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Old 11th June 2010
J65nko J65nko is offline
Join Date: May 2008
Location: Budel - the Netherlands
Posts: 4,121
Default Foundation Announces Jail Based Virtualization Project

From http://lists.freebsd.org/pipermail/f...ne/001327.html

Dear FreeBSD Community,

We are pleased to announce that Bjoern A. Zeeb has been awarded a grant
to improve FreeBSD's jail based virtualization infrastructure and to
continue to work on the virtual network stack. His employer, CK Software
GmbH is matching the Foundation's funding with hours.

FreeBSD has been well known for its jail based virtualization during the
last decade. With the import of the virtual network stack, FreeBSD's
operating system level virtualization has reached a new level.

This project includes cleanup of two years of import work and
development and, more notably, brings the infrastructure for a network
stack teardown. Cleanly shutting down a network stack in FreeBSD will be
the major challenge in the virtualization area to get the new feature to
production ready quality for the 9.x release

Further, the project includes generalization of the virtual network
stack framework, factoring out common code. This will provide an
infrastructure and will ease virtualization of further subsystems like
SYSV/Posix IPC with minimal overhead. All further virtualized subsystems
will immediately benefit from shared debugging facilities, an essential
feature for early adopters of the new technology.

"Improved jail based virtualization support, that continues to be very
lightweight and as easily manageable as classic jails, will be a killer
feature for the next few years," said Bjoern A. Zeeb, FreeBSD developer.
He also added, "It will allow people to partition their FreeBSD server,
run simulations without racks of hardware, or provide thousands of
virtual instances in hosting environments fairly easy and efficiently.
While this follows the trend of green computing, it also adds to
FreeBSD's virtualization portfolio with Xen or other more heavyweight
hypervisor support, which can be mixed with jails as needed."

While work in this area will have to continue, the funding for this
project will end mid-July 2010.


The FreeBSD Foundation
You don't need to be a genius to debug a pf.conf firewall ruleset, you just need the guts to run tcpdump
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