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Daniel Feller

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Top Stories by Daniel Feller

Daniel Feller's Blog Am I the only one who has trouble understanding Cloud Computing? Is Instant Messenger considered cloud computing? Is my company's enterprise deployment of XenApp on XenServer considered Cloud Computing? Is the iTunes store considered Cloud Computing? Why is Cloud Computing so hard to figure out? Well, look at it from a different perspective. Have you ever laid down on the grass and looked at the sky and tried to figure out what a cloud looked like? You might think one cloud looks like a puppy and another looks like an airplane while someone else thinks your puppy looks like Homer and the airplane looks like a TV. Trying to find shapes in the clouds is all based on your perception, just like if you try to get a definition of cloud computing from 5 different people, you will most likely get 5 different ideas. Of the many discussions I've had on th... (more)

Virtual Desktop Profiles

Mark Twain said “When angry count to four. When very angry, swear”.  Unfortunately, I’ve heard many users swear. It is amazing how one little action can cause so much anger towards the IT organization or bring a new project to its knees.   Take the following, real world scenario, as an example: An organization had a profile strategy in place.  Users started working in the new system. One day, a user had a profile corruption issue. To solve the issue, the profile was deleted.  This meant the user had to recreate their entire personalized environment. After the profile was deleted... (more)

Improper Storage Design for Virtual Desktops Is a Killer

I've spent the last month or so discussing the top 10 mistakes seen on desktop virtualization implementation so you can learn from other's mistakes. I've discussed 9 different things so far and they were: 10.  Not calculating user bandwidth requirements 9.    Not considering the user profile 8.   Lack of Application Virtualization Strategy 7.  Improper Resource Allocation 6.  Protection from Anti-Virus 5. Managing the incoming storm 4. Not Optimizing the Desktop Image 3. Not using your Cache Wisely 2. Using VDI Defaults And now it is time for the #1 thing that people mess up with... (more)

Windows 7 Migration Is Here

The migration to the new operating system was a challenge. We had a mass of people going to each user's desktop to copy their data and  rebuild the operating system.  We thought we planned appropriately but ran into all sorts of issues like: We didn't have the correct hardware drivers for some of the computers, which required searching the Internet and oftentimes using try and error until we found the right driver.  There were too  many occasions where we were unable to find a driver for the new operating system.  We just hoped the user wouldn't notice. We sometimes found out th... (more)

Estimate Bandwidth Requirements

Do you ever wonder how much bandwidth you need to do a desktop virtualization implementation? Regardless of the flavor of virtual desktop being implemented (hosted shared, hosted VM-based VDI, local streamed, etc), the network plays a critical role. That should not be surprising (if it is, we need to have an even bigger discussion). If you don’t plan your network bandwidth appropriately, you will have unhappy users, who will make you unhappy, which is one of the 10 biggest mistakes to avoid when doing virtual desktops As we would expect, the user experience degrades as the latency... (more)