david foster head, communications and networks cern
DESCRIPTION
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 - PowerPoint PPT PresentationTRANSCRIPT
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David FosterHead, Communications and Networks
CERN
LHC NetworkingLHC Grid FestOctober 2008
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2 CERN – March 2007
Map of the Internet
You are here(perhaps)
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LHC Tier0-Tier1 Network Contributors
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Showing end-end links made by “stitching” circuitstogether from different contributors and backup linksfor resiliency
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GÉANT2: Consortium of 34 NRENs
Dark Fiber Core Among16 Countries:
AustriaBelgiumBosnia-Herzegovina Czech RepublicDenmarkFranceGermanyHungaryIrelandItaly,NetherlandSlovakiaSloveniaSpainSwitzerlandUnited Kingdom
22 PoPs, ~200 Sites38k km Leased Services, 12k km Dark Fiber Supporting Light Paths for LHC, eVLBI, et al.
H. Doebbeling
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LHC OPN Architecture
Tier-2s and Tier-1s are inter-connected by the general
purpose research networks
Any Tier-2 mayaccess data at
any Tier-1
Tier-2 IN2P3TRIUMF
ASCC
FNAL
BNL
Nordic
CNAF
SARAPIC
RAL
GridKa
Tier-2
Tier-2
Tier-2
Tier-2
Tier-2
Tier-2
Tier-2Tier-2Tier-2
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Global Lambda Integrated FacilityWorld Map – May 2008
www.glif.is
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.
Link To TIFR
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HEP Bandwidth Roadmap for Major Links (in Gbps): USLHCNet Example
Year Production Experimental Remarks
2001 0.155 0.622-2.5 SONET/SDH
2002 0.622 2.5 SONET/SDH DWDM; GigE Integ.
2003 2.5 10-20 DWDM; 1 + 10 GigE Integration
2005-6 10-20 2-10 X 10 Switch; Provisioning
2007-8 3-4 X 10 ~10 X 10; 100 Gbps
1st Gen. Grids
2009-10 6-8 X 10
~20 X 10 or ~2 X 100
100 Gbps Switching
2011-12 ~20 X 10 or 2 X 100
~10 X 100 2nd Gen Grids Terabit Networks
2013-5 ~Terabit ~MultiTbps ~Fill One Fiber Paralleled by ESnet Roadmap for Data Intensive Sciences
HarveyNewman
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Exponential Growth
Gilder’s Law(32X in 4 yrs)Storage Law (16X in 4yrs)
Moore’s Law(5X in 4yrs)
Triumph of Light – Scientific American. George Stix, January 2001
Per
form
ance
per
Dol
lar S
pent Optical Fibre
(bits per second)
Chip capacity(# transistors)
Data Storage(bits per sq. inch)
Number of Years0 1 2 3 4 5
9 12 18
Doubling Time(months)