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Petri机制控制理论在计费系统应用级容灾中的应用 被引量:1

Application of Petri Net in the Control of Telecom Billing System Disaster Recovery
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摘要 快速、可靠的容灾切换控制是实现高等级容灾的基本保证,同时也是容灾系统实现上的一个难点。Petri机制作为一种描述基于实时状态的并发控制模型,已经在多个领域得到了广泛应用,但在国内电信行业的应用尚属空白。基于其图形建模的直观性和分析理论的严谨性,Petri网能够很好地表达和验证容灾切换过程中多个系统间复杂的控制逻辑。通过将Petri网原理和Petri机制中间件首次成功引入中国电信的信息系统,改变了以往以手工操作为主的容灾切换模式,将计费系统应用级容灾的灾难恢复时间指标(RTO)提高了一个数量级,实现了国内电信行业最佳的业务连续性指标,也使中国电信的应用级容灾走在了电信行业的最前列。 Fast and stable switch-over is one of the key elements of any high performance disaster recovery system.But it is not an easy task because of the complexity and unpredictability during the switch-over process,especially when there are several systems which may exchange data between them.Petri net has been widely used in system control based on real-time status in many industries,but not in China's telecommunication industry.In order to improve the disaster recovery performance of China Telecom's billing systems,for the first time,a middleware based on Petri net is introduced and the best RTO in China's Telecommunication industry is achieved.
作者 卜小明
出处 《电信科学》 北大核心 2011年第7期109-116,共8页 Telecommunications Science
关键词 PETRI网 计费 容灾 中间件 Petri net billing disaster recovery middleware
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参考文献10

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二级参考文献12

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