US RE042,726 E1
Dynamically modifying the resources of a virtual serverGeneral
US RE042,726 E1
Dynamically modifying the resources of a virtual server
Tech Center:
2400 Networking, Multiplexing, Cable, and Security
Examiner:
Wen-Tai Lin
Art Unit:
2454 Computer Networks
Agent:
Inventors:
Srinivasan Keshav; Rosen Sharma; Shaw Chuang
Assignee:
Priority:
05/11/00
Filed:
01/09/08
Granted:
09/20/11
Expiration:
05/11/20
Abstract
A system and a method dynamically adjusts the quality of service guarantees for virtual servers based upon the resource demands experienced by the virtual servers. Virtual server resource denials are monitored to determine if a virtual server is overloaded based upon the resource denials. Virtual server resources are modified dynamically to respond to the changing resource requirements of each virtual server. Occasionally, a physical host housing a virtual server may not have additional resources to allocate to a virtual server requiring increased resources. In this instance, a virtual server hosted by the overloaded physical host is transferred to another physical host with sufficient resources.