All articles on Ranting

I've been trying to wrap my head around the tremendous growth of the Cloud Native zoo for quite some time. But recently I was listening to a wonderful podcast episode with the Linkerd creator Thomas Rampelberg and he kindly reminded me one thing about... microservices. Long story short, despite the common belief that microservices solve technical problems, the most appealing part of the microservice architecture apparently has something to do with solving organisational problems such as allocating teams to development areas or tackling software modernisation campaigns. And on the contrary, while helping with the org problems, microservices rather create new technical challenges!

Disclaimer: This article is not about Microservices vs Monolith.

That made me rethink the need for all those projects constituting the Cloud Native landscape. From now on I can't help but see an awful load of projects solving all kinds of technical problems originated by the transition to the microservice paradigm.

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Disclaimer: despite the controversial title, this article is not trying to show that RPC is a superior approach to REST, or GraphQL is superior to RPC. Instead, the goal of the article is to give you an overview of the approaches, their strengths and weaknesses. The final choice anyway will be a trade-off.

Even though HTTP is an application layer (i.e. L7), protocol, when it comes to API development, HTTP de facto plays the role of a lower-level transport mechanism.

There are multiple conceptually different approaches on how to implement an API on top of HTTP:

• REST
• RPC
• GraphQL

...but the actual list of things an average API developer needs to be aware of is not limited by these three dudes. There are also JSON, gRPC, protobuf, and many other terms in the realm. Let's try to sort them out, once and for all!

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Regardless of whether it's the end of the calendar decade or not it's the end of a programming decade for me. I started early in 2010 and since then I've been programming almost every day, including weekends and vacations. This was a really exciting period in my life and I realized that it's been a while since 2010 only recently. So, I decided to put into words some of my learnings from that time. Warning: the content of this article is highly opinionated and extremely subjective.

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