Transcript 980603-AAAS
Recent Developments in Networking Networking Resources for Collaborative Research in the Southeast AAAS Research Competitiveness Program Douglas E. Van Houweling [email protected] Overview History Today’s Internet Barriers to Progress Advanced Internet Projects Applications Internet2 -- What Is It? Network Requirements and Abilene Global Issues Trends Comments & Questions History ARPAnet origins NSFnet • Research and development cycle • Privatization in 1995 Higher ed planning in 1995/1996 • Are our research and education needs being met by today’s internet? • If not, what should we do? History, cont. October 1996 I2 organizing meeting • 34 institutions in attendance; all 34 signed up Membership commitment • $25,000/year in membership dues • I2 connectivity and campus upgrades History, cont. University Corporation for Advanced Internet Development • Established in October 1997 • Parent organization for the Internet2 and Abilene Projects Commercialization Privatization 21st Century Networking SprintLink InternetMCI Agency Networks ANS Interoperable High Performance Research &Education Networks ARPAnet Active Nets wireless WDM gigabit testbeds Research and Development NSFNET Quality of Service (QoS) Internet2, Abilene, vBNS ESNET, NREN, DREN Partnerships Today’s Internet Growing at 10 - 15% per month Challenges to higher education • The “world wide wait” • Human interaction awkward • Virtual meetings and seminars • Shared authoring • Browsing publications • Distributed large scale computing and data base efforts not feasible Today’s Internet Inadequate for mission-critical applications • Authentication • “Best efforts” not good enough Intranets and Extranets instead • Match capacity and demand • Provide a more secure environment • Don’t reach the public at large, though! Barriers to Progress Providers swamped attempting to match capacity to demand Advanced applications can’t be deployed No large scale development environment available Negative-sum competitive environment inhibits investment Advanced Internet Projects Next Generation Internet (NGI) • Focused on: • Federal mission agency needs • Maintaining US Internet leadership Internet2 • Focused on: • Higher education needs • Moving the public Internet to the next level Advanced Internet Projects The whole is greater than the sum of the parts • NGI provides partial financial support for university Internet2 projects • Internet2 and NGI coordinate technology development and deployment • Industry has strong incentive to implement resulting capabilities Application Attributes Large-scale, multi-site computation and database processing Real-time access to remote scientific instruments Interactive research collaboration and instruction Shared virtual reality Any combination of the above 3D Brain Mapping: “Watching the Brain in Action” University of Pittsburgh Carnegie Mellon University Pittsburgh Supercomputing Center Chesapeake Bay Simulation Source: Old Dominion University and University of Illinois-Chicago Remote Scanning Electron Microscope University of Michigan Philips XL30 American Sign Language and English Captions Gallaudet University Georgetown University Distributed Image SpreadSheet University of MissouriColumbia Upper Atmospheric Research Collaboratory University of Michigan Teleimmersion University of Illinois-Chicago University of Illinois-NCSA Old Dominion University The CAVE Source: University of Illinois-Chicago Immersadesk Source: University of Illinois-Chicago Virtual Temporal Bone Source: University of Illinois-Chicago What it Takes Engaging the applications developers Building a network that delivers the end-to-end functionality required by the applications Internet2: What Is It? The University Corporation for Advanced Internet Development (UCAID) • The Internet2 Project • The Abilene Project • Future Projects…. UCAID Mission Provide leadership and direction for advanced networking development within the university community. UCAID Organization & Budget University CEO’s are voting representatives for regular members Structured as an agile organization capable of responding to rapid change. 3 Councils with Board seats • Applications • Policy & Operations • Network Research Member dues provide income base UCAID Board Chair -- David Ward -- Chancellor, University of Wisconsin/Madison Henry Bienen -- President, Northwestern University William Bowen -- President, Mellon Foundation Molly Corbett Broad -- President, University of North Carolina Larry Faulkner -- President, University of Texas/Austin Steven Sample -- President, University of Southern California Graham Spanier -- President, Penn State University Gary Augustson -- Chair, Network Planning and Policy Council Tom DiFanti -- Chair, Applications Strategy Council Larry Landweber -- Chair, Network Research Liaison Council Doug Van Houweling -- President and CEO Membership Number • 126 Regular, 20 Affiliate, 30 Corporate • open application process • ~$1m/year regular member commitment Classes • Regular, Affiliate, Corporate • Regular members are only voting class of members Internet2 Member Universities 127 Members as of May 1998 Anchorage Juneau Alaska Honolulu Hawaii Corporate Members/Partners* • 3Com* • Advanced Network & Services* • Alcatel • Apple • Ameritech • AT&T* • Bay Networks* • Bell Atlantic • Bellcore • Cabletron* • Cisco Systems* • Deutsche Telekom • Digital Equipment Corporation • FORE Systems* • GTE Internetworking • IBM* • • • • • • • • • • • • • • • • Lucent Technologies* MCI Communications* Newbridge Networks* Nokia Nortel* Novell Packet Engines Perot Systems Qwest Communications* SBC Technology Resources Siemens Sprint StarBurst Communications* Sun Microsystems Torrent Technologies William Communications Internet2 Mission Facilitate and coordinate the development, deployment, operation and technology transfer of advanced, network-based applications and network services to further U.S. leadership in research and higher education and accelerate the availability of new services and applications on the Internet. Internet2 Goals Enable new generation of applications Re-create leading edge R&E network capability Transfer capability to the global production Internet Applications Priorities Focus on content • Educational • Research publications • Mass media -> personalized media Attack middleware challenge • Seek 100% coverage of interoperable scalable middleware • In collaboration with industry members Applications and Engineering Applications Motivate Enables Engineering Network Requirements End-to-end performance guarantees • Across multiple providers Application-based performance Authentication & security New business models • Performance related pricing Single-Lane Road -> Multi-lane Superhighway • Special-purpose lanes • Access control • Tolls where appropriate Solutions Quality of Service (QoS) • Enable advanced applications without brute force • Multi-cloud and multi-provider Support for Internet-based broadcast • Scalable New middleware: • Connect network to application • Support application-based charging • Authenticate users Support for large delay - bandwidth products Bigger pipes Internet2 Values in the QoS area Support applications Ensure multi-cloud (multi-carrier) QoS Ensure multi-vendor (open standards) QoS Quality of Service Challenge A B • Does the QoS approach support the applications? • Are there implementations that work? Only one? • If cloud ‘A’ and cloud ‘B’ both implement QoS, does the combined A+B catenation implement QoS? Internet2 Architecture Interconnects: connects all the gigaPoPs to each other u GigaPoPs: connect universities to the Interconnects and to other services u gigaPoP Universities: upgrade their LANs to more than 500 Mb/s u Interconnects u u gigaPoP u gigaPoP u u gigaPoP gigaPoP u u Project Abilene Announced 14 April Abilene and Other Networks A second Internet2 backbone -- the vBNS is the first. Intention to establish peering links with other research networks • Working with NSF on connection policies (grant allocation and conditions of use) • Federal networks • International links Project Abilene Objectives High availability backbone network for advanced research applications Separate network to test advanced network capabilities Separate network to do network research Project Team Overall direction by UCAID Qwest Corporation Nortel (Northern Telecom) Cisco Systems Open to other contributors Collaborate with related efforts in network or applications research Abilene Characteristics 2.4 gbps (OC48) among gigaPoPs, increasing to 9.6 gbps (OC192) Most connections at 622 (OC12) or 155 mbps (OC3) IP over Sonet technology Access PoPs very close to almost all of the anticipated university GigaPoPs Schedule Spring ’98: Cost/enrollment discussions Fall ’98: demos and pre-production Initial group connected by Jan ’99 Others as mutually planned in ’99 Computer Science & Network Research Support Provides foundation for supporting the continuous contribution of the higher education community to Internet development May be able to share elements of the inter-gigapop infrastructure for network research activities Global Issues Focus on researcher partnerships working on advanced applications Cooperate on QoS, etc. to maintain global interoperability Use STARTAP (Science, Technology, and Research Transit Access Point) for connectivity International Membership Policy • MOU’s with organization comparable to UCAID • Announcement at INET ‘98 • Establishment of International Membership Committee CANARIE Relationship Canadian Network for the Advancement of Research, Industry and Education Sponsors CA*net II Memorandum of Understanding executed 10/8/97 STARTAP Connection Operational Scholarly Collaboration Initiated • Digital Music • Teleimmersion Trend -Information -> Collaboration Today’s Internet focuses on access to and delivery of information and entertainment Tomorrow’s Internet will support human collaboration in an information and media rich environment Dramatic implications for the cable industry Your Comments and Questions