TCP search optimization method under high performance calculating network
A technology of high-performance computing and optimization methods, applied in the field of TCP search optimization, can solve the problems of deterioration of hash table performance, insufficient cache, and increase of cache size, so as to reduce the probability of hash collision, meet high-performance networks, and reduce cache. effect of size
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[0034] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention will be further explained below in conjunction with specific embodiments.
[0035] The present invention no longer uses the 4-tuple of the TCP session, that is, the source IP address, destination IP address, source port, and destination port to generate the hash value, but uses 32 bits according to the TCP magnitude of one million or one hundred million. And a 16-bit short signature to mark the TCP session. Since there is no need to store the complete TCB identifier in the hash table, but only short signatures, the size of the hash table is greatly reduced, and the cache required for searching is also greatly reduced. The main function of the signature algorithm is data compression, which may cause matching conflicts, that is, different TCP sessions happen to have the same signature. Therefore, whenever the signature of the cor...
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