Xen virtualization quickly becoming open source 'killer app'

As the end of the year approaches, it appears that virtualization's time in the open source spotlight has all but come.

Whether it is because of the machinations of companies like Palo Alto, Calif.-based XenSource Inc. or analyst endorsement, emulating an enterprise-class infrastructure environment using open source has been on the rise in 2005. And, now, it looks ready to burst next year.