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Evaluating Approaches to Building DPI into an LTE Network at the PDN Gateway and Ensuring Scalability
 

Evaluating Approaches to Building DPI into an LTE Network at the PDN Gateway and Ensuring Scalability

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Presentation delivered at Broadband Traffic Management Congress on November 2010 entitled, "Evaluating Approaches to Building DPI into an LTE Network at the PDN Gateway and Esuring Scalability"

Presentation delivered at Broadband Traffic Management Congress on November 2010 entitled, "Evaluating Approaches to Building DPI into an LTE Network at the PDN Gateway and Esuring Scalability"

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    Evaluating Approaches to Building DPI into an LTE Network at the PDN Gateway and Ensuring Scalability Evaluating Approaches to Building DPI into an LTE Network at the PDN Gateway and Ensuring Scalability Presentation Transcript

    • Broadband Traffic ManagementEvaluating Approaches to Building DPI into an LTE Network at the PDN Gateway and Ensuring Scalability Manish Singh Vice President, Product Line Managementwww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 1
    • At a Glance Over 150 Customers Worldwide Protocols LTE Femto DPI ATCA Professional Platforms Services See us in the Exhibit Areawww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 2
    • Recent News & Awards 16th LTE Win: BreakingPoint • LTE measurement & validation Mindspeed + Arraycom + Continuous • LTE eNodeB reference design • Accelerates deployment, reduces cost Allot Selects Continuous • DPI / Traffic Management • Top 3 traffic mgmt vendor (Infonetics) Winner: • Femto Forum Awards Winner: • Informa LTE Awards Finalist: • World Communications Awardswww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 3
    • Agenda – LTE Traffic Management & Monetization! Why? What? How?www.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 4
    • Why? Why?www.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 5
    • LTE’s Momentum 150+ Operators • Committed LTE plan • Trials & Rollouts 1st LTE Commercial Network • Launched in 2009 • TeliaSonera in Sweden & Norway 72 Million LTE Connections by 2013 • 2010 more commercial deployments • MetroPCS, Verizon, NTT DoCoMo, China Telecom Source: Infonetics Research, 2009www.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 6
    • Growth Drivers Demographics Devices Demand Internet Mobile Internet Internet Applications Generation Devices & Contentwww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 7
    • And More to Come… Smartphones, Netbooks, Notebooks… Smartphones Netbooks Notebooks Cameras, eBooks, Med Devices, Gaming, Navigation… Personal Medical Gaming Navigation IP Cameras eBooks Devices Consoles Systemswww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 8
    • Mobile Broadband: Huge Demand, Huge Challenges Capacity Mind The Gap  Traffic doubling every 12 months  More for less Text  LTE spectral efficiency gain = 4X  Lower cost per bit Source: Morgan Stanley, Mobile Internet Report 2009 Source: Light Reading, 2009www.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 9
    • What? What?www.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 10
    • Options Increase Revenue Reduce Traffic  $X / MB  Walled Garden  Less for More  Traffic Blocking But, that’s going back…www.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 11
    • Alternative MME / Serving GW MME / Serving GW Capacity S1 S1 X2 eNodeB eNodeB Cost eNodeB But Still Spectrum Limited 4X 1,000,000x Manage LTE Spectral FAP Spectrum DPI Limited Efficiency Reuse Capacitywww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 12
    • Disruption Core MME / Serving GW MME / Serving GW RAN-Aware Video Internet Traffic Trans-codin Offloading Shaping g S1 S1 X2 eNodeB eNodeB Access WiFi eNodeB Small Cells TD-LTE Offloadingwww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 13
    • Network Mutation Macro Topology Hierarchical Cell Structure Courtesy AirHop Communications Coverage Era Capacity Era 1990 2010 “The need for 4G picocells and femtocells to enhance coverage and boost capacity in hotspots is one of the important principles for Verizons LTE Network” -- Verizon Wireless CTOwww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 14
    • Shrinkage! Macrocell Capacity Microcell / Picocell Greater Femto Femtocell Coveragewww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 15
    • LTE Femtocell Reference Design  World’s 1st LTE Femto Reference Design  Trillium LTE Femtocell Software • 3GPP March 2009 • LTE Uu • FDD & TDD both supported • S1 & X2 Network interfaces  picoChip PC7608 • Software defined LTE PHY • 2 x 2 MIMO operation 16 LTE Customer Wins!www.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 16
    • Beachhead Opportunity 3G LTE Act Now! Wait… LTE = Femto’s Biggest Opportunitywww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 17
    • DPI = Control Video Conference Platinum Operator VoIP Gaming Bronze Video on Demand Gold Email Business Class VPN Silver Browsing P2P App- Maximum Tiered based Network SLAs QoS Monetizationwww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 18
    • Striking Balance – How Neutral? Freedom of Choice Fair-use Balancing Maintaining Supply Network vs. Profitability Demand Transparent Traffic $ Management Policywww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 19
    • DPI Platform Evolution 2012 2011 400 Gbps 320 Gbps 40G Switching XE100 Compute – Sandy Bridge Today 40G Switching XE80 Compute - Westmere PP80 Packet Processing 160 Gbps PP80 Packet Processing 10G Switching XE80 Compute - Westmere 15 DPI Customer Wins! PP50 Packet Processingwww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 20
    • How? How?www.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 21
    • Spectrum  The Spectrum Challenge • 700 MHz 2.6 GHz • 2.6 GHz 2.6 GHz • Digital Dividend • 900 / 1800 MHz re-farming 2.6 GHz  Frequency Impacts Network Costs • Increases with frequency Cell radius ~ 30 – 300m  TD-LTE = Opportunity 700 MHz • FDD for Macros • TDD for Femtos  Multi-Band Deployment • 2.6GHz for Femtos • 700MHz for Macros Cell radius ~ 1 – 3kmwww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 22
    • EPC Scaling Problem E-UTRAN Architecture MME / Serving GW MME / Serving GW HeNodeB HeNodeB HeNodeB S1 S1 X2 eNodeB eNodeB HeNodeB HeNodeB HeNodeB HeNodeB HeNodeB HeNodeB eNodeB 15 DPI Customer Wins!www.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 23
    • Scaling EPC 64K Associations! 1M+ SCTP Packets / sec!! Fast Path SCTP PP50 + Death by 1,000 pizza boxeswww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 24
    • Not All Cells Are Loaded Equally! Top 5% utilized Average cell cells heavy on HTTP P2P Streaming grew to 27% Source: Allot Mobile Trends, Global Mobile Broadband Traffic, H2/2009www.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 25
    • Adaptive Traffic Shaping Dense Urban RAN-Aware Traffic Shaping #1 Radio - Congestion Aware Access - Femto Aware Network - Dynamic Network Policy (RAN) Signaling Information Suburban RNC #2 ATS SGSN GGSN Platform Femto Gateway Residential Femtocell #3www.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 26
    • Framework RAN Tiered SLA Congestion Aware Aware Application Femto Aware Aware Policy Enforcement Point DPI Key to Real-Time, Line-Rate, Multi-Aware Policy Enforcementwww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 27
    • Internet Offload Network Architecture Offloaded data traffic to PDN CGF CRF OCS Internet Gi Ga Gx Gy Iub Iu Iu Gi Node B IOG RNC SGSN GGSN Legend Signaling Non-offloaded data traffic Offloaded data traffic Offloading • Bump-in-wire device • Minimize traffic to CN • DPI application / protocol • Reduce CN OPEX / CAPEXwww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 28
    • IOG Anatomy Control Plane Software Application XLR # 1 SGSN IuPS Charging Stack Monitoring Stack Gi Internet IuPS Data Plane Software XLR # 0 Application RNC Offload Decision Block DPI PP50 COP50 RTM Classification IP ~ 10 Gbps Line Fail-to- Rate wirewww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 29
    • Traffic Shaping in Mobile Networks PCRF Internet Iub Iu Gi Node B Traffic RNC SGSN GGSN Shaper Legend Signaling Non-offloaded data traffic Offloaded data traffic Policy Enforcement • Bump-in-wire device • Time of day • DPI Application / protocol • User Prioritywww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 30
    • Shaping & Offloading DO NOT Mix Offloaded data traffic to PDN PCRF CGF CRF OCS Internet Gi Ga Gx Gy Iub Iu Iu Gi Node B IOG Traffic RNC SGSN GGSN Shaper Legend Signaling Non-offloaded data traffic Offloaded data traffic Offloading Breaks Shaping! Shaper & Offloader Must be Co-Located!www.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 31
    • Summary  LTE alone will not solve capacity crunch • Linear solution for an exponential problem • Femtocells = Exponential Solution • Spectrum Efficiency + Spectrum Reuse  Small cells creating ‘EPC Scaling’ problem Bridging the • MME must scale to handle millions of DPI – Wireless femtos Divide  Still spectrum limited • Traffic Management Essential • Congestion, Femto, SLA, Application 16 LTE Aware & 15 DPI • DPI holds the key Design Wins!  Offloading & Shaping don’t mix!www.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 32
    • Questions & Comments Manish Singh Vice President, Product Line Management www.ccpu.comwww.ccpu.com Confidential & Proprietary • Copyright © Continuous Computing. All Rights Reserved. 33