Configuring Server Response Time Thresholds  
 
 

ClusterCATS allows you to define two server response time thresholds:

  1. Gradual Redirect Threshold -- The server will redirect a percentage of new requests in an attempt to reduce server load and prevent the server from entering a busy state. As actual server load increases, the percentage of redirected new requests also increases.
  2. Busy Load Threshold -- The server redirects all new requests received. In summary, ClusterCATS is able to exploit the benefits of round robin DNS in distributing load while eliminating the inability of round robin DNS to detect server failures and overloads. To eliminate server overloads, we use the HTTP redirect mechanism.


 
 
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