First, the financial industry, including banking, securities, funds, futures and other sub-industries, generally has a separate network operation and maintenance department, with the number of personnel ranging from 5 to 10. For the quality of network operation and maintenance, the relevant departments of this country have corresponding policy requirements.
Second, government departments that focus on e-government, because of the concept of smart city and the network integration of vertical government departments, have high requirements for network operation and maintenance, both internally and externally.
Third, telecom operators, I believe everyone knows the importance of network operation and maintenance!
Fourth, for service companies, such as power industry, e-commerce industry and medical industry, the importance of network operation and maintenance is becoming more and more important!