Kenneth J. Schultz

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Content addressable memories (CAMs) have significantly lower capacities than RAMs. Following a summary of large-capacity CAM applications and a brief tutorial look at CAM operation, this paper reviews the sources of this capacity disadvantage: comparator area overhead and difficulty implementing two-dimensional decoding. Past attempts at achieving higher(More)
Many appllications would benefit from the availability of large-capakcity content addressable memories (CAM's). However, while RAM'S, EEPROM's, and other memory types achieve ever-increasing per-chip bit counts, CAM's show little promise of following suit, due primarily to an inherent difficulty in implementing two-dimensional decoding. The serialized(More)
Space switches suffer from external blocking because of output port contention. We review contention resolution methods used to avoid external blocking, and choose a solution based on ring reservation, resulting in an elegant and efficient mechanism requiring only nearest-neighbor communications. In addition to external blocking, space switches suffer from(More)
— Performance studies, linking ATM switch capabilities to physical limitations imposed by integrated circuit technology , have been scarce. This paper explores trends in circuit capabilities, and makes projections toward the 0.25-m technologies that will be available to all switch designers in the year 2000. The limits imposed by circuit technology are(More)