"For all intents and purposes, the release of Red Hat Enterprise Linux 5 (RHEL 5), Red Hat's flagship enterprise Linux operating system, was billed as a success by industry observers and end users.
"Many lauded RHEL 5 for its advancements in virtualization management, storage, security, application server development and deployment. At the same time, however, when XenSource Inc.'s paravirtualization functionality was first introduced with RHEL 5, it was clear that it needed fine-tuning..."
