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NDMP-Plus: An Improved Protocol for Network Based Data Management
引用本文:欧阳凯,周敬礼,郭辉,余胜生.NDMP-Plus: An Improved Protocol for Network Based Data Management[J].上海大学学报(英文版),2005,9(6):510-516.
作者姓名:欧阳凯  周敬礼  郭辉  余胜生
作者单位:Key Laboratory of Data Storage System of Ministry of Education, Huazhong University of Science and Technology, Wuhan 430074,P. R . China
基金项目:Project supported by National Natural Science Foundation of China (Grant No. 60373088), and National Defense Research Foundation( Grant No .4131605).Acknowledgements The ideas presented in this paper have benefited from many discussions with Tang Wenhui, Xia Tao and Zhang Ming. We would also like to thank Tang Fang and Liu Wei for their valuable suggestions to improve the paper.
摘    要:Network based data management is the backup/restore mechanism used in a data storage center. This paper presents a new network based data management-NDMP-Plus, a revision of network data management protocol. Components and the working mechanism of the NDMP-Plus architecture are first discussed. Two new techniques in NDMP-Plus-virtual storage layer (VSL) and negotiation mechanism are then studied. VSL is a crucial component to achieve flexibility, and the negotiation mechanism is a key to improve performance. Furthermore, experiments are carried out to evaluate the performance of NDMP-Plus. The result suggests that NDMP-Plus has stronger flexibility and better performance than NDMP.

关 键 词:NDMP-Plus  网络数据管理  通信协议  虚拟存储层
文章编号:1007-6417(2005)06-0510-07
收稿时间:2004-04
修稿时间:2004-09

NDMP-plus: An improved protocol for network based data management
Ouyang?Kai,Zhou?Jing-li,Guo?Hui,Yu?Sheng-sheng.NDMP-plus: An improved protocol for network based data management[J].Journal of Shanghai University(English Edition),2005,9(6):510-516.
Authors:Ouyang Kai  Zhou Jing-li  Guo Hui  Yu Sheng-sheng
Institution:(1) Key Laboratory of Data Storage System of Ministry of Education, Huazhong University of Science and Technology, 430074 Wuhan, P.R. China
Abstract:Network based data management is the backup/restore mechanism used in a data storage center. This paper presents a new network based data management—NDMP-Plus, a revision of network data management protocol. Components and the working mechanism of the NDMP-Plus architecture are first discussed. Two new techniques in NDMP-Plus—virtual storage layer (VSL) and negotiation mechanism are then studied. VSL is a crucial component to achieve flexibility, and the negotiation mechanism is a key to improve performance. Furthermore, experiments are carried out to evaluate the performance of NDMP-Plus. The result suggests that NDMP-Plus has stronger flexibility and better performance than NDMP. Project supported by National Natural Science Foundation of China (Grant No. 60373088), and National Defense Research Foundation (Grant No.4131605).
Keywords:NDMP  virtual storage layer  negotiation mechanism
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