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David Foster Head, Communications and Networks CERN

LHC Networking LHC Grid Fest October 2008. David Foster Head, Communications and Networks CERN. You are here. (perhaps). Map of the Internet. LHC Tier0-Tier1 Network Contributors. Showing end-end links made by “stitching” circuits together from different contributors and backup links

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David Foster Head, Communications and Networks CERN

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  1. LHC Networking LHC Grid Fest October 2008 David FosterHead, Communications and Networks CERN

  2. You are here (perhaps) Map of the Internet CERN – March 2007

  3. LHC Tier0-Tier1 Network Contributors

  4. Showing end-end links made by “stitching” circuits together from different contributors and backup links for resiliency

  5. GÉANT2: Consortium of 34 NRENs 22 PoPs, ~200 Sites38k km Leased Services, 12k km Dark Fiber Supporting Light Paths for LHC, eVLBI, et al. • Dark Fiber Core Among16 Countries: • Austria • Belgium • Bosnia-Herzegovina • Czech Republic • Denmark • France • Germany • Hungary • Ireland • Italy, • Netherland • Slovakia • Slovenia • Spain • Switzerland • United Kingdom H. Doebbeling

  6. LHC OPN Architecture

  7. Global Lambda Integrated FacilityWorld Map – May 2008www.glif.is Link To TIFR Visualization courtesy of Bob Patterson, NCSA/University of Illinois at Urbana-Champaign. Data compilation by Maxine Brown, University of Illinois at Chicago. Earth texture from NASA.

  8. Harvey Newman HEP Bandwidth Roadmap for Major Links (in Gbps): USLHCNet Example  Paralleled by ESnet Roadmap for Data Intensive Sciences

  9. Exponential Growth 9 12 18 Optical Fibre(bits per second) Doubling Time(months) Gilder’s Law(32X in 4 yrs) Data Storage(bits per sq. inch) Storage Law (16X in 4yrs) Performance per Dollar Spent Chip capacity(# transistors) Moore’s Law(5X in 4yrs) 0 1 2 3 4 5 Number of Years Triumph of Light – Scientific American. George Stix, January 2001

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