Docker has emerged over the last 18 months as a much-hyped container technology for application virtualization, but it’s not without its detractors. CoreOS was one of the leading backers of Docker until Dec. 1, when it announced a competitive container virtualization technology called Rocket.
Rocket is completely new and isn’t a fork of Docker, Alex Polvi, CEO of CoreOS, told eWEEK. CoreOS is an open-source operating system vendor that uses Docker containers as a basic building block to deploy clustered applications.