Internet2 的发展与下一代互联网ppt课件

1、The Future of the InternetCERNET 10th Anniversary25 December 2004Douglas Van Houweling, President & CEOInternet2Congratulations!China has been an important contributor to the global high performance Internet communityCERNET has played a key role since 1994In 2004, we look back on CERNETs achieve

2、ments and forward to CERNET2Internet2 is delighted to be part of recognizing CERNETs contribution.OutlineInternet2Challenges to todays InternetThe future of advanced networks for research, teaching and learningAreas of collaboration for the US and ChinaInternet2 Yesterday and TodayLaunched October 1

3、99634 US universitiesFormally incorporated as not-for-profit corporation September 1997Abilene backbone network announced April 1998Today208 US universities; 60+ corporate members, 40+ affiliates, 45 international partners2nd Generation Abilene backbone network; Internet2 Commons, Shibboleth, InComm

4、on, NLR, QUILT, Arts & Humanities program, etc.Internet2 & Other Advanced Networking OrganizationsUS and ChinaPartnership between Internet2 and CERNET, CSTNET and NSFC since May 2000Chinese-American Networking Symposium seriesInternet2 is delighted to be co-organizer with CAST, CERNET and CS

5、TNETInternet Success Factors Technology progress keeps capacity ahead of demand Open end-to-end architecture Applications and content creation, enhancement, and dissemination Reachability Metcalfes Law and the Global Community A Commons Community collaborates to maintain its healthChallenges to the

6、Futureof the InternetEnd-to-end performanceNetwork architecture scalabilityLimited reach of advanced capabilitiesAbuse of network resources by applicationsSecurity: Authentication & privacyReduced investment in the Internet commonsKeys to the Future of the InternetConnectivityScalableReliably hi

7、gh end-to-end performanceEnd-to-end architectureIPv6Security without NATReachDisseminate multicast, end-to-end architectureIntegrate packet switched and circuit facilitiesEase of use, privacy, and securityStandard core middlewareAuthenticated Internet within & between trust communitiesIntegratio

8、n with advanced applicationsInternet2 Today (and Tomorrow)MotivateEnableInternet2 ProgramsNetwork InfrastructureAbilene, Fiberco, NLR Support, HOPINetwork ServicesIPv6, multicast, end-to-end performanceMiddlewareAuthentication, trust federations (InCommon) SecuritySecurity at Line SpeedApplicationsC

9、ollaboration environments (Internet2 Commons), SIP, high performance file transferInternationalCoordination with regional & national network organizationsNetwork ScalabilityRequirements:Internet protocol-based any-to-any connectivityEnd-to-end architectureIPv6, multicastReliable end-to-end perfo

10、rmanceStreams approaching backbone cross-section capacityCost-effective use of available circuit facilitiesHybrid network solution:IP protocolsRouted paths for most applications & hostsReal time measurementAutomatic allocation of optical circuits in real timePersistent large point-to-point flows

11、 between major routing junctionsEnd-to-end circuit reservation available on demandHybrid Optical & Packet Infrastructure (HOPI) ProjectExamine a hybrid of shared IP packet switching and dynamically provisioned optical lambdasMotivation: Scalability developmentUsers/Disciplines desire to provisio

12、n networks with their own characteristics; or networks for specific servicesRich set of switched optical paths becoming available:National Lambda RailInternational connectionsIP packet switched network in placeGoals:Build understandingProvide access to new capabilitiesHOPI Resources The Abilene Netw

13、ork High capacity packet switching and MPLS tunnels The Internet2 Wave on the NLR footprint End-to-end measurement facilities ManLan Experimental Facility Collaboration with international partners GLIF collaboration Ethernet Switch layer 2 switching ONS Switch layer 1 switching HDXC/OME6500 switches

14、 layer 1 and 2 switching The Regional Optical Networks RONsGlobal Lambda Integrated FacilityWorld Map December 2004Predicted international Research & Education Network bandwidth, to be made available for scheduled application and middleware research experiments by December 2004.glif.isVisualizat

15、ion courtesy of Bob Patterson, NCSA.End to end PerformanceView whole path as systemGive end users (and their system/network admins) tools to discover, diagnose, fix (or learn who to contact to fix) problemsNetwork measurement and monitoring framework (piPEs)Use data from regularly-scheduled tests; a

16、rchived data from others testsProvides capability to support HOPI effortsMiddleware Middleware is the stuff that makes “transparent use happen, providing persistency, consistency, security, privacy, and Federated AuthenticationScalable, decentralized infrastructureC

17、ritical to a broad range of initiativesBeing adopted and implementedIndustryInternationalMiddleware is an increasingly enabling elementShibbolethShibbolethSecurityRequire network security approaches that:Minimally compromise network performance and allow applications requiring advanced network servi

18、ces to functionSustain, in so far as possible, the end-to-end nature of the Internet architectureNetwork security, host software, and middleware become inter-dependentSecurity at Line SpeedNSF-funded workshopSALSA steering groupOutcome An authenticated Internet based on trust communities?Imperatives

19、 for the Advanced Networking CommunityReal progress in Internet technology and use is in doubtNot just connectivity, but performance, security, and reliabilityNew applications require capabilities unlikely to be available through evolutionary change The higher education and research community must p

20、rovide leadershipIndustry efforts focused on profit, maintaining the status quoOur organizations continue to treat the Internet as a CommonsNo organization, national or regional can succeed in isolation we must engage these problems collaboratively on a global scaleAgenda for US - China CooperationC

21、ollaborate on the development and deployment of new network architecturesWithin China: access to multiple wavelengthsExperimentation with new equipment/technologiesExploring new service architectures and business modelsConnectivity between our countriesWork on new architectures importantEven before

22、multiple wavelengths are availableCurrent infrastructure: US ChinaAPAN/TransPAC 2.5G45MbpsGLORIAD 155Mbps(CSTNET)CERNET 45MbpsIEEAF 622M + 10GAgenda for US China cooperationMiddleware/Security/PerformanceMultiple dimensions and intersections between these areasUS can benefit from China expertise and urgent demand for IPv6End-to-end principle and NAT-less networksPerformance implicationsSecurity implicationsInstrument our respective networks and interconnectionsPerformance-based measurements: partial-path analysis to diagnose problems (see tonights performance d