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Internet Exchange Grid Computing

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LCG: a distributed computer and storage grid' connected by high-bandwidth networks ... Rack space rental. Power feed (no break), cooling. Cabling infrastructure ... – PowerPoint PPT presentation

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Title: Internet Exchange Grid Computing


1
Internet Exchange Grid Computing
  • AMS-IX Amsterdam Internet Exchange
  • LCG LHC Computing Grid
  • Wim Heubers CT computertechnologie NIKHEF

OKT05
2
AMS-IX association
AMS-IX B.V.
AMS-IX NOC
Housing locations
Science Park Amsterdam x x x
National Institute for Nuclear Physics and
High-Energy Physics
Computing and Network Services
3
  • Particle physics at NIKHEF
  • NIKHEF participates in international
    collaborations
  • Particle physics detectors produce large data
    sets
  • Now building the LHC Computing Grid LCG

4
ATLAS detector data production
One of the four LHC detectors
40 MHz (40 TB/sec)
online system multi-level trigger filter out
background reduce data volume
level 1 - special hardware
75 KHz (75 GB/sec)
level 2 - embedded processors
5 KHz (5 GB/sec)
level 3 - PCs
100 Hz (100 MB/sec)
data recording offline analysis
5
ATLAS detector data production
6
ATLAS detector data production
ATLAS 200 miljoen detektor elementen
7
Large Hadron Collider LHC
8
Data distributie (using the internet)
9
Data distributie (using the internet)
canada
VS
taipei
10
LCG a distributed computer and storage grid
connected by high-bandwidth networks

11
Grid projects
  • Research, development, deployment
  • Participation NIKHEF in
  • European grid project E-GEE
  • National grid project VL-E
  • Industrial partnerships
  • IBM, LogicaCMG, InTouch .
  • UvA, SARA, SURFnet, etc

12
Amsterdam Internet Exchange AMS-IX
13
Why AMS-IX at Science Park Amsterdam?
  • Spin-off from international scientific projects
  • Our scientists need high-bandwidth networks
  • Early involvement in internet developments (1980
    )

Sciencepark Amsterdam x x x
14
Internet exchange
  • Internet knooppunt
  • Internet infrastructuur

15
A brief history of networking at science park
Adam
  • 1980 First connection to CERN 1200 Baud modem
    by telephone
  • 1982 Eunet becomes into existing (CWI at WTCW)
  • 1983 ARPAnet in the USA switches to employ TCP/IP
  • 1985 The campus network at WTCW is established
    (10 Mbps shared)
  • elelectronic mail and Usenet news are
    relayed (CWI again)
  • 1986 SURFnet is started to establish an academic
    research network in NL
  • The .nl domain is registered.
  • 1990 TCP/IP is globally accepted as the
    network protocol
  • The predecessor of the AMS-IX is
    established at WTCW
  • 1991 The private NIKHEF-CERN line is
    decommissioned
  • 1992 The World Wide Web comes into action
    (invented at CERN!)
  • 1994 Informal start Internet Exchange
  • 1997 The AMS-IX is started as a neutral Internet
    traffic exchange
  • Now The AMS-IX is one of the largest
  • Internet exchanges in
    the world

16
Internet Exchange
Chello
ISP 2
ISP Internet Service Provider
does not scale up .
17
Internet Exchange
18
Amsterdam Internet Exchange (AMS-IX)
  • An Internet Exchange is a neutral and independent
    place for Internet Service Providers to exchange
    internet traffic
  • AMS-IX is an association (vereniging)
  • Execute board (5 elected members)
  • AMS-IX BV responsible for daily operations
  • AMS-IX NOC responsible for technical operations

19
Amsterdam Internet Exchange (AMS-IX)
Two type of AMS-IX members
  • Telecom operators (carriers) e.g.
  • KPN Telecom Versatel
  • MCI BT Ignite (Telfort)
  • Colt Telecom Global Crossing
  • Internet Service Providers (ISPs) e.g.
  • Xs4all Wanadoo
  • Planet Online TeleDanmark
  • Internet Access Eindhoven Tiscali
  • Internet admin organizations
  • RIPE NCC
  • NL Domain Registration

20
Multiple carriers - multiple cables
21
Amsterdam Internet Exchange (AMS-IX)
  • Statistics (October 2005)
  • 230 members
  • 398 connected ports
  • 30 carriers supply bandwidth capacity
  • Aggregate volume of all connections 21000
    TB/month
  • equals to an average bit rate of 75 Gbit/sec
  • equivalent of to 500.000 e-mails/sec !

22
  • Aggregate volume of all ISPs connected to AMS-IX
  • hourly graph
  • October 22, 2004
  • Maximum at 900 PM
  • 105 Gbit/sec
  • Minimum at 600 AM
  • 45 Gbit/sec

monthly graph Average volume Jul 2004 23
Gbit/sec Oct 2005 70 Gbit/sec
23
AMS-IX housing locations
  • 1994 WTCW
  • SARA
  • NIKHEF
  • 2000/2001
  • TeleCity (Z.O.)
  • Global Switch (W.)

sciencepark
24
AMS-IX star topology
3x10 Gbit/sec
25
Amsterdam Internet Exchange (AMS-IX)
  • The heart of the internet exchange
  • Foundry Networks gigabit switches

26
Euro-IX Affiliated Internet Exchange Points
27
More info www.ams-ix.net
28
NIKHEF AMS-X housing location
  • NIKHEF housing services include
  • Rack space rental
  • Power feed (no break), cooling
  • Cabling infrastructure
  • Access control
  • Fire protection
  • Intelligent hands and feet during regular working
    hours
  • NIKHEF housing services does not include
  • Equipment installation, configuration,
    maintenance (customers)
  • Network operation (AMS-IX BV)

29
What happens in case of failures?
  • Problems .
  • power outage
  • broken central switches
  • cabling problems
  • Solutions
  • No-break installations
  • Internet topology offers redundancy (rerouting)
  • Large ISPs connected to more then one exchange
  • Cable feed from two directions

30
In case of a power failure
Installation of the diesel generator on October
16th 2002
31
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