CS155a E Commerce Lecture 2 Sept 11 2001 Course Overview Telephone Network Connection based Admission control Intelligence is in the network Traffic carried by relatively few well known communications companies Internet Packet based Best effort Intelligence is at the endpoints Traffic carried by many routers operated by a changing set of unknown parties Business Question How to price Internet service Technical and Business Question s How to provide different QoS levels and how to charge for them Technical Business and Policy Question Does intelligence at the endpoints make sense for a mass market public infrastructure Shift to Internet Causes Changes in existing businesses e g telepresense New ways to do old kinds of business e g WWW based retail New kinds of businesses e g Internet infrastructure providers As an infrastructure for communication business and almost all forms of human interaction the Internet is new rapidly changing and inherently less manageable and controllable that older infrastructures Leads to questions about Privacy Authenticity Accountability Jurisdiction Co Evolution of Technology and Business Information Economy Network Effects Open Source Movement Internet Architectural Principle of Layering Robert Glushko CommerceOne Security Technologies Encryption Symmetric Key Public Key Signature PKI Rights Management Time Stamping Secure Containers References D Stinson Cryptography Theory and Practice CRC Press Boca Raton 1995 A Menezes et al Handbook of Applied Cryptography CRC Press Boca Raton 1997 Chapter 5 and Appendix E of The Digital Dilemma National Research Council 2000 http books nap edu html digital dilemma Political Question Crypto export Legal Question Do we have a right to use encryption To some form of electronic privacy Technical Legal and Policy Question Anonymity vs Privacy Business Question Can you make money selling security technology Changes in the Technology and the Economics of Publishing Computers and Digital Documents WWW based Publication Internet Distribution Technical Question Is copying modification and redistribution of copyrighted material now uncontrollable Business Question Is it possible to make money distributing copyrighted material e g popular music over the Internet Technical and Business Questions To what extent do encryption digital signature and other well understood security technologies make Internet content distribution manageable and profitable What other technology is needed What is the role of circumvention in effective development and deployment of relevant technology Technical Business and Legal Questions Is current copyright law technically feasible to implement and deploy on the Internet copy centric fair use is a defense not a right DMCA To what extent is copyright compliance monitorable To what extent should it be monitored Global Network vs Local Expectations Intellectual Property Law Censorship Banking Law WWW Searching Technical Question How to do it short answer Linear Algebra Business Questions How to make a business out of it What is the role of advertising Legal and Ethical Question What conclusions should be drawn about people by e g gov t employers insurance companies based on what they search for and what they find WWW Based B2C Retail Business Question What to sell Business and Technical Question How to capture and use customer information Massive scale Variable quality Numerous formats and intermediaries Business and Technical Question How to do online advertising Business Legal and Ethical Questions Who owns transaction data To whom can it legally be sold What can legally be done with it Technical and Business Question Is there an inherent tradeoff between personalization efficiency and privacy the cookie question WWW Based C2C Retail Economics and CS challenge Auction Design Technical Challenge C2C payment systems e g Electronic Cash Technical and Legal Question Distributed computing meets international law WWW Based B2B Exchanges Economics and CS Challenge Market Design Technical Business and Legal Question Do industry sponsored electronic market places promote monopoly and monopsony Technical Challenge XML and other language design questions Reading Assignment For September 13 Appendix C of The Digital Dilemma http books nas edu html digital dilemma How Domain Name Servers Work http www howstuffworks com dns htm Section 1 2 of Computer Networks A Systems Approach Peterson and Davie Morgan Kaufmann Publishers 1999 Available only in print form
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