Internet2's Breakthroughs for Academic Research
IEEE Distributed Systems Online
Signaling architectures and recovery time scaling for grid applications in IST Project MUPBED
IEEE Communications Magazine
Phosphorus grid-enabled GMPLS control plane (GMPLS): architectures, services, and interfaces
IEEE Communications Magazine
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Integration and full interoperability are challenging areas of research in wide area networks today. A European project, MUPBED, has recently concluded and achieved the main result of integrating and demonstrating technologies and network solutions that enable the operation of future European research infrastructures capable of supporting advanced applications. The achieved results are largely valid for any multidomain network scenario. The test network set up by the project is a prototype multidomain optical network able to provide connectivity on demand services across multiple domains directly driven by the applications. Rather than implementing ex novo a unified control plane and replacing existing equipment, the project approach has been to enable seamless interworking of different control planes by means of ASON/GMPLS and standardized network interfaces. This was done in accomplishment of the project target, which was to test and trial a common migration path toward the future European research network that should be followed by national research and education network operators, together with commercial operators. This article describes the main aspects of the MUPBED experience, which by its own peculiar nature provides deep insight into the most recent evolution of control-plane-enabled optical networking toward multidomain integration. Topics covered by the project and briefly related here include network architecture, applications, protocol and control software development, standardization issues, design, analysis and simulation, testing, measurement, and monitoring.