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Good Research in Network Theory Mung Chiang Princeton University IEEE INFOCOM 2010 Panel

Good Research in Network Theory - Princeton Universitychiangm/goodtheory.pdf · There’s no Shortage of Answers already • “There’s nothing more practical than good theory”

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Page 1: Good Research in Network Theory - Princeton Universitychiangm/goodtheory.pdf · There’s no Shortage of Answers already • “There’s nothing more practical than good theory”

Good Research in Network Theory

Mung ChiangPrinceton University

IEEE INFOCOM 2010 Panel

Page 2: Good Research in Network Theory - Princeton Universitychiangm/goodtheory.pdf · There’s no Shortage of Answers already • “There’s nothing more practical than good theory”

There’s no Shortage of Answers already

• “There’s nothing more practical than good theory”

• “A good theory is like a good joke” • “Good theory makes a difference:

PageRank, CDMA, Dynamic alternate routing, Aloha, Packet switching...”

• “Good theory solves open problems...” • “Good theory gives you new tools...”

Page 3: Good Research in Network Theory - Princeton Universitychiangm/goodtheory.pdf · There’s no Shortage of Answers already • “There’s nothing more practical than good theory”

A Good theory is Like ...

• Let me add my biased thoughts

Page 4: Good Research in Network Theory - Princeton Universitychiangm/goodtheory.pdf · There’s no Shortage of Answers already • “There’s nothing more practical than good theory”

Pruner

• Less is more

• Get to root of knowledge tree

• Unify the branches

• Create shared intellectual heritage

Page 5: Good Research in Network Theory - Princeton Universitychiangm/goodtheory.pdf · There’s no Shortage of Answers already • “There’s nothing more practical than good theory”

Lense

• New angles to think about important concepts

• Unambiguous language to clarify discourse

Page 6: Good Research in Network Theory - Princeton Universitychiangm/goodtheory.pdf · There’s no Shortage of Answers already • “There’s nothing more practical than good theory”

Re-Crystalizer

• To model is to ignore (selected part of) reality

• Self-consistent theories are still incomplete

• Need to validate/falsify the predictive power

• Close the loop with data

Page 7: Good Research in Network Theory - Princeton Universitychiangm/goodtheory.pdf · There’s no Shortage of Answers already • “There’s nothing more practical than good theory”

A Brain that Listens to The Heart

Combine

• Rigor (in answering questions) AND

• Relevance (in asking questions)

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