Case Study

Enhanced Network Security and Performance for a Software Development Firm with AWS Transit Gateway

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Industry 

Software Development

Expertise 

Amazon VPC, AWS Transit Gateway, AWS IAM, NAT Gateway, AWS WAF

Offerings/solutions 

Optimized cloud security, scalability, and DevOps efficiency.

About the Client

Asista, with 8+ years of enterprise trust, is an AI-driven platform that streamlines ITSM and customer engagement through intelligent workflows, multi-channel integration, and automation tools like self-service portals, ticketing, and chatbots. Trusted by Fuji Electric India, Aditya Birla Group, Kalyan Jewellers, NTT Data, and more.

Highlights

70%

Improved Security

20%

Cost Reduction

25%

Faster Provisioning

The Challenge

The customer’s DigitalOcean setup lacked advanced networking features like private subnets, segmentation, and centralized routing, making it difficult to isolate workloads, manage traffic, and implement inter-region connectivity or disaster recovery.

Solutions

• Used AWS Control Tower and Organizations with standardized policies across accounts.
• Created resilient VPCs with unique CIDRs and multi-AZ subnets.
• Deployed AWS Transit Gateway for simplified routing and outbound traffic management.
• Built fault-tolerant VPCs with NAT Gateways and dedicated route tables.
• Enabled blue/green deployments with ALBs, Amazon Route 53, and TLS termination.
• Configured private Amazon Route 53 zones for service discovery and DNS failover.
• Used Amazon CloudFront and AWS WAF for caching, DDoS mitigation, and protection.
• Enforced least-privilege access with Security Groups, NACLs, and AWS Network Firewall.
• Enabled observability with Flow Logs, Amazon CloudWatch, AWS CloudTrail, and Network Manager.
• Secured access with SSM Session Manager and bastion hosts.

The Results

Enhanced network security by 70%, optimized costs by 20%, and improved performance and monitoring efficiency through AWS Transit Gateway, Amazon EKS scaling, and DevOps automation tools.

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