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This paper presents a prediction model for software services availability measured by the mean-time-to-repair (MTTR) and mean-time-to-failure (MTTF) of a service. The prediction model is based on the experimental identification of probabilistic prediction for variables that affect MTTR/MTTF, based on monitoring service data collected at runtime.
In service oriented computing applications, different resources in grid systems are encapsulated abstractly as services. Sometime, single service software can provide valuable service functions for service consumers, but most of the time, single atomic service can not satisfy them. In this case, the system builds a new composite service, which selects all available qualified grid service for composition...
As distributed system has grown in size and complexity, the existing single node failure of system are confronting some serious challenges. Standby system has become infrastructure, which constructs high performance distributed system. The quality of service (QoS) that offers for users will be affected by dependability at large. The application of stochastic Petri net (SPN) on standby system dependability...
Recent years have witnessed the rapid growth in the field of embedded systems (ES). Due to the diversity of client-specific requirements from embedded or mobile applications, flexible design or/and dynamic customization for embedded systems are receiving more and more attention from researchers and developers. To ease the process of implementation and deployment of embedded systems, plenty of component-based...
This is an introduction to the proceedings of the MWS 2007 workshop held at EDOC 2007. It first explains the motivation for and background of the workshop. Then, it contains a short description of the keynote, each long and short peer-reviewed paper, and the discussion session "impact of various execution environments on middleware for web services". After the closing statements, MWS 2007...
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