- Количество слайдов: 29
Internet in the 21 st Century ISOC Luxembourg Vint Cerf SVP Architecture & Technology World. Com July 4, 2002
What is the Internet? The largest network of networks in the world. Uses TCP/IP protocols and packet switching. Runs on any communications substrate.
Some Key Dates u Sept 1, 1969 – 1 st ARPANET node installed at UCLA u Sept 10, 1973 – First paper on Internet design (Vint Cerf, Bob Kahn) u Nov 22, 1977 – First 3 network demonstration (PRNET, SATNET, ARPANET)… MATNET u Spring 1981 - Strategic C 3 Demonstration/CSNET u Jan 1, 1983 – Internet Roll Out
More Key Dates u 1986 – NSFNET (MCI, IBM, MERIT => Advanced Network & Services) u Summer 1989 – First Commercial Link (MCI Mail/Internet); UUNET, PSINET, CERFNET; WWW – Tim Berners-Lee u 1990 – ARPANET retired u 1992 – MOSAIC; Internet Society Founded u 1994 – Netscape Communications Navigator u 1995 – NSFNET retired; v. BNS (MCI); Microsoft release of Internet Explorer
Open Access Architecture (the geeks will inherit the earth) u Roberts 1969: Telcos ignore ARPANET u Kahn 1972: Open Protocol Architecture u Cerf/Kahn 1974: layered access (starting at IP layer!) u 1983: NCP -> TCP/IP conversion u Cerf 1988: commercial access u Comm Act 1996: open access
Internet - Global Statistics 22. 5 Million Hosts (Bellcore June 1997) 190+ IP countries (VC est. June 1997) 50 Million Users (NUA Jul 1997) 115 Million Servers (NW/TC Jan 2001) 218/246 IP countries (NW Jan 2000) 513 Million Users (NUA Aug 2001) (approx. 1. 3 Billion Telephone Terminations)
Users on the Internet – Aug 2001 u CAN/US - 180. 68 M u Europe 154. 63 M u Asia/Pac - 143. 99 M u Latin Am - 25. 33 M u Africa 4. 15 M u Mid-east 4. 65 M -------------u Total 513. 41 M (Source www. nua. ie)
Internet User Trends Source: Nua Internet Surveys + vgc projections
Global Internet Hosts (000 s) 1989 -2006 513 Million users Source: Cerf, based on www. nw. com, Jun 2000 + LM Ericsson
Internet and Multi. Media u Internet multicast “video” (MPEG, RN. . . ), telephony and “radio” (MP 3, RN, …) u Transport of Internet traffic on cable, direct broadcast satellite, radio and broadcast TV u DSL, Cable modems, Gigabit Ethernet, MMDS, … (isdn)… u Real-time quality of service support, VOIP, Internet-enabled Call Centers u Handwriting and voice recognition.
Net-based Speech Recognition u Any speech-carrying medium (telephone, Internet, VPN) can carry commands to a speech “processor” on the net. u Speech recognizer can “command” any device on the net u Or deliver commands to any online service
UMASS Web server on a chip born 10 AM, 14 July 1999 u TCP/IP code itself fits in about 256 bytes (12 -bit) u PIC 12 C 509 A, running at 4 MHz u 24 LC 256 i 2 c EEPROM u HTTP 1. 0 and RFC 1122 compliant eternity. cs. umass. edu: 9080/index 0. html u
Internet Enabled Appliances u Electrolux Screen. Fridge u Previewed, Feb. 99 Domotechnica Trade Show, Cologne, Germany FEATURES Email & video mail Surf the Web TV/radio receiver Digital cookbook Product information & tips Surveillance camera u u u u
IP Enabled Picture Frame u Ceiva Digital Picture Frame u Features u u u Plug & Play 640 x 480 VGA JPEG Image Format Storage: 20 photos/250 on-line WWW. CEIVA. COM
SIP Telephony u Session Initiation Protocol Telephones u Cisco Systems, Pingtel, etc. u “email” addressing u ENUM: 1. 1. 9. 3. 0. 6. 5. 3. 0. 7. 1. e 164. arpa = sip: vinton. g. [email protected] com
Internet-enabled Devices u Programmable – Java, Python, etc. u Information appliances Web. TV, Palm-Pilot, Nokia 9000, Sony, Nintendo, Sega games (video conf) u Refrigerator (and the bathroom scales) u Automobiles (Japan, [Netherlands]) u Internet-enabled wine corks u Internet-enabled socks
Next Generation Internet u IPv 6 - 128 bits of addressing u Theoretically 10 38 hosts u IPsec u Significant transition effort needed u IANA officially announced IPv 6 allocations on July 14, 1999
Internet Society Chapters u. A critical resource for our motto: “Internet is for Everyone” u Social and cultural opportunities on the Net (cf. Luxembourg art gallery visit) u Policy development and information exchange u Fostering business interests and the general public’s use of Internet including education.
Policy Issues u Privacy/Security (EC, US, other…) u Cryptography and export u Trademarks, Domain Names, Copyright u Regulatory Framework and convergence (TV, Radio, Telephony) u Taxation, Liability and Dispute Resolution u Censorship/Voluntary Filtering u Digital Signatures/Certificate issuance
Future look. .
Interplanetary Internet: “Inter. Pla. Net” u Planetary internets u Interplanetary Gateways u Interplanetary Channel Protocol u “bundles” encapsulated in CCSDS link u. earth. sol. int, . mars. sol. int u Functional Layers of Protocol u Interplanetary Network and Information Systems Directorate (old DSN) u Project supports Mars mission plans
Cerf’s slides and other Internet information can be found at: www. isoc. org/internet livinginternet. com www. gip. org www. ipnsig. org www. ipv 6 forum. com