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GQAAS Discussion Stephen Wright 6 November 2009

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ATUG 2009 NBN Reference Model Forum. GQAAS Discussion Stephen Wright 6 November 2009. Observations. Comprehensive document Architecture Model looks beyond NBN Co Is an industry-wide Model Embraces End-Users, NBN Co, Wholesale SPs, Retail ISPs and Application Providers

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ATUG 2009

NBN Reference Model Forum

GQAAS Discussion

Stephen Wright

6 November 2009

observations
Observations
  • Comprehensive document
  • Architecture Model looks beyond NBN Co
  • Is an industry-wide Model
  • Embraces End-Users, NBN Co, Wholesale SPs,

Retail ISPs and Application Providers

  • Addresses wireless as well as fibre delivery
  • Addresses key market structure issues
    • Strengthens retail competition
    • National coverage capability for SPs
    • Equal terms of access for SPs
discussion points overview
Discussion Points - Overview
  • Wholesale Services provided
  • Points of Interconnect
  • Network Resilience
  • Competitive Services at Retail
  • What does 100 Mbit/s mean ?
  • Transition Arrangements
  • Additional Points
wholesale services provided
Wholesale Services Provided
  • Layer 2 only , or Layer 3 ?
  • NBN Co saying L2, CA suggesting L3 option)
  • Layer 1 in some locations
  • POTS support?
  • Will FTA and Pay TV be supported?
  • Will Multicast be supported
points of interconnect
Points of Interconnect
  • Locations where RSPs will pick up aggregated customer traffic
  • Capital Cities (Type A) + Regional (Type B)
    • Should be choice
    • No overbuild of existing transmission
    • NBN could buy its ‘transport’ from existing carriers
    • Possible Implications for End Users
      • Expectation is normalised price across the country
      • Dilemma – Providing choice of cheaper prices for local interconnect drives a distance factor into SPs costs
      • Is one option for NBN Co to purchase required collective backhaul and amortise the cost
competitive retail services
Competitive Retail Services
  • Internet, Telephony, Video
  • Switching outside NBN Co
  • Interception still SP responsibility
  • Triple Play a key capability for SPs
  • Telstra ownership in Foxtel
    • Significant lever on customer proposition

– still has market power

  • Case for a ‘scale’ wholesale IPTV Multicaster
network resilience
Network Resilience
  • What level of ‘availability’ do we want at the end user level?
  • Telstra achieves ~ 99.90% for PSTN
  • Should we be aiming for 99.95% or higher
  • Chance now to design-in improved SLA
    • Less failures + faster restoration
    • Ring architecture to OLT , Distribution points
    • Built in service testing capability for SP
what does 100mbit s mean
What does 100Mbit/s mean?
  • Users can pay higher price for higher QoS but
  • What will be the characteristics of the most widely-used ‘best-efforts’ Broadband service
  • By necessity, will still be statistical multiplexing in the network
  • ACCC very interested in this area in the past
  • What will be the minimum speed for best efforts
  • User bandwidth increasing 50% every year – in 12 years ~ 100 times what we use today.
  • Network must adequately scaled now for longer term
  • Possible differentiation point for SPs - how much aggregated backhaul capacity they commit to per user. Will NBN Co set minimum?
transition arrangements
Transition Arrangements
  • Is ONT provided at time of installation
  • Who provides, owns and maintains ONT
  • (NBN Co indication it will own and maintain)
  • For wireless equivalent , does this still apply
  • Which of my Service Providers will be the Access Seeker?
  • How is existing service bundle transitioned to the new network?
    • New service level or equivalent?
    • Same Price ?
    • Introductory Broadband service available?
    • Telephony only available?
other discussion points
Other Discussion Points
  • Allocation of QoS allowances (packet loss, jitter, delay) between
    • On-net within NBN Co network
    • Off-net – Service Providers and International
  • Relation of NBN service to CSG
  • Relation to NBN service to USO
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