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LightSand Buys SANcastle: Page 3 of 3

He says most SAN architects don't design Fibre Channel networks with more than two hops because beyond that it becomes cumbersome. As a result, companies have had to resort to high-port-count, director-class switches to build large-scale SANs. With AR/DAT, users can interconnect small SAN switches in a manner similar to routed IP networks.

"We become a SAN connectivity company that complements what the big switch guys do," says Black.

He also notes that members of LightSand's board include chairman Kumar Malavalli, founder of Brocade Communications Systems Inc. (Nasdaq: BRCD); and Art Money, who was Assistant Secretary of Defense in the Clinton administration, responsible for all military communications infrastructure.

"We've seen strong demand for moving storage over distance in the government... not the least of which is because the Pentagon got a wakeup after 9/11 for not doing long-distance replication," Black says.

Todd Spangler, US Editor, Byte and Switch