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Introduction to Azure Load Balancers

Explore how Azure Load Balancers improve service reliability by routing traffic to healthy backend instances. Learn core components, types, and configurations to build load-balanced web services in Azure.

Services fail, web servers go down, databases go offline, and network glitches happen; it’s inevitable. To ensure services to end-users remain up amongst these failures, you must add a resource that intelligently “routes” traffic to redundant services. One way to add high-availability to services in Azure is to use Azure Load Balancer.

Azure Load Balancer is an Azure resource that sits in front of various internal and public-facing services that accept inbound connections. Rather than having a web service or database accept inbound connections directly, Azure Load Balancer is the front line that accepts connections for them.

What does offloading incoming connections to Azure Load ...