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What is “serverless” computing?

November 9, 2017
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What is “serverless” computing?

Thanks to economies of scale, cloud computing resources are cheaper and more stable than those on a local area network, but the cloud is still made up of servers that require expert configuration. Serverless computing is one way to reduce management burdens.

What is it?

Outsourcing workloads to the cloud — like websites and apps — requires just as much hardware as if the computations were performed in an on-site server. The only difference is the location of the server.

Office 365 or Google Docs are great examples of this model. Thousands of servers are set up to run these apps so there is always enough capacity to handle the millions of people who use these apps at any given moment. Microsoft and Google need to manage and maintain these servers 24/7 to keep up with demand so they’re always on and always ready to handle more workloads, even during off-peak hours.

Serverless computing changes everything by allowing developers to create apps and websites that use cloud resources only when they’re needed. So, if you were to create a web app, you wouldn’t need to pay for a dedicated cloud server. The cloud provider would host your app’s programming code and run it only when a user requested it. The cloud provider would take care of allocating the appropriate resources and charge by the second for what you use.

Who can benefit from it?

Serverless computing is for users who use cloud resources for processing power. If you’re using the cloud only to store files, serverless services aren’t going to help you. However, if you use the cloud to process information and turn it into something more useful, serverless computing will help you immensely.

An everyday example of this is Amazon’s Alexa. Every command the AI assistant responds to is nothing more than an app that sits dormant until a user tells Alexa to run it. Small businesses are creating apps in Amazon’s cloud that can be processed by the voice assistant without the burden of setting up a dedicated server.

Serverless computing isn’t about getting rid of servers; it’s about using their raw computing power without being forced to fine tune them first. It falls under the umbrella of virtualization technology and is another step in the right direction for small businesses working with limited budgets.

For more information about how virtualization can help you lower costs and increase efficiencies, give us a call today.

Published with permission from TechAdvisory.org. Source.

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