Freescale Semiconductor,inc.

Mark Glazman

Adi Katz

Gil Moran

A token bucket management apparatus comprises a processing resource having an input for receiving profile data associated with a classified data stream. The processing resource also comprises an arithmetic unit arranged to maintain a bucket status value for a token bucket associated with the classified data stream. The arithmetic unit is a fixed point arithmetic unit that is arranged to maintain the bucket status value in accordance with a fixed point representation of non-integer numbers having a first accuracy. The arithmetic unit calculates a fixed point non-integer increment value in accordance with a fixed point representation of non-integer numbers having a second accuracy. The arithmetic unit is arranged to manipulate the calculated non-integer increment value so as to bring the second accuracy into agreement with the first accuracy, and to increment the bucket status value by the manipulated non-integer increment value.

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Beer-Sheva, Israel

Mark Glazman