HIGH AVAILABILITY

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Depending on the service-level agreement (SLA) that you choose, your cloud-based applications can provide a continuous user experience with no apparent downtime even when things go wrong.

Your ability for your service to remain available by ensuring there is NO single point of failure and or ensure a certain level of performance.

• Having multiple servers in multiple datacenters to reroute traffic.
• Running your workload across multiple Availability Zones ensures that if 1 or 2 Az's become unavailable, your service / applications remains available.
• Azure Load Balancer: A load balancer allows you to evenly distribute traffic to multiple servers in one or more datacenters.

If a data center or server becomes unavailable (unhealthy) the load balancer will route the traffic to only available datacenters with servers.

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