| 摘要 |
A reassembly unit comprising of a reassembly buffer and a control unit and a detector. The reassembly unit monitors an amount of data AMD stored in the reassembly register and compares AMD to four thresholds, TS1, TS2, TS3 and TS4. TS1 and TS4 define the size of the reassembly buffer. TS2 defines the delay of reassembly unit 40. A difference between TS1 and TS2 defines an underflow recovery period in which data is not read out of the buffer. A difference between TS4 and TS3 define an overflow recovery period in which data is not written in the buffer. The four thresholds can be changed during an operation of the reassembly unit, allowing a user to adjust the thresholds according to the state of the reassembly unit.
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