What benefits can performance management services bring to customers? (Multiple choice)

A: Monitor network and application performance in real time to solve the limitations of network management system monitoring B: Regularly evaluate and analyze performance trends to proactively prevent performance degradation and performance failures C: Comprehensive professional platform and expert experience, quickly locate the root causes of failures such as slow application and application interruption, and solidify management and prevention methods D: Combined with the application development requirements, network optimization is carried out to ensure the benign development of the service