Transcript internet2 network

Internet2’s new network
Heather Boyles, [email protected]
APAN Singapore Meeting – Network
Engineering Session
19 July 2006
Overview
The New Internet2 Network
• Announced at the SMM, but details had to be withheld
• Will be deployed nationally over 13,000 miles of dedicated fiber using
Level3 fiber and Infinera optronics across the backbone
• 100G capacity to start (10x10G waves)
• Sustainable model with clear path forward to 40G & 100G
• Network capable of supporting production and experimental services
across the same infrastructure
• Internet2 will have complete control of the optical layer and highly
granular lightpath services that can be provisioned dynamically
• The network will provide short-term and long-term waves, as well as
on-demand or advanced reservation “lightpath” scheduling
• Waves come with Service Level guarantees
• The IP network, corresponding to the current Abilene footprint, will be
built on the optical network
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Layer 1 Topology
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Rick Summerhill
New Network Activities
Community Design Workshop
• Held 15-16 June in Indianapolis
• Provided details of the new network and received input
from the community
• Attended by more than 120 Internet2 member technical
and executive staff
• Breakout sessions regional, connector and site specific details
were discussed
• Internet2 received valuable input on architecture, services
and transition which is being integrated into the new
network design and policies
• Additional information is available at
http://networks.internet2.edu/
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Rick Summerhill
Background
Why a new network?
• New requirements from the community
• Current contract with Qwest
Communications coming to an end
October 2007
• Could have extended for 1 additional year
with decision by 31 March 2006 - declined
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Requirements
Where did these new requirements come from?
• Group A report from joint engineering
committee from Internet2 and NLR - describing
a wide ranging set of network attributes
• Abilene Technical Advisory Committee (TAC)
Report outlining a need to provide for new
experimental services along with production
services like IP
• MORPHnet document (1997) - Multi-Modal
Organizational Research and Production
Heterogeneous Network
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Requirements
Requirements, cont’d
• New capabilities of regional and state network
(facilities-based) – Quilt group input
• Research examining a wide variety of different types of
capabilities
• DRAGON and CHEETAH - NSF funded projects examining
dynamic provisioning
• Science related projects such as UltraLight and eVLBI
• OptIPuter and TeraGrid
• HOPI Testbed
• Input from the International community
• GEANT2 providing hybrid types of capabilities
• GLIF and lightpath capabilities for scientific work
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Architecture
Architecture Design Goals
• Develop an innovative optical system on a national
footprint to serve the broad research and education
community
• The goal is to support all Internet2 members and to enhance
the ability to serve a wider community
• Develop a hybrid network capable of providing pointto-point services together with an IP network
• Every connector (RON) connects to the backbone
across a metro location not requiring extensive
backhaul
• The community retains complete control of the layer 1
optical system including provisioning and switching of
wavelengths
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Architecture
Architecture Design Goals, cont’d
• Internet2 does not have to concentrate on
reliability and sparing - Level 3 is responsible
for an SLA.
• The community focus is on networking, not on
managing devices like amplifiers
• The system is capable of supporting network
research in wide variety ways
• Minimal Conditions of Use (CoU), allowing full
participation from the entire community in
providing new services and capabilities
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Architecture
The System
• System uses dedicated fiber from the carrier
• Built on Infinera platform providing innovative
optical technology
• Simple and convenient add/drop technology
• Simple and convenient wave setup, requiring only
additional endpoint interfaces
• Demonstrated high reliability in initial period of
operation on the Level3 network
• Economics of Infinera system are disruptive in the
market place
• Infinera gear is dedicated to Internet2; controlled by
Internet2
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Architecture
The System, cont’d
• Architecture has maximum flexibility. Every
RON can access every wave on the system if
needed
• System includes grooming capabilities lightpaths can be built over Ethernet or SONET
• Can take advantage of advanced SONET
capabilities like GFP, VCAT, and LCAS
• Capable of lightpath provisioning to the campus
• Lightpath capabilities illustrated in the following
diagram
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Architecture
System, cont’d
• RON connectivity expected to evolve to 2 x 10
Gbps connections
• 10 Gbps IP connection
• 10 Gbps point-to-point connection (capable of STS1 granularity lightpaths provisioned in seconds),
most likely provisioned using Ethernet (GFP based)
• Hybrid capabilities
• Expect 20 - 24 connectors
• Simple and consistent connection scheme
• Promotes aggregation
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Optical Nodes
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Rick Summerhill
Node Architecture
•Infinera Optical Gear Provisioned by NOC management
•Grooming capabilities in ADM to
provide sub channels
•HOPI types of activities on the
grooming boxes
•Simplified and standardized
interface to connectors, exchange
points, and other global research
and education networks
•2 x 10 Gbps interfaces
•Example displayed is the Atlanta
optical node, showing
connections required by the
collocated IP router node
•Measurement and control
servers will support the node
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IP Network
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Services
IP Network
• IP network built on top of optical system
• High reliability - architecture provides a variety of
protection options
• Commodity service will be available depending on
connector requirements
• Current plan is to continue to use highly reliable
Juniper routers, but open to new technologies
• Will likely use fewer routers, emphasizing point-topoint capabilities and hybrid networking
• Dynamic inclusion of circuits for capacity or backup
• Potential near term option of 40 Gbps
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Services
Circuit Services
• Short Term Dynamically Configured STS-1
Granularity:
• deterministic circuits using two waves on the full footprint, with
framing either SONET or GFP mapped Ethernet. There is no
additional cost to use these capabilities. They are included in the
base connectivity costs. There may be blocking in the use of these
capabilities.
• Long Term Circuits:
• Configured as above
• There is an extra fee for these circuits, proportional to bandwidth,
and charged on a day-by-day basis. The shortest term is one day,
and there is no call blocking for these capabilities.
• Long Term Full Waves:
• configured and provisioned on request based on advance planning
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Key Projects & Capabilities
• Application Specific Topologies
• vLBI, TeraGrid, LHC, NEES, NEON, NEPTUNE,
national file system
• Dynamic services
• Creating lightpaths across multiple administrative
domains in seconds
• TCP data flows
• File transfers over long distance segments not
requiring congestion control
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Engineering
Engineering and Operations
• Evolved from the current Abilene
Engineering/NOC at Indiana University and
HOPI Testbed Support Center
• 3 key areas:
• Control plane development, deployment, and
support – MAX through DRAGON project
• Application support – NCREN (North Carolina)
• Advanced engineering, monitoring, and
management – Indiana University Global NOC
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Network Research
Network Research
• Flexibility is key feature of the new
network
• Smaller projects at lower bandwidths can be
supported on variable footprints
• Projects can also be supported for variable
lengths of time
• Projects like VINI and GENI can be
supported by the new Internet2 network
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Network Research
Network Research, cont’d
• The Abilene observatory will be expanded to include
the new capabilities of the network
• Data collection at all layers of the network, with datasets
made available to network researchers
• Support for collocation of equipment in optical nodes
• Internet2 has supported individual network research
projects whenever possible. Examples include
• The router clamp
• MPLS tunnels for researchers - these can now be supported
at layer 1 on the new Internet2 network
• The 100x100 project
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Implications for International Peers
• Physical Interconnection
• Some moves, but….
• Remain at US “coastal” exchange points:
PacificWave (north and south), StarLight,
MAN LAN, Atlantic Wave
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Implications for International Peers, cont’d
• Policies (aka “AUP” or “COU”)
• Who can connect
• What traffic can be carried
• International Transit
• Internet2 network participation in
International Transit Network (ITN) remains
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Implications for Int’l Peers, cont’d
• New Services
• Beyond just Layer 3 peering…..
• Provision circuit services as described
above, with those with similar services
• Service Trial underway with GEANT2
• Interested in similar trials with others
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Questions? Comments?
• [email protected]
• http://networks.internet2.edu
• http://www.internet2.edu/files/Internet2New-Network-Tech-v0.9.pdf
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