| 摘要 |
PROBLEM TO BE SOLVED: To provide a system, a method, a program of communication control and a storage medium of capable preventing redundancy by multiplexing of flow control. SOLUTION: In the case that either of a USB1.1 and a USB2.0 is selected as a protocol of a certain layer irrespective of an intention of an upper layer of the protocol, when the USB1.1 is selected, a protocol, for example, IEEE1284.4-2000, having a flow control function is selected for the upper layer and when the USB2.0 is selected, a protocol without having the flow control function is selected. COPYRIGHT: (C)2005,JPO&NCIPI
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