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We describe the multimedia teletutoring application jointly developed by EPFL and Eurecom in the context of the first 34 Mbits/s Trans-European ATM network interconnecting sites in France and Switzerland. This network was called the Broadband Exchange over Trans-European Links (BETEL). The aim of this paper is to describe the BETEL teletutoring platform and(More)
This paper describes the specification of a management architecture allowing virtual private network (VPN) customers to dynamically modify the configuration of their VPN. The specification has been structured according to the ODP viewpoints. A special emphasis has been laid on how changes in the logical VPN configuration affect or are reflected in the(More)
The complexity of networked systems calls for their management. The ODP framework based on viewpoints provides powerful concepts to support the specification and design of distributed systems, but without fully considering their management. In order for ODP to avoid re-inventing the wheel with regard to management, the results of network management(More)
–This paper presents the results of the implementation of a Virtual Private Network telecommunications service prototype and associated management services on a distributed platform. The specification thereof has been carried out according to the RACE II project R2041 PRISM Service Management Reference Configuration. The implementation of the service(More)
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