Circumference

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Jun 06, 2018

Circumference Control Software

In this video we take a look at the software which runs on the front-end processor (FEP) and exercises control over power sequencing, console routing, cooling and instrumentation. This is written in Python, configured via YAML, and uses MQTT pub/sub messaging to decouple the daemon which communicates with the backplane, from controlling applications.

A handy command line utility (CLI) is provided for cluster control, while integration with custom applications — e.g. for orchestration and automated systems testing etc. — is made possible via MQTT and a simple JSON data format. As noted in the video, we plan to do a lot more work on the software and this includes developing a clean, consistent Python API for use alongside MQTT.

We’re also considering future support for IPMI (Intelligent Platform Management Interface) and SCPI (Standard Commands for Programmable Instruments), as used by server/blade chassis and test equipment respectively, to aid integration with existing systems.

Andrew and the Circumference Team

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$25

Circumference 25 Enamel Badge

The same C25 metal and vitreous enamel badge as can be found on the front of the 8+1 node cluster, albeit with a pin fastener. Wear your Circumference support with pride!


$549

Circumference 25 Early Bird

C25 8+1 node cluster limited early bird. Includes choice of acrylic colour case parts and a custom logo etched on the wood veneer front panel.


$599

Circumference 25

C25 8+1 node cluster campaign pricing.


$799

Circumference 25 Early Access

C25 8+1 node cluster with limited, early shipping. Includes choice of acrylic colour case parts and a custom logo etched on the wood veneer front panel.


$2,599

Circumference 100

C100 32+1 node cluster campaign pricing. Includes custom logo etched on the wood veneer front panel.

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Credits

Ground Electronics


Andrew Back

Dave Ives

Gareth Halfacree

Chelsea Back

Jerome Dineen


Rogue Robot

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