chap12 - Internet Standards and Services Chapter 12...

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Internet Standards and Services Chapter 12
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Objectives In this chapter, you will learn to: Summarize the history of today’s Internet Identify the organizations that cooperate to set Internet standards Explain conventions for Internet domain and host naming Describe several popular Internet-based services and identify the protocols on which they rely Run and interpret the output of simple TCP/IP-based utilities
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The Evolution of the Internet Advanced Research Projects Agency (ARPA) - an organization formed by the United States government in 1958 to investigate and develop new military defense technology. ARPANET - a network that relied on telephone lines to transmit messages that had been fragmented into small packages of data between computers. Domain Name System (DNS) - a formal, centralized method for automatically associating IP addresses with host names. NSFNET - supercomputing centers at five universities across the nation plus a backbone to connect them with each other and, with other organizations. World Wide Web (WWW) - a collection of multiple Internet servers and a method for organizing data scattered over these servers.
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Technical Specifications Internet draft - a thorough explanation of a proposed standard. Internet Engineering Steering Group (IESG) - a committee made of IETF technical area directors that oversees IETF decisions. Request for Comments (RFC) - a numbered document that articulates some aspect of Internet technology. Proposed standard - reclassified Internet draft. Draft standard - a proposed standard that has been successfully by at least two independent researchers.
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Technical Specifications
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Technical Specifications
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Address Assignments and Naming Internet Assigned Numbers Authority (IANA): kept records of available and reserved IP addresses. was also responsible for allocating domain names and maintaining the Domain Name System (DNS). Regional Internet Registries (RIRS) - a not-for-profit agency that manages the distribution of IP addresses to private and public entities. Internet Corporation for Assigned Names and Numbers (ICANN) - a private nonprofit corporation that is contracted by the government to oversee IP addresses and domain name management, plus accomplish specific Internet management improvements.
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TCP/IP is a protocol suite that contains several subprotocols. Some subprotocols, such as TCP, are connection-oriented. Connectionless subprotocols do not guarantee data delivery, but can transmit data faster than connection-oriented subprotocols. Every addressable computer connected to a TCP/IP network is
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This note was uploaded on 10/25/2009 for the course IT 300 taught by Professor Staff during the Spring '08 term at George Mason.

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chap12 - Internet Standards and Services Chapter 12...

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