A Reservation-Based Protocol for Timely Web Services Transaction
semanticscholar(2019)
摘要
Business transactional process is usually long running computation which requests services from multiple enterprises. Web Services Transaction specification (WS-TX) defines a protocol, WSBusinessActivity which is specifically designed for such lengthy interaction and maintains overall consistency through compensation. However timely web services transaction is prone to compensate due to tasks’ missing deadline. Therefore, this paper proposes a reservation-based protocol which is used to select providers who can provide resources promptly and deselect ones who may fail. And this selection happens during resource reservation phase and before real commitment. In this way, we achieve the goal of minimizing transactions’ compensation. Finally, we design the framework architecture for the proposed protocol that is extended from WS-BusinessActivity.
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