JOHN CHAPMAN
Chair, Internet2 Middle East
Regional Interest Group
DECEMBER 11, 2014
Moving Towards a
GLOBAL NETWORK ARCHITECTURE
Refining and Evolving the Global Network Architecture
GNA
Vision: To describe an inclusive, collaborative Next Gen intercontinental R&E
network infrastructure with a 5 to 10 year horizon
Initial document by
• Xing Li (CERNET)
• James Williams (Internet2)
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So what started work on the GNA?
Global REN CEO Forum
Initiative:
Internet2
CERNET
NORDUnet
Janet
Addressing Common Challenges

Limited global NREN strategy coordination existed prior to 2012
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Initiative by Internet2, CERNET, NORDUnet and Janet to organize strategic dialogue
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Initial participant selection based on R&E stats, smaller group, ”G20” model
Goal: Seamless global ”services” delivery for users in R&E
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Two groups established in May 2013
GNA
Architecture group
Co-chairs:
James Williams – Internet2
Erik-Jan Bos - NORDUnet
Output: Dec 2013 CEO forum paper
July 2014 FAQ and update
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Executive action
team
Chair: Peter Elford - AARNET
GNA Evolution – not a new network
The GNA and the Global Network (GNet) are less about a physical network and
more about defining a framework for national networks and exchange points to
participate in a global network.
The GNet will be a collaboration or federation of existing networks/exchange
points. The GNA will be the framework or set of rules that organizations agree to
follow to participate in the GNet.
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GNA – Architecture Group Direction
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High-level, focused on long-term goals (5-10 yr)
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Looking at infrastructure and research trends, not just at technologies
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Develop three areas (Operations + Security; Technology +Topology; Services)
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Use ANA-100G as a pathfinder project
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Coordinating funding in smart ways via EAT
GNA – infrastructure approach

Greenfield approach... but leveraging:
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Existing and planned subsea cables

Research and big science installations
Advanced R&E networks & their BCPs
Yielding...
 Powerful network substrate:
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
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fat pipes
GREX (Global R&E eXchange)
Provisioning and operational tools & systems
GNA – implementation
Physical infrastructure: no big bang scenario
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Slow start (low hanging fruit first)
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Gradual phasing in
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No-one left behind – national, regional, global consultation
Transport substrate: progressive automation
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First: Manual (horizon: 5 years) – e.g. GN3plus SA2+GLIF+SDN work
important
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Later: Automatic (horizon: 10 years)
GNA – artist’s impression
Credit – Mian Usman (DANTE)
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Engage the community
Engage other networking efforts:
Involve other efforts and ideas such as the developing ESnet international network,
the NSF IREN planning and the EC Horizon 2020 efforts. And, of course,
developments in the ME (eg. Fujairah AGE-OX, etc.)
Formally engage the community:
At CANS
At the Internet2 Global Summit
At the TNC meeting
At APAN
At SIG meetings….
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ANA-100G : GNA pathfinder
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ANA-200G : GNA pathfinder – production ready Q4 2014
GXP
WIX
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How to participate!!!
We need your participation and feedback. The framework we are
developing will only be as good as the intellectual input creating it.
For the GNA:
You need a strong technical area of expertise (senior network architects)
You need to be able to commit to working on GNA activities, attending GNA
video conferences and a yearly(?) GNA face-to-face.
You need a commitment of your time and financial support from your CEO.
You need agreement from your NREN, as you will be representing your NREN.
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How to participate!!!
Contact:
Edward Moynihan, Director Global Programs
emoynihan@internet2.edu
Talk with me between sessions. I am happy to answer questions with
the knowledge I have.
Web resources:
https://www.internet2.edu/communities-groups/international-community/global-network-architecturetechnical-group/
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What will the
GLOBAL
Research and
Education
Community Do
Next!?
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