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![Page 1: Connect communicate collaborate International Networking using GÉANT & the NRENs for Data Moving Richard Hughes-Jones DANTE Delivery of Advanced Network.](https://reader035.fdocuments.in/reader035/viewer/2022062511/551afe515503462e578b5089/html5/thumbnails/1.jpg)
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International Networking using GÉANT & the NRENs for Data Moving
Richard Hughes-Jones
DANTE Delivery of Advanced Network Technology to Europe
UK e-Infrastructure Academic User Community Forum, Oxford, 12 September 2012
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40 European Countries
Dark Fibre + DWDM
Hybrid network:IP Packet routedIPv6, multicast, VPN
Point-to-point Circuitstypically 1Gbit/s
Dedicated LambdasFull 10Gbit/s
Bandwidth on Demand
Network monitoring
Security
Mobility
GÉANT & NRENConnectivity & Network Services
To download this map: http://www.geant.net/Media_Centre
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World ConnectivityThe Global Virtual Research Village
The GÉANT network has high speed links to networks in other world regions, connecting researchers across the globe:
Asia-Pacific
South Caucasus
Central Asia
Latin America
North America
Southern and Eastern Africa
Southern Mediterranean
To download this map: http://www.geant.net/Media_Centre
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THE GÉANT 100 GIGABIT ROLLOUT
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The GÉANT Procurement
Started at the beginning of 2010 with an RFI exercise (6 months)Formal Competitive Dialogue procurement process at the end of 2010 in 3 lotsDialogue ran throughout 2011, resulted in ITT for:
Technology agnostic approach to transmission“100G-optimised” transmission with flexible deployment of 10G services [lot 1]“Classical IP/MPLS” for “Packet transport” solutions for the switching layer [lot 2](Alternatives (MPLS-TP, PBB-TE) did not look sufficiently convincing)
We selected:DTN-X solution from Infinera Juniper MX IP/MPLS switch/routers
In addition we have re-procured the dark fibres.
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Day-1 connectivity used by MXs and extant routers (high level view)
KEY100G lambdaNx10GE lambdaNx10GE lambda (detail TBD)Nx10G leased lambdas
FR
IE
PT
GR
HU
Fink
ES
LU
BENLUK CZ SK
HR
AT
SI
PLDK
RU
DE
CH
IT
Actually Infineragives 500 Gbit
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Inside the GÉANT PoPThe Hybrid GÉANT+ services
GÉANTPOP A
To NREN A
Primary IPPeering
Backup IPPeering forNREN A
GÉANTPOP B
IP Router Switch
IPBackup
Lambdas
GÉANT+
To NREN B
Switch
Dark fibre/amplifier chain
Primary IPPeering
IPBackupGÉANT+
IP Router
Lambdas
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Inside the GÉANT New PoP
GÉANTPOP A
To NREN A
Primary IPPeering
Backup IPPeering forNREN A
GÉANTPOP B
IP Router
IPBackup GÉANT Lambdas
GÉANT+ *
BoD *
Dark fibre/amplifier chain
Primary IPPeering
IP Router
IPBackupGÉANT Lambdas
GÉANT+BoD
To NREN B
* Includes 10G and greater Optical Switch
Switch Switch
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RoadmapServices made available during 2012
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CONNECTING THE CAMPUS &DATA TRANSFER END SYSTEMS
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A Typical SiteAd Hoc Data Node Deployment
Eli Dart ESnet
Transfer node where user has space
Traffic subject to firewall &general campus LANs
perfSONAR at border
The goal is to provide:a high bandwidthloss free path to the data moving nodes.
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Prototype Science DMZ
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Eli Dart ESnet
Simple extension
Port on Border Router
perfSONAR at border & close to data transfer node
Campus firewall remains the same.
Security policy exceptions only allow traffic from partners.
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Virtual Circuit Prototype Deployment
paths.13
Adding a P2P circuit
Direct or through Border Router
perfSONAR at border & close to data transfer node
Campus firewall remains the same.
Security policy exceptions only allow traffic from partners.
DMZ hosts may use routed or P2P paths.
Allows multiple projects.
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NETWORK MONITORINGPERFSONAR MDM
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Collaboration + brilliant performances: perfSONAR – effective monitoring
Effective operations require proper network troubleshooting at an international scale
perfSONAR gathers information from different network domains and builds a global picture
Each measurement point runs perfSONAR software to measure the following metrics:
Available Bandwidth
One Way Delay
Jitter (One Way Delay variation)
Route Tracing
Regular historical & ad hoc on demand measurements.
Implementations interoperate, OGF standard:
perfSONAR MDM within GÉANT: http://perfsonar.geant.net
perfSONAR PS within I2/ESnet: http://psps.perfsonar.net/
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A new perfSONAR MDM:Compatible, open, interoperable
Developers actively working with the user community
Using direct user feedback to keep meeting their expectations
perfSONAR User Panel to gather requirements and steer development
Simplified installation procedure
RPMs and DEB packages available
Pre-installed, ready to use, Virtual Machines available
perfSONAR-take-away – live distribution on a USB stick
Revised documentation (lightweight and modular)
Interoperable with perfSONAR-PS
Successful use-cases: http://bit.ly/pdJJlf, http://bit.ly/pc5sZO,
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Summary
With European and world collaborations, the network is an integral part of the science and research.
Many connectivity service options are available to match the project requirements: Routed IP, pt-2-pt circuits, Lambdas, BoD.
The upgrade of the GÉANT infrastructure will to move it towards Terabits – plenty of Bandwidth available & more flexibility.
Involving the campus and NREN network teams in the e-infrastructure projects is a big plus.
Design the connectivity to the high performance nodes to avoid campus bottlenecks – e.g. the DMZ approach.
Make debugging easy by provide on-campus perfSONAR MDM network monitoring.
Provide a budget line item in the project for network connectivity.
Don’t forget to get the remote end to contact their NREN too!
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