atug roundtable – november 2009 nbn architecture reference model
TRANSCRIPT
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ATUG Roundtable – November 2009
NBN Architecture Reference Model
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NBN Project ATUG Round-table Nov 2009 2
One Network to link them all….
The NBN access network enables subscribers to access services from multiple service providers, using wholesale (?bitstream?) services.
NBN
Video SP
Telephone SP
Terminology and labels are very important
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NBN Project ATUG Round-table Nov 2009 3
FTTx – Variations of a common theme
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NBN Project ATUG Round-table Nov 2009 4
Seven NBN related topics
August - Initial work started on 3 topics
September – Additional 2 topics started
October – Remaining 2 topics started
NBN Project Structure
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NBN Project ATUG Round-table Nov 2009 5
Draft only – Work In Progress
Aggregation & Backhaul
Service Edge & Core
End UsersApplications & Content
Access
Residential
Non-Residential
Non-Premises
FTTP
Wireless/ Satellite
Smart Metering
Security
I nternetInternet
IPTV/VoD
Voice
Retail NSPs
Wholesale I P NSP
(optional)
ASPs/ CSPs
Multimedia Calling
Education
Health
Group: Reference Architecture
NBN Reference Model
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NBN Project ATUG Round-table Nov 2009 6
FTT-Home - Passive Optical NetworkAppears to be front-runner in NBN architecture.
Unpowered optical 1:32 or 1:64 “splitter” (perhaps 1:24?)
Optical Fibre ‘drop cables’ to buildings, converter-box on
wall ~40km
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NBN Project ATUG Round-table Nov 2009 7
FTTH reference architecture
Draft only – Work In ProgressGroup: Reference Architecture
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NBN Project ATUG Round-table Nov 2009 8
Not just about speed
• Latency• Traffic Shaping• QoS queuing
• Encryption• IPv6• Data, Voice, Video
Group: Wholesale Services
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NBN Project ATUG Round-table Nov 2009 9
Service Provider Concerns
• Where can service providers ‘plug in’ – “5/50/500 issue”?
• How? Which interface standards?• How can service providers innovate
services?• Will a subscriber be able to connect to
multiple service providers simultaneously (NOT all through one ISP)?
Group: Reference Architecture
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NBN Project ATUG Round-table Nov 2009 10
Customer Issues – CPE access
• In the NGN world, the CPE and “Home Gateways” becomes vitally important• Interoperability – will subscribers have
choice of CPE (Pay TV Set Top Box ?)
• Reliability of critical services – especially when installed by the subscriber (no “LifeLine” telephone power?)
• Security – difficult to secure smart CPE, dumb network
Group: End User Premises
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NBN Project ATUG Round-table Nov 2009 11
Construction Standards – “Greenfields”
• Conduit, “pit and pipe”• Connectors, Splicing,
Optical Budget• Developer and Approval
authority checklists
Group: Early Stage Deployments
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NBN Project ATUG Round-table Nov 2009 12
International Standards
• Ensuring the Australian architecture corresponds with international precedents and standards
Group: Technical
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NBN Project ATUG Round-table Nov 2009 13
Who fixes service faults?
• Carrier ≠ CSP ≠ ISP ≠ TSP (VoIP?)• Subscriber wants SPOC for ordering
adds/moves/changes• Providers want automated flow-through
systems• Subscriber wants one finger to point,
but…• Who takes responsibility to troubleshoot a
problem?• Who wears the TIO investigation?
Group: Operational
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NBN Project ATUG Round-table Nov 2009 14
Transition
How will we migrate from here to there?
Group: End User Migration
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NBN Project ATUG Round-table Nov 2009 16
• Customer Choice
• “At each service delivery location, the network must enable multiple services to be active in parallel and operating simultaneously, each connected through the access network to different wholesale or retail service providers.”
Draft only – Work In Progress
• “Each active service may be connected to different physical devices within the customer premises, and each device within the premises may distribute the service into one or more in-premises networks.”
NBN Service Model
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NBN Project ATUG Round-table Nov 2009 17
NBN Reference ModelFTTP Options for Points of Interconnect
Group: Reference Architecture
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NBN Project ATUG Round-table Nov 2009 18
Layered Relationships
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NBN Project ATUG Round-table Nov 2009 19
Sustainability
Robustness
Security
IPv6
Future Proofness
Further Considerations
• Every NBN Project document must consider –
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NBN Project ATUG Round-table Nov 2009 20
ONT – the NBN boundary….
• Probably Multi-port• POTS, Data, Video?
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NBN Project ATUG Round-table Nov 2009 21
More ONTs
Note – 4 ethernet ports, no POTS/Video on this
one – enables gateways inside the house
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NBN Project ATUG Round-table Nov 2009 22
Multiple Services > Multiple CPE
FTTH Council AsiaPacific - 2005
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NBN Project ATUG Round-table Nov 2009 23
A glimpse of the future
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NBN Project ATUG Round-table Nov 2009 24
Multiple Services > Multiple CPE
• Future NBN-connected wiring cupboard?
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NBN Project ATUG Round-table Nov 2009 25
Thankyou
http://www.commsalliance.com.au/Activities/national-broadband-network