Internet 8 bbs concept.pptVIP

Chapter 22 Electronic Bulletin Board Service (Newsgroups) Contents 22.1 Bulletin Board Functionality 22.2 Bulletin Board Topics 22.3 Network News 22.4 Categories 22.5 Accessing Newsgroups 22.6 Moderated Newsgroups 22.7 How Much Is Available? 22.8 The Significance of Newsgroups 22.9 Net Etiquette Objectives Describe an Internet service that extends the use of email to allow an individual to join one or more discussion groups and participate in discussions with other members of the group Summarize the basic functionality Show a typical use Describe how the underlying mechanism operates Provide hints how to use bulletin boards and electronic mail 22.1 Bulletin Board Functionality An electronic bulletin board service allows a person to participate in a discussion group focused on a specific topic. The bulletin board service allows an individual to: Select one or more discussion groups of interest Post a note to the discussion group for others to read Post a note that responds to another note Find new notes and selectively read them 22.1 Bulletin Board Functionality (continued) Conceptually, the Internet’s electronic bulletin board service fills the same role for Internet users that conventional bulletin boards fill in everyday life. It allows individuals to post notices that others can read. The Internet provides access to thousands of electronic bulletin boards, each of which contains an ongoing discussion about a single topic. 22.1 Bulletin Board Functionality (continued) Electronic bulletin board service combines features of many communication mechanisms: Conventional bulletin board: Anyone is allowed to post a message for others to see. Newspaper: Each message is distributed to many subscribers. Newsletter from a club: The messages focus on a single topic of interest. Electronic mail service: Copies of each message propagate quickly. Informal discussion at a social gathering: An individual can listen to a conversation, ask quest