CARRIOCAS project studies and implements in a test bed a very high bit rate (up to 40 Gb/s per wavelength) network tailored for distributed applications. The investigations covers 40Gb/s component, systems and networking; network architecture, protocols and algorithms with a particular focus on application-network cooperation; and remote high resolution collaborative visualisation and distributed storage of massive volumes of data.

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We present the first step of integration and interoperation of heterogeneous IT and network services in the "Grid services over Telecom network" vision, and, in particular, the linkage between Grid Service Provider and network service provider in a mono-domain configuration.

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This paper illustrates one of the grid technology challenges-the claim that grid infrastructure will enable the utilization of unoccupied resources [3]. This vision embraces the notion of cloud computing services over telecom networks versus conventional computing techniques to the extent that it draws upon the feature of allowing users to submit their jobs without knowing the location where the tasks will be executed. The users pay only for what their tasks require in terms of computing capacities, as with electricity or water. The business model emphasizes that grid services must rely on first class telecom network