Electrical computers and digital processing systems: multicomput – Multicomputer data transferring via shared memory
Reexamination Certificate
2011-08-09
2011-08-09
Tran, Philip B (Department: 2455)
Electrical computers and digital processing systems: multicomput
Multicomputer data transferring via shared memory
C709S215000, C709S224000, C370S395700, C370S413000
Reexamination Certificate
active
07996485
ABSTRACT:
A switch includes a reserved pool of buffers in a shared memory. The reserved pool of buffers is reserved for exclusive use by an egress port. The switch includes pool select logic which selects a free buffer from the reserved pool for storing data received from an ingress port to be forwarded to the egress port. The shared memory also includes a shared pool of buffers. The shared pool of buffers is shared by a plurality of egress ports. The pool select logic selects a free buffer in the shared pool upon detecting no free buffer in the reserved pool. The shared memory may also include a multicast pool of buffers. The multicast pool of buffers is shared by a plurality of egress ports. The pool select logic selects a free buffer in the multicast pool upon detecting an IP Multicast data packet received from an ingress port.
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Yang, L., et al., “Optimizing Primary Data Caches for Parallel Scientific Applications: The Pool Buffer Approach”, Proceedings of the 1996 International Conference on Supercomputing, Philadelphia, PA (May 1996).
Hammond Daniel A.
Mosaid Technologies Incorporated
Tran Philip B
LandOfFree
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