Updated throughout with new information from Google.

For everyone saying that software-defined networking is a pipe dream, Google is about to prove you wrong. The search engine giant and cloud provider said it has made its Andromeda software-defined network platform available in two of its Compute Engine zones, with the rest of its zones transitioning to Andromeda in the coming weeks.

So for companies using Google’s us-central1-b and europe-west1-a zones today, they can take advantage of what is truly a virtualized environment.

The basic promise behind this is that it virtualizes the network and, thus, it can scale. In the cloud, being able to scale a network means that you add agility while lowering operational costs. There are plenty of debates on how one implements software-defined networks but the implementation is something Amazon, Facebook and other large cloud and webscale companies are working on.

Google has been at the