other using service exchanges based upon the CORBA standard communication protocol for distributed objects. The resulting module network forms a concurrent model in which changes propagate through service exchanges. Modules can simultaneously function as both clients (using services from other modules) and servers (providing services to other modules). A Java applet-based user interface provides cross-platform and distributed user access to DOME module servers throughout the network.

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