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Volatile memory persistence during warm reboot in an optical transceiver
Volatile memory persistence during warm reboot in an optical transceiver
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机译:光收发器中热重启期间的易失性内存持久性
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摘要
An operational optical transceiver configured to preserve a portion of volatile memory during a warm reboot process. The optical transceiver includes a persistent memory, a processor, and a system memory. The system memory includes a preserved memory space. The optical transceiver loads microcode from the persistent memory to the system memory without writing into the preserved memory space. The processor processes the microcode and writes certain information into the preserved memory space that will be preserved during a warm reboot. The optical transceiver may then initiate a warm reboot and load microcode from the persistent memory to the system memory that overwrites the existing microcode. However, the information written in the preserved memory space is not overwritten by the microcode loaded from the persistent memory. In this way, a portion of the information contained in the system memory prior to the warm reboot is preserved.
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