Which Azure service distributes application traffic globally for high availability and performance? Learn how Azure Traffic Manager uses DNS-based routing to balance traffic across multiple regions, ensuring uptime and responsiveness.
Table of Contents
Question
A company wants to ensure high availability for their application by distributing traffic across multiple regions. Which Azure service should they use?
A. Azure Load Balancer
B. Azure App Service
C. Azure Traffic Manager
D. Azure CDN
E. Azure Blob Storage
Answer
C. Azure Traffic Manager
Explanation
Azure Traffic Manager is a global DNS-based traffic load balancer that distributes traffic across multiple regions, ensuring high availability and performance for applications.
The best Azure service for ensuring high availability by distributing application traffic across multiple regions is Azure Traffic Manager.
- Azure Traffic Manager is a DNS-based global traffic load balancer that directs client requests to the most appropriate service endpoint, based on traffic-routing methods such as performance, priority, or geographic location.
- It monitors the health of endpoints and provides automatic failover, ensuring that if one region or endpoint becomes unavailable, traffic is seamlessly redirected to healthy endpoints in other regions.
- Traffic Manager improves application performance by routing users to the closest (lowest latency) region, and it supports planned maintenance without downtime by directing traffic away from endpoints undergoing updates.
- It supports hybrid and complex deployments, including combining Azure and non-Azure endpoints, and can be integrated with other load balancing solutions for advanced scenarios.
- Compared to Azure Load Balancer (which operates at the network level within a single region), Traffic Manager is specifically designed for global, cross-region distribution and high availability.
Azure Traffic Manager is a DNS-based global load balancer that distributes traffic across multiple Azure regions, ensuring high availability, automatic failover, and optimal performance for applications by routing users to the best available endpoint.
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