MIS 495 Managing Diverse IT Infrastructures

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MIS 495Managing DiverseIT Infrastructures

• Dr. Steve RossWinter 2008

Based on Chapter 7 of Applegate, Austin, and
McFarlan, Corporate Information Strategy and
Management, 7th ed., 2007.
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Pre and Post Public Internetworks

• PRE
• Each company develops its own infrastructure
• Interoperability a challenge
• Vendor-specific, proprietary technologies

• POST
• Common communication infrastructure
• TCP/IP leads to interoperatibility
• Much less reliance on vendor-specific solutions

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Incremental Outsourcing

• Progression from
• In-house, on location
• In-house, remote location
• Out-sourced, remote location
• Benefits
• Manage shortage of specialized IT staff
• Reduced time to market
• Shift to 24x7 operations
• Favorable cash flow profiles
• Cost reduction in IT service chains
• Applications globally accessible

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Hosting

• Physical location of computers that provide
  over-the-net services
• Physical (not computer) facilities
• Network connectivity
• Platform hardware, operating system, reboot,
  backup
• Application support
• Business operating services