کامپیوتر و IT و اینترنتعلوم مهندسی

THE INTERNET AND THE NEW INFORMATION TECHNOLOGY INFRASTRUCTURE

صفحه 1:
۲ ۰ ۰ Chapter 9 THE INTERNET AND THE NEW QNEORMA HPN TECHNOLOGY | INFRASTRUCTURE 940 ©2009 by Prxcace Wd

صفحه 2:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd رارکت زره * Okt ‏واه و۵ زره وا و‎ (IT) ]۱ 7 teoportadt to this ‏هه‎ 7 ° Wow des te ‘hercet work? Oke we ts war | ۰ Wow oa ۳ beara Prow ter Ttercet? 66 ©8009 by Preace Wd

صفحه 3:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd رارکت زره ‎by Preace Wd‏ 8009© وه

صفحه 4:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd 0 ‎perspevive va kPrerwle‏ میا و پبیل]؛ ‎tevebpwrdt‏ ‎Grteotay tokubdes Por te ww tPorwdica ‎©8009 by Preace Wd ‎9

صفحه 5:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd OO eae eed ae ate dae On a 66 ©8009 by Preace Wd

صفحه 6:
۱: encase ۱ rene Cote MCC nm nec eins ttnd OO eae ee edd pee ate dae OL a Information Celluiar Prones Applances and PCS, Prue O-0 66 ©2009 by Prxcace Wd

صفحه 7:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd ۱ Oa ٠ Opera oc dPPeved kardwore phPorws ‎by Preace Wd‏ 8009© مه

صفحه 8:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd ۱ Oa Grondarde wad Orweriviy Por ۱ ‏مه‎ Qodels oP Coneviviy Por Oetworks (TORN) ۰ 60600۲ ٠ ‏سس‎ 66 ©8009 by Preace Wd

صفحه 9:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd ۱ OL a (TOPMP) RePerewe Doce! Host A Host B Prone at Identical _ 4 message 5 __ Identical sear . packet t ‏سانا‎ ‏ات‎ ‎1 ‎te 37 Identical _ xy datagram _ Identical _ frame ~~~ مهو سب 99

صفحه 10:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd ومد ‎Oa aa‏ سماد جد حا ‎Obst‏ ‎(GP)‏ برمب<) روت بسصی؛ ‎ ‏اه ‎perwourd‏ 0 ات تون وین .۰ اسهت‌ اف ‎۰ a ‎90 ©8009 by Preace Wd

صفحه 11:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd Oa a ‏ومد‎ 900 ©8009 by Preace Wd

صفحه 12:
۱: na cee CNR Cn ty ۱ esa Ut RLCe nett crenet Cmts mC Cam Crecente Oa a a ae ea Oa هو سیب 9 لعرلاك سیب ربا 3

صفحه 13:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd Oe a a eee Oa ۰ Oses e-wdl browdsast Prow walicy bet servers 5 ©8009 by Preace Wd

صفحه 14:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd Oa a ae ea Oa uber oP ua ‘tert Okdeor 2 = name دامع ۳۳۲ ere keg err uC rue O-P ©8009 by Preace Wd 94

صفحه 15:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd Oe a a eee Oa * @Olaws poteipads to orede ter ows prude oka ‏عاصسمموم‎ 6.06 ©8009 by Preace Wd

صفحه 16:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd Oe a a eee Oa Teket ۰ Detwork toot ٠ Clowes wers ‏من با نا‎ tb ow ‏موجن‎ while worker cow Cie ‏سب‎ (©T@) ۰ Pool Por rerieviay cad traw?Perviag Pies Prow ‏عامس ند‎ ۳0۳ 95 ©8009 by Preace Wd

صفحه 17:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd Oa a ae ae ea Oa The Dent Crwratos Toercet und Intervet ‎by Preace Wd‏ 8009© وه

صفحه 18:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd ۱ On ۰ ‏ون‎ text, kyperweda, qwuphs, acd soured ٠ ‏طلسم‎ ol oP eed rated) ۰ Oses quphtod wer tusvPases Por easy ‏رصان‎ 96 ©8009 by Preace Wd

صفحه 19:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd 6.06 ©8009 by Preace Wd

صفحه 20:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd ۲۳ 0۷4 0 0 Geachtay Por IePorwaicd on the Deb ® de 08 3 ۰ eT ۶ revpeds ©8009 by Preace Wd

صفحه 21:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd ۲۳ 0۷4 0 0 660 ©8009 by Preace Wd

صفحه 22:
۱: na cee CNR Cn ty ۱ ttm ate tits ‘he Oorld Ore Orb ‏او(‎ oF os Oxtracet Cred 29۴ 9 میب 3 ‏ربا‎ Precise Ld

صفحه 23:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd ۲۳ 0۷4 0 0 The Orebss Orb * Osb-bosed wri یا تساه لد میت ابید ساب 2 امه : 4 یی ۰ — Orekss Procol (DPF) ۱ - OL Ore oe Leaquace) = 55-892 / طحدد 1 - — O-Onrwwerce Okdiexes - Oview porto 6. ©8009 by Preace Wd

صفحه 24:
۱: encase ۱ rene Cote MCC nm nec eins ttnd COLO Oe Se Es ‏حت ات‎ ‏مت م‎ Bice “Geter Te See = ae Sats’ ‏یت‎ = cae hae ee foe Ries ‏کب‎ rue 9-O ©2009 by Prxcace Wd

صفحه 25:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd Dhe Oorkd Ore Orb OG Orrew 1-Orde Permanent connection |-Mode Dial-up connection Encoded Requests ‘Content | ۱ Cell phone Encodes ‘or other and cient device decodes WAP: Piper 9-۶ ©8009 by Pree Wd

صفحه 26:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd he ‏و‎ Deb O-Cowwerce Obdeups CQeyboards add scree oP vel plows tay urd whwed ‏دس جا‎ 0 ۲ 0 ©8009 by Preace Wd

صفحه 27:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd Dhe ‏وس‎ Deb Oryectzaticad ‏و سل‎ tierwet wad Deb ‏روا‎ ۰ Oonwevtiy add yobd veal ٠ 2 terwiy, Pexbly, cd owiowizdior ۰ @vvelerded dstibuivd oP kale ‏عو‎ 6. ©8009 by Preace Wd

صفحه 28:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd es aed ne cae AO a ‏صا‎ ‎Ovb Gervere wd Glvivar Orwwerve Orrvere مر ‎Orb server's ba Pi ۱‏ حا یی ۰ ا ل ل ل ل سا 6. ©8009 by Preace Wd

صفحه 29:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd 109 aed a AO a ‏صا‎ ©8009 by Preace Wd

صفحه 30:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd 109 aed pe a AO a © ‏مضا‎ ‎Orb Oveed Ouangewed Tol *٠ OvPwore to Povhiae volevicn, worwb), aid warnewed of coded vd Deb sie, terrace, or ۳۳0 ©8009 by Preace Wd

صفحه 31:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd et aed ek ae AO a © ‏صا‎ ۰ Qoutows toe tater Por dowdlouday Deb pays 0 eee Web vie problews, wad built 660 ©8009 by Preace Wd

صفحه 32:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd ee aed ae AO a ‏صا‎ ‎Orb Losier ‏وت‎ ۰ Oowpay ‏او( جوا لب‎ server vowpuers وی بوچ ویو( ‎Dob sites oP‏ وویوی0) ۰ ©8009 by Preace Wd

صفحه 33:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd ee ee Ooo ٩ ‏و ممطله0‎ Ouragiry he Dew ‘Porwotrs Terhwby ‘kPretrwtie = Dose oP ‏اه موم‎ Orquazetioed chouge requreweus 9 ‏مس سس لأس يديه‎ ۱ * Guddbliy, rebubliy, wad seouwrly ‏سبط‎ 6. ©8009 by Preace Wd

صفحه 34:
۱: na cee CNR Cn ty Cee Ut ences Ut RCs nent c rene Cote MCC nm nec eins ttnd ©8009 by Preace Wd

صفحه 35:
۲ ۰ ۰ Chapter 9 THE INTERNET AND THE NEW QNEORMA HPN TECHNOLOGY | INFRASTRUCTURE 9. ©2009 by Prxcace Wd

Chapter 9 THE INTERNET AND THE NEW INFORMATION TECHNOLOGY INFRASTRUCTURE 9.1 © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure OBJECTIVES • What is the new information technology (IT) infrastructure for business? Why is connectivity so important in this infrastructure? • How does the Internet work? What are its major capabilities? • How can organizations benefit from the Internet? 9.2 © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure OBJECTIVES • What are the principal technologies for supporting electronic commerce and electronic business? • What management problems are raised by the new information technology (IT) infrastructure? How can businesses solve these problems? 9.3 © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure MANAGEMENT CHALLENGES 9.4 • Taking a broader perspective on infrastructure development • Selecting technologies for the new information technology (IT) infrastructure © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The New Information Technology (IT) Infrastructure for the Digital Firm Enterprise Networking and Internetworking Enterprise Networking • Arrangement of organization’s hardware, software, network, and data resources • Creates a company-wide network linking many smaller networks Internetworking • 9.5 Links separate networks into an interconnected network © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The New Information Technology (IT) Infrastructure for the Digital Firm The New Information Technology (IT) Infrastructure Figure 9-1 9.6 © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The New Information Technology (IT) Infrastructure for the Digital Firm Standards and Connectivity for Digital Integration Connectivity • Measures how well computers and computer-based devices communicate Open System 9.7 • Software systems • Operate on different hardware platforms © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The New Information Technology (IT) Infrastructure for the Digital Firm Standards and Connectivity for Digital Integration Models of Connectivity for Networks 9.8 • Transmission Control Protocol/Internet Protocol (TCP/IP) • Open Systems Interconnect (OSI) • 802.11b • Bluetooth © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The New Information Technology (IT) Infrastructure for the Digital Firm (TCP/IP) Reference Model Figure 9-2 9.9 © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The Internet: Information Technology Infrastructure for the Digital Firm What is the Internet? Internet Service Provider (ISP) 9.10 • Commercial organization with a permanent connection to Internet • Sells temporary connections to subscribers © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The Internet: Information Technology Infrastructure for the Digital Firm Internet Technology and Services Information appliance • 9.11 Device customized to perform few specialized computing tasks with minimal user effort © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The Internet: Information Technology Infrastructure for the Digital Firm Client/Server Computing on the Internet 9.12 Figure 9-3 © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The Internet: Information Technology Infrastructure for the Digital Firm Internet Tools for Communication Electronic Mail (E-Mail) • Connects people worldwide • Creates productivity gain LISTSERV 9.13 • On-line discussion groups • Uses e-mail broadcast from mailing list servers © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The Internet: Information Technology Infrastructure for the Digital Firm Analysis of an Internet Address Figure 9-4 9.14 © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The Internet: Information Technology Infrastructure for the Digital Firm Internet Tools for Communication Chatting • Live, interactive conversations over public network Instant messaging 9.15 • Chat service • Allows participants to create their own private chat channels © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The Internet: Information Technology Infrastructure for the Digital Firm Internet Tools for Communication Telnet • Network tool • Allows users to log on to one computer system while working on another File Transfer Protocol (FTP) • 9.16 Tool for retrieving and transferring files from a remote computer © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The Internet: Information Technology Infrastructure for the Digital Firm The Next Generation Internet and Internet 2 Internet2 9.17 • Research network with new protocols and transmission speeds • Provides an infrastructure for supporting high bandwidth Internet applications © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The World Wide Web Overview 9.18 • Based on a standard hypertext language called hypertext markup language (HTML) • Combines text, hypermedia, graphics, and sound • Handles all types of digital communication • Uses graphical user interfaces for easy viewing © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The World Wide Web Searching for Information on the Web Search Engine • Locates specific sites or information on Internet Shopping Bot 9.19 • Software with varying levels of built-in intelligence • Helps electronic commerce shoppers locate and evaluate products or services © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The World Wide Web Searching for Information on the Web “Push” technology • Obtains relevant information on networks Multicasting • 9. Transmission of data to a selected group of recipients © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The World Wide Web Intranets and Extranets Firewall • Hardware or software placed between an organization’s internal network and external network • Prevents outsiders from invading private networks Extranets • 9.21 Private intranets extended to authorized users outside company © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The World Wide Web Model of an Extranet Figure 9-5 9. © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The World Wide Web The Wireless Web • Web-based applications • Enables users to access digital information from the Internet • Wireless Web Standards: – – – – – – 9. Wireless Application Protocol (WAP) WML (Wireless Markup Language) Microbrowser I-mode M-Commerce Challenges Voice portals © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The World Wide Web Figure 9-6 9. © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The World Wide Web WAP Versus I-Mode 9. Figure 9-7 © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The World Wide Web M-Commerce Challenges 9. • Keyboards and screens of cell phones tiny and awkward to use • Very slow data transfer speeds • Minimal memory and limited power supplies in Internet-enabled phones • Web content primarily in text with very little graphics • Incompatible technologies © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure The World Wide Web Organizational Benefits of Internet and Web Technology 9. • Connectivity and global reach • Reduced communication costs • Lower transaction costs • Reduced agency costs • Interactivity, flexibility, and customization • Accelerated distribution of knowledge © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure Support Technology for Electronic Commerce and Electronic Business Web Servers and Electronic Commerce Servers Hit • Entry into Web server’s log file • Generated by each request to the server for a file Electronic commerce server software • 9. Provides functions essential for running e-commerce Web sites © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure Support Technology for Electronic Commerce and Electronic Business Customer Tracking and Personalization Tools 9. • Collecting and storing data • Combining data with already stored data • Analyzing the data • Identifying customer preferences and trends © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure Support Technology for Electronic Commerce and Electronic Business Web Content Management Tool • 9. Software to facilitate collection, assembly, and management of content on Web site, intranet, or extranet © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure Support Technology for Electronic Commerce and Electronic Business Web Site Performance Monitoring Tool 9.31 • Monitors time taken for downloading Web pages • Identifies broken links between Web pages, Web site problems, and bottlenecks © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure Support Technology for Electronic Commerce and Electronic Business Web Hosting Services 9. • Company with large Web server computers • Maintain Web sites of fee-paying subscribers © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure Management Issues and Decisions The Challenge of Managing the New Information Technology Infrastructure 9. • Loss of management control • Connectivity and application integration challenges • Organizational change requirements • Hidden costs of enterprise computing • Scalability, reliability, and security downtime © 2003 by Prentice Hal Essentials of Management Information Systems Chapter 9 The Internet and the New information Technology Infrastructure Management Issues and Decisions Some Solutions 9. • Change management • Education and training • Data administration disciplines • Planning for connectivity and application integration © 2003 by Prentice Hal Chapter 9 THE INTERNET AND THE NEW INFORMATION TECHNOLOGY INFRASTRUCTURE 9. © 2003 by Prentice Hal

51,000 تومان