Much excitement has surrounded the rise of Docker and similar Linux Container technologies. The promise of small, portable software deployment packages has stimulated the minds of many in our industry.
However, few people have yet recognized the arrival of an even more promising technology: the birth of the unikernel. Like container-based solutions, unikernels fulfill the promise of easy deployment. But unikernels deliver much more, including an extremely tiny footprint and a major improvement in security. As a result, the next generation cloud can have thousands of small VMs per host, saving considerable cost in hardware, electricity, and cooling, while reducing the attack surface of malicious hackers.
Xen Project has been at the forefront of unikernel development with Mirage OS, but it also supports a number of other unikernels, including OSv, HaLVM, ClickOS, and LING (formerly known as “Erlang on Xen”).
We will discuss the basics of the unikernel concept and how it wlil shape the future architecture of the cloud.
Currently the Xen Project Evangelist for Citrix, Russell has spent two decades evangelizing Open Source. Since his introduction to Linux in 1995, he has relentlessly promoted the concept of Open Source to anyone who would listen.
He has over 150 pieces published, including columns for Infoworld and Processor magazines and one book. He has spoken at over 75 Open Source conferences, including multiple times at OSCON. A former panelist on The Linux Show weekly webcast, he also has many years of experience employing Open Source software in solutions for clients.
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