overview

today’s problem: administering a PC

• installing is time-consuming & error-prone
• interdependences make configuration fragile
• hard to update or remove applications

tomorrow’s problem: pervasive updating

• on entry to airport, PDA downloads flight reminder code
• car downloads driving regimen from roadsign
• handheld controller connects to devices in room

3-pronged approach

• archaeology

  examine dependences in existing complex systems
  

• infrastructure

  design & build infrastructure for self-updating
  

• applications

  demonstrate & evaluate results in real applications
  

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