Systems and methods for target mode connection management in...

Details Systems and methods for target mode connection management in... Systems and methods for target mode connection management in...

2007-01-30

2007-01-30

Perveen, Rehana (Department: 2112)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Protocol

C710S002000, C710S003000, C710S036000, C710S300000, C709S220000, C709S230000, C370S254000, C370S469000

Reexamination Certificate

active

10920897

ABSTRACT:
Methods and structures for managing connection requests within a SAS controller operating as a target device. A SAS target device maintains a table of information regarding known SAS initiator devices in the SAS domain. An index value is supplied in transport layer requests and used by each of a plurality of link layer processing elements in the SAS controller to access information in the table. The index value is fewer bits than the complete eight byte SAS address and the logic to manipulate and compare the index value is therefore simpler than that required to directly manipulate a full SAS address. Further, the information table is shared by each of the link layer processing elements to further reduce complexity from replication of circuits and logic in the SAS controller.

REFERENCES:
patent: 7028106 (2006-04-01), Foster et al.
patent: 7035952 (2006-04-01), Elliott et al.
patent: 2004/0205259 (2004-10-01), Galloway
patent: 2005/0080881 (2005-04-01), Voorhees et al.
patent: 2005/0125574 (2005-06-01), Foster et al.
patent: 2005/0185599 (2005-08-01), Clayton
patent: 2006/0039405 (2006-02-01), Day et al.
patent: 2006/0039406 (2006-02-01), Day et al.
patent: 2006/0041672 (2006-02-01), Day et al.
Maxtor—“Introduction to Serial Attached SCSI” by Mark Evans, dated May 23, 2003—total of 5 pages.

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