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In this paper, we present an efficient IP packet forwarding technique and its architecture. One forwarding table is decomposed into two balanced smaller sub-forwarding tables by a novel splitting rule. Therefore, an IP lookup can be converted into two small sub-lookups. After comparing the information attached by matching sub-prefixes from both sub-lookups, the output of an incoming packet can be determined. The sub-lookups and information comparison can perform in parallel, so our approachdoi:10.1109/icc.2004.1312664 dblp:conf/icc/XuDLZ04 fatcat:v6jkssi6bzby7cco7viyrv6fkq