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A LIST MANAGEMENT SYSTEM, A LIST MANAGEMENT METHOD, A RECORDING MEDIUM WHEREIN A COMPUTER PROGRAM FOR REALIZING THE LIST MANAGEMENT SYSTEM IS RECORDED AND A PACKET EXCHANGE WHEREIN THE LIST MANAGEMENT SYSTEM IS APPLIED
A LIST MANAGEMENT SYSTEM, A LIST MANAGEMENT METHOD, A RECORDING MEDIUM WHEREIN A COMPUTER PROGRAM FOR REALIZING THE LIST MANAGEMENT SYSTEM IS RECORDED AND A PACKET EXCHANGE WHEREIN THE LIST MANAGEMENT SYSTEM IS APPLIED
To provide a list management system of the same effectivenesswith the LRU method with smaller overhead of the CPU, a listmanagement system comprises: a trigger generating means (14) for generatinga trigger signal every time when a time interval is passed; counters(21) each corresponding to each of a plurality of processes (20) andcounting a reference frequency of each of the processes (20); a list (24)of elements each corresponding to each of the processes (20) andconnected with each other by way of pointer data; and a list maintenancemeans (23) for rearranging order of the elements according to countvalues of the counters in descending order of the count values, whenthe trigger signal is generated.
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