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Current monitor based systems have some disadvantages for multi-object operations. They require the programmers to (1) manually determine the order of locking operations, (2) manually determine the points of execution where threads should signal other threads, (3) use global locks or perform busy waiting for operations that depend upon a condition that spans multiple objects. Transactional memory...
Gulf Petrochemical Industries Company (GPIC), located in Sitra, Kingdom of Bahrain, operates a petrochemical complex consisting of a 1200 MTPD (metric tons per day) ammonia plant, a 1200 MTPD methanol plant, and a 1700 MTPD urea plant. GPIC selected a new dual-primary redundant automatic decoupling system (ADS) to island their system for external system disturbances. The as-built ADS was validated...
A mobile agent (MA) is an autonomous and identifiable software process that travels through a network of heterogeneous machines and acts autonomously on behalf of the user. Improving the survivability of MA in presence of various faults is the major issue concerned with implementation of MA. This paper presents a hierarchical fault tolerance protocol (HFTP) for mobile agents, which can tolerate host...
In a MANET, nodes provide a cooperative multi-hop forwarding functionality, so no specialized devices are required for routing packets. In such self-organized networks, forwarding packets for other nodes is not in the direct interest of any node, because nodes have to spend battery life, CPU cycles, and use the available network bandwidth to forward packets. So a node may refuse to forward packets...
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