A Parallel and Nonblocking Updating Mechanism for Replicated Directory Files in Distributed Systems |
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| Authors: | Jia X. H. Shimizu K. Maekawa M. |
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| Affiliation: | 1. School of Education, Zhengzhou University, Zhengzhou 450001, China;2. Department of Applied Psychology, Guangdong University of Foreign Studies, Guangzhou 510420, China;3. School of Psychology, The University of Queensland, Brisbane 4072, Australia;4. Henan Teaching and Research Office of Basic Education, Zhengzhou 450000, China;5. Art School of Guangzhou Academy of Fine Arts, Guangzhou 510006, China |
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| Abstract: | This paper presents a new and efficient method for consistency control of replicated directory files. By investigating the special consistency requirements and the data structure of directory files, we design a parallel and nonblocking updating mechanism for the management of directory files. Compared with other consistency control mechanisms, our approach has the following advantages: (1) neither global locking nor globally synchronized clocks are used; (2) updates can be issued at any node without synchronizing with each other; (3) updates from remote nodes are executed as they arrive, without being blocked. The access consistency and correctness of the mechanism are also discussed. |
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