UPDATE: PBXware is now on the VMware Solution Exchange as VMware PB
Bicom Systems does not support VMware as a product platform for a number of reasons including issues with time scheduling, syncing, lack of Linux addons, insufficient performance boundaries, processing delays, and more. Bicom Systems staff has compiled a list of relevant reading on the problems with supporting VMware and some potential solutions:
- As discussed in the article Timekeeping In Virtual Machines, VMware is unable to exactly duplicate the timing of other physical machines. This may cause discrepancies in timekeeping and other problems.
- A Study from the University of Minnesota “Does Virtualization Make Disk Scheduling Passé” highlights some real-life examples of issues with scheduling.
- A paper entitled “Formal Requirements for Virtualizable Third Generation Architectures” discusses the exact conditions that would be required to support VMware.
- Intel’s article on Virtualization Technology for Directed I/O presents a method of using VMware as a host. This may not work for all models and would need testing.
- The VMware End-User Computing Blog had a very interesting article about VMware View 5 and the way that may address some of the above issues.
- Another potential solution is vSphere 5, as outlined in the whitepaper Voice over IP Performance Evaluation on VMware vSphere 5.
For more information, visit the Bicom Systems Wiki or the VMware blog.
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