[stratum-announce] Stratum 2021-03-31 release is available!

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Brian O'Connor

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Apr 1, 2021, 1:20:36 PM4/1/21
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We are pleased to announce the Stratum 2021-03-31 release (or 21.03 for short).

Stratum now leverages the new P5 (Predictive Programming Protocol-Independent Packet Processors) language which infers the packet pipeline based on control plane requirements. On the hardware side, we've added support for neural wave transponders for direct brain to Stratum connections.

Pre-built Docker images and Debian packages, along with a more extensive changelist, are available in the GitHub release page:

This release includes commits from 3 new contributors from the Stratum community: David Gengenbach, Narada Hess, and Rich Renner.

Enjoy!
Brian, Max, Yi and the rest of the Stratum team

Brian O'Connor

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Apr 5, 2021, 12:02:38 PM4/5/21
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Hi everyone,

We've gotten some questions about the release highlights paragraph of this announcement (namely, P5 and neural wave transponders); this was a joke for April Fools' Day.

The release itself and the rest of the announcement are legitimate. Here are the actual release highlights:

This release contains many bug fixes and new features for Stratum running on Intel Tofino, including support for meter entries, remote bfshell for debugging, basic port shaping configuration, and P4Runtime read improvements. The Stratum Tofino simulator can now be used in Mininet for development and testing. Stratum has been updated to the P4Runtime 1.3.0 specification (however, it is not fully compliant with some of the new semantics, which the Stratum community hopes to address in the next release). Several gNMI paths in the interfaces model have been improved to return consistent values. The 21.03 release is also the first release of Stratum that has been (almost entirely) automated.

Thanks!
Brian

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