The office automation system of telecom operators has been developing rapidly along with the development of IT supporting technology. The article describes the design of the office automation system follows the principles of cloud computing

visualization

mobility and SaaS architecture

and combines with the private cloud resources owned by operators to improve the utilization efficiency of hardware infrastructure; it adopts hierarchical componentization and multitenancy to realize the separation of business

technology

data and function

and improve the reuse of business technology.