Quoting from ComputerWeekly:
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Stephen Herrod, vice-president of technology at VMware, presented the company’s plan for its virtualisation technology, in his keynote address.
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VMware is working on expanding this limit to enable users to run larger virtual machines with more than four processors and more than 16 Gbytes of memory.
The company is also working on improving the performance of its virtualisation technology. “We need to support more memory,” Herrod said. Users often use VMware to run multiple copies of Windows Server. This is not efficient as each copy requires its own memory. Instead VMware is developing a memory sharing technology it claims will enable VMware virtual machines running identical software to share memory…
Read the whole article at source.