| 摘要 |
A method of locating packet identifiers held in respective memory locations in a memory, the method comprising receiving a plurality of packets, each packet including a packet identifier, searching said memory locations in a sequence to compare an incoming packet identifier with packet identifiers stored in the memory until a match is found, incrementing one of a set of counters associated respectively with the memory locations, said incremented counter being the one associated with the memory location where the match packet identifier is held, and reading values of each of the counters and using said values to determine the sequence in which the memory locations are searched for subsequent incoming packet identifiers.
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