What are the differences between Windows Clustering, Network Load Balancing and Round Robin, and scenarios for each use?
Cluster technologies are becoming increasingly important to ensure service offerings meet the requirements of the enterprise. Windows 2000 and Windows Server 2003 support three cluster technologies to provide high availability, reliability and scalability. These technologies are: NLB, CLB and Server cluster. These technologies have a specific purpose and are designed to meet different requirements. Server cluster provides failover support for applications and services that require high availability, scalability and reliability, and is ideally suited for back-end applications and services, such as database servers. Server cluster can use various combinations of active and passive nodes to provide failover support for mission critical applications and services. NLB provides failover support for IP-based applications and services that require high scalability and availability, and is ideally suited for Web tier and front-end services. NLB clusters can use multiple adapters and different b
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