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Lillie Mae
Lillie Mae

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SIMPLE WAYS TO ENSURE HIGH AVAILABILITY FOR APPLICATIONS HOSTED IN AZURE.

HIGH AVAILABILITY IN AZURE: This refers to the capability of ensuring that applications and services hosted in the Azure cloud infrastructure are accessible and operational without significant downtime. It involves implementing strategies and utilizing Azure services to minimize service disruptions and maintain continuous availability.

1. Employ Azure Load Balancer: Azure Load Balancer distributes incoming network traffic across multiple virtual machines (VMs) or instances of your application. It helps achieve high availability by distributing the workload and automatically routing traffic to healthy instances in case of failures.

2. Deploy Azure Traffic Manager: Azure Traffic Manager enables you to distribute user traffic across multiple endpoints (such as different Azure regions or availability zones). It can perform load balancing, failover, or even prioritize traffic based on different routing methods, ensuring your application remains accessible and responsive.

3. Utilize Azure Availability Zones: Azure provides the concept of Availability Zones, which are physically separate data centers within a region. By deploying your application across multiple availability zones, you can ensure that even if one zone goes down, your application remains available in other zones.

4. Purchase Azure Application Gateway: Azure Application Gateway acts as a web traffic load balancer that provides layer 7 (application layer) load balancing and advanced application delivery features. It can handle application-level routing, SSL termination, and other features that improve the performance and availability of your application.

5. Utilize Azure Functions with App Service Plans: Azure Functions is a serverless compute service that allows you to run your application code in a scalable and event-driven manner. By using App Service Plans with Azure Functions, you can automatically scale your application based on demand, ensuring high availability during peak usage periods.

N/B: Remember that high availability also depends on proper design considerations, such as using redundant storage, configuring automatic backups, monitoring application health, and designing for fault tolerance.

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