10G drives Q3 sales for Ethernet switches, and for Cisco

HP and Juniper also benefit, according to Dell'Oro

Perhaps to no one's surprise, 10G Ethernet and data center switching led growth of the overall Ethernet switching market in Q3. Dell'Oro Group released some numbers this week that show demand for 10G Ethernet is strongest in the overall market.

Revenues, as previously reported, grew 33% percent year-over-year. Within that, 10G Ethernet and data center switches were responsible for most of the growth, Dell'Oro reports. 

Last year, 10G Ethernet accounted for about 18% of the overall $3.8 billion Ethernet switching market in Q3, 2009.

Even though Dell'Oro expects the overall market to slow "considerably" in 2011, 10G data center switches will continue to expand in both server connectivity and port aggregation applications, the firm notes. Top-of-rack 10G switches are expected to be particularly hot.

As noted before, Cisco, HP and Juniper grew the most in Ethernet switching in Q3. Investment firms said the overall market was $5 billion in the quarter. Oppenheimer, meanwhile, says Q4 will be down about 6% from Q3, 2011 will be flat with 2010, and Cisco will lose share next year.

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