Multiplex communications – Pathfinding or routing – Through a circuit switch
Reexamination Certificate
2011-03-15
2011-03-15
Shah, Chirag G (Department: 2477)
Multiplex communications
Pathfinding or routing
Through a circuit switch
C370S395310, C370S421000, C710S004000, C710S012000, C710S311000
Reexamination Certificate
active
07907604
ABSTRACT:
Routing between multiple hosts and adapters in a PCI environment is provided by a method and system. A Destination Identification (DID) field is inserted in a field of the PCI bus address (PBA) of transaction packets dispatched through PCI switches. A particular DID is associated with a particular host or system image, and thus identifies the physical or virtual end point of the packets. The method and system may track connections such that when particular host of a root node becomes connected to a specified switch, a PCI Configuration Master (PCM), residing in one of the root nodes, is operated to enter a destination identifier or DID into a table. The DID is then inserted in the PBA of packets directed through the specified switch from the particular host to one of the adapters.
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Boyd William T.
Fremiuth Douglas M.
Holland William G.
Hunter Steven W.
Recio Renato J.
Baca Matthew W.
Harris Andrew M.
International Business Machines - Corporation
Kang Suk Jin
Mitch Harris Atty at Law, LLC
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