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Line 12: Microsoft has also developed a technology called Network Load Balancing (NLB) that allows for efficient utilization of multiple network cards. MS NLB can be configured in [[unicast]] or in [[multicast]] mode<ref name='ovw'>TechNet [http://technet.microsoft.com/en-us/library/cc725691.aspx Overview of NLB], visited 8 June 2013</ref> where in multicast mode you can enable [[IGMP snooping]] ~~in the switch, which also suppose you are using layer 3 multicast router, to initiate IGMP queries~~. MS NLB was introduced for the first time in [[Windows NT 4.0\|Windows NT server]] to spread traffic over multiple hosts without the need for a hardware based load balancer, eg when you host a busy web-server application where a single host wouldn't be able to manage all the traffic. And in more recent applications it would be used in Windows clusters for [[Hyper-V]] or [[Microsoft SQL Server]]

Network load balancing: Difference between revisions