Load balancing and advanced traffic routing
Many PaaS options in Azure, such as Web Apps and Functions, automatically scale as demand increases (and within limits you set). For this to function, Azure places services such as these behind a load balancer to distribute the load between them and redirect traffic from unhealthy nodes to healthy ones.
There are times when either a load balancer is not included, such as with VMs, or when you want to provide additional functionality not provided by the standard load balancers – such as the ability to balance between regions. In these cases, we have the option to build and configure our load balancers. You can choose several options, each providing its capabilities depending on your requirements.
Azure Load Balancer
Azure Load Balancer allows you to distribute traffic across VMs, allowing you to scale apps by distributing load and offering high availability. If a node becomes unhealthy, traffic is not sent to us, as shown in the...