Abstract
Data compression techniques can alleviate low bandwidth problems in multigigabit networks and are especially useful when combined with encryption. This paper presents a reconfigurable hardware compressor core, the Titan-R, which can compress data streams at 8.5 Gb/sec making it the fastest reconfigurable such device ever proposed. Its compression algorithm is a variation of the most widely used and efficient such scheme the Lempel-Ziv (LZ) algorithm that uses part of the previous input stream as the dictionary. In order to support this high network throughput the Titan-Rutilizes a very fine-grained pipeline and takes advantages of the high-bandwidth provided by the distributed on-chip RAMs of the state-of-the-art FPGAs.
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