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Chapter and Conference Paper
A Study on Efficient Key Management in Real Time Wireless Sensor Network
Sensor network technique consists that collecting information, transfer data by sensor nodes and that control sink node. But this sensor node has limited energy power and computing capability, so it has big pr...
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Chapter and Conference Paper
A Map** Algorithm for Quality Guaranteed Network Design Based on DiffServ over MPLS Model over UMTS Packet Network
Previous researches are restricted to scalability or complexity of implementation and are occurred both a high transmission delay and a delay variation resulted from resource reservation over UMTS packet netwo...
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Chapter and Conference Paper
Placement Algorithm of Web Server Replicas
Recently, contents distribution technologies have been used to cope with the explosive demand for Web services. In this paper, we addressed the issue of the optimal placement of replicas in the environment whe...
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Chapter and Conference Paper
Robust Authentication of Multimedia Stream over Multicast Network
In multicast environment, data loss is occurred frequently during transmission, so we should consider the loss in real-time message’s authentication. We propose robust loss tolerate scheme. We solve previous s...
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Chapter and Conference Paper
Error Recovery Algorithm for Multimedia Stream in the Tree-Based Multicast Environments
This paper describes Tree-based Multicast System which leverages Preceding Error Recovery(PER) algorithm and Media Controller(MC). This mechanism solves jitter and delay problem by reducing control packets ove...