Weiqun Sun

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Generalized Multi-Protocol Label Switching (GMPLS) is one of the most promising candidate technologies for a future data transmission network. GMPLS has been developed to control and operate different kinds of network elements, such as conventional routers, switches, Dense Wavelength Division Multiplexing (DWDM) systems, Add-Drop Multiplexers (ADMs),(More)
The ability to construct dynamic, flexible virtual organizations becomes one of the most desired features of a distributed application system. This paper proposes an agent-mediated service framework for constructing virtual organizations at the business level. Through dynamic matching between business services and Web services, and the negotiation between(More)
Service-oriented applications are naturally linked to virtual organizations (VO) that are used as an effective means to support collaboration across multiple autonomous domains. Participating domains of a VO may change their authorization policies for many reasons, which can bring conflicts to the VO's authorization policies and lead to unavailability of(More)
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