计算机科学 ›› 2017, Vol. 44 ›› Issue (Z11): 366-371.doi: 10.11896/j.issn.1002-137X.2017.11A.077
吴志军,刘中,胡涛涛
WU Zhi-jun, LIU Zhong and HU Tao-tao
摘要： 广域信息管理(System Wide Information Management,SWIM)是“航空云(Aeronautical Cloud)”的基础设施,用于航空交通运输相关信息的传输与共享。SWIM系统的可靠性和生存能力对航空交通运输的安全运行具有重大影响。设计了面向SWIM系统生存能力的弹性灾难恢复方案。该方案采用Linux虚拟服务的组织架构,改进了Linux虚拟服务中的加权最小连接WLC(Weighted Least-Connection)调度算法,提高了SWIM服务的连续性。实验结果表明,改进后的加权最小连接算法可以有效提升SWIM系统的灾难恢复能力,满足SWIM系统的弹性灾难恢复需求。
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