¡¡Chinese Journal of Computers   Full Text
  TitleStudy on Trust Evaluation Based Resource Scheduling in iVCE
  AuthorsDENG Xiao-Heng1),2) LU Xi-Cheng1) WANG Huai-Min1)
  Address1)(National Key Laboratory for Parallel and Distributed Processing, School of Computer, National University of Defense Technology, Changsha 410073)
2)(College of Information Science and Technology, Central South University, Changsha 410083)
  Year2007
  IssueNo.10(1750¡ª1762)
  Abstract &
  Background 		Abstract With the development of grid computing, P2P, Web Service technologies, trust and security become more and more important in resource sharing on the Internet. Based on identity, capability and behavior trust model of resource sharing in the Internet-Based Virtual Computing Environment(iVCE) between user and resource, A trust optimizing scheduling algorithm(TOS) is proposed. TOS integratively evaluates trust degree of automatic entity according to the requirement of the user in iVCE; users¡¯ trust satification degree optimization is the goal of TOS. Min-min is imported to optimize task execution time. So many performance parameters such as total trust utilities, makespan, failed task rate, and system resource utilities, are improved compared with min-min and max-min algorithms in the simulation.

keywords virtual computing environment; trust computing; resource scheduling

background This paper was partly supported by the Basic Research Program of China (973 Program) under grand No.2005CB321800; the National Natural Science Foundation of China under grant No.60573127; The Natural Science Foundation of Hunan Province under grand No.06JJ30032;the China Postdoctoral Science Foundation under grand No.20060400879.
As the Internet resources have some important characteristics, such as growing, autonomy and diversity, how to aggregate resources on demand of user, how to cooperate among resources in distributed and autonomous domains and how to modeling the aggregation and cooperation are very challenging problems. Grid, p2p, web services and many other technologies gave different solutions and partly solved the problems. That full satisfaction to the requirement has a long way to go.
Our research group now are trying to build an open infrastructure on the Internet, called Internet Based Virtual Computing Environment (iVCE), sharing resources dynamically, securely and adaptively. Based on the identity, capability and behavior trust model of iVCE, this paper presented a trust optimizing scheduling algorithm, which greatly improved total trust utilities, makespan, failed task rate, and system resource utilities compared with min-min and max-min algorithms.