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Title:
帯域制御機能を有するストレージスイッチ
Document Type and Number:
Japanese Patent JP4214919
Kind Code:
B2
Abstract:
A storage switch with bandwidth control function for preventing discarding of packets for bandwidth breach when sending or receiving storage data using an iSCSI protocol on a wide area network having a covenant (guaranteed) bandwidth, when the quantity of storage data traffic sent by the initiator or target was judged a bandwidth breach or violation. The traffic amount is predicted from the Expected Data Transfer Length contained in the read request of the iSCSI command and the Desired Data Transfer Length contained in the R2T command, when that command is sent to the target and the initiator and the bandwidth is regulated by controlling the transmission timing of that command.

Inventors:
High Se Seyu
Takeshi Yazaki
Application Number:
JP2004008619A
Publication Date:
January 28, 2009
Filing Date:
January 16, 2004
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
H04L47/22; H04L47/267; H04L47/43
Domestic Patent References:
JP2002305535A
JP2000122938A
Attorney, Agent or Firm:
Manabu Inoue