US Patent Issued to International Business Machines on May 12 for "Fault isolation in an I/O fabric using downstream port containment" (Arizona Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,781, issued on May 12, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Fault isolation in an I/O fabric using downstream port containment" was invented by Seamus J. Burke (Tucson, Ariz.), Louis A. Rasor (Tucson, Ariz.) and Todd C. Sorenson (Tucson, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A technique of non-disruptive fault isolation for an input/output (I/O) subsystem includes processing circuitry at a root complex interposed between a plurality of server platforms and a plurality of I/O switches receiving, via an I/O switch among the plurality of I/O switches, notification of downstream port containment of an I/O ...