Which Azure service provides automatic scaling for web applications based on traffic load? Learn how Azure App Service enables seamless scaling, high availability, and cost optimization for web apps.
Table of Contents
Question
A business needs to implement a solution that can automatically scale web applications based on traffic load. Which Azure service should they use for this requirement?
A. Azure Virtual Machines
B. Azure App Service
C. Azure Kubernetes Service
D. Azure Load Balancer
E. Azure Functions
Answer
B. Azure App Service
Explanation
Azure App Service automatically scales web applications based on traffic demand, providing a platform for building and deploying scalable web apps without managing the infrastructure.
The best Azure service for automatically scaling web applications based on traffic load is Azure App Service.
Azure App Service is a fully managed platform-as-a-service (PaaS) that allows you to build, deploy, and scale web applications and APIs quickly.
- Automatic Scaling: App Service features built-in automatic scaling capabilities that monitor incoming HTTP traffic and automatically increase or decrease the number of running instances to match demand, without manual intervention or complex rule configuration.
- Scale Out and Scale In: The platform can scale out (add more instances) as traffic increases and scale in (reduce instances) when demand drops, optimizing both performance and cost.
- Customizable Limits: Developers can set minimum and maximum instance counts to control resource usage and prevent backend bottlenecks.
- No Infrastructure Management: Azure App Service abstracts away infrastructure management, letting you focus on your application's code and business logic.
- High Availability: By distributing traffic across multiple instances and supporting pre-warmed instances, Azure App Service improves availability and resiliency under varying load conditions.
- Integrated Monitoring: The service provides built-in monitoring and health checks to ensure your application remains responsive and reliable as it scales.
Azure App Service automatically scales web applications based on traffic demand, providing a managed platform that handles scaling decisions, improves availability, and optimizes resource costs without requiring manual infrastructure management.
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