Patent ID: 7421509
Filing Date: 2008-09-02
Classification: H04L

Abstract:
1. A method for use in a storage network, the storage network including at least one initiator, at least one storage device, and a storage switch having a linecard connected to the at least one initiator and the at least one storage device for communication with the at least one initiator and the at least one storage device, the method comprising: providing, by the linecard of the storage switch, quality of service to the at least one initiator for accessing the at least one storage device in the storage network, wherein providing quality of service includes guaranteeing a minimum bandwidth to the at least one initiator to access the storage device by estimating an actual bandwidth utilized by the initiator, where the actual bandwidth is estimated by a number of requests per second times an average size of requests from the at least one initiator, and wherein a request includes the packets sent back and forth between the at least one initiator and the at least one storage device necessary to complete the request.