01 Cloud Computing Evolution

Heavy Metal Bearer: Bare Metals

01 Cloud Computing Evolution, 02 Feet in the Cloud
In the beginning God created the heavens and the earth. And God Said “let there be punch cards”. The writings of the greatest software architectures alive (Uncle Bob, Martin Fowler, Gergor Hohpe and others) are also history books. That’s what I love about them. History makes you really appreciate and to better understand where and why you are here. Now that I’m older than younger, I wish to do the same to you, to better understand what cloud computing actually is and through it, what cloud infrastructure today is.

Compute on Demand: Virtual Servers

01 Cloud Computing Evolution, 02 Feet in the Cloud
Who is going to backup and replace those hard drives? “Don’t care, not my problem!”. The hardware, the bare metals are no longer your concern. It is now your Cloud provider’s responsibility to maintain it for you. You’ve outsourced it to someone who will do it better than you ever will, that is higher resiliency. That is what is called IaaS – Infrastructure as a Service.

The Bin Packer: Container Orchestration

01 Cloud Computing Evolution, 02 Feet in the Cloud

Containers are so amazing but do they also present new challenges in the Ops world.

Let’s continue with the example from the previous article, two applications and two database instances. For simplicity and generalisation, let’s presume that all the applications in the world require exactly 1 CPU and 1GB of RAM and also all the servers in the world have only 4 CPUs and 4GB of RAM.… Continue Reading ->