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Ant Colony Algorithm for Solving QoS Routing Problem 认领 引用 被引量：3
1
作者 SUNLi-iuan WANGLiang-jun WANGRu-chuan 《Wuhan University Journal of Natural Sciences》 EI CAS 2004年第4期449-453,共5页
Based on the state transition rule, the local updating rule and the global updating rule of ant colony algorithm, we propose an improved ant colony algorithm of the least\|cost quality of service (QoS) unicast routing... Based on the state transition rule, the local updating rule and the global updating rule of ant colony algorithm, we propose an improved ant colony algorithm of the least\|cost quality of service (QoS) unicast routing. The algorithm is used for solving the routing problem with delay, delay jitter, bandwidth, and packet loss\|constrained. In the simulation, about 52.33% ants find the successful QoS routing , and converge to the best. It is proved that the algorithm is efficient and effective. 展开更多
关键词 ant colony algorithm QoS unicast routing
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The Application of WSFL in the Parlay X Based Services Creation 认领 引用 被引量：5
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作者 SUNLi-juan DUXiao-gang TANGXin 《The Journal of China Universities of Posts and Telecommunications》 2005年第1期81-85,共5页
Parlay X is a set of simple and easy-understanding Application ProgrammingInterfaces (APIs), which abstract the fundamental functions of the telecommunication networks on thehigher layer than Parlay. Parlay X Web Serv... Parlay X is a set of simple and easy-understanding Application ProgrammingInterfaces (APIs), which abstract the fundamental functions of the telecommunication networks on thehigher layer than Parlay. Parlay X Web Service adopts Web Service technology to open services forIT developers to use in the applications they develop. In this paper, Web Service Flow Language(WSFL) is introduced to describe the services based on Parlay X Web Service, and an applicationinstance is presented. 展开更多
关键词 parlay X API web service XML WSFL
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Research on Mixed Encryption Authentication 认领 引用 被引量：5
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作者 SUNZhi-xin WANGRu-chuan WANGShao-di 《The Journal of China Universities of Posts and Telecommunications》 2003年第4期90-94,共5页
With the development of network techniques, the problem of network securityis also arising as we enjoy its open convenience. There are many developed methods to overcome thisproblem. Identity authentication is one of ... With the development of network techniques, the problem of network securityis also arising as we enjoy its open convenience. There are many developed methods to overcome thisproblem. Identity authentication is one of these important measures. The authentication methods oftraditional symmetric cryptogram systems and asymmetric cryptogram systems have both advantages anddefects. This paper brings forward a Mixed Encryption Model for Authentication ( MEMA), which hasobvious advantages compared to the two traditional methods. MEMA model can be used widely in openingnetwork environment such as mobile agent systems, multi-agents security safeguard systems and othersituations in which identity authentication of users are needed. At last, the paper also presentsthe MEMA model's structure and implementation of an experimental system. 展开更多
关键词 network security encryption authentication mixed encryption system
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Fitting VFC's Output Using Functionally Connected High-Order Neural Networks 认领 引用
4
作者 CHENGChun-ling ZHOUJie 《The Journal of China Universities of Posts and Telecommunications》 2004年第1期84-89,共6页
A new method is presented in this paper for fitting Voltage-to-Frequency Converter (VFC's) output functions by using Functionally Connected High-order Neural Networks (FCHNN). The nonlinear estimation is implement... A new method is presented in this paper for fitting Voltage-to-Frequency Converter (VFC's) output functions by using Functionally Connected High-order Neural Networks (FCHNN). The nonlinear estimation is implemented when the VFC110 is used at a full-scale output frequency of 4 MHz. Two kinds of on-line dynamic calibrating circuits are designed to improve the sampling precision. This method can also be applied to different industrial areas. 展开更多
关键词 VFC110 FCHNN nonlinear estimation dynamic calibration
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