How can Serverless Computing benefit you?

 Let’s start by accepting that the term Serverless itself is a bit of a misnomer. Without a server there really can’t be any computing. What Serverless Computing does is, hide the server from you, take away the hassle of maintaining hardware and software, and give you all the computing muscle you need, without any idle capacity.

In a traditional IT environment, i.e. server-based, you typically have a 3-tier architecture, viz: a database layer, where the database sits; an application layer, where your apps run; and the presentation layer, interface users interact with. A user can thus interact with your application in as many ways as your application will support—a web browser, mobile, or connected device (think: IoT)

What this means is that before you even start working on your (server-based) app, the onus is on you to set up your server, install the OS, install needed software; and regularly manage all this, i.e. take care of hardware, update software, manage operating systems. Don’t forget, you also need to ensure your application is always available; this means installing load balancers and managing the whole set up. The costs mount up quickly and they never stop.

With Serverless Computing you can do away with all this completely, and focus on writing your application code, with everything that involves. You don’t need to bother about buying and updating hardware, maintaining servers, managing operating systems, installing or updating software to manage. What’s more, you never need to worry about under-provisioning or for that matter over-provisioning. Your applications will enjoy high availability, and fault-tolerance by default. So you’re free to concentrate on working on your core application logic and building your application knowing neither scalability nor provisioning, will pose a problem. Ever.

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