An architectural overview of EFS and how it differs from other storage solutions. — There ate multiple storage offerings in AWS. Some of the popular storage solutions are: AWS S3 AWS EBS AWS EFS This article will discuss the EFS architecture and how it differs from other storage solutions such as EBS. This will give the reader a more conceptual understanding of when to…

An Architectural Overview The Background With this article I am trying to explain multiple enterprise level caching strategies (in theory) and how AWS DAX can be used to implement them in production level setups. Caching Strategies There are multiple caching strategies available in a typical enterprise cloud design. …

An Architectural Overview The Background Amazon RDS, Amazon Aurora and Amazon Aurora Serverless are the main three RDBMS service offerings in AWS. Each service has evolved over the years and provides benefits to the clients in multiple ways. In this article, I am trying to give an in-depth understanding of how relational…

How to Migrate Existing Messaging Infrastructures to AWS using Amazon MQ — AWS Messaging Infrastructures There are multiple native messaging architectures available in AWS. Out of these, AWS SNS and AWS SQS are AWS native messaging services. Both SNS and SQS do not require you to set up any third party message brokers manually to get started. …

A Step by Step Approach The Background In my introductory AWS CloudFront article, it was explained how we can secure native and custom origins via CloudFront. Out of those methods, Origin Access Identity (OAI) can be used to secure a native S3 origin. This article will discuss the OAI way of securing…

The AWS Content Delivery Network (CDN) The Background AWS CloudFront (CF) is AWS fast, programmable and secure Content Delivery Network (CDN). This article will summarize multiple key concepts related to AWS CF such as CF architecture, Edge Locations, Caching Process, Behaviors, Time To Live (TTL), Cache Hit Ratio, Cache maximization strategies, Cache…

Part 03 — AWS R53 Series Background As you know, there are two types of Hosted Zones available in AWS Route53 (R53). Public Hosted Zones Private Hosted Zones In my previous R53 articles (see below links) I discussed Routing policies around a public hosted zone. AWS Route53 and Routing Policies —…

AWS Advanced Networking Series — Part 03 The Background In my last two blog articles on AWS advanced networking concepts, I tried to explain two main aspects in AWS hybrid connectivity. Article 1: AWS Site-to-Site VPN — https://crishantha.medium.com/aws-site-to-site-vpn-c4baf45703fd Article 2: Transitive Peering with Transitive Gateway — https://crishantha.medium.com/transitive-peering-between-networks-using-aws-transit-gateway-4d3550bea2dc

AWS Identity Management Advanced Series — Part 2 This blog is the part 02 of my AWS Identity Management Advanced Series. In part 01, I discussed about how we can leverage SAML 2.0 federated systems with AWS. …