Abstract:

SaaS (Software as a Service) will become the mainstream of future Software industry management pattern,and the Interactive speed and performance of SaaS platform can directly affect the quality of SaaS Service.By Analyzing the SaaS pattern,an SaaS platform of Multi-tenant MultiInstance is built based on OpenStack.With hierarchical architecture,the platform can break software instance limitations,thus an excellent scalability.Unlimited extension is possible with one setup and there is no need to change the architecture.The interface mapping is adopted to interact for faster response.Compared with the existing SaaS products,our platform have better service scalability and user experience.

Key words: SaaS;OpenStack;hierarchical architecture;interface map