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April General Meeting

A Cloud On Three Switches

Speaker: Raymond Burkholder, One Unified Net

Raymond Burkholder

In this case, the three switches are special purpose appliances running Linux and containing a series of interchangeable network ports. In this session, I am going to sketch out some of the subsystems and open-source tools I've used to build a redundant/resilient router/firewall/monitoring solution on these appliances. In addition, I will describe how I was able to fully automate the build of the solution. The result being a fully documented and repeatable build. The design allows any one of the three switches to be rebuilt while the other two handle production. The end result is a template for building cost-effective, horizontally-scalable virtualization solutions.

Raymond Burkholder is the founder of One Unified Net Limited. This has allowed him to take on a variety of challenges in network design, software development, and systems automation. His most recent stint was in Bermuda where he consulted on infrastructure for re-insurance companies, transitioned to handling day to day technical operations of an ISP, and moved on to optimizing the performance of the network, storage, monitoring, and virtualization infrastructure of a data center. He is now back in Canada taking a brief respite while looking for his next opportunity.

Raymond has a personal blog at

Place 800

800 - 6 Ave. S.W.
Plus-15 Conference Room

There is $2 parking after 16:00 one block north-east of the meeting location, in the underground parkade at McDougall Centre.

5:30 PM, Tuesday, April 23, 2019

Snacks at 17:30. Meeting begins at 18:00.

Attendance is free for CUUG members, or $10 (cash only) at the door for non-CUUG members.

Transition to Virtual Server

CUUG services are transitioning from our old physical server ("concord") to a new virtual server ("arnold", named in honour of our late Treasurer, Arnold Goldberg). The switch took place on the evening of Saturday, March 30, 2019. For the most part, this should be transparent, but there are a few things you need to know. For details, see the virtual server transition web page.

If you have any questions or concerns, please send email to crcadmin at CUUG.