Dell'Oro

Dell'Oro Group forecasts the enterprise WiFi market will grow roughly 12% annually through 2015.

Aruba Shares Look Beached Rolfe Winkler 2011

Here, Cisco's market share has fallen from roughly 61% to 54% over the past year, estimates Dell'Oro.

Cisco Grapples With Shock to System Rolfe Winkler 2011

Cisco's advantage is its vast installed base – 43% of the $1.34 billion market in the second quarter, according to Dell'Oro.

Cisco's top 10 rivals Jim Duffy 2010

Roughly 40% of Aruba's revenue comes from selling high-margin controllers, Dell'Oro says.

Aruba Shares Look Beached Rolfe Winkler 2011

Cisco entered the Fibre Channel SAN business in 2002 and, after initially taking half of the modular SAN switch market in 2007, has fallen to 36% share of the $843 million market in 2009, according to Dell'Oro.

Cisco's top 10 rivals Jim Duffy 2010

Blade is the No. 2 vendor of 10Gbps Ethernet Blade switches for the data center, behind HP and ahead of Cisco, according to Dell'Oro Group.

IBM buys into data center switching with Blade acquisition Jim Duffy 2010

In that time, Brocade's share rose from 50% in 2007 to its current 64%, according to Dell'Oro.

Cisco's top 10 rivals Jim Duffy 2010

Indeed, Avaya and Cisco are Nos. 1 and 2 in enterprise telephony, according to Dell'Oro Group, with 17% and 14.6% shares, respectively, of the $12 billion market in 2009.

Cisco's top 10 rivals Jim Duffy 2010

Aruba is especially strong in higher education, healthcare and other enterprise verticals, and is outpacing Cisco in 802. 11n penetration, according to Dell'Oro Group.

Cisco's top 10 rivals Jim Duffy 2010

The company remains Cisco's one and only rival in core Internet routing with a 30% share of the $643 million market in the second quarter, according to Dell'Oro Group.

Cisco's top 10 rivals Jim Duffy 2010