Abstract
Despite the rapid evolution in all aspects of computer technology, both the computer hardware and software are prone to numerous failure conditions. In this paper, we analyzed the characteristic of a computer system and the methods of constructing a system, proposed a communication link management model supporting high availability for network applications, Which will greatly increase the high availability of network applications. Then we elaborated on heartbeat or service detect, fail-over, service take-over, switchback and error recovery process of the model. In the process of constructing the communication link, we implemented the link management and service take-over with high availability requirement, and discussed the state and the state transition of building the communication link between the hosts, depicted the message transfer and the start of timer. At Last, we applied the designed high availability system to a network billing system, and showed how the system was constructed and implemented, which perfectly satisfied the system requirements.
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Foundation item: Supported by the National Natural Science Foundation of China (60132030)
Biography: Luo Juan (1974-), female, Ph. D candidate, research direction: high speed network and information security.
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Juan, L., Yang, C., Zheng, H. et al. Model and implementation of communication link management supporting high availability. Wuhan Univ. J. Nat. Sci. 9, 68–72 (2004). https://doi.org/10.1007/BF02912721
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DOI: https://doi.org/10.1007/BF02912721