Cisco Cisco UCS B200 M3 Blade Server White Paper
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A Principled Technologies test report 4
VDI performance comparison: Cisco UCS solution vs. HP solution
Figure 4 provides the VSI Index average and average response time for the Cisco UCS solution running
112 virtual desktops. Lower response times are better, while greater virtual desktop sessions are better.
After confirming that all 112 sessions executed successfully on the Cisco UCS solution, we tested to
ensure that the user experience would not degrade as the workload on the environment increased. The user
response time, as reflected in Login VSImax Pass or Fail rating, provides the necessary guidance to evaluate
the user experience based on workload response time. As Figure 4 shows, the Cisco UCS solution supported a
heavy 112-desktop load while retaining a VSI Index average and average response time significantly below the
4,000ms threshold.
Note that the Login VSImax numbers differ slightly from the average response times due to the way
Login VSI calculates results, removing 2 percent from the minimum and maximum response times before
calculating the average.
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Figure 4: Response times for 112 virtual desktop sessions on XenServer below 4,000 milliseconds for the Cisco UCS
solution. Lower response times are better, while greater virtual desktop sessions are better.
solution. Lower response times are better, while greater virtual desktop sessions are better.
Figure 5 provides the VSI Index average and average response time for the HP solution for the 93
virtual desktops. Lower response times are better, while greater virtual desktop sessions are better.
After confirming that all 93 sessions executed successfully on the HP solution, we tested to ensure that
the user experience would not degrade as the workload on the environment increased. The user response
time, as reflected in Login VSImax Pass or Fail rating, provides the necessary guidance to evaluate the user
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