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APPA Community Broadband Conference ISP Network Challenges Peer-to-Peer Controls Mark Bailey, Channel Manager www.ellacoya.com Introduction and Agenda Introduction Managing Capacity Prioritizing Applications New Services 2 www.ellacoya.com Introduction: IP Service Management $ Extend Prioritize Reduce OPEX & CAPEX Increase Profitability Extend Service Portfolio Create New Service Plans Prioritize Applications Standards Based Dynamic QoS Visibility and Reporting Bandwidth Management Intrusion Mitigation Manage 3 www.ellacoya.com Managing Capacity www.ellacoya.com Peer-to-Peer Dominates Traffic Usage by Application Web Browsing 5 IM www.ellacoya.com Peer-to-Peer Peer-to-Peer is used by a minority Number of Active Subscribers by Application Web Browsing 6 IM www.ellacoya.com Peer-to-Peer The 80/20 Rule: Unfair Distribution of Resources 7 www.ellacoya.com Application Active Users % of Bandwidth P2P 24% 92% IM 56% 1% HTTP 65% 7% Bandwidth Management Reclaim capacity for critical applications (eg, VoIP) Create capacity for additional subscribers Improve customer experience for interactive applications 8 www.ellacoya.com Bandwidth Management Improves Non-P2P Application Throughput With P2P Bandwidth Management ON, Average Throughput Increases Kbps With P2P Bandwidth Management OFF, Average Throughput Decreases FTP Average Throughput Upstream 9 Time (10 minute interval samples) www.ellacoya.com Ellacoya Cost Savings ROI Components Reduced Circuit Costs Reduced Plant Costs Reduced RAN Costs Reduced Cust. Service Costs 10 www.ellacoya.com Circuit Costs Before Ellacoya: 700 Mbps After Ellacoya: 450 Mbps 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 11 www.ellacoya.com Plant Costs Before Ellacoya: 8 Mbps After Ellacoya: 5 Mbps 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 12 www.ellacoya.com RAN Costs Before Ellacoya: 75% CPU After Ellacoya: 64% CPU 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 13 www.ellacoya.com Customer Support Costs With Ellacoya: 500 Kbps KBPs Without Ellacoya: < 250 Kbps Time (10 minute interval samples) 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 14 www.ellacoya.com Intrusion Mitigation CMTS Aggregation Switch Ellacoya Switch Internet Router Subscriber Network Sensor Mirror Port Changes subscriber’s Policies in the network Looks for • Worm behavior • Form submission Reports events to Management Console SourceFire Management Console Ellacoya Plug-In, Network Intrusion Manager, filters events; Signals Switch to modify subscriber’s Offer 15 www.ellacoya.com Configures Quarantine Offer to use when informed of infected PC Ellacoya Service Logic Engine Network Operations Center Prioritizing Applications www.ellacoya.com 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 ( e.g.) 300Mbps threshold Enforced 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.) 300Mbps threshold (e.g.) 20Mbps Other Traffic P2P 17 www.ellacoya.com Offer-Level Rate Limits Standard Rate Limits (rate limit per application) Total Traffic Limit (e.g. 2Mpbs) HTTP P2P Video NNTP Game IM VoIP Individual Subscriber Application 18 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 www.ellacoya.com 512 kbps 512 kbps 384 kbps 256 kbps 384 kbps 128 kbps 256 kbps Total Traffic 2.4Mbps New Services www.ellacoya.com PacketCable Multimedia (PCMM) (1) Service Request Application Manager Policy Server (2) Policy Request PC Application Activity CM CM HFC (4) DOCSIS Service Flow Messaging IP CMTS CMTS (3) Policy Set Application Server Content Provider Industry standard for policy-based application QoS Introduces application manager and policy server components Requires application and subscriber awareness Note: Recordkeeping Server omitted from diagram 20 www.ellacoya.com 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: 21 Gaming consoles PC games Some forms of VoIP Video conferencing Home surveillance … and many more www.ellacoya.com 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 22 www.ellacoya.com Automating PCMM for any Application Usage Records RKS PS SIP-based Phone Policy Set QoS Policy Request OSS MSM MTA DOCSIS Service Flow Messaging Modem CMTS Subscriber Details Ellacoya Switch Subscriber uses application Ellacoya Software Internet Application Server 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 23 www.ellacoya.com 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 24 www.ellacoya.com Conclusion: IP Service Management $ Extend Prioritize Reduce OPEX & CAPEX Increase Profitability Extend Service Portfolio Create New Service Plans Prioritize Applications Standards Based Dynamic QoS Visibility and Reporting Bandwidth Management Intrusion Mitigation Manage 25 www.ellacoya.com