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Abdullateef OGUNDIPE

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Day 7: Challenges, Mitigations, and Cost Analysis for the Migration

Recap of Day 6

Yesterday, we delved into the world of monitoring and troubleshooting with AWS CloudWatch, ensuring that the LimitlessAO Power Solutions website remains accessible, secure, and high-performing. By tracking key metrics and setting up alerts, we equipped ourselves with tools to handle potential issues proactively. Today, we will wrap up this series by reflecting on the challenges faced during the migration, exploring strategies to mitigate these issues, and analyzing the cost of running this architecture on AWS.

Challenges Encountered During Migration

Website migration to AWS, while highly rewarding, is not without its hurdles. Here are some challenges you might encounter:

DNS Propagation Delays

  • DNS changes, such as updating name servers or creating alias records, can take several hours to propagate worldwide. This delay may temporarily affect website accessibility.
  • Mitigation: Plan the migration during non-peak hours to minimize the impact on users. Inform users of potential downtime beforehand.

SSL/TLS Configuration Issues

  • Configuring HTTPS using AWS Certificate Manager can sometimes lead to errors, especially if the domain validation process is incomplete or the certificate is not correctly associated with CloudFront.
  • Mitigation: Ensure all domain validation steps are completed promptly. Verify that the certificate is correctly attached to your CloudFront distribution.

Access and Permissions Management

  • Misconfigured IAM permissions can hinder setup processes, such as creating S3 buckets or enabling CloudFront metrics in CloudWatch.
  • Mitigation: Follow the principle of least privilege and ensure that your IAM policies are explicitly tailored to the tasks at hand.

Cost Overruns

  • Without proper monitoring, AWS resources can incur unexpected costs, such as high data transfer rates or unnecessary service usage.
  • Mitigation: Use AWS Billing and Cost Management tools to monitor and control costs. Set up billing alarms to avoid surprises.

Content Delivery Issues

  • If objects in S3 are not publicly accessible or Cache-Control headers are improperly configured, CloudFront may fail to serve content efficiently.
  • Mitigation: Check bucket permissions and ensure proper cache settings for optimal delivery performance.

Cost Analysis

The total cost of running the LimitlessAO Power Solutions website on AWS depends on several factors, including traffic volume, storage needs, and service configurations. Here’s a breakdown of expected costs:

S3 (Storage and Requests)

  • Storage: $0.023 per GB for the first 50 TB per month (Standard Tier).
  • GET and PUT Requests: $0.0004 per 1,000 requests.

CloudFront (Data Transfer and Requests)

  • Data Transfer Out: $0.085 per GB (up to 10 TB).
  • HTTP/HTTPS Requests: $0.0075 per 10,000 requests.

Route 53 (DNS Management)

  • Hosted Zone: $0.50 per month per hosted zone.
  • DNS Queries: $0.40 per million queries (first billion queries per month).

CloudWatch (Monitoring and Logs)

  • Basic Metrics: Free.
  • Detailed Metrics: $0.30 per metric per month.
  • Logs: $0.50 per GB ingested.

AWS Certificate Manager (SSL/TLS)

  • Free for public certificates used with integrated AWS services.

Estimated Monthly Cost
For a small to medium-sized static website with moderate traffic, costs typically range from $5 to $20 per month. For higher traffic volumes, expect a proportionate increase.

Closing Thoughts on Hosting a Static Website

The migration of the LimitlessAO Power Solutions website to AWS has demonstrated how the cloud empowers businesses with scalability, security, and global reach. While challenges are inevitable, AWS offers robust tools and best practices to overcome them. The result is a reliable and high-performing architecture capable of serving users across the globe.

What’s Next?

While we’ve successfully migrated a static website, the dynamic nature of modern web applications demands more complexity. In our next series, we’ll explore how to host a dynamic website on AWS. We’ll cover integrating databases, enabling server-side processing with services like AWS Lambda or EC2, and implementing advanced monitoring and scaling strategies.

"The cloud isn’t just about technology; it’s about unlocking potential for innovation and growth."

Stay tuned—LimitlessAO is just getting started!

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