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10-Gig IP SANs Hit Bleeding Edge: Page 3 of 4

"We'll probably look at ten-gig for the entire network," he explains. "We'll require more disk as part of our migration strategy."

That makes sense, considering the Nimbus 10G system has one 10-GigE port in and 48 GigE ports out, making it good for aggregating servers. According to Isakovich, the price difference is about $6,000 to $8,000 for MX4 and 10G systems with the same capacity.

Other users will want to wait for wider support and better pricing before switching to 10 GigE. Alan Hunt, manager of operations for law firm Dickinson Wright, says he would like to incorporate 10 GigE as an interface between his IBM BladeCenter blade servers, his switch fabric, and his EqualLogic IP SAN. His firm already uses 10-GigE to interconnect Extreme Networks switches, but not for connections to servers and storage.

"I would like to be able to add a BladeCenter into that stack some day as well as add the IP SAN," he reckons. "I can get rid of a lot of cables coming out of the BladeCenter."

But even if EqualLogic did have a 10-GigE system, Hunt thinks it wouldn't make economic sense yet, due to the cost of 10-GigE interfaces for BladeCenters: "It's almost like I'm trying to duplicate Fibre Channel when you look at the costs of the connections."