Options for executing Linux

Native, LPAR, or virtual images??

Considerations
• Available expertise (in-house or contracted)
• Co-residence of other servers (Virtual Image Facility is Linux only)
• Frequency of configuration changes
  • Native and LPAR more cumbersome than Virtual Image Facility or VM/ESA
• Number of servers required
  • 1 with native, 15 with LPAR (real memory required for each)
  • Virtual Image Facility or zVM gives you 10s to 100s
• Inter-server communication
  • Virtual connections with VM/ESA, zVM and
    Virtual Image Facility

Degree of flexibility and scale required

+

-

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