Abstract
The demand of dependability of SaaS(Software as a service) based platform supporting the industry chain coordination (in brief, PLATFORM) is analyzed, the characteristics of virtualization technique in the respect of enhancing the dependability of computing system are researched ,then the virtualization technique based dependable Architecture of PLATFORM is designed and the process of enhancing dependability of PLATFORM is discussed in the paper. The dependable Architecture of PLATFORM proposed in the paper can well satisfied dependable characteristic includes Reliability, availability, maintainability and security etc, and system crashes, system halt and data loss by reason of system fault , system error, system failure can be effectively prevented which can provide good support for SaaS based system applications.
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