International Business Machines Corporation

Jean-Marc Paulin

Samar Choudhary

Shikha Srivastava

Hao Q La

An upgrade of an application product is installed to a first location in a shared environment that is different than a second location in the shared environment. An indication of the newer version of the application product and an indication of the first location are recorded in a registry that comprises indications of a plurality of application products and locations corresponding thereto. Metadata and binding information are obtained from an instance of the previous version of the application product while the instance of the previous version of the application product continues running. The metadata and the binding information are instantiated for an instance of the newer version of the application product in execution space thereof. Work is diverted work from the instance of the previous version of the application product to the instance of the newer version of the application product while both instances continue running in the shared environment.

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Morden, United Kingdom

Jean-Marc Paulin