Recent posts
My mental model of AWS
AWS is a complex system that no one can understand end-to-end? As AWS professionals we still have to deal with the AWS system daily. We design for AWS, and we debug our applications running in AWS. How can we deal with a system that is too complex to un...
Meet us at re:Invent
Michael and I are looking forward to attending re:Invent 2018 in Las Vegas. The most important reason for us to fly off to the other side of the world is to meet old and new friends. Unfortunately, time is limited, and therefore we have already started ...
Three simple rules to avoid data leaking from S3
Reviewing AWS accounts with a focus on security is part of my day-to-day job. My most common finding: unwanted public read or write access to S3 buckets. Why is that? Because there are three different ways to define who can access your S3 buckets: IAM p...
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Amazon Web Services in Action (Second Edition) introduces you to computing, storing, and networking in the AWS cloud.
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About us
Andreas Wittig
Andreas is an Amazon Web Services (AWS) and DevOps enthusiast. His first cloud project was to build the infrastructure for an online banking platform on AWS. Andreas loves to teach no matter if virtual or face-to-face. He is the author of Amazon Web Services in Action, published by Manning.
Michael Wittig
Michael Wittig is author of Amazon Web Services in Action (Manning). He helps his clients to gain value from Amazon Web Services. As a software engineer he develops cloud-native real-time web applications. He has expertise in distributed system development and architecture, with experience in algorithmic trading and real-time analytics.
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More posts
Customized rate limiting for API Gateway by path parameter, query parameter, and more
API Gateway provides a feature to limit the number of requests a client can make per second (rate) and per day/week/month (quota). Rate limiting is very useful to protect your system from resource starvation caused by a client flooding your system with ...
EC2 Network Performance of t3
AWS introduced the t3 instance type in August. Time to update the EC2 Network Performance Cheat Sheet. The following table shows the network capabilities of t3 instances. Compared to the last generation t2 there is no difference in the baseline through...
Hot off the press: Amazon Web Services in Action Second Edition
We wrote and published the first edition of Amazon Web Services in Action in 2015. Our book quickly became a bestseller. We are still amazed by the positive feedback we receive from our readers every day. Thanks for that! Nevertheless, AWS is changing f...