AWS Consulting Case Study


Navtark, a leading AWS consulting firm, was approached by an online shopping company based in Sydney, Australia, with the aim of optimizing their cloud infrastructure and enhancing the overall performance and scalability of their online platform. The client, a rapidly growing e-commerce company, had been facing challenges in managing their existing infrastructure and needed expert guidance to leverage the power of Amazon Web Services (AWS) for their business operations. This case study delves into the problems faced by the company, the challenges encountered, and the comprehensive solution offered by Navtark, resulting in significant improvements in their online shopping platform.

Problem Statement

The online shopping company in question had been experiencing various issues related to their cloud infrastructure. Their existing setup lacked scalability, resulting in poor performance during peak traffic periods, leading to dissatisfied customers and lost revenue opportunities. Additionally, their infrastructure was not cost-optimized, resulting in unnecessary expenditure on underutilized resources. The lack of robust security measures also raised concerns regarding data protection and compliance. Therefore, the company sought Navtark’s expertise to overcome these challenges and ensure a seamless and secure shopping experience for their customers.

The Challenges
  1. Scalability: The client’s online platform struggled to handle sudden spikes in user traffic, especially during sales events or promotional campaigns. The lack of auto-scaling capabilities resulted in slow page load times, frequent timeouts, and, in some cases, even complete service disruptions.
  2. Performance: Due to the inadequate infrastructure configuration, the client’s website experienced slow response times, impacting user experience and leading to increased bounce rates. The inefficiencies in database management and resource allocation exacerbated these performance issues.
  3. Cost Optimization: The client’s cloud infrastructure was not optimized, leading to unnecessary expenditure on unused or underutilized resources. This inefficiency had a significant impact on their operating costs, affecting their overall profitability.
  4. Security and Compliance: The company’s existing infrastructure lacked robust security measures, making it vulnerable to potential cyber threats and data breaches. Ensuring compliance with industry regulations, such as the Payment Card Industry Data Security Standard (PCI DSS), was also a pressing concern.


The Solution

Navtark proposed a comprehensive solution to address the challenges faced by the online shopping company. The solution focused on leveraging AWS services and best practices to enhance scalability, improve performance, optimize costs, and fortify security.

  1. Scalability Solution:Navtark recommended implementing AWS Auto Scaling, which automatically adjusts the number of Amazon EC2 instances based on real-time traffic patterns. This ensured that the client’s online platform could seamlessly handle sudden traffic spikes without impacting performance. Elastic Load Balancing was also employed to distribute traffic evenly across multiple instances, further enhancing scalability and availability.
  2. Performance Enhancement:To improve performance, Navtark proposed a multi-tier architecture using AWS services. This involved utilizing Amazon CloudFront, a global content delivery network (CDN), to cache and serve static content closer to end-users, reducing latency. Amazon ElastiCache, a managed in-memory caching service, was introduced to speed up database query response times and alleviate the load on the database servers. Navtark also recommended leveraging AWS Lambda for serverless computing, enabling the client to run code without provisioning or managing servers, thereby enhancing overall performance and resource utilization.
  3. Cost Optimization:To optimize costs, Navtark conducted a thorough analysis of the client’s existing infrastructure and usage patterns. They identified areas of overprovisioning and underutilization and proposed rightsizing instances and implementing AWS Cost Explorer to monitor and analyse usage patterns. The implementation of AWS Spot Instances for non-critical workloads and Reserved Instances for predictable workloads helped reduce costs significantly without compromising performance.
  4. Security and Compliance:Navtark recognized the importance of robust security measures and compliance adherence for the online shopping company. They proposed a multi-layered security approach using various AWS services. This included implementing Amazon Virtual Private Cloud (VPC) to isolate the client’s cloud resources and establish secure network boundaries. Navtark recommended the use of AWS Identity and Access Management (IAM) to manage user access and permissions effectively.
    To enhance data protection, Navtark advised the implementation of AWS Key Management Service (KMS) for secure key management and encryption of sensitive data at rest. They also suggested enabling AWS CloudTrail to capture API activity and monitor for any suspicious behaviour. Additionally, Navtark guided the client in implementing AWS Config to ensure continuous compliance with industry standards and regulations.
The Implementation

Navtark worked closely with the online shopping company to execute the proposed solution. The implementation process involved the following steps:

  1. Discovery and Assessment:Navtark conducted a comprehensive assessment of the client’s existing infrastructure, identifying pain points and areas of improvement. They analysed the current workload and performance metrics to establish a baseline for comparison.
  2. Architecture Design:Based on the assessment findings, Navtark designed a scalable and high-performing architecture that aligned with the client’s requirements. The architecture incorporated the recommended AWS services and best practices to address the identified challenges.
  3. Migration and Deployment:Navtark collaborated with the client’s IT team to plan and execute the migration of their existing infrastructure to the AWS cloud. They carefully orchestrated the deployment of resources, ensuring minimal disruption to ongoing operations. Navtark leveraged AWS CloudFormation to automate the infrastructure provisioning process, expediting the deployment and configuration tasks.
  4. Configuration and Optimization:Navtark configured and fine-tuned the AWS services to optimize performance, cost, and security. They established auto-scaling policies, set up load balancers, configured caching mechanisms, and implemented resource rightsizing strategies. Additionally, Navtark assisted in configuring monitoring and alerting mechanisms to ensure proactive identification of potential issues.
  5. Testing and Validation:Once the implementation was complete, Navtark conducted thorough testing to validate the performance, scalability, and security of the new infrastructure. They simulated various traffic scenarios to ensure the system could handle peak loads and maintain responsiveness. Navtark also conducted vulnerability assessments and penetration testing to identify and address any potential security vulnerabilities.


Technical Description
  1. AWS Auto Scaling:Navtark implemented AWS Auto Scaling to automatically adjust the number of Amazon EC2 instances based on traffic demand. This involved defining scaling policies and leveraging Amazon CloudWatch metrics to trigger scaling events. The auto-scaling group ensured that the client’s infrastructure could handle sudden traffic surges and maintain optimal performance.
  2. Elastic Load Balancing:Navtark utilized Elastic Load Balancing to distribute incoming traffic across multiple EC2 instances, enhancing scalability and availability. They configured the load balancer with health checks to monitor the health of the instances and automatically reroute traffic away from unhealthy instances.
  3. Amazon CloudFront:To improve performance, Navtark leveraged Amazon CloudFront, a global CDN service. They configured CloudFront to cache and serve static content, reducing the latency experienced by end-users. This ensured faster content delivery and improved overall website performance.
  4. Amazon ElastiCache:Navtark introduced Amazon ElastiCache, a managed in-memory caching service, to speed up database query response times and reduce the load on database servers. By caching frequently accessed data in-memory, ElastiCache minimized the need for repeated database queries, resulting in significant performance improvements.
  5. AWS Lambda:Navtark recommended AWS Lambda for serverless computing, enabling the client to run code without managing servers. They implemented Lambda functions to offload certain processing tasks, such as image processing or backend operations, to Lambda. This approach improved resource utilization and allowed for efficient scaling based on demand, leading to enhanced performance and cost savings.
  6. AWS Cost Explorer:To optimize costs, Navtark utilized AWS Cost Explorer to monitor and analyse the client’s resource usage and spending patterns. They provided the client with detailed cost reports and recommendations for rightsizing instances, eliminating underutilized resources, and implementing cost-saving measures. By actively managing costs and identifying areas of optimization, Navtark helped the client achieve significant cost reductions while maintaining performance levels.
  7. AWS Spot Instances and Reserved Instances:Navtark implemented a mix of AWS Spot Instances and Reserved Instances to further optimize costs. Spot Instances allowed the client to leverage spare AWS capacity at significantly reduced prices for non-critical workloads. Reserved Instances provided cost savings for predictable workloads with a reserved capacity commitment. By strategically utilizing these purchasing options, the client achieved substantial cost savings while maintaining the required performance levels.
  8. Amazon VPC and IAM:Navtark implemented Amazon Virtual Private Cloud (VPC) to isolate the client’s cloud resources and establish secure network boundaries. They defined VPC subnets, routing tables, and network access control lists (ACLs) to create a secure and controlled environment. Additionally, Navtark utilized AWS Identity and Access Management (IAM) to manage user access and permissions, ensuring that only authorized personnel had appropriate levels of access to the client’s resources.
  9. AWS Key Management Service (KMS):To address security concerns, Navtark implemented AWS Key Management Service (KMS) for secure key management and encryption of sensitive data at rest. They worked with the client to define encryption policies and integrate KMS with the client’s applications and data storage systems. This ensured that sensitive data remained protected and complied with industry security standards.
  10. AWS CloudTrail and AWS Config:Navtark enabled AWS CloudTrail to capture API activity and monitor for any suspicious behaviour. This provided an audit trail of all AWS API calls made within the client’s environment, enhancing visibility and security. Additionally, Navtark implemented AWS Config to continuously assess and audit the client’s AWS resource configurations, ensuring compliance with industry standards and best practices. AWS Config allowed for real-time monitoring, configuration tracking, and automatic remediation of any non-compliant resources.
The Outcome

The implementation of Navtark’s comprehensive solution brought about significant improvements for the online shopping company in Sydney, Australia. The outcomes achieved include:

  1. Enhanced Scalability:By leveraging AWS Auto Scaling and Elastic Load Balancing, the client’s online platform became highly scalable, capable of handling sudden traffic spikes without performance degradation. This resulted in improved customer satisfaction, reduced downtime, and increased revenue opportunities during peak traffic periods.
  2. Improved Performance:The implementation of Amazon CloudFront, ElastiCache, and AWS Lambda resulted in faster page load times, reduced latency, and overall improved performance of the online shopping platform. Users experienced quicker response times, leading to higher engagement, lower bounce rates, and increased conversions.
  3. Cost Optimization:Navtark’s cost optimization strategies, such as rightsizing instances, utilizing AWS Spot Instances, and implementing Reserved Instances, helped the client significantly reduce their infrastructure costs. The client gained better visibility into resource utilization and achieved substantial cost savings without compromising performance or scalability.
  4. Strengthened Security and Compliance:Through the implementation of Amazon VPC, IAM, KMS, AWS CloudTrail, and AWS Config, the client’s infrastructure and data security were significantly strengthened. The risk of data breaches and unauthorized access was minimized, ensuring compliance with industry regulations such as PCI DSS. This instilled confidence in customers and helped the client maintain a trustworthy and secure online shopping environment.

Navtark’s AWS consulting services provided a comprehensive solution to the online shopping company based in Sydney, Australia, addressing their challenges related to scalability, performance, cost optimization, security, and compliance. By leveraging various AWS services and best practices, Navtark successfully transformed the client’s cloud infrastructure, resulting in improved operational efficiency and customer satisfaction.
The implementation of AWS Auto Scaling and Elastic Load Balancing enabled the client’s online platform to seamlessly handle traffic surges, ensuring optimal performance during peak periods. The integration of Amazon CloudFront, ElastiCache, and AWS Lambda improved the platform’s responsiveness, reduced latency, and enhanced the overall user experience. Navtark’s cost optimization strategies, such as rightsizing instances and utilizing AWS Spot Instances and Reserved Instances, led to significant cost savings for the client while maintaining performance levels.
The security and compliance measures implemented by Navtark, including Amazon VPC, IAM, KMS, AWS CloudTrail, and AWS Config, fortified the client’s infrastructure against potential threats and ensured adherence to industry regulations. Data encryption, access controls, and monitoring mechanisms provided a secure environment for customer data, instilling trust and confidence in the online shopping platform.
Overall, Navtark’s expertise in AWS consulting enabled the online shopping company to overcome their infrastructure challenges and unlock the full potential of cloud computing. The improved scalability, performance, cost optimization, and security measures resulted in a seamless and secure shopping experience for customers while driving business growth and profitability for the client.
Navtark’s collaboration with the client throughout the discovery, design, migration, and optimization phases ensured a tailored solution aligned with the client’s specific needs and objectives. By leveraging the power of AWS services and best practices, Navtark demonstrated their ability to deliver transformative results for businesses operating in the e-commerce sector.
Thus, we can say, the partnership between the online shopping company and Navtark showcases the effectiveness of AWS consulting in addressing complex infrastructure challenges and optimizing cloud-based operations. By leveraging Navtark’s expertise, the client was able to elevate their online shopping platform to new heights, positioning themselves for continued success and growth in the competitive e-commerce landscape.



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