Network router with partitioned memory for optimized data storag

Details Network router with partitioned memory for optimized data storag Network router with partitioned memory for optimized data storag

1997-04-25

2000-08-08

Vu, Huy D.

Multiplex communications

Pathfinding or routing

Store and forward

370401, H04L 1254

Patent

active

061011924

ABSTRACT:
A network router is presented for transferring data between multiple communication networks. The network router has a network interface unit (NIU) for each communication network the router is coupled to, and a single memory unit for storing the data. Each NIU is adapted for coupling to a network transmission medium of the corresponding communication network. A section of the memory unit (i.e., a memory partition) is allocated for each communication network (i.e., for each NIU). Each memory partition includes a memory subpartition allocated for each NIU. A receive unit within each NIU receives data from the corresponding network transmission medium and determines, using address information within the packetized data, which of the other NIUs should transmit the data (i.e., the destination NIU). The receive unit then stores the received data within the memory subpartition allocated to the destination NIU within the memory partition assigned to the receiving NIU. A transmit unit within each NIU periodically polls the memory subpartition allocated to the NIU within each memory partition for the presence of data to be transmitted. If such data is found, the transmit unit retrieves the data from the memory unit and transmits the data upon the network transmission medium of the corresponding communication network.

REFERENCES:
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patent: 5691984 (1997-11-01), Gardner et al.
patent: 5802047 (1998-09-01), Kinoshita
patent: 5805589 (1998-09-01), Hochschild et al.
patent: 5852605 (1998-12-01), Kim

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