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We propose and develop a novel virtual time reference system as a unifying scheduling framework to provide scalable support for guaranteed services. This virtual time reference system is designed as a conceptual framework upon which guaranteed services can be implemented in a scalable manner using the DiffServ paradigm. The key construct in the proposed(More)
Dihydrodiol dehydrogenase (DD; EC 1.3.1.20) catalyzes a novel pathway of polycyclic aromatic hydrocarbon (PAH) metabolism in which trans-dihydrodiols (proximate carcinogens) are oxidized to reactive o-quinones which are cytotoxic and genotoxic. In this study, the complementary DNA for rat liver DD was used to examine the structure and regulation of the DD(More)
A mode (ATM) offers much greater capacity than existing shared-medium local area networks (LANs). It is a flexible transport technology that can integrate all types of media such as voice, video, and data. Many of the key features of ATM have been standardized by the ATM Forum for the purpose of local area desktop computing. Various LAN vendors are actively(More)