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Overlay服务网络上的服务组合模型 被引量:3

Service Composition Problem on Overlay Service Network
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摘要 分析了在Overlay服务网络上进行服务组合的必要性,指出了在进行组合时服务次序约束所带来的特定困难,进而给出了服务次序约束的形式化定义以及带OoS组播路由问题的数学优化模型。借助于罚函数的方法,将服务次序约束条件吸收到目标函数中,从而可以用求解一般组播优化模型的算法来求解新模型。 This paper analyzes the necessity for combining services and the particular difficulties considering order of service constraints, and proposes the formal definition of order of service (OoS) and a programming model for multicast routing problem with OoS-constraints in the overlay network environment. Penalty-function method is employed and the OoS-constraints are integrated into the objective function, resulting in that many algorithms for general multicast model can be used to solve the proposed OoS-multicast model.
出处 《计算机工程》 CAS CSCD 北大核心 2007年第7期25-27,共3页 Computer Engineering
基金 高等学校博士学科专项科研基金资助项目(20030290003)
关键词 Overlay服务网络 服务次序 组播 罚函数方法 Overlay service network Order of service (OoS) Multicast: Penalty-function method
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参考文献5

  • 1Li Zhi,Mohapatra P.Impact of Topology on Overlay Routing Service[Z].http://www.ieee-infocom.org/2004/Papers/09_1.PDF.
  • 2Andersen D H,Balakrishnan H,Kaashoek M F,et al.Resilient Overlay Networks[C]//Proceedings of the 18^th ACM Symposium on Operating Systems Principles,Banff,Canada.2001-10:131-145.
  • 3Li Zhi,Mohapatra P.QRON:QoS-aware Routing in Overlay Networks[J].IEEE Journal on Selected Areas in Communications,2004,22(1):29-40.
  • 4Xu D,Nahrstedt K.Finding Service Paths in a Media Service Proxy Network[C]//Proceedings of the ACM/SPIE Conference on Multimedia Computing and Networking.2002-01:171-185.
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