Global Types for Open Systems

CoRR Pub Date : 2018-10-01 DOI:10.4204/EPTCS.279.4
F. Barbanera, Ugo de'Liguoro, R. Hennicker
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引用次数: 13

Abstract

Global-type formalisms enable to describe the overall behaviour of distributed systems and at the same time to enforce safety properties for communications between system components. Our goal is that of amending a weakness of such formalisms: the difficulty in describing open systems, i.e. systems which can be connected and interact with other open systems. We parametrically extend, with the notion of interface role and interface connection, the syntax of global-type formalisms. Semantically, global types with interface roles denote open systems of communicating finite state machines connected by means of gateways obtained from compatible interfaces. We show that safety properties are preserved when open systems are connected that way.
开放系统的全局类型
全局类型的形式化能够描述分布式系统的整体行为,同时为系统组件之间的通信强制执行安全属性。我们的目标是修正这种形式化的弱点:描述开放系统的困难,即可以与其他开放系统连接和交互的系统。利用接口角色和接口连接的概念,对全局型形式化的语法进行了参数化扩展。在语义上,具有接口角色的全局类型表示通过从兼容接口获得的网关连接的通信有限状态机的开放系统。我们证明,当开放系统以这种方式连接时,安全属性是保留的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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