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Reliability and Profit Analysis of a Soft Hot Standby PUSH VOD System based on Markov Model

Tian Chen, Xie Lanchi, and Wang Xingjun
Shenzhen Key Lab. of Information Sci&Tech/Shenzhen Engineering Lab. of IS&DRM Department of Electronic Engineering/Graduate School at Shenzhen, Tsinghua University, China
Abstract—Based on Markov model, this paper analyzes a soft standby's reliability and safety in PUSH system for digital TV, which is constituted by two PUSH VOD severs working on master-slave mode. It illustrates 5 interesting rules that can guide us to design a more reliable and more secure system. We will see some key parameters that is positive correlated with the reliability may be negative correlated with the safety at the same time. What's more, it shows that using different algorithm for mutual checking can hold system's safety even though each algorithm may be not so efficient. Profit evaluations of such hot standby and advices to design are also given.

Index Terms—reliability; safety; PUSH system design; soft hot standby

Cite: Tian Chen, Xie Lanchi, and Wang Xingjun, "Reliability and Profit Analysis of a Soft Hot Standby PUSH VOD System based on Markov Model," Lecture Notes on Information Theory, Vol.1, No.3, pp. 140-143, Sept. 2013. doi: 10.12720/lnit.1.3.140-143
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