Abstract
Implementing distributed applications is a challenging task. Developers are confronted with issues like fault-tolerance, efficient synchronization mechanisms, and the correctness of the distributed code. Transactions are a simple and powerful mechanism for establishing fault-tolerance. To allow multiple processes to cooperate in a transaction we relax the isolation property. We call the new abstraction a speculation. This paper introduces a new programming model based on speculative execution. Speculations provide distributed coordinated rollback and enable optimistic execution of synchronization points. We present an operational semantics for nested speculative execution that specifies distributed speculations precisely. We also discuss two approaches to implementing support for speculations.
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Ţăpuş, C., Hickey, J. (2007). A Theory of Nested Speculative Execution. In: Murphy, A.L., Vitek, J. (eds) Coordination Models and Languages. COORDINATION 2007. Lecture Notes in Computer Science, vol 4467. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-72794-1_9
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DOI: https://doi.org/10.1007/978-3-540-72794-1_9
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