关键词: Web服务组合 可靠性优化 N版本程序设计

Abstract:

One of the most promising advantages of Web Services is the possibility of creating value-added services by combining the existing ones. In order to i  ncrease the reliability of service composition, software fault tolerance can be used. This paper proposes a service selection strategy targeting at maxi  mizing the reliability of service composition under cost constraints.

Key words: web service composition, reliability optimization, N-version programming