A real server is a CVM instance that is bound to the created CLB instance to process requests. When configuring a CLB listener, you need to bind a CVM instance as the real server. Through different polling methods, CLB forwards requests to the real server for processing to ensure application stability and reliability. You can bind CVM instances in one or more availability zones in the region where the CLB instance resides so as to enhance application robustness and block single points of failure.
When adding a real server, we recommend that you:
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