| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that, when updating a function of FPGA, in a conventional network relaying apparatus, since it is necessary to power off an FPGA mount board and to perform board re-activation, communication interruption or band shrinkage of relay performance may occur. SOLUTION: A bus holder is mounted between an FPGA as a function update target and a bus-connected device and during FPGA function updating, each device and the FPGA are electrically disconnected. Since access to each device can be performed even during FPGA function updating, network relay performance can be maintained. COPYRIGHT: (C)2010,JPO&INPIT
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