Electrical computers and digital processing systems: multicomput – Computer network managing – Network resource allocating
Reexamination Certificate
2005-09-16
2010-11-23
Avellino, Joseph E (Department: 2458)
Electrical computers and digital processing systems: multicomput
Computer network managing
Network resource allocating
C709S220000, C713S500000, C713S600000
Reexamination Certificate
active
07840675
ABSTRACT:
A server system has, in addition to extensibility of scale-out type of a braid server system, extensibility of scale-up type by making SMP coupling among nodes. Each node has a unit for SMP coupling to other nodes. A module management unit responds to system configuration information to switch between a mode in which the node operates singularly as a braid server and a mode in which the node operates as a constituent module of an SMP server. Links among individual nodes are laid through equidistant wiring lines on a back plane and additionally a loop wiring line having a length equal to that of the inter-node link on the back plane is also laid in each node, thereby setting up synchronization among the nodes. Synchronization of reference clocks for SMP coupled nodes can be is also established.
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Funatsu Junichi
Ishiki Toshihiro
Itoi Tomonaga
Sakuma Naoto
Yoshida Takeshi
Avellino Joseph E
Hitachi , Ltd.
Hitachi Information Technology Co., Ltd.
Mattingly & Malur, P.C.
Rashid Harunur
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