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| VLHU (Volatile Least Heavily Used) is a replacement algorithm designed to allow large-scale changes in the tracked set over time, but to be resistant against a burst of new entries. These properties are desirable, for instance, when tracking entities in a network which can be temporarily overwhelmed by an attacker capable of spoofing, or tracking memory locations in a computer when non-temporal bursting traffic (say, a block of text being passed read only once by an [[online algorithm]]) is equivalent to the size of the cache.
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| ==Origin==
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| VLHU is a data structure of, to the best of my knowledge, my creation. It is a sufficiently trivial idea that I'm sure it's been invented and discarded countless times. I first used it in the Reflex Interceptor in 2003.
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