Deploying Microsoft Clusters in Virtuozzo-Based Systems

Windows Server 2003 comes with two main built-in clustering technologies:

• Microsoft Clustering Service (MSCS). This kind of clustering technology allows you to provide high availability for your mission-critical applications (including the Virtuozzo Containers 4.0 software itself) through the failover of resources. Running one and the same application on two or more servers in the cluster helps ensure high application availability if one of the servers fails. The clustering software controls the failover process so that the application continues running on the second server, without any loss of data and without interruption in service.
• Microsoft Network Load Balancing (NLB). This kind of clustering technology allows you to provide scalability and high availability for TCP- and UDP-based services and applications (e.g. for Web servers and Terminal Services) by load balancing incoming IP traffic across several servers in the cluster.

Virtuozzo Containers 4.0 allows you to deploy both types of clustering technologies in your working environments. Detailed information on how you can do it is provided in the following sections.

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