Case Study

Improved AWS Infrastructure for Performance in the Oil and Gas Industry

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Industry 

Oil and Gas Industry

Expertise 

AWS Transit Gateway, AWS Systems Manager, AWS Cognito, AWS Directory Service, Amazon Route 53

Offerings/solutions 

Integrated Network Solution Providing Secure Access and Efficient DNS Management

About the Client

The Oil and Gas industry is an oil and gas company owned by the Ministry of Petroleum and Natural Gas, Government of India. It is a public sector undertaking overseen by the Ministry of Petroleum and Natural Gas. As of 2022, Oil and Gas is ranked 94th on the Fortune Global 500 list of the world’s largest corporations. It is the largest government owned oil producer in the country, both in terms of capacity and revenue.

Highlights

100%

DNS integrity

99.9%

System Uptime

50%

Reduced security incidents

The Challenge

Oil and Gas Industry faced significant challenges in modernizing and scaling its IT infrastructure to support its extensive operations. The existing infrastructure lacked the flexibility needed to scale resources quickly in response to fluctuating demands, necessitating a scalable and resilient network architecture to support various environments. Additionally, managing a complex network with multiple VPCs required seamless and secure connectivity between on-premises data centers and AWS environments

Solutions

  • Implemented Amazon VPC with multiple VPCs for various environments using defined CIDR blocks.
  • Structured network design included subnets, security groups, NACLs, route tables, and VPN.
  • Configured Transit Gateway in the shared services Amazon VPC for hub-and spoke network connectivity.
  • Enabled attachments for future scalability to non-production VPCs.
  • Deployed Internet Gateway and assigned Elastic IPs for egress traffic
    management.
  • Implemented Linux and Windows bastion hosts in private subnets for secure access.
  • Utilized AWS Systems Manager Session Manager for controlled access.
  • Established Site-to-Site VPN connections for secure communication with on premises data centers.
  • Integrated Azure AD with AWS Cognito for user authentication and
    authorization.
  • Set up AWS AD Connector as a backup for on-premises Active Directory integration.
  • Configured Amazon Route 53 for DNS management with hosted zones and DNSSEC signing for security.

The Results

Enhanced the client’s AWS infrastructure for improved performance, resilience, and security with VPC, bastion hosts, Azure AD integration, Route 53 configuration, and DNSSEC signing.

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