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COMPUTER SYSTEM, VIRTUAL SERVER ALIGNMENT METHOD, AND ALIGNMENT CONTROL APPARATUS

  • US 20130191829A1
  • Filed: 01/16/2013
  • Published: 07/25/2013
  • Est. Priority Date: 01/19/2012
  • Status: Abandoned Application
First Claim
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1. A computer system comprising a plurality of clients, a plurality of servers, a plurality of routers, an analysis device for monitoring communication statuses of the plurality of routers, and a management computer for controlling alignment of a virtual machine operating on each of the plurality of servers,the virtual machine providing a predetermined service to the plurality of clients,each of the plurality of clients including a first processor, a first memory connected to the first processor, and a first network interface for coupling to another device,the each of the plurality of servers including a second processor, a second memory connected to the second processor, and a second network interface for coupling to another device,each of the plurality of routers including a controller, and a third network interface for coupling to another device,the analysis device including a fourth processor, a fourth memory connected to the fourth processor, and a fourth network interface for coupling to another device,the management computer including a fifth processor, a fifth memory connected to the fifth processor, and a fifth network interface for coupling to another device,the each of the plurality of servers including a virtualization control module for controlling the virtual machine,the each of the plurality of routers including an information obtaining module for obtaining communication information for each flow, which is a set of a plurality of packets and is defined based on header information of packets that pass through the router, and for transmitting the obtained communication information to the analysis device,the analysis device including:

  • an analysis module for analyzing the communication information received from the each of the plurality of routers and for outputting an analysis result; and

    a probability calculation module for calculating, based on the analysis result, a first occurrence probability of packet drop representing a degree of risk that packet drop occurs in a router included in a communication route of a movement destination in a case where the virtual machine is moved,the management computer including;

    a load estimation module for estimating, based on the analysis result, a load for each of communication routes for moving the virtual machine as a movement target, and for identifying at least one candidate route, which is the communication route as a candidate of the movement destination; and

    an alignment determination module for determining, based on the first occurrence probability of packet drop, the communication route of the movement destination from among the at least one candidate route.

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