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Pervasive Computing: Vision and Challenges

Pervasive Computing: Vision and Challenges. M. Satyanarayanan. Presenters: Sruthi & Deepesh. Abstract. This paper discusses the challenges in computer systems research posed by the emerging field of pervasive computing.

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Pervasive Computing: Vision and Challenges

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  1. Pervasive Computing: Vision and Challenges M. Satyanarayanan Presenters: Sruthi & Deepesh

  2. Abstract • This paper discusses the challenges in computer systems research posed by the emerging field of pervasive computing. • It examines the relationship of this new field to distributed systems and mobile computing.

  3. Abstract • It identifies four new research thrusts: • effective use of smart spaces • invisibility • localized scalability • masking uneven conditioning.

  4. Introduction • Mark Weiser ‘s vision of ubiquitous computing. • University Projects • Project Aura • Endeavour • Oxygen • Protalano

  5. Pervasive (Ubiquitous) Computing Vision “In the 21st century the technology revolution will move into the everyday, the small and the invisible…” “The most profound technologies are those that disappear. They weave themselves into the fabrics of everyday life until they are indistinguishable from it.” Mark Weiser (1952 –1999), XEROX PARC

  6. Introduction • Critical hardware elements of pervasive computing are now (2001) available • Are now viable commercial products • Examples: • Handheld computers / wearable computers • Wireless LANs • Sensing devices • Control appliances • We can begin the quest for pervasive computing vision.

  7. Goal of the Paper • Understand the challenges in computer systems research posted by pervasive computing • Sketch TWO pervasive computing scenarios and ask why they are fiction rather than fact

  8. Outline • Relationship of pervasive computing to the closely-related fields of distributed systems and mobile computing • Two pervasive computing scenarios • Why they are fiction rather than fact today. • Selected key research problems • With focus on computer systems issues • Avoiding other areas important to pervasive computing • E.g., human-computer interaction, expert systems, software agents

  9. Related fields • Distributed systems • Mobile Computing

  10. Pervasive Computing Four thrusts in the field are: • Effective use of smart spaces • Invisibility • Localized scalability • Masking uneven conditioning

  11. Example Scenarios • Scenario 1 • Scenario 2

  12. Missing Capabilities • Proactivity • Ability to move execution state effortlessly across diverse platforms • Self-tuning • Value of smart spaces

  13. Structure of an AURA client

  14. Drilling Down • User Intent • Cyber Foraging • Adaptation Strategy • High Level Energy Management • Client Thickness

  15. Drilling Down • Content Awareness • Balancing Proactivity & Transparency • Privacy & Trust • Impact on Layering

  16. Conclusion • Fertile source of challenging research problems • Research areas include HCI, software agents, expert systems and artificial intelligence.

  17. Comments/ Thoughts/ Criticism? • _______________________________ Thank You.

  18. References • See the original paper: • M. Satyanarayanan, “Pervasive Computing: Vision and Challenges,” IEEE Personal Communications, 2001 • Available at: • http://www.cs.cmu.edu/~aura/docdir/pcs01.pdf

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