HP is leading the global Cloud IT infrastructure market in the second quarter with 16.3 percent share, while Dell is in the second position.
Cisco, EMC and Lenovo are the three Cloud IT infrastructure vendors.
The share of HP in the worldwide Cloud IT infrastructure market increased to 16.3 percent from 15.6 percent.
Dell increased its share in the Cloud IT infrastructure market to 11.1 percent from 9.6 percent. Cisco share dipped to 9.5 percent from 9.6 percent. EMC share dropped to 7.1 percent from 7.8 percent.
Cloud IT infrastructure vendor revenue rose 25.7 percent year over year to $6.9 billion in the second quarter of 2015, said IDC.
The main components of Cloud IT infrastructure are products such as server, storage, and Ethernet switch for cloud IT, including public and private cloud.
The overall share of cloud IT infrastructure sales increased to 31.4 percent from 26 percent.
Revenue from infrastructure sales to private cloud grew 19.5 percent to $2.8 billion, while growth in infrastructure sale to public cloud was 30.4 percent to $4.1 billion.
Revenue in the non-cloud IT infrastructure segment decreased 3.5 percent, with declines in all three technology segments such as servers, storage and Ethernet switch.
All three technology markets showed strong growth in both private and public cloud segments, with Ethernet switches experiencing the highest growth in private cloud at 30.1 percent and servers with the highest growth in public cloud at 36.6 percent.
Vendor revenues from cloud IT infrastructure sales grew 64.8 percent in Japan, 49.9 percent in Asia Pacific (excluding Japan), 40 percent in Canada, and 23.5 percent in USA. Central and Eastern Europe declined 18 percent,