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Containerd and rkt Now Official CNCF Projects

By Sean Michael Kerner (Send Email)
Posted March 29, 2017


BERLIN - Dan Kohn, executive director of the Cloud Native Computing Foundation (CNCF), kicked off the Kubecon CloudNative EU event here today with a pair of official announcements.

As expected, and reported by ServerWatch a week ago, the Docker containerd and CoreOS rkt container CNCF Berlinruntime project have been officially contributed to the CNCF. The official vote accepting the projects was conducted on March 28 in Berlin.

The two new projects mark the ninth and tenth projects accepted into the CNCF roster.

"CNCF is now the focal point for containerization," Kohn said. "We hope we can help accelerate the development of these projects."

Docker developer Patrick Chanezon followed Kohn on the stage, providing the capacity crowd of 1,500 attendees with some insight into containerd.

He explained that containerd follows the Open Container Initiative (OCI) specifications and is designed to be embedded into other systems. He noted Docker decided to contribute containerd to the Cloud Native Computing Foundation because there is an alignment of project and goals that makes sense.

Chanezon was followed on the stage by Brandon Philips, CTO of Docker rival CoreOS. CoreOS originally created rkt (pronounced rocket) as a way to help solve perceived deficiencies in Docker. Philips told the audience that rkt was originally started in 2014 and hit its 1.0 level in 2016.

"The reason why we built rkt is to have a pod-native secure and composeable container a runtime and we wanted to drive a conversation around container standards," Philips said.

The Containerization Benefit to End Users

In Philips view, the joint announcement that both containerd and rkt are now CNCF projects is helpful for end users as they can have confidence that container apps will run under the runtime that they choose.

"Rkt is not an image format; it can run oci and docker images," Philips emphasized.

He also noted rkt has been active on github with over 5,200 commits and 180 contributors. As to why rkt is being donated to the CNCF, Philips said CNCF is a neutral and respected home for the project.

"We hope that this will help to expand our contributor base," Philips said. "Container execution is a core part of cloud native."

Sean Michael Kerner is a senior editor at ServerWatch and InternetNews.com. Follow him on Twitter @TechJournalist.

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Tags: rkt, CNCF, containerd

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