Switching device

Details Switching device Switching device

2007-05-29

2010-06-01

Pham, Chi H (Department: 2471)

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

C370S229000, C370S422000

Reexamination Certificate

active

07729258

ABSTRACT:
A multiport switch circuit which performs transfer according to flow control and a protocol with an ordering rule specified, wherein the circuit for avoiding packets from clogging is realized in a small size. A packet receiving side circuit has a packet selection output circuit to suppress a circuit size by decreasing the number of transfer data paths, and the packet selection output circuit performs output of selected packets according to a priority packet type selection instruction signal in addition to output of a receiving order packet according to a receiving order output instruction signal to make it possible to avoid clogging caused because the packets made to wait for transmission by the flow control cannot be overtaken by another packet type according to the ordering rule.

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