Media Tech | Cloud Migration | Engineering a Secure, Multi-AZ Foundation for ContentLens’s AI-Driven Platform on AWS

Company

ContentLens
CSTN6

Industry

Media Tech

Website

www.contentlens.ai

Client Overview

ContentLens is an AI-powered content intelligence platform that helps organizations protect and manage their digital media assets at scale. As its user base and workload complexity grew, ContentLens needed a modern cloud foundation capable of supporting compute-intensive AI/ML workloads alongside its core application services, with consistent security, monitoring, and governance built in from the ground up.

Challenges

As ContentLens scaled its AI-driven platform, the team needed a network foundation that could isolate application and database tiers from public access, a managed approach to identity and access control, and a unified observability and cost-governance framework built for growth. The platform needed a resilient, highly available network foundation that could isolate application and database tiers from public access while still exposing services securely to end users. It also needed a managed approach to identity and access control across the environment, a purpose-built data layer capable of supporting multiple database engines with automated failover, and a unified observability and cost-governance framework to support the platform as it scaled. Migrating to AWS gave ContentLens the opportunity to rebuild this foundation on infrastructure purpose-built for high-availability, compute-intensive, security-conscious workloads.

Solution

Comprinno designed and deployed a three-tier AWS environment for ContentLens in the Mumbai region, built around a dedicated VPC spanning three Availability Zones, with public, private application, and private database subnets in each zone. An Internet Gateway handles inbound traffic through the public subnets, where the Application Load Balancer and bastion host reside, while application and database tiers remain fully isolated in private subnets with no direct route to the internet.

 

Key Actions

  1. Identity and Network Foundation: AWS IAM Identity Center was implemented to provide centralized, SSO-based access management across the environment, replacing the need for individually managed IAM users. Comprinno designed the three-tier VPC architecture across three Availability Zones, with a dedicated bastion host serving as the sole secure access path into the private application and database subnets.
  2. Application Hosting and Traffic Routing: ContentLens's application and API services run on EC2 instances in the private application subnets, sized appropriately across general-purpose, memory-optimized, and GPU-accelerated instance types to support both standard application workloads and AI/ML inference at scale. An Application Load Balancer, secured with ACM-issued and auto-renewing SSL/TLS certificates, routes incoming HTTPS traffic to the appropriate backend service using host- and path-based rules, with dedicated target groups enabling independent health monitoring and zero-downtime deployments for each service.
  3. Data and Caching Layer: Comprinno deployed Amazon RDS for both PostgreSQL and MySQL as fully managed relational databases, each running in Multi-AZ configuration across private database subnets for automatic failover and high availability. An Amazon ElastiCache for Redis cluster was added as a low-latency in-memory caching layer, also deployed in Multi-AZ mode, to reduce database load and improve application response times. Database credentials are securely managed through AWS Secrets Manager, eliminating hardcoded credentials from the application layer.
  4. Security and Compliance Foundation: AWS WAF was deployed in front of the Application Load Balancer with a layered set of AWS Managed Rule Groups covering common web exploits, known bad inputs, and SQL injection, along with a custom rate-limiting rule, strengthening ContentLens's defenses against malicious traffic. AWS CloudTrail was enabled to provide a complete, centrally stored audit trail of all account activity, supporting security auditing and operational troubleshooting across the environment.
  5. Observability and Cost Governance: Comprinno built a consolidated Amazon CloudWatch dashboard giving ContentLens's operations team a single-pane view of compute, load balancer, database, and cache health, backed by a comprehensive set of metric alarms that notify the team through Amazon SNS the moment a threshold is breached. AWS Budgets was configured with both monthly and daily cost tracking, with alerts at key spend thresholds, giving ContentLens early visibility into cost trends and helping prevent unexpected spend as the platform scales.

 

Architecture Overview

The ContentLens AWS environment is built around a dedicated VPC spanning three Availability Zones, each with a public, application, and database subnet. Incoming user traffic passes through an Internet Gateway to the Application Load Balancer in the public subnet, which routes requests to backend EC2 instances running in an Auto Scaling group across the application subnets, giving the platform the ability to scale compute capacity in line with demand. A NAT Gateway in the public tier provides controlled outbound internet access for instances in the private application subnets, which otherwise have no direct route to the internet. Each Availability Zone's database subnet hosts a Multi-AZ ElastiCache Redis cluster alongside Multi-AZ RDS instances for both PostgreSQL and MySQL, fully isolated from public access and reachable only from the application tier. Account-level services, including IAM Identity Center, AWS WAF, ACM, Secrets Manager, and CloudTrail, provide a consistent identity, security, and audit foundation across the environment, while Amazon S3 supports application and log storage, and CloudWatch with SNS delivers unified monitoring and alerting across the stack.

Benefits

  • Resilient, Highly Available Infrastructure: The three-tier VPC architecture distributed across three Availability Zones, combined with Multi-AZ deployments for both the database and caching layers, ensures continued availability even in the event of an Availability Zone failure.
  • Purpose-Built Compute for AI Workloads: Dedicated GPU-accelerated compute alongside general-purpose application instances allows ContentLens to run demanding AI/ML inference workloads efficiently, without over-provisioning standard application resources.
  • Proactive Cost Governance: Monthly and daily AWS Budgets with threshold-based alerts give the ContentLens team early visibility into spend trends, enabling proactive cost management as the platform scales.
  • Unified Operational Visibility: A consolidated CloudWatch dashboard and a comprehensive alarm framework, tied to real-time SNS notifications, give the operations team a single, reliable view into the health of the entire stack.

Conclusion

By migrating ContentLens's infrastructure from Microsoft Azure to Amazon Web Services, Comprinno built a secure, resilient, and highly observable foundation purpose-built to support ContentLens's AI-driven content intelligence platform. Combining a highly available three-tier network architecture, GPU-ready compute for AI/ML workloads, Multi-AZ managed databases and caching, and a layered security and cost-governance framework, Comprinno delivered an infrastructure that gives ContentLens the scalability, security, and operational visibility it needs to support its continued growth.

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