Gartner predicts that 50 percent of large businesses will use application virtualization by 2010. She said application virtualization, while it doesn't get as much attention as other virtualization technologies, could be significant in the near term. Ronni Colville, a vice president and distinguished analyst with Gartner, was more upbeat. There will be, but it's a matter of time." "Desktop environments are really complex and I don't think there's enough maturity in these platforms yet to see really broad-based adoption. "VMware has done a good job in getting out ahead of this but I don't think many people are considering it just yet," he said. Michael Rose, a research analyst with IDC, said products like ThinApp have a lot of promise, but he said they may be ahead of the market because most people are still coming to terms with the basics of desktop virtualization. "All I have to do is virtualize the new version, post it on a Web server, then the existing version detects that there's been a change and downloads the differences," Chen said. The other main enhancement is Application Sync, for delivering bug fixes and other updates. ![]() Net component and share it across multiple virtualized applications, Chen said. ![]() An administrator could create a separate package for a Java or. In ThinApp 4, a new feature called Application Link allows administrators to create these links between virtualized applications. ![]() One drawback has been that virtualized applications can't communicate with each other, because they operate in a their own virtual software "bubble." If a user is running virtualized Microsoft Word, for example, and clicks on a Web link in a Word document, the application can't call on Internet Explorer to open the Web page. ThinApp can also run two versions of the same program, so a user could run Internet Explorer 6 and 7 on the same desktop if they needed to. IT departments can package an application with ThinApp and then deploy the package on computers running almost any version of Windows, including XP and Vista, said Jerry Chen, VMware senior director for enterprise desktops. On Tuesday it announced that it has rebranded the product as ThinApp, and said a new version, ThinApp 4, will go on sale within 30 days. VMware bought the software earlier this year when it acquired a company called Thinstall.
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