Equiping Rural Broadband Networks

Transcription

1 Equiping Rural Broadband Networks Technology enablers for cost-efficient DSL deployments Peter Linder Technical Director, Wireline, Ericsson Board Member, in the First Mile Allliance

2 Rural Broadband Key Issues Overall Broadband context Which Strategic issues do all operators face? How will a Dual vs. Triple play ambiton affect available options? What will the future communication service look like? Cost efficient for few subscribers per site Required improvements in DSLAM scalability One universal technology for Business & Residential users Improvements in reach and performance with ADSL2/2plus Cost efficient transmission to small sites Available alternatives deployed today Alternatives suggested for rural access Summary and Key take-aways Characteristics of successful operators Conclusions Equipping Rural Broadband OCED, Porto October 25 2

3 Strategic Broadband Challenges Rural Broadband part of three main Broadband industry issues DSL CO Coverage (Site Expanison) Broadband Service Mix PROFITABLE PENETRATION GROWTH DSL Service Affordable for a mass market Zero Broadband churn among early adopters Increase DSLAM utilization rates (low UPUR) NEW BROADBAND SERVICE MIX Differentiated Internet Access Offering A business model beyond a single best effort pipe High Penetration to pull new service providers 512k Best Effort Early majority Big Sites Equipping Rural Broadband OCED, Porto October 25 3 PROFITABLE EXPANSION TO SMALL COs Regulatory environment for rural Broadband Entry cost for first broadband line Cost efficient Transmission DSL User Uptake (Penetration/site)

4 Rural Broadband Ambition Levels Dual or Triple play ambition Define the broadband framework Best Effort Single Play (Broadband = Internet) Network throughput optimised for Internet Access No QoS mechanisms introduced Firts/Last Mile Second/Penultimate Mile CPE DSLAM Aggregation Access Edge Dual IP Play Data & Communication services QoS introduced Capacity as above Triple IP Play IPTV added for Residential users 50X throughput increase Equipping Rural Broadband OCED, Porto October 25 4

5 Telephony in a Broadband future Evolution scenario for the Communication Service Classic Telephony PSTN & ISDN universal penetration VoIP Classic Telephony over IP Converged Communication services Enhanced Communication services Basic Communication services Past Present Future Equipping Rural Broadband OCED, Porto October 25 5

6 Cost efficiency for few subs per site Required improvements in DSLAM downward scalability Past ~ 150 lines (Chassi with 3 linecards) Present 12 lines (Micro configuration) Equipping Rural Broadband OCED, Porto October 25 6

7 Cost efficiency for few subs per site A universal DSL Technology for Residential and SMB users 8Mbps/ 1Mbps 13-26Mbps/ 13-26Mbps Residential ADSL High Speed VDSL1 4-to-1 Rationalization 24Mbps Down (A) 3Mbps Up (M) Increased reach (L) 2Mbps/ 2Mbps 144kbps/ 144kbps Configurable Triple-Annex ADSL2/2plus Business SHDSL Long Reach IDSL Equipping Rural Broadband OCED, Porto October 25 7

8 Cost efficiency for few subs per site Visualization of Triple-Annex ADSL2/2plus speed and reach Data Rate, Mbps 24 ADSL2+ Upto 24Mbps downstream capcity Upto 3Mbps upstream capacity Sweet spot in 0-2km serving area Configurable for multiple annexes 12 8 ADSL2+ ADSL2 ADSL2 Upto 12Mbps downstream capacity Upto 3Mbps upstream capacity ~500kbps added capacity vs. ADSL 500m-1km increase in reach ADSL ADSL 1 Km 2 Km 3 Km 4 Km 5 Km 6 Km 7 Km Length, Km Equipping Rural Broadband OCED, Porto October 25 8

9 Cost efficient transmission Overview of currently deployed alternatives Target Solution (Triple play) Migration Solutions (Dual Play) ed /GE over C-WDM /GE over SDH/PDH /GE over MINI-LINK /GE CWDM over NextGen SDH /GE to ATM SDH / PDH SDH NG SDH STM1/4 ATM Equipping Rural Broadband OCED, Porto October 25 9

10 Cost efficient transmission Suggested alternatives for near term site expansion projects over TDM network SDH / PDH (PDH / SDH) Over MINI-LINK (Radio) Fast /GE /GE (Fiber for CO Interconnect) Equipping Rural Broadband OCED, Porto October 25 10

11 Summary and Key take-aways Characteristics of successful rural deployments SDH / PDH PC experience is an essential enabler TV as device might be required Successful Operators do often have a strong regional/local anchoring Small COs are likely not a short-term targeted for national players Business access vital driver End-user need exist & is key to ROI Fiber in the 2nd Mile priortized over fiber in the 1st Mile Local/Regional networks are potential Partners/Acquisition candidates for PTTs/SPs strive for architectrual alignment across a given market Adoption of centric architectures to enable low Operational costs Equipping Rural Broadband OCED, Porto October 25 11

12 Summary & Key Take-aways Major hurdles for rural DSL has been addressed Cost efficient for few subscribers per site Required improvements in DSLAM scalability One universal technology for Business & Residential users Improvements in reach and performance with ADSL2/2plus Cost efficient transmission to small sites Available alternatives deployed today SDH/PDH, Radio & Fast Etherent suggested for rural nodes Access to end-users beyond reach of DSL Radio Access (3G, HDSPA, WiMax) Extension of second mile beyond existing CO sites Equipping Rural Broadband OCED, Porto October 25 12

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