In a hybrid peer-to-peer (P2P) system, flooding and DHT are both employed for content locating. The decision to use flooding or DHT largely depends on the population of desired data. Previous works either use local in...
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The proceedings contain 36 papers. The topics discussed include: spatial awareness of digital artefacts;an extensible collision avoidance model for realistic self-driven autonomous agents;collision detection and force...
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ISBN:
(纸本)0769530117
The proceedings contain 36 papers. The topics discussed include: spatial awareness of digital artefacts;an extensible collision avoidance model for realistic self-driven autonomous agents;collision detection and force response in highly detailed point-based hapto-visual virtual environments;performance enhancement in MMOGs using entity types;a visibility-driven approach to managing interest in distributed simulations with dynamic load balancing;real-time task scheduling extended overloading technique for multiprocessor systems;federate migration in a service oriented HLA RTI;distributed virtual reality in education;a grammar-based Web service enabling multi-domain distributed interoperation of command/control and simulation systems;a lightweight heuristic-based mechanism for collecting committed consistent global states in optimistic simulation;and efficient analysis of simultaneous events in distributed simulation.
In this paper, an almost peer-to-peer (AP2P) clock synchronization protocol is proposed. AP2P is almost peer-to-peer in the sense that it provides the desirable features of a purely hierarchical (client/server) clock ...
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Communication delay is a key source of uncertainty in distributed systems. Existing approaches to reduce this uncertainty focus on maintaining sufficient surplus bandwidth;applications, on their part, are designed in ...
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Replicating data objects onto servers across a system can alleviate access delays. The selection of data objects and servers requires solving a constraint optimization problem, which is NP-complete in general. A major...
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Many scientific applications running on today's supercomputers deal with increasingly large data sets and are correspondingly bottlenecked by the time it takes to read or write the data from/to the file system. We...
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Due to the complexity associated with developing parallel applications, scientists and engineers rely on high-level software libraries such as PETSc, ScaLAPACK and PESSL to ease this task. Such libraries assist develo...
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Chip Multiprocessors (CMPs) and Simultaneous Multithreading (SMT) processors provide high performance but put more pressure on the memory interface than their single-thread counterparts. The "memory wall" pr...
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The proceedings contain 5 papers. The topics discussed include: enabling rapid development of parallel tree search applications;challenges in executing large parameter sweep studies across widely distributed computing...
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ISBN:
(纸本)1595937145
The proceedings contain 5 papers. The topics discussed include: enabling rapid development of parallel tree search applications;challenges in executing large parameter sweep studies across widely distributed computing environments;hyperscaling of plasma turbulence simulations in DEISA;WISDOM-II: a large in silico docking effort for finding novel hits against malaria using computational grid infrastructure;and efficient processing of pathological images using the grid: computer-aided prognosis of neuroblastoma.
Peer-to-Peer (P2P) reputation systems are needed to evaluate the trustworthiness of participating peers and to combat selfish and malicious peer behaviors. The reputation system collects locally generated peer feedbac...
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