20011003-NoFBBoF-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.
  • 20011003-NoFBBoF-Corbato.ppt

    1. 1. Internet2 Network of the Future Steve Corbato Director, Backbone Network Infrastructure Internet2
    2. 2. Internet2 Network of the Future <ul><li>Backbone Network Infrastructure </li></ul><ul><li>TEAM </li></ul><ul><li>Steve Corbato, Director, BNI </li></ul><ul><li>Heather Bruning, Abilene Project Coordinator </li></ul><ul><li>Linda Charlesworth, Sr. Staff Assistant </li></ul><ul><li>Chris Heermann, Sr. Network Engineer </li></ul>
    3. 3. 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>
    4. 4. Abilene partnership <ul><li>A UCAID project in partnership with </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>
    5. 5. 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>
    6. 7. 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>
    7. 8. Future of Abilene <ul><li>Original UCAID/Qwest MoU amended – 10/1/01 </li></ul><ul><li>Reaffirmation of Qwest’s original 5-year commitment to Abilene </li></ul><ul><ul><li>Now through October 1, 2006 (previously 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>
    8. 9. 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 multiplicity) </li></ul></ul><ul><ul><li>Fine-grained traffic engineering </li></ul></ul><ul><ul><ul><li>p2p links between campus and Gigapops </li></ul></ul></ul><ul><ul><li>Physical manifestation of switched circuits (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>
    9. 10. 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>
    10. 11. 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>
    11. 12. 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>
    12. 13. 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>
    13. 14. 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>
    14. 15. 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>
    15. 16. 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>
    16. 17. www.internet2.edu

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