In a network, LBs are used in the scenario where multiple servers form a set of servers in symmetric mode. Each server has the equal position and can independently provide services. The Agile Controller-DCN uses load balancing technology to allocate external requests evenly to a server in symmetric architecture and the server independently responds to the requests. LBs can evenly allocate client requests to the server array so that important data can be fast obtained and the problem caused by a large number of concurrent service access requests can be solved.
For details, see
https://support.huawei.com/hedex/hdx.do?docid=EDOC1100079501&id=EN-US_TOPIC_0141192348&text=What%252520Is%252520the%252520Application%252520Scenario%252520of%252520LBs%25253F%252520How%252520Do%252520I%252520Configure%252520Them%25253F&lang=en.