On the Move to Meaningful Internet Systems 2006: CoopIS, DOA, GADA, and ODBASE

Volume 4276 of the series Lecture Notes in Computer Science pp 1522-1540

A Specification-to-Deployment Architecture for Overlay Networks

  • Stefan BehnelAffiliated withDatabases and Distributed Systems Group, Darmstadt University of Technology (TUD)
  • , Alejandro BuchmannAffiliated withDatabases and Distributed Systems Group, Darmstadt University of Technology (TUD)
  • , Paul GraceAffiliated withComputing Department, Lancaster University
  • , Barry PorterAffiliated withComputing Department, Lancaster University
  • , Geoff CoulsonAffiliated withComputing Department, Lancaster University

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Implementing overlay software is non-trivial and time-consuming. Current projects build overlays or intermediate frameworks on top of low-level networking abstractions. This leads to far reaching incompatibilities between overlay implementations, tight coupling to frameworks and limited adaptability to different deployment environments.

We present a new approach to rapid overlay implementation that combines a modelling framework for overlay design with a dynamic component architecture for run-time adaptation. It is the first architecture in the overlay area that tackles the complete design process from modelling, through code generation and implementation down to adaptive deployment. To demonstrate the effectiveness of this architecture, we describe the step-by-step procedure of designing an overlay and deploying it within an adaptive middleware framework.