8 Load-balancing applications
An important component of highly available applications is how to distribute traffic across all your VMs. In chapter 7, you learned the difference between Availability Zones and Availability Sets, as well as how you can create multiple VMs across Azure datacenters or regions to provide application redundancy. Even if you have all these highly available and distributed VMs, that doesn’t help if only one VM receives all the customer traffic.
Load balancers are network resources that receive the incoming application traffic from your customers, examine the traffic to apply filters and load-balancing rules, and then distribute the requests across a pool of VMs that run your application. In Azure, there are a couple ...
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