With the development of internet service and IaaS cloud
the PaaS cloud was discussed in the construction and application of IT support systems.How to take into technological evolution and how to build PaaS architecture
were analyzed.How to implement a system of centralized management
supervision
sharing and scheduling was introduced.How to achieve unity of application deployment and how to achieve high availability for data center were discussed.
LIU Z , ZHANG H F , LI W , et al . Operators to develop big data technologies and construction mode prospect [J ] . Telecom Engineering Technics and Standardization , 2015 , 28 ( 3 ): 12 - 16 .