E-Commerce, Prof.Sheizaf Rafaeli Intro to the web process Main concepts: Bandwidth, Digital vs. Analog Aerial vs. Terrestrial, “The Negroponte Switch” ISDN, ADSL Synchronous vs. A-Synchronous DOMAIN NAMES Browser URL, IP, DNS, Cache, Log, Firewall, plug-in Strategy/Technology Age/Audience size Is the Web all there is? Three last frameworks

E-Commerce, Prof.Sheizaf Rafaeli The Paradigm Shift: Reduce Cost, Improve Service in Order Management Customer Sales and Service History Database Information Database Inventory Systems Order Processing n 800 n Mail COMPLETE THE TRANSACTION (Customer-Defined Access) EMERGING n Fax n On-line The Web/Online Services Delivery Systems n 800 n Mail CURRENT (Company-Defined Access) COMPLETE THE CALL

E-Commerce, Prof.Sheizaf Rafaeli Shared Market Data Virtual Shelf Collaborative Systems Manufacturer Customer Retailer Supplier 800 The Web ENTERPRISE FOCUS PARTNER FOCUS CUSTOMER FOCUS Manufacturer Customer Retailer Supplier Manufacturer Customer Supplier EMERGING NEAR TERM CURRENT 800 Fax On-line The Paradigm Shift: Reduce Time-to-Market in Supply Chain Management

E-Commerce, Prof.Sheizaf Rafaeli Browsing 101 1

E-Commerce, Prof.Sheizaf Rafaeli Browsing There exist a variety of browsers Explorer, Netscape, Mosaic, Lynx, Opera, Offline browsers HTML, and therefore browsers, are not Page Definition Language or systems Looking for dynamic, interactive presentation Hence the role of PDF, Shockwave, Java, DHTML, VRML, SSI, PHP, ASP, CGI, etc.

E-Commerce, Prof.Sheizaf Rafaeli Browsing 101 2

E-Commerce, Prof.Sheizaf Rafaeli Browsing 101 3

E-Commerce, Prof.Sheizaf Rafaeli Browsing 101 4

E-Commerce, Prof.Sheizaf Rafaeli Browsing an IP address is a 32-bit number that identifies each sender or receiver of information that is sent in packets across the Internet.bitpackets The IP address is usually expressed as four decimal numbers, each representing eight bits, separated by periods. This is sometimes known as the dot address and, more technically, as dotted quad notationdot address

E-Commerce, Prof.Sheizaf Rafaeli Browsing For a more extended discussion of IP addressing, see "Understanding IP Addressing: Everything You Ever Wanted to Know, by Chuck Semeria. "Understanding IP Addressing: Everything You Ever Wanted to Know At: sc/ html Longest Match forwarding Algorithm Dotted Decimal Notation Subnetting VLSM

E-Commerce, Prof.Sheizaf Rafaeli Browsing 101 7

E-Commerce, Prof.Sheizaf Rafaeli Browsing 101 8

E-Commerce, Prof.Sheizaf Rafaeli Browsing 101 9

E-Commerce, Prof.Sheizaf Rafaeli Browsing

E-Commerce, Prof.Sheizaf Rafaeli Browsing

E-Commerce, Prof.Sheizaf Rafaeli Browsing

E-Commerce, Prof.Sheizaf Rafaeli Browsing

E-Commerce, Prof.Sheizaf Rafaeli Browsing The cache is often accessible later on. Originally there for speed sake, now makes for a security and privacy nightmare

E-Commerce, Prof.Sheizaf Rafaeli Browsing

E-Commerce, Prof.Sheizaf Rafaeli Domain names There are currently over 6 million registered domain names About half use the.com extension Approximately 70,000 new every week Internet Corporation for Assigned Names and Numbers (ICANN)

E-Commerce, Prof.Sheizaf Rafaeli Governance (?): Keeper(s) of the Names InterNIC: Internet Network Information Center, funded by NSF. Since 1993, Network Solutions, Inc. (NSI), has been the only provider of domain name registration services in the.com,.net and.org top-level domains: October 1998: the "Shared Registration System.” : Five new registrars - in addition to NSI – were accredited to register domain names in.com,.net, and.org

E-Commerce, Prof.Sheizaf Rafaeli ICANN The Internet Corporation for Assigned Names and Numbers (ICANN) is the non-profit corporation that was formed to assume responsibility for the IP address space allocation, protocol parameter assignment, domain name system management, and root server system management functions previously performed under U.S. Government contract by IANA and other entities.

E-Commerce, Prof.Sheizaf Rafaeli

E-Commerce, Prof.Sheizaf Rafaeli Network Solutions $119 to reserve for two years $70 to register

E-Commerce, Prof.Sheizaf Rafaeli New Governance Information on the implementation of NSI's Shared Registration System will be available at Information about ICANN and ICANN's registrar accreditation process is available at Information regarding the United States Government's efforts to privatize the management of the domain name system and increase competition in domain name registration services is available at

E-Commerce, Prof.Sheizaf Rafaeli New Domain Names (TLDs) in 2001.biz.info.name.pro.coop.aero.museum Also… foreign language, and foreign administration

E-Commerce, Prof.Sheizaf Rafaeli Huh?

E-Commerce, Prof.Sheizaf Rafaeli Name already taken? Don’t despair Cybersquatters: “RealNames” and “Netword” schemes New TLD (Top Level Domains) just around the corner, or already allowed:.info,.md,.web,.store etc. UltraNeoColonialism: set up shop in Austria or Tonga: etc.

E-Commerce, Prof.Sheizaf Rafaeli Names for sale

E-Commerce, Prof.Sheizaf Rafaeli Three last frameworks... The strategy-technology linkage Information Age and Audience Size Who to Whom and When

E-Commerce, Prof.Sheizaf Rafaeli Three last frameworks... The strategy-technology linkage aspect:  Brand Awareness -- Information Publishing  Customer Segmentation -- Data Access  Loose Collaboration -- Transaction Processing  Tight Collaboration -- Object Sharing Chronological model?

E-Commerce, Prof.Sheizaf Rafaeli Age of information and audience size

E-Commerce, Prof.Sheizaf Rafaeli Age of information and audience size

E-Commerce, Prof.Sheizaf Rafaeli Age of information and audience size

E-Commerce, Prof.Sheizaf Rafaeli Age of information and audience size

E-Commerce, Prof.Sheizaf Rafaeli What technologies? (“communities”?) ICQ USENET Gooey, ubique Newer technologies and applications?