Shahrzade Mazaher

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We present a component-oriented approach to demonstrate the use of the Unified Modeling Language (UML) and Open Distributed Processing (ODP) concepts to design service components of a telecommunications management system. This paper is based on the work done in the design phase of the ACTS project " TRUMPET " (Inter-Domain Management with Integrity). This(More)
This paper describes the service-level management architecture, developed to support the aims of the TRUMPET (DGXIIIB, AC112) project: to investigate secure, high integrity interactions between administratively separate bodies providing broadband telecommunications services. To investigate these issues a system was designed that included a number of(More)
Sammendrag/Abstract: In this report, an overview of the state of the art in Public Key Infrastructure (PKI) is given. Public key cryptography is briefly explained and the infrastructure needed to support it and issues that hinder its widespread usage are discussed. An alternative approach to the problem domain, the Simple Public Key Infrastructure (SPKI),(More)
When developing large distributed systems, the final transformation steps toward executable components (targeting) are usually complex and platform dependent. The ODP Engineering Model provides a framework for alleviating this situation, but methods and tools that realize its potential are still lacking. This paper gives an example of a distribution(More)
Norsk Regnesentral Norsk Regnesentral (Norwegian Computing Center, NR) is a private, independent, non-profit foundation established in 1952. NR carries out contract research and development projects in the areas of information and communication technology and applied statistical modeling. The clients are a broad range of industrial, commercial and public(More)
We look into grid technologies with respect to applications and implementations. Grid technologies promise to make various resources available seamlessly, allowing a more secure operation at lower costs. The key to grid is resource sharing, which leads to a virtualisation of organisations and resources. Besides a definition of the grid technology we take a(More)
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