Patent ID: 7856027

Claim:
An incoming LAN traffic management system comprising: an I/O adapter configured to receive incoming packets from an Ethernet; a plurality of hosts coupled to the I/O adapter and each having a host buffer; a data router configured to block information received by the I/O adapter into blocks and store the blocks in a storage block address list (SBAL) associated with at least one of the plurality of hosts and in accordance with blocking parameters for the at least one of the plurality of hosts, the data router including an expiration engine configured to expire the SBAL before it is full if at least one predetermined threshold is exceeded; and a search engine in electrical communication with the expiration engine and configured to locate an active SBAL, the search engine configured to: examine a two-dimensional array having sequential rows and containing representations of active SBAL's and wherein examining includes performing a first pass beginning at a cell at a first offset in a first row and a second pass after completion of the first pass beginning at a cell at a second offset different than the first offset in the next sequential row.