Packet switching device and cell transfer control method

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United States of America Patent

PATENT NO 6122252
SERIAL NO

08879906

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Cells are discarded in conformity with the order of priority when congestion occurs by discarding cells of a traffic class without any special contract for a transfer rate at the time of setting up a connection. A node stores priority information concerning cell discard corresponding to a connection identifier and controls the cell discard in accordance with the discard condition determined by the accumulated number of cells for each connection in the node and cell priority.

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Patent Owner(s)

  • HITACHI INFORMATION TECHNOLOGY CO., LTD.;HITACHI, LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aimoto, Takeshi Sagamihara, JP 62 1894
Matsuyama, Nobuhito Hadano, JP 31 564
Sakata, Yoshihiko Hadano, JP 9 260
Yazaki, Takeki Kokubunji, JP 69 1397

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