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Dominant Fibre Channel switch vendors Brocade and McData have both made significant enhancements to their midrange 2Gb/s Fibre Channel switch platforms: Brocade, with its new 32-port SilkWorm 3900, and McData with the 24-port Sphereon 4500.
According to Steve Beer, director of product marketing for Brocade's high volume platforms, the 3900 will be used by organizations that already have a SAN, but are ready to expand their port count. "It's a cost-effective building block that lets you have a limited number of switches for management purposes, but still have a relatively high port count," he says. Alternately, says Beer, the 3900 could be used as an edge switch, as a complement to a SilkWorm 12000.
McData's Sphereon, meanwhile, targets the same basic niche-departmental workgroups, as well as large SAN environments that need edge switching capabilities, says Arun Taneja, senior analyst at the Enterprise Storage Group. The Sphereon 4500 also features online diagnostic tools, redundant power and cooling and free SANPilot software for managing SANs of up to six switches.
The Sphereon comes with 24 ports, but users can start with 8 or 16 ports, and upgrade with a simple software key. Randy Kerns, senior partner at the Evaluator Group, describes this as "a nondisruptive, economical way to grow your switching needs," that will be very appealing to small- to medium-sized businesses.
In edge deployments, the question isn't so much scalability, as it is
"I think that hot code load will be important in every switch product-not just directors," says Taneja. "If you're using both core director and edge switches, you want to be able to upload [the firmware] without bringing them down."
This was first published in November 2002