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ALB vs. NLB: Which AWS load balancer fits your needs?

Which load balancer fits my workload best? As is often the case, AWS offers more than one solution. Read on to learn whether to use the Application Load Balancer (ALB) or the Network Load Balancer (NLB) to distribute incoming requests among a fleet of v...

Application Authentication and Authorization on AWS

In this blog post, you will learn to implement authentication and authorization for your own HTTP(S)-based applications on AWS. Most applications offer some functionality only to authenticated clients. A client can be a human or a machine. Humans usuall...

How to set up Jenkins on AWS?

What’s the best way to run Jenkins on AWS? As Jenkins is still a popular automation server used for continuous integration and deployment, consulting clients have engaged me to design and implement a cloud architecture for Jenkins several times in recen...

Cognito Under the Hood

Have you ever implemented a user database and authentication layer yourself? There are many things to get right: Hashing and salting passwords, multi-factor authentication, brute force attacks, and many more. That’s why I recommend using a production-re...

Serverless Hybrid Cloud: Accessing an API Gateway via VPN or Direct Connect

Recently, I’ve been coaching a team building a Serverless application. The extraordinary thing about it? We had to create a solution fitting into the hybrid cloud approach of the organization. An essential requirement was that the Serverless application...

Next Generation Load Balancing: ALB with gRPC and HTTP/2

AWS announced an important update for the Application Load Balancer (ALB) in November 2020: Support for gRPC and HTTP/2. HTTP/2 comes with request multiplexing over a single TCP connection, header compression (HPACK) which reduces network utilization, a...

Unusual AWS Architectures

AWS provides many building blocks. As architects, we have to choose the right building blocks to construct our systems. But sometimes, the proper building block is not available, and we have to make compromises. In this blog post, I show four unusual AW...

Comparing API Gateways on AWS

Of the different API gateways offered by AWS, which option fits your needs? An API Gateway is “a server that acts as an API front-end, receives API requests, enforces throttling and security policies, passes requests to the back-end service, and then pa...

Tracing an HTTP request

What to do when customers complain about high latencies or server-side errors? How to find out which part of your infrastructure is causing trouble? Is something wrong with CloudFront, the ELB, or your web application? Our video demonstrates how to use...

Move to the Next Level of Load Balancing on AWS

Are you still using the Classic Load Balancer - formerly known as Elastic Load Balancer - for distributing incoming requests among a fleet of EC2 Instances? AWS announced the Application Load Balancer, as a new alternative to the Classic Load Balancer i...