Tag network

What Architects Need to Know About Networking on AWS

As an architect, you may not have thought too much about the network management before. At least that’s how it used to be for me. But since I’ve been designing architectures for AWS, network structure has become much more important to me. With Amazon V...

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AWS Client VPN: Connected with the Cloud

Everybody talks about remote work those days. A fundamental prerequisite is to provide secure connectivity to your infrastructure. No matter if only a few engineers or users need to access resources within a private network. About two years ago, AWS ann...

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Getting started with IPv6 on AWS

In mid-2019, AWS paid ~$108M to access 4 million IPv4 addresses from Amateur Radio Digital Communications - $27 per IP address. The reason why AWS spends so much money on IPv4 addresses is simple: There are no free IPv4 addresses that regional internet ...

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Advanced AWS Networking: Pitfalls That You Should Avoid

AWS offers shiny and powerful networking services. However, you should know about the pitfalls when designing advanced networking architectures for AWS. I will share some pitfalls that came to my attention when consulting clients to get the most out of ...

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Monitoring EC2 Network Utilization

This post was originally published on the marbot blog. Are you monitoring the network utilization of your EC2 instances? Why not? The network is one of the rare resources that will limit your workload’s maximum throughput: CPU Memory Network Disk GPU...

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Fargate networking 101

Fargate runs Docker containers on AWS. ECS is responsible for orchestrating the containers that Fargate runs. If you are new to Fargate, I recommend you to read: ECS vs. Fargate: What’s the difference?. ECS and Fargate offer deep integration with other ...

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Sharing data volumes between machines: EFS

Many legacy applications store state in files on disk. Therefore, using Amazon S3, an object store, is impossible by default. Using block storage might be an option, but it won’t allow access to files from multiple machines in parallel. Hence you need a...

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Behind the scenes of the EC2 network performance benchmark

What is the maximum network throughput you can expect from an EC2 instance of type t2.large? How much does the network performance increase when switching from a t2.large to m5.large instance? All these kind of questions are hard to answer, as AWS does ...

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Private subnets are broken on AWS

This blog post was written in July 2015 and is partly outdated. Amazon released [VPC endpoint for S3](http://aws.amazon.com/de/about-aws/whats-new/2015/05/introducing-amazon-vpc-endpoints-for-amazon-s3) and [Amazon VPC NAT Gateway](https://aws.amazon.co...

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