In chapter 2, it talked about the history of Internet and web include technology and research plan which were the foundation of e commerce. Also, we learned about protocol and web structure. For example, TCP/IP used on Internet for delivering information's protocol such as Linux, Macintosh, windows and unix. IP address is the computer's ID on Internet. For instance, www.amazon.com. The development of text markup language started in 1986's SGML. In 1991's HTML which through markup tag to define web's content and structure. Moreover, display by pictures, format styles and other web elements. In 1998's XML which describes the meaning of words, and provides common language to show the product's service and business process in order to share database and reduce the cost. In 2000's XHTML which is the new version and extension of HTML.
Intranet is private and use as same protocol as Internet. When the firms, suppliers, or partners need to integrate, they need to use intranet to connect together and become an extranet. There are three types of extranet: public network, private network and virtual private network. VPN provides the most secure and low cost benefit.
Internet suppliers provide different type of choices: dial connection is the most economic way but low speed to connect to the Internet. Broadband,wireless or mobile 3G have high speed connection to Internet. Since smart phones are widely use by many people, this also increase many new e business for low cost and bring high profit.
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