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Introduction and Agenda

APPA Community Broadband Conference ISP Network Challenges Peer-to-Peer Controls Mark Bailey, Channel Manager. Introduction and Agenda. Introduction Managing Capacity Prioritizing Applications New Services. Reduce OPEX & CAPEX Increase Profitability. $. Extend Service Portfolio

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Introduction and Agenda

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  1. APPA Community Broadband ConferenceISP Network ChallengesPeer-to-Peer ControlsMark Bailey, Channel Manager

  2. Introduction and Agenda • Introduction • Managing Capacity • Prioritizing Applications • New Services

  3. Reduce OPEX & CAPEX • Increase Profitability $ • Extend Service Portfolio • Create New Service Plans Extend • Prioritize Applications • Standards Based Dynamic QoS Prioritize Introduction: IP Service Management • Visibility and Reporting • Bandwidth Management • Intrusion Mitigation Manage

  4. Managing Capacity

  5. Web Browsing IM Peer-to-Peer Peer-to-Peer Dominates Traffic Usage by Application

  6. Web Browsing IM Peer-to-Peer Peer-to-Peer is used by a minority Number of Active Subscribers by Application

  7. App- lication Active Users % of Band- width P2P 24% 92% IM 56% 1% HTTP 65% 7% The 80/20 Rule: Unfair Distribution of Resources

  8. Bandwidth Management • Reclaim capacity for critical applications (eg, VoIP) • Create capacity for additional subscribers • Improve customer experience for interactive applications

  9. Kbps Time (10 minute interval samples) Bandwidth Management Improves Non-P2P Application Throughput With P2P Bandwidth Management ON, Average Throughput Increases With P2P Bandwidth Management OFF, Average Throughput Decreases FTP Average Throughput Upstream

  10. Ellacoya Cost Savings ROI Components Reduced Circuit Costs Reduced Plant Costs Reduced RAN Costs Reduced Cust. Service Costs

  11. Before Ellacoya: 700 Mbps After Ellacoya: 450 Mbps Circuit Costs • Management of P2P traffic has a substantial impact on backbone bandwidth • Reduce upstream utilization by up to 50% without generating a single subscriber complaint • Defer expensive circuit upgrades

  12. Before Ellacoya: 8 Mbps After Ellacoya: 5 Mbps Plant Costs • Congestion can be as expensive as circuit congestion • Aggregate P2P management cannot solve this problem • Per-IP management of upstream P2P reduces congestion • Defer and reduce plant upgrade expenses including: • Splitting / de-combining nodes • Adding DWDM

  13. RAN Costs • Congestion causes increased CPU utilization on routers • Capacity Management addresses congestion in RAN • Defer and Reduce expenses including: • Router CPU, Memory upgrades • Line cards • Forklift router upgrades Before Ellacoya: 75% CPU After Ellacoya: 64% CPU

  14. With Ellacoya: 500 Kbps Without Ellacoya: < 250 Kbps KBPs Time (10 minute interval samples) Customer Support Costs • Congestion impacts subscribers’ experience • Increases in Customer Support call costs • Increased churn • Ellacoya management has a dramatic effect on volume of complaints about slow web browsing • Reduce OPEX, reduce churn, increase subscriber satisfaction

  15. Router Intrusion Mitigation Aggregation Switch Ellacoya Switch CMTS Internet Subscriber Mirror Port Changes subscriber’s Policies in the network Network Sensor • Looks for • Worm behavior • Form submission • Reports events toManagement Console Configures Quarantine Offer to use when informed of infected PC SourceFire Management Console Ellacoya Plug-In, Network Intrusion Manager, filtersevents; Signals Switch to modify subscriber’s Offer Ellacoya Service Logic Engine Network Operations Center

  16. Prioritizing Applications

  17. Dynamic Rate Limits Allows subscribers to burst their traffic when the network is uncongested • No rate limits when network traffic is light: Total traffic on GE link less than threshold P2P Rate limit (e.g.) 20Mbps is not Enforced ( e.g.) 300Mbps threshold Other Traffic P2P • Enforce Rate Limits when network gets congested: Total traffic on GE link greater than threshold Total Upstream P2P RATE LIMITED to (e.g.) 20Mbps Other Traffic ( e.g.) 300Mbps threshold P2P

  18. Offer-Level Rate Limits • Individual Subscriber Application • Rate limit applied to the subscriber’s TOTAL traffic • Similar to global limit on DSL modem or cable modem • Can prioritize traffic within the overall rate • Can exclude certain traffic types from the restriction Standard Rate Limits (rate limit per application) HTTP P2P Video NNTP Game IM VoIP 512 kbps 512 kbps 384 kbps 256 kbps 384 kbps 128 kbps 256 kbps Total Traffic 2.4Mbps Total Traffic Limit (e.g. 2Mpbs)

  19. New Services

  20. CM (4) DOCSIS Service Flow Messaging PacketCable Multimedia (PCMM) • Industry standard for policy-based application QoS • Introduces application manager and policy server components • Requires application and subscriber awareness Application Policy Server Manager (1) Service Request (2) Policy Request HFC HFC IP IP Application Server PC CMTS CM CMTS Application Activity Content Provider (3) Policy Set Note: Recordkeeping Server omitted from diagram

  21. Classic PCMM Model • One AM to integrate per content/application source • Security/authentication/encryption • Application manager is usually server hosted • Subscriber authentication under ASP control • Does not work with peer to peer applications, for example: • Gaming consoles • PC games • Some forms of VoIP • Video conferencing • Home surveillance • … and many more

  22. Distributed Application Manager • Ellacoya Multimedia Service Manager (MSM) • Distributed deep packet inspection AM • In each switch, with the capability to recognize all applications • Leverages subscriber and application awareness • Activates QoS for subs part of specific service tiers • MSO benefits of MSM • No need to integrate third party AMs into the PCMM network • Puts AM function under MSO’s control • MSO owns direct subscriber relationship • Works with all applications: server-based and peer to peer

  23. CMTS Automating PCMM for any Application RKS Usage Records Subscriber Details PS QoS Policy Request OSS SIP-based Phone MSM Policy Set Ellacoya Software MTA DOCSIS Service Flow Messaging Ellacoya Switch Internet Modem Application Server Subscriber uses application Content Provider Or Peer Node Application Activity • Multimedia Service Manager (MSM) on switch functions as distributed Application Manager by using “signature detection” for any application, signals to Policy Server • Policy Server signals to CMTS • Applications get PCMM QoS without Application Manager development

  24. Benefits of Distributed PCMM Solution • Allows Operators to increase revenue immediately • Simplifies the roll-out of PCMM-based applications • Removes the need for cable-specific AMs for each application • Works with any application • Puts authentication and authorization back in the Operator’s hands • No third party AM integration required • Entire PCMM infrastructure is owned and operated by the Operator • Helps MSO further build direct relationship with the subscribers • Based on proven \ technology • Deployed in cable networks worldwide since 2002

  25. Reduce OPEX & CAPEX • Increase Profitability $ • Extend Service Portfolio • Create New Service Plans Extend • Prioritize Applications • Standards Based Dynamic QoS Prioritize Conclusion: IP Service Management • Visibility and Reporting • Bandwidth Management • Intrusion Mitigation Manage

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