The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 19, 2014
Filed:
Nov. 22, 2011
Sandeep Kamath, Santa Clara, CA (US);
Josephine Suganthi, Sunnyvale, CA (US);
Sergey Verzunov, Moscow, RU;
Murali Raja, Santa Clara, CA (US);
Anil Shetty, Union City, CA (US);
Sandeep Kamath, Santa Clara, CA (US);
Josephine Suganthi, Sunnyvale, CA (US);
Sergey Verzunov, Moscow, RU;
Murali Raja, Santa Clara, CA (US);
Anil Shetty, Union City, CA (US);
Citrix Systems, Inc., Fort Lauderdale, FL (US);
Abstract
The present invention provides methods and systems for performing load balancing via a plurality of virtual servers upon a failover using metrics from a backup virtual server. The methods and systems described herein provide systems and methods for an appliance detecting that a first virtual server of a plurality of virtual servers having one or more backup virtual servers load balanced by an appliance is not available, identifying at least a first backup virtual server of a one or more backup virtual servers of the first virtual server is available, maintaining a status of the first virtual server as available in response to the identification, obtaining one or more metrics from the first backup virtual server of a one or more backup virtual servers, and determining the load across the plurality of virtual servers using the metrics obtained from the first backup virtual server associated with the first virtual server.