Multi-port communication network device including common buffer

Details Multi-port communication network device including common buffer Multi-port communication network device including common buffer

1998-12-29

1999-11-16

Harrell, Robert B.

Electrical computers and digital processing systems: multicomput

Multicomputer data transferring via shared memory

Partitioned shared memory

G06F 1300

Patent

active

059875070

ABSTRACT:
A network device for use in a data communication network comprises: a multiplicity of ports capable of receiving input data; a common buffer memory for storing in respective buffers data received by the input ports; and processing system for controlling the writing of data into buffers and the reading of data from said buffers. The processing system determines whether the extent of occupation of the common buffer memory exceeds a threshold defined to represent congestion of the memory. Counter system enabled by the processing system on detection of the aforementioned threshold count units of input data through the respective ports, the processing system decrementing these counters as data is read out from the common buffer memory.

REFERENCES:
patent: 4458314 (1984-07-01), Grimes

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