| 摘要 |
A method of web services replica management and associated web service gateways, the method including one or more of the following: sending a web service request from a client application through a local web service gateway; discovering a plurality of remote web service gateways offering replicas of the requested web service; determining a communication delay between the discovered plurality of remote web service gateways and the local web service gateway; creating a cluster manager in a local web service gateway; creating a cluster for a replica web services composite client application; adding a plurality of replica web services to the cluster; adding at least one policy to the cluster; calculating a community of web service replicas based on the at least one policy, such as a replica selection policy that may include an information policy and a load estimation method; and determining an optimum web service replica among the discovered plurality of remote web service gateways.
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