International Business Machines Corporation

Kamrul Alam

Erik Bartholomy

A system and method for controlling access to first and second applications in a shared storage. A first server requests from a first local storage a copy of an application identified by a first hierarchical directory. The first server request is redirected from the first local storage to the first application in the shared storage. The first application in the shared storage has a second, extended hierarchical directory comprising the first hierarchical directory plus a lower level qualifier. Subsequently, a second server requests from a second local storage a copy of an application identified by the first hierarchical directory. The second server request is redirected from the second local storage to the second application in the shared storage. The second application in the shared storage has a third, extended hierarchical directory comprising the first hierarchical directory plus a lower level qualifier different than the lower level qualifier of the second, extended hierarchical directory. The second application can be a more recent version of the first application. Also, there can be a proxy server which routed the request for the application identified by the first hierarchical directory to the first server, and further comprising the step of reconfiguring the proxy server to route subsequent requests for the application identified by the first hierarchical directory to the second server instead of the first server.

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Longmont, CO, United States of America

Kamrul Alam