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:
Jan. 10, 2012
Filed:
Jul. 23, 2009
Applicants:
Heng Liao, Belcarra, CA;
Kuan Hua Tan, Burnaby, CA;
Calvin Leung, Burnaby, CA;
Inventors:
Assignee:
PMC-Sierra US, Inc., Sunnyvale, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus are provided for implementing connection management in SAS expander devices. SAS expanders are commonly used within a SAS network topology to allow multiple disk drives to connect to multiple host devices. The method and apparatus provides arbitration of connection requests to be setup or removed among multiple end devices and expander devices so as to increase system performance and reduce hardware cost in a standard compliant manner.