Google Cloud said it will offer free network data transfer to customers that move to another cloud provider or migrate on-premises.

In a blog post, Google Cloud outlined the changes. Data transfer fees have been under scrutiny by customers as well as regulators. Google Cloud's move also puts pressure on Microsoft Azure and AWS to do the same.

AWS, Microsoft Azure, Google Cloud battle about to get chippy

Amit Zavery, VP, Head of Platform at Google Cloud said eliminating data transfer fees is one important move, but also took aim at software licensing. He said:

Eliminating data transfer fees for switching cloud providers will make it easier for customers to change their cloud provider; however, it does not solve the fundamental issue that prevents many customers from working with their preferred cloud provider in the first place: restrictive and unfair licensing practices.

Certain legacy providers leverage their on-premises software monopolies to create cloud monopolies, using restrictive licensing practices that lock in customers and warp competition.

Google Cloud's free data transfer broaches a key topic in hybrid and multi-cloud approaches. Where your data resides equates to lock-in in many cases. Interoperability would offer more choices. The company has an FAQ outlining the details of free data transfers.

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