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Virtual private server with CPU time scheduler and isolation of system components

  • US 8,694,637 B1
  • Filed: 11/17/2008
  • Issued: 04/08/2014
  • Est. Priority Date: 02/16/2001
  • Status: Expired due to Fees
First Claim
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1. A server comprising:

  • a host running a single host operating system (OS) kernel;

    a plurality of isolated virtual private servers (VPSs) supported within the operating system kernel, the plurality of VPSs sharing the same operating system kernel and same operating system executable files and each VPS running at least one user application;

    a user space/kernel space interface that includes a CPU time scheduler that allocates CPU time between threads of the VPSs and ensures that a thread of one VPS does not adversely affect threads of other VPSs;

    an application available to users of the VPSs; and

    an application interface that includes system calls for giving the users access to the application.

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