20011004-GigapopTransportOptions2-Corbato.ppt

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  • This is a general overview presentation about Internet2. Internet2 is a consortium, led by US universities, which is recreating the partnership among academia, industry and government that fostered today’s Internet in its infancy.
  • 20011004-GigapopTransportOptions2-Corbato.ppt

    1. 1. Internet2 Network of the Future & Abilene BoF Steve Corbat ó Director, Backbone Network Infrastructure Internet2
    2. 2. Ground rules for BoF <ul><li>Remember to mute (H.323) </li></ul><ul><li>We’ll use Web site for PPT </li></ul><ul><li>Q&A protocol (OOB preferred): </li></ul><ul><ul><li>linda_charlesworth (Yahoo! IM) </li></ul></ul><ul><ul><li>E-mail to [email_address] </li></ul></ul><ul><ul><li>H.323 </li></ul></ul>
    3. 3. BNI staff <ul><li>Steve Corbato </li></ul><ul><li>Heather Bruning </li></ul><ul><li>Linda Charlesworth </li></ul><ul><li>Chris Heermann </li></ul><ul><li>Wendy Huntoon </li></ul>
    4. 4. Internet2 Network of the Future <ul><li>Current state of Abilene </li></ul><ul><li>Evolution of optical networking </li></ul><ul><li>Next phase of Abilene </li></ul>
    5. 5. Abilene partnership <ul><li>A UCAID project with outstanding partners </li></ul><ul><ul><li>Cisco Systems </li></ul></ul><ul><ul><li>Nortel Networks </li></ul></ul><ul><ul><li>Qwest Communications </li></ul></ul><ul><ul><li>Indiana University </li></ul></ul><ul><ul><li>Internet2 Test and Evaluation Centers (ITECs) </li></ul></ul><ul><ul><ul><li>North Carolina </li></ul></ul></ul><ul><ul><ul><li>Ohio </li></ul></ul></ul>
    6. 6. Abilene status – October, 2001 <ul><li>IP-over-SONET (OC-48c) backbone </li></ul><ul><li>51 direct connections (3 pending) </li></ul><ul><ul><li>3 OC-48c connections (most recent: MAX) </li></ul></ul><ul><ul><li>22 will connect via at least OC-12c by year end </li></ul></ul><ul><li>198 primary participants </li></ul><ul><ul><li>All 50 states, District of Columbia, & now Puerto Rico </li></ul></ul><ul><ul><li>15 regional GigaPoPs support ~70% of participants </li></ul></ul><ul><ul><li>37 sponsored participants </li></ul></ul><ul><li>14 state education networks (SEGPs) </li></ul><ul><ul><li>Collaboration of sponsoring member universities and Abilene connectors </li></ul></ul>
    7. 8. International peering <ul><li>Transoceanic R&E bandwidths still growing </li></ul><ul><li>Key international exchange points facilitated by Internet2 membership and the U.S. scientific community </li></ul><ul><ul><li>STARTAP  STAR LIGHT – Chicago </li></ul></ul><ul><ul><li>Pacific Wave – Seattle </li></ul></ul><ul><ul><li>AMPATH – Miami </li></ul></ul><ul><ul><li>New York City – EP under development </li></ul></ul><ul><ul><li>CUDI peering - CENIC and UTEP </li></ul></ul>
    8. 9. Abilene Network routing policy N N N N Y Y Federal Network N N N Y Y Y Non-AITN Peer N N Y Y Y Y Abilene ITN Peer Source N Y Y N Y Y Federal Lab/BB Y Y Y Y N Y Corporate Participant Y Y Y Y Y Y Regular Participant Federal Network Non-AITN Peer Abilene ITN Peer Federal Lab/BB Corporate Participant Regular Participant ering Pe ransit T n tinatio Des
    9. 10. Current state of optical networking <ul><li>Dense Wave Division Multiplexing (DWDM) </li></ul><ul><ul><li>Current systems can support >160 10-Gbps  ’s </li></ul></ul><ul><ul><li>Optical growth can overwhelm Moore’s Law (routers) </li></ul></ul><ul><li>Costs scale dramatically with distance </li></ul><ul><li>Three possible scenarios for the future </li></ul><ul><ul><li>Enhanced IP transport (higher BW and circuit multiplicity) </li></ul></ul><ul><ul><li>Fine-grained traffic engineering </li></ul></ul><ul><ul><ul><li>p2p links between campuses, HPC centers, & Gigapops </li></ul></ul></ul><ul><ul><li>Physical manifestation of switched circuits (a la ATM SVCs) </li></ul></ul><ul><li>Evolution of optical switching will be critical </li></ul><ul><li>Leading international efforts in R&E exploration </li></ul><ul><ul><li>The Netherlands, Canada, STAR LIGHT (Chicago) </li></ul></ul>
    10. 11. Future of Abilene <ul><li>Original UCAID/Qwest MoU amended on October 1, 2001 </li></ul><ul><li>Extension of Qwest’s original commitment to Abilene for another 5 years – 10/01/2006 </li></ul><ul><ul><li>Originally expired March, 2003 </li></ul></ul><ul><li>Upgrade of Abilene backbone to optical transport capability -  ’s </li></ul><ul><ul><li>x4 increase in the core backbone bandwidth </li></ul></ul><ul><ul><ul><li>OC-48c SONET (2.5 Gbps) to 10-Gbps DWDM </li></ul></ul></ul><ul><ul><li>Capability for flexible provisioning of  ’s to support future point-to-point experimentation & other projects </li></ul></ul>
    11. 12. Key aspects of the next backbone <ul><li>IPv6 </li></ul><ul><ul><li>Running natively concurrently with IPv4 </li></ul></ul><ul><ul><li>Replicate multicast deployment strategy </li></ul></ul><ul><ul><li>Motivations </li></ul></ul><ul><ul><ul><li>Resolving IPv4 address exhaustion issues </li></ul></ul></ul><ul><ul><ul><li>Preservation of the original End-to-End Architecture </li></ul></ul></ul><ul><ul><ul><li>International collaboration </li></ul></ul></ul><ul><ul><ul><li>Router and host capabilities </li></ul></ul></ul><ul><ul><li>Collaboration with Internet2 IPv6 Working Group </li></ul></ul><ul><li>Network resiliency </li></ul><ul><li>New measurement capabilities </li></ul><ul><ul><li>Opportunity for new approaches </li></ul></ul><ul><ul><li>Support of End-to-End Performance Initiative </li></ul></ul>
    12. 13. Next generation network deployment <ul><li>October, 2001: Detailed technical design starts </li></ul><ul><li>February, 2002: PoP upgrades start </li></ul><ul><li>deployment in three phases </li></ul><ul><ul><li>April, 2002 – Phase 1 </li></ul></ul><ul><ul><li>October, 2002 – Phase 2 </li></ul></ul><ul><ul><li>April, 2003 – Phase 3 </li></ul></ul><ul><li>October 2003 - Completion of 10-Gbps upgrade </li></ul>
    13. 14. Network design overview <ul><li>Overall next generation topology is expected to be very similar to current design </li></ul><ul><ul><li>Previous iterations to router locations </li></ul></ul><ul><ul><ul><li>Washington DC, Chicago, Sunnyvale, Houston </li></ul></ul></ul><ul><ul><li>Some differences expected due to Qwest DWDM deployment </li></ul></ul><ul><ul><li>Expect same number of backbone routers </li></ul></ul>
    14. 15. Optical fanout <ul><li>Next generation architecture: Regional & state based optical networking projects are critical </li></ul><ul><ul><li>Three-level hierarchy: backbone, GigaPoPs, campuses </li></ul></ul><ul><ul><li>CENIC ONI, I-WIRE, SURA Crossroads, Indiana, Ohio </li></ul></ul><ul><li>Collaboration with the Quilt </li></ul><ul><ul><li>Regional Optical Networking project </li></ul></ul><ul><li>Carrier DWDM access is now not nearly as widespread as with SONET circa 1998 </li></ul>
    15. 16. Backhaul & cost recovery <ul><li>SONET backhaul model to remain in place </li></ul><ul><li>Gigabit Ethernet connections to be available on special case basis </li></ul><ul><li>Support model for 10-Gbps connections under evaluation </li></ul><ul><ul><li>We will poll potential 10-G connectors during the next 3 months </li></ul></ul><ul><ul><li>Key factor for detailed design phase </li></ul></ul><ul><li>Overall cost recovery model is expected to remain unchanged in the near term </li></ul>
    16. 17. Conclusions <ul><li>Abilene partnership with Qwest extended through 2006 </li></ul><ul><li>Backbone to be upgraded to 10-Gbps in three phases by late 2003 </li></ul><ul><li>Capability for flexible  provisioning in support of future experimentation in optical networking </li></ul><ul><li>Overall approach to the new technical design and business plan is for an incremental, non-disruptive transition </li></ul>
    17. 18. For more information <ul><li>Other Virtual Internet2 Member Meeting events this week </li></ul><ul><ul><li>Abilene Update BoF </li></ul></ul><ul><ul><ul><li>Wednesday 11:30a EDT (GMT –0400) </li></ul></ul></ul><ul><ul><li>Gigapop Transport Options </li></ul></ul><ul><ul><ul><li>Thursday 3:00p EDT </li></ul></ul></ul><ul><li>Web: www.internet2.edu/abilene </li></ul><ul><li>E-mail: abilene @internet2. edu </li></ul>
    18. 19. www.internet2.edu

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