1_ip網(wǎng)絡(luò)的現(xiàn)狀和發(fā)展-文庫吧資料
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【正文】 ng ? Require advanced working Many Disciplines and Contexts ? Sciences ? Arts ? Humanities ? Health care ? Business/Law ? Administration ? … ? Instruction ? Collaboration ? Streaming video ? Distributed putation ? Data mining ? Virtual reality ? Digital libraries ? … Virtual Laboratories ? Interactive research and instruction ? Realtime access to remote scientific instruments Images courtesy of the University of Michigan Virtual Laboratories ? Realtime access to remote instruments ? University of Pittsburgh, Pittsburgh Superputing Center 3D Brain Mapping Digital Libraries ? Video and audio ? Indiana University Variations Project Distributed Computation ? Multisite databases ? Old Dominion University Chesapeake Bay Simulation Image courtesy of Old Dominion University Teleimmersion ? Shared virtual reality ? University of Illinois at Chicago Virtual Temporal Bone Images courtesy Univ of IllinoisChicago Abilene ? Project announced 14 April 1998 by VP Gore ? Most advanced and far reaching research and education work in the world – support advanced research applications – integrated advanced work services ? Developed by UCAID – Qwest, Nortel and Cisco corporate partners ? Advanced native IP backbone work available to universities participating in UCAID’ s Inter2 project Abilene Characteristics ? Gbps (OC48) among gigaPoPs, increasing to Gbps (OC192) ? Connections at 622 Mbps (OC12) or 155 Mbps (OC3) ? IP over So technology ? Access PoPs very close to almost all of the anticipated university gigaPoPs Abilene Schedule ? Fall 1998: Demonstrated work at member meeting, in preproduction at several universities, connected to Chicago switch for STAR TAP ? Janurary 1999: Abilene in service ? By December 1999: around 65 institutions connected The TransPAC Network ? The work is based on a 70 Mbps VBRnrt ATM international connection between the STAR TAP in Chicago and the APAN Tokyo exchange point. ? The underlying ATM service provided by ATT/KDD. ? TransPAC provides ATM and IPlayer user services. ? APANTransPACvBNS/Canarie provides one of the world’ s largest highperformance research works and constitutes the premier global testbed for developing next generation work protocols and services. STAR TAP STAR TAP Common Interconnect for NGI, Inter2, International HighPerformance Networks Tel: + “ Canada’ s National Optical Inter” GigaPOP CA* 3 National Optical Network Vancouver Calgary Regina Winnipeg Ottawa Montreal Toronto Halifax St. John’ s Fredericton Charlottetown RAN BC WURC SR MR ONet RISQ ACORN OC3 OC3 DS3 OC12 OC48 Chicago STAR TAP CA* 3 OC12 Teleglobe 中國的 Inter 中國科學(xué)技術(shù)計(jì)算機(jī)網(wǎng)（ CSTNET） NCFC（ APT）， CAS， CER CST：信息服務(wù)、超級計(jì)算、 CNNIC 1999/12/31 2023/06/30 2023/01 10M 10M 55M 中國公用計(jì)算機(jī)互聯(lián)網(wǎng) （ CHINANET） 郵電部主管，依托 CHANAPAC、 CHANADDN、 PSTN， 1995年 6月完成 1999/12/31 2023/06/30 2023/01 291M 711M 1953M （ 北京 170M、上海 214M、廣州 327M） （ 北京 721M、上海 661M、廣州 571M） 中國教育和科研計(jì)算機(jī)網(wǎng) （ CERNET） 教育部主管， 10主結(jié)點(diǎn)，完全采用 TCP/IP技術(shù)， 1995年 12月完成 1999/12/31 2023/06/30 2023/01 8M 12M 117M 中國金橋信息網(wǎng) （ CHINAGBN） 電子部建設(shè)、 1996年 9月完成，政府機(jī)關(guān)、文教單位、大型企業(yè) 1999/12/31 2023/06/30 2023/01 22M 69M 148M （北京 49M、上海 12M、廣州 8M）
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