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System, method and apparatus of data interaction under load balancing

  • US 10,135,915 B2
  • Filed: 10/17/2013
  • Issued: 11/20/2018
  • Est. Priority Date: 10/17/2012
  • Status: Active Grant
First Claim
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1. A system of data interaction for load balancing, comprising:

  • a server load balancer, separate from a conversion apparatus, configured to receive a first data package from a client through a server load balancer gateway, select a real server according to a predefined load balancing strategy, adjust a destination address included in the first data package to a real IP (Internet Protocol) address of the selected real server to obtain a second data package, and send the second data package to the selected real server, the destination address included in the first data package sent from the client being a virtual IP address of the server load balancer;

    the conversion apparatus intercepts the second data package sent from the server load balancer and transfer the second data package to the selected real server;

    the selected real server configured to generate a third data package after receiving the second data package, the third data package including a source address as the real IP address of the selected real server, and to send the third data package to the client through a real sever gateway; and

    the conversion apparatus, separate from the server load balancer, configured to intercept the third data package sent from the selected real server, adjust the source address included in the third data package to the virtual IP address of the server load balancer to obtain a fourth data package, and send the fourth data package to the client through the real server gateway.

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