要说 OpenStack 的优点，技术人员能说出一堆词汇，如开源、弹性、稳定、可扩展、迅速搭建私有云、对硬件要求不高、解耦、能快速扩展新业务等等。但实际应用的案例为何这么少。

迪斯尼是一个有魔力的组织，在它的电影里冤家可以变伙伴。甚至 CloudStack 和 OpenStack 两大私有云死对头来到迪斯尼这个神奇的地方也可以“在一起”。当迪斯尼决定建设自己的云计算基础设施时，与很多企业一样面临一个艰难的抉择，从众多云计算技术方案和产品中选择一条道路。如今的云计算市场规模已 达数百亿美元，水已经很深，领头的是亚马逊这样的公共云巨头，以及亚马逊的对手们：Rackspace、Google、CloudStack、 Eucalyptus、OpenNebula 等多种私有云和公共云技术与服务，每家都有绝活和独到之处。

With the release of Citrix XenServer 6.2, Citrix is pleased to announce that XenServer is now fully open source. In this video, Richard Sharp, Vice President of XenServer Product Development, explains why Citrix open sourced XenServer, what it means to our customers and how it will help the entire XenServer platform.

Sameer Dholakia, Vice President and General Manager of the Citrix Cloud Division, talks about the full open source strategy for XenServer. Learn why Citrix made XenServer open source and how this will benefit our customers and ecosystem partners.