U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Information processing apparatus and communication path selection method

Patent 6789141 Issued on September 7, 2004. Estimated Expiration Date: Icon_subject March 19, 2022. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Method and device for selecting information usable by a local unit connected to a digital transmission system
Patent #: 5428650
Issued on: 06/27/1995
Inventor: Pitot

Method and apparatus for exchanging different classes of data during different time intervals
Patent #: 5553095
Issued on: 09/03/1996
Inventor: Engdahl, et al.

Method and apparatus for balancing workloads among paths in a multi-path computer system based on the state of previous I/O operations
Patent #: 6434637
Issued on: 08/13/2002
Inventor: D'Errico

Sequence estimation method and sequence estimator
Patent #: 6556632
Issued on: 04/29/2003
Inventor: Kubo, et al.

Communication network across which packets of data are transmitted according to a priority scheme Patent #: 6654346
Issued on: 11/25/2003
Inventor: Mahalingaiah ,   et al.

Inventors

Assignee

Application

No. 10100113 filed on 03/19/2002

US Classes:

710/38Path selection

Examiners

Primary: Gaffin, Jeffrey
Assistant: Martin, David

Attorney, Agent or Firm

International Class

G06F 300

Abstract

An information processing apparatus having a common storage accessible by a host includes: an NIC group connected with a plurality of communication paths connected to the host; an I/O processing unit for executing I/O processing of the common storage in response to an I/O request of the host; a storing unit for holding log information for each data transfer performed from/to the host; and a communication path selection unit for selecting, as a data transfer path, a communication path having actually indicated good I/O processing performance among communication paths used in the past data transfer approximate in a communication condition by referring to the log information held by the storing unit.

Other References

  • EMC Web Page, http://www.emc2.co.jp/, 2002.
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