Abstract
Connection management uses hash table. Hash function and data structure are both the bottleneck technology. For balancing computation cost and uniformity of hash function, three new hash functions were devised——the Random number Mapping Xor (RMX) function based on random number table mapping, the Segment Sampling Xor (SSX) function and Byte by Byte Shift Xor (BBSX) function based on segment generation and bit operations. The results show that these three functions are all better than IPSX on uniformity. This paper analyzed memory access performance and miss rate of multiple slots hash table, and presented the technical idea for shorting packet process time in connection management. Simulation is described.
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