Forum Discussion
Optimizing Three-Tier Architecture for Scalable, Secure, and High-Traffic Web Applications
What is your preferred approach for implementing a **three-tier architecture** to efficiently deploy modern web applications that can handle **high internet traffic** with **automatic scaling**?
Key considerations:
- **Security:** Restricting direct user access to only the frontend via a **public load balancer**, while shielding backend and database tiers from the internet.
- **Scalability & Availability:** Utilizing **Virtual Machine Scale Sets** to ensure high availability and reliability by distributing servers across multiple **Zones and Availability Sets**.
How do you structure your deployment to achieve optimal **performance, security, and resilience**? Let's discuss best practices!
2 Replies
are you looking 3 tier in Azure Infrastructure or onpremise infra
- For Frontend, Application Gateway with Load Balancer, CDN and WAF would suggested
- For Application related, should be another privtae subnet with scale sets
- For Database, would suggest looking for PaaS such as Azure SQL, necessary replication in Database level according to BIA, encryption probably a MUST for critical system \ data
Apart from above, IAM, NSG, VNets as well as proper monitoring is very important in view of BCM so that you can design a right resource and solution (e.g. DR, Auto-Healing)
