Title of article :
A rotarychaoticPSOalgorithmfortrustworthyschedulingofagridworkflow
Author/Authors :
Qian-Tao Jiang، نويسنده , , Hui-youChang ، نويسنده , , YangYi ، نويسنده , , Chun-qinGu، نويسنده , , Wen-jieLi ، نويسنده ,
Issue Information :
ماهنامه با شماره پیاپی سال 2011
Abstract :
In thispaper,arotarychaoticparticleswarmoptimization(RCPSO)algorithmispresentedtosolve
trustworthyschedulingofagridworkflow.Ingeneral,thegridworkflowschedulingisacomplex
optimizationproblemwhichrequiresconsideringvariousschedulingcriteriasoastomeetawiderangeof
QoS requirementsfromusers.Traditionalresearchesintogridworkflowschedulingmainlyfocusonthe
optimizationconstrainedbytimeandcost.Thekeyrequirementsforreliability,availabilityandsecurity
are notconsideredadequately.Themaincontributionofthisstudyistoproposeanewapproachfor
trustworthyworkflowschedulinginalarge-scalegridwithrichserviceresources,andpresenttheRCPSO
algorithmtooptimizetheschedulingperformanceinamulti-dimensionalcomplexspace.Experiments
were doneintwogridapplicationswithatmost120candidateservicessuppliedtoeachtaskofvarious
workflows.TheresultsshowbetterperformanceoftheRCPSOinsolvingtrustworthyschedulingofgrid
workflowproblemsascomparedtoGA,ACOandotherrecentvariantsofPSO.
Keywords :
Grid workflow scheduling , Quality of service , Particle swarm optimization , Rotary discrete rule , Trustworthiness
Journal title :
Computers and Operations Research
Journal title :
Computers and Operations Research
