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使用说明书，Bus Hound 是由美国perisoft公司研制的一种专用于PC机各种总线数据包监视和控制的开发工具软件，其名“hound”的中文意思为“猎犬”，即指其能敏锐地感知到总线的丝毫变化。 Bus Hound是一个超级软件总线协议分析器，用于捕捉来自设备的协议包和输入输出操作。

In SCSI computer storage, computers and storage devices use a client-server model of communication. The computer is a client which requests the storage device to perform a service, e.g., to read or write data. The SCSI command architecture was originally defined for parallel SCSI buses but has been carried forward with minimal change for use with Fibre Channel, iSCSI, Serial Attached SCSI, and other transport layers. In the SCSI protocol, the initiator sends a SCSI command information unit to the target device. Data information units may then be transferred between the computer and device. Finally, the device sends a response information unit to the computer.