ConntrackHASH lookup/Bloom filtering/CACHE lookup/large package/small packet/hierarchical processing style in protocol stack Processing

ConntrackHASH lookup/Bloom filtering/CACHE lookup/large package/small packet/hierarchical processing style in protocol stack Processing
1. the Hierarchical Storage System of the advantages and disadvantages of Route CACHE has been in existence for many years. Its essence is to "minimize the fastest memory and maximize the slowest memory ", this results in the maximization of resource utilization, which not only improves access efficiency, but also saves resources. This is the basic principle of all CACHE designs.
1.1.1.0/24-1900001.254 ==>{ (2.2.2.1, 1.1.1.1, 192.168.1.254), (2.2.2.2, 1.1.1.1, 192.168.1.254), (2.2.2.3, 1.1.1.2, 192.168.1.254), (2.2.2.3, 1.1.1.10, 192.168.1.254 )...}
A. Only one Bloom filter returns 1;