作者：
Shaikh, Fayaz A.McClellan, StanCenter of Telecommunications
Education and Research Department of Electrical and Computer Engineering University of Alabama at Birmingham 1150 Tenth Avenue South BEC 253 BirminghamAL35294-4461 United States IP Architecture Group
Technology and Systems Engineering Compaq Telecommunications 1255 West Fifteenth Street Suite 8000 PlanoTX75075 United States
The primary challenges in the deployment of Voice over Internet Protocol technology include Quality of Service (QoS) guarantees in the form of stringent bounds on end-to-end delay, jitter and loss, as well as rigorous...
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Studies an aspect of detection and isolation delays which has been ignored in many papers in this area. Surprising since it is highly relevant from a practical point of view. In continuous-time systems this is not a s...
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Studies an aspect of detection and isolation delays which has been ignored in many papers in this area. Surprising since it is highly relevant from a practical point of view. In continuous-time systems this is not a serious matter since we can always guarantee an arbitrary small delay and nearly all designs in the literature yield this arbitrary small delay. However, for discrete-time systems the situation is different and by designing specifically to reduce the detection or isolation delay we can get better results compared to most designs as available in the literature.
Many distributed applications executed on networks of workstations (NOWs) require the interconnection network to provide some quality of service (QoS) support. These networks must be able to support topology changes (...
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Networks of Workstations (NOWs) are usually arranged as a set of interconnected switches with hosts connected to switch ports through interface cards. Several commercial interconnects for high-speed NOWs use up✶/down✶...
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This paper describes the results of testing 50 single inline memory modules (SIMMs) each containing 16 16 Mbit DRAM chips (DUTs); 39 SIMMs failed, and of the 800 DUTs, 116 failed. In total 54 different test algorithms...
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This paper describes the results of testing 50 single inline memory modules (SIMMs) each containing 16 16 Mbit DRAM chips (DUTs); 39 SIMMs failed, and of the 800 DUTs, 116 failed. In total 54 different test algorithms have been applied, using up to 168 different stress combinations for each test. The results show that GAL9R is the best test. Furthermore, it is shown that burst mode tests detect a completely different class of faults as compared with traditional word mode tests, and that tests with address scrambling enabled the detection of more faults.
If we are stepping out of windows (of the GUI kind), what are we stepping into? We suggest it is into cooperative buildings. For the foreseeable future, at least, we can identify two major characteristics of the coope...
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If we are stepping out of windows (of the GUI kind), what are we stepping into? We suggest it is into cooperative buildings. For the foreseeable future, at least, we can identify two major characteristics of the cooperative building. The spaces of the building will be augmented in various ways, providing an ambient environment that bridges spatial discontinuities in workgroups and provides a continuous window into the state of the virtual world. Secondly, the ways in which the spaces themselves are used will evolve to be more congruent with the fluid, dynamic and distributed nature of the work taking place in the building. These two characteristics are deeply interconnected. This evolution need not happen entirely in the physical world; the essence of a cooperative building will become the way in which it mixes both physical and virtual affordances to support the workaday activities of its inhabitants.
The primary goal of the Multimedia Router (MMR) project is the design and implementation of a router optimized for multimedia applications. The router is targeted for use in cluster and LAN interconnection networks wh...
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The primary goal of the Multimedia Router (MMR) project is the design and implementation of a router optimized for multimedia applications. The router is targeted for use in cluster and LAN interconnection networks which offer different constraints and therefore differing router solutions than WANs. This paper describes and evaluates a switch scheduling algorithm based on a priority biasing scheme for dynamically updating the priorities of the connections established through the router. Unlike existing schemes that simply use the age of a flit as its priority, the novel feature of the proposed approach is that the priority is biased using the measured quality of service (QoS) values for the connection. Furthermore, the structure of the switch scheduling algorithm is motivated by opportunities for pipelined and concurrent operation so that scheduling decisions could be made at switching speeds. The performance of two of the many possible biasing functions is evaluated.
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