Searching for authors named "Konstantinos Psounis" – sorted by Relevance.
22 documents found, showing 1 through 10.
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Scaling properties of IEEE 802.11 wireless networks
- …We consider a single-hop wireless network consisting of α · N sources, where α ≥ 1 is a scaling factor. These sources are randomly distributed around a single base-station/access-point and utilize the IEEE 802.11 standard for medium access control. The transmission speed of each node C, the minimum …
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Performance Analysis of Epidemic Routing under Contention
- …Epidemic routing has been proposed as a robust transmission scheme for sparse mobile ad hoc networks. Under the assumption of no contention, epidemic routing has the minimum end-to-end delay amongst all the routing schemes proposed for such networks. The assumption of no contention was justified by …
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Modeling spatially correlated data in sensor networks
- …The physical phenomena monitored by sensor networks, e.g. forest temperature, water contamination, usually yield sensed data that are strongly correlated in space. With this in mind, researchers have designed a large number of sensor network protocols and algorithms that attempt to exploit such corr…
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A Randomized Web-Cache Replacement Scheme
- …The problem of document replacement in web caches has received much attention in recent research, and it has been shown that the eviction rule "replace the least recently used document" performs poorly in web caches. Instead, it has been shown that using a combination of several criteria, such as th…
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Performance analysis of bittorrent-like systems in heterogeneous networks
- …Among all peer-to-peer (P2P) systems, BitTorrent seems to be the most prevalent one. This success has drawn a lot of research interest on the system. In particular, there have been many lines of research studying it’s scalability, performance, efficiency and fairness. However, despite the large body…
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An efficient algorithm for resource sharing in peer-to-peer networks
- …Abstract. The performance of peer-to-peer systems depends on the level of cooperation of the system’s participants. While most existing peer-to-peer architectures have assumed that users are generally cooperative, there is great evidence from widely deployed systems suggesting the opposite. To date,…
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A peer-to-peer cooperation enhancement scheme and its performance analysis, in
- …Abstract — The performance of peer-to-peer systems depends on the level of cooperation of the system’s participants. While most existing peer-to-peer architectures have assumed that users are generally cooperative, there is great evidence from widely deployed systems suggesting the opposite. To date…
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The Scaling Hypothesis: Simplifying the Prediction of Network Performance using Scaled-down Simulations
- …As the Internet grows, so do the complexity and computational requirements of network simulations. This leads either to unrealistic, or to prohibitely expensive simulation experiments.…
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SHRiNK: Enabling scaleable performance prediction and efficient simulation of networks
- …Abstract — As the Internet grows, it is becoming increasingly difficult to collect performance measurements of a network or a web-server farm, to monitor its state, and to perform simulations efficiently. Besides, the heterogeneity of the Internet makes it timeconsuming and difficult to devise traff…
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