In addition, a hybrid cloud or virtual private cloud implementation would require a cross-domain single sign-on option, therefore federation will play a role as well.

此外，混合云或虚拟私有云实现都要求使用跨域的单点登录方法，因此联合机制也会在这里发挥重要作用。

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A grid can also be constructed on a LAN; in fact a private cloud is really a kind of virtual private grid.

网格也可以在LAN上进行搭建，事实上，私有云其实就是一种虚拟私有网格。

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WebSphere CloudBurst is a complete solution for managing the entire lifecycle of virtual systems in a private cloud.

WebSphere CloudBurst 为管理私有云中的虚拟系统的完整生命周期提供了综合的解决方案。

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Customers of this new offering will use the Amazon Virtual Private Cloud to organize their cloud resources.

FORBES: Amazon Launches Its GovCloud

For most Stackato customers, this means their own private cloud, whether on-premise or a hosted virtual private cloud (or even a combination of both as a hybrid cloud setup).

FORBES: Connect

In the Pilot Texas Cloud Offering (PTCO), a small group of agencies were allowed to choose a virtual private cloud-based infrastructure as a service from a marketplace of service providers made available by a cloud broker.

FORBES: Cloud Management Broker: The Next Wave In Cloud Computing