Mariusz Krzanowski blog

Tag: Architecture

Long polling as a cure for message push mechanism

Introduction

Many times in your life, you will have the situation when your server must push information to your customer. When you are not limited to HTTP/HTTPS you can setup TCP/IP connection and problems are solved. Unfortunately we are living in a world dominated by HTTP protocols. When you ask someone how to address such a challenge you can hear from your colleagues that Webhook (https://en.wikipedia.org/wiki/Webhook) is a solution for your problem. My goal is to convince you to try to think outside the box and focus on long pooling mechanisms.

TCP limits that can break your Kubernetes cluster

Introduction

Microservices solutions are more and more popular. Docker, Kubernetes are more and more popular, even the hardest opponents start to give up. Unfortunately we – Software Developers – usually do not like to focus on network protocols. That ignorance can sometimes be a blessing, but sometimes can hit us hard in the most painful time. In this article I want to focus on the Transmission Control Protocol protocol limits of source and destination ports size and why it can be painful for us.

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