Electrical computers and digital data processing systems: input/ – Intrasystem connection – Bus interface architecture
Reexamination Certificate
2006-12-06
2009-08-04
Dang, Khanh (Department: 2111)
Electrical computers and digital data processing systems: input/
Intrasystem connection
Bus interface architecture
C710S306000, C710S312000
Reexamination Certificate
active
07571273
ABSTRACT:
A computer-implemented method, apparatus, and computer program product are disclosed for bus/device/function (BDF) translation and routing of communications packets through a fabric that utilizes PCI switches. Identifiers are included in communications packets that are routed between a host and an I/O adapter using a PCI fabric to which the host and the I/O adapter are coupled. Destination identifiers that are included in first communications packets that are received by edge switches, which are connected directly to said host or directly connected to said I/O adapter, are translated before routing the communications packets out of the edge switches. Second communications packets that are received by internal switches, which are not directly connected to the host or directly connected to the I/O adapter, are routed without translating destination identifiers that are included in the second communications packets.
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Boyd William T.
Freimuth Douglas M.
Holland William G.
Hunter Steven W.
Recio Renato J.
Dang Khanh
Handelsman Libby Z.
International Business Machines - Corporation
Yee & Associates P.C.
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