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First Yocto Project-compatible Carrier Grade Linux

Mar 27, 2013 — by Rick Lehrbaum 1,345 views

Wind River announced today that it has registered the Wind River Linux Carrier Grade (CG) profile for compliance with the Linux Foundation’s Carrier Grade Linux (CGL) v5.0 requirements. Accordingly, the company claims Wind River Linux to be the first Yocto Project-compatible, CGL-registered Linux distribution.

Carrier Grade Linux registration requires several key requirements to be met, including compliance to standards, serviceability, performance, high availability, clustering, security, and support for high availability hardware, as illustrated below.

Carrier Grade Linux architecture
(click image to enlarge)

“Carrier grade products typically require up to 5 nines or 6 nines (99.999 to 99.9999 percent) availability, translating to downtime as low as 30 seconds a year,” explains the Wind River. “Additionally, given rising network traffic growth and the associated need for greater security of this data, the CGL requirements designed to help make systems more reliable and resistant to attacks become even more significant. Carrier grade is a hard requirement for networking devices, but can also apply to large corporate infrastructures, data centers, and highly mobile devices.”


Carrier Grade Linux requirements and specifications are managed by a working group of the Linux Foundation.

Yocto Project compatibility

The Yocto Project, also managed under the auspices of the Linux Foundation, describes itself as an open source collaboration project aimed providing “templates, tools, and methods to help developers create custom Linux-based systems for embedded products regardless of their hardware architecture.” Founded in 2010, the project is a collaborative effort among numerous hardware manufacturers and operating systems vendors “to bring some order to the chaos of embedded Linux development.”

Yocto Project development environment
(click image to enlarge)

Wind River began migrating Wind River Linux to the Yocto Project several years ago, and achieved “Yocto Project Compatible” status in 2012.

Further info

For further information on Wind River’s Carrier Grade Linux product, go here. Details regarding Carrier Grade Linux registration requirements may be found here; and for more about Yocto, go here.

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