VMware: Linux Is Ideal OS for Virtualization

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SAN FRANCISCO -- Linux is a key part of the success mix for virtualization. That was the message of Mendel Rosenblum, chief scientist and cofounder of VMware.

Rosenblum's penguin love is not a new thing, either. He recounted for the LinuxWorld audience here that the very first version of VMware was launched on Linux in 1998.

"We secretly used them [Linux users] as our beta testers," Rosenblum said. "The Linux community helped us to build things up."

The VMware cofounder explained that the three key properties of virtualization are partitioning, isolation and encapsulation. It's about the idea that software is not tightly coupled to hardware and it can move around and be easily distributed.

Moving beyond the traditional realm of basic application virtualization capabilities, Rosenblum explained a new recording and playback capability that VMware is starting to roll out.

Called deterministic replay, it enables users to record the execution that goes on in a virtual machine in a compact manner. The user can then replay the execution at a later time.

Rosenblum argued that operating systems and companies like VMware are not competitors and, in fact, both can be successful and add value to the end user. In the traditional view of an operating system the operating system is an extension of the hardware.

"The goal of the OS is to support as many applications as possible," Rosenblum said. "The OS itself does nothing very useful; it is only the application on top that does something for you."

In his view the problem with the traditional OS model is that it is too complex.

This article was first published on InternetNews.com. To read the full article, click here.

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