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Enabling Services in Broadband Access

Enabling Services in Broadband Access . Peter.Vetter@alcatel-lucent.be ECOC 2007 Berlin, 16-20.07.2006. Outline. Introduction to MUSE Service plane Multimedia service enablers Conclusions. MUSE Overall Objective. Multi service access network that provides

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Enabling Services in Broadband Access

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  1. Enabling Services in Broadband Access Peter.Vetter@alcatel-lucent.be ECOC 2007 Berlin, 16-20.07.2006

  2. Outline • Introduction to MUSE • Service plane • Multimedia service enablers • Conclusions

  3. MUSE Overall Objective Multi service access network that provides • secure connectivity between end-user terminals and edge • in a multi-provider environment • at a low cost for every European citizen. Network Service Provider Access Node First Mile MobileService Provider Aggregation network Edge Node Internet Service Provider Application Service Provider Residential Gateway

  4. Research Inst. & Universities IBBT Inria TU Eindhoven Budapest University (BUTE) ICCS/NTUA HHI Lund Institute of Technology (LTH) ACREO Univ. Carlos III de Madrid University of Essex MUSEConsortium Phase I: 2004-2005 Phase II: 2006-2007 36 partners -100 PY/year System vendors Operators (**) Component vendors SME Aarhus BB society (*) (*) (*) (*) Only in phase I (**) Only in phase II

  5. Outline • Introduction to MUSE • Service plane • Service enabler • Trends in access node technology • Service plane • Multimedia service enablers • Conclusions

  6. Service enablers • Network service enablers • Higher layer service enablers AAA QoS SecureConnectivity

  7. : Service enablers Time shifted TV Monitoring Proxy Service plane Service enablers Enhance deployment • Conversational services • Fixed mobile convergence • Multimedia services

  8. Access Platform evolution Feature Complexity Complexity of Added Value Features Platform Cost Operator Specific Requirements HW Platform Cost Time Ethernet Aggregation IP Subscriber Management Service & Application DSL Termination

  9. Why to migrate intelligence in the access ? • Quality (QoS): first fully trusted point close to the user – only point with complete view of all services per user • Security: ingress/egress point to network • Robustness: smaller number of users impacted in case of failure • Scalablility: feasible data rates for DPI and processing

  10. Integrated in Switch board Service B Service C Service A Service Plane Control Plane (SW) Separate Service Blade Advanced Data Plane (HW) Integrated in Line card Service Plane

  11. Outline • Introduction to MUSE • Service plane • Multimedia service enablers • Quality of Experience • Video aware traffic management • Reliable video transport • Time shifted TV • P2P enhancements • Monitoring and knowledge plane • Conclusions

  12. Quality of Experience • QoS: Network parameters • Bitrate • Packet loss • Delay, jitter • QoE: User perception • MOS (Mean Opinion Score) • Visible pixel errors per hour • Zapping delays • Viewing mode (e.g. live, progressive download) • Gaming: Fast response, but equal delay • Best Effort Internet • Service awareness in the network can improve the QoE

  13. Video Aware Traffic Management Bit Rate per GOP • Random drop : B, I, P picture and audio information equally affected I P Bs P Bs Bd Bd P Bs Bd P Bs Bd Bd Bd I P Bs Bd Bd • Intelligent drop : only Bd picture drop (e.g. through WRED) I P Bs P Bs Bd Bd P Bs Bd P Bs Bd Bd Bd I P Bs Bd Bd

  14. Random Drop Intelligent Drop Video Aware Traffic ManagementImpact on QoE

  15. Reliable video transport in access • Bursts of packet loss on DSL or Wireless segments • Detremental for Video services • Solutions: • FEC (Forward Error Correction) at application layer • Retransmission proxy impulsive noise

  16. XOR XOR C1 C2 C3 C4 C5 C6 C7 C8 L1 L2 L3 L4 L5 FEC approach • Recover lost packets at the STB with the help of redundant FEC information • Standard solution Pro MPEG • 20% extra BW to recover 1% packet loss 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 COP#3 matrix Row FEC packets Column FEC packets FEC at encoder FEC enabled STB

  17. Retransmission • Proxy in Access Node caches packets for short time • TCP • RTP/UDP • BW for retransmission is negligible Retransmission Request and buffer in STB Retransmission Proxy

  18. # Requests Real time broadcast 1 h 1day 1 week TSTV server Access CDN Server Regional VoD Server Central P2P interaction Time shifted TV

  19. BabelgumTM Enhancing P2P services Cache for P2P delivery DPI to trigger QoS

  20. Monitoring Plane – Knowledge Plane • Monitoring packet loss at ingress/egress point • Analysis, correlation, fault localisation • Trigger action to restore QoE

  21. Outline • Introduction to MUSE • Service Plane • Multimedia service enablers • Conclusions

  22. Conclusions • Service enablers increase the QoE of multimedia applications • Trend towards higher layer awareness in the access • Service plane allows for flexible implementation

  23. BB Access Lab trials SPE (XL-PON) at BT Ipswich SPC (FMC) at ACREO Kista SPC (FMC) at TNO Delft SPE (RoF) at TU/e SPB (Service Plane, MM) at DT Berlin SPE (CWDM) at HHI Berlin Via IST MUPBED SPD (Distr. content & control ) at PTI Aveiro SPB (Distr. SBC) at TID Huesca

  24. Thank you for your interest Muse confidential

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