- inline & staticly allocated hash table
- increased hashtable size (32bit: 1024, 64bit: 65536)
- re-arrange subnet members
- Add key type
- reduce clearing of hash table
- cleanup key pointer operations
- removed unused hash_search_or_insert
- add open addressing to hash table
- type specific hash functions & hash seeding
- no collisions for 32bit os
- implement cache flush by SUBNET_MAC