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Isolation Support for Service-based Applications: A Position Paper

By Paul Greenfield and Dean Kuo


In this paper, we propose an approach that provides the benefits of isolation in service-oriented applications where it is not feasible to use the traditional locking mechanisms used to support ACID transactions. Our technique, called ‘Promises’, provides a uniform mechanism that clients can use to ensure that they can rely on the values of information resources remaining unchanged in the course of long-running operations. The Promises approach covers a wide range of implementation techniques on the service side, all allowing the client to first check a condition and then rely on that condition still holding when performing subsequent actions

Topics: concurrency, reservation, promise, precondition, service interface
Year: 2009
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