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Understanding Availability Sets and Availability Zones

techielass_ms's avatar
techielass_ms
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Dec 17, 2020
When learning something new there are a lot of phrases, terms and theory to learn and when learning Azure the same is true. One of the things you should be aware of within Azure is the difference and...
Updated Mar 06, 2023
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Sarah Lean
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RishabhJain
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Jan 05, 2021

IntvPrime  : Availability Sets and VMSS are two completely different concepts. While the former aims at improving the SLA of VMs, by distributing them across Fault domains(to provide resilience in case of unplanned outage) and Update domain(to provide resilience in case of planned maintenance), the latter aims to provide scale-out or scale-in based on the utilization of the VMs in the pool. VMSS doesn't aims to improve the SLA of the VMs in the scale set. 

This article aims at explaining how Availability sets and Availability zones aim to improve SLA using two very difference approaches.