Method and apparatus for transferring data between IP network devices and SCSI and fibre channel devices over an IP network
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United States of America Patent
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Jun 4, 2002
Grant Date -
N/A
app pub date -
Feb 8, 2000
filing date -
Mar 10, 1999
priority date (Note) -
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Abstract
A method and apparatus for transferring data between IP devices (including, but not limited to, Gigabit Ethernet devices) and SCSI or Fibre Channel devices. The device interfaces may be either SCSI, Fibre Channel or IP interfaces such as Gigabit Ethernet. Data is switched between SCSI and IP, Fibre Channel and IP, or between SCSI and Fibre Channel. Data can also be switched from SCSI to SCSI, IP to IP and FC to FC. The port interfaces provide the conversion from the input frame format to an internal frame format, which can be routed within the apparatus. The amount of processing performed by each port interface is dependent on the interface type. The processing capabilities of the present invention permit rapid transfer of information packets between multiple interfaces at latency levels meeting the stringent requirements for storage protocols. The configuration control can be applied to each port on a switch and, in turn, each switch on the network, via an SNMP or Web-based interface, providing a flexible, programmable control for the apparatus.
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