讲座时间：6月13日下午16:00
腾讯会议号：386 777 447
讲座题目：Optimizations of Incremental Backup Policies
讲座内容：In order to ensure the data security, plans of incremental backups are usually set up to save the costs which are suffered from full backups. In this presentation, we suppose that failures occur at data updating times and backups are implemented only at the end of data updates, and full backups are done at time T, over time T and update N to balance the costs of data backup and failure recovery. Using the theory of renewal process, we obtain the expected costs of backup and recovery and the expected cost rates for full backups. Optimum solutions of T and N to minimize the expected cost rates are obtained, and their comparisons are discussed from the optimizations of the integrated models in analytical ways.
主讲人简介：赵旭峰，南京航空航天大学，经济与管理学院，教授，博士生导师。主要从事系统可靠性与运维管理，系统故障恢复管理，质量管理与质量工程的研究工作。出版Springer专著2部，出版著作章节13篇，发表期刊论文50余篇，获得《IEEE Transactions on Reliability》最佳论文奖。担任INFORMS附属期刊《Stochastic Models》副主编、客座主编，运筹学领域期刊《Annals of Operations Research》客座主编，可靠性领域期刊《IEEE Transactions on Reliability》客座主编，其他多个国际学术期刊的编委、客座主编（质量、可靠性、维修性、航空工程领域），长期担任美国国际学术会议ISSAT程序委员会主席（质量与可靠性领域）。
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