When you browse a modern application, you almost never interact with a single program. Behind the scenes there are dozens of services (authentication, payments, notifications, search) that must coordi...
When you click a link, your browser does not have to go all the way to the original server to bring you the page: many times it receives it from a server much closer to your home. That is the job of a...
When you upload a photo to your phone, the backup lands in an invisible system that can store billions of objects: object storage. It is the technology that underpins photo services, backups, on-deman...
Kubernetes: the orchestrator that manages thousands of containers In an earlier article we explained what a container is: that package that wraps an application with everything it needs to run in an i...
Every time you click “buy”, send a message or check your balance, something very specific happens in the background: a database receives your request, processes it and returns a response i...
If you have ever heard that a data center server can “contain” dozens of computers at once, it is not a metaphor. It is virtualization, one of the technologies that sustain the cloud, mode...
Every time you type an address into the browser, your computer asks a question as old as it is useful: where is that server? The answer is given by the DNS (Domain Name System), the infrastructure tha...
Containers: the packaging that changed how applications travel At the end of the twentieth century a common problem in data centers was the “it works on my machine” issue. An application t...
HTTP/3 and QUIC: the new protocol making the internet faster If you have ever wondered why a page takes a while to load even though you have plenty of fiber, the answer lies in something deeper than b...
When you press play on a series, tens of megabytes per second start moving across your screen without you lifting a finger. But behind that gesture there is a chain of processes we rarely stop to look...
Where are your photos when you upload them? And those work documents that you consult from anywhere? The short answer is “in the cloud”. But that cloud is not a magical place: it is data c...