Multi-dimensional lattice network
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United States of America Patent
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Feb 8, 2005
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N/A
app pub date -
Jul 24, 2000
filing date -
Jul 24, 2000
priority date (Note) -
Expired
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Abstract
An N-dimensional lattice network that scales to capacities of the order of a Yotta bits per second (10.sup.24 bits per second) includes a plurality of sub-nets of edge module switches interconnected by an agile switching core. The agile core may be distributed. In the N-dimensional lattice network, each edge module 408 is connected to N core stages, each core stage having an associated dimensional indicator. The input/output ports of each edge module are divided into (N+1) port groups. One of the port groups serves local sources/sinks while the remainder of the port groups are respectively connected to core stages in each of the N dimensions. This structure permits virtually unlimited capacity growth and significantly simplifies the routing and forwarding functions. The edge modules are addressed using logical coordinates, one coordinate being assigned for each of the N dimensions. This simplifies routing and permits each edge module to compute its own routing tables.
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