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VoIP Over Cable Networks

VoIP Over Cable Networks



Invited speech on SoftSwitch 2001 on providing VoIP over cable networks.

Invited speech on SoftSwitch 2001 on providing VoIP over cable networks.



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    VoIP Over Cable Networks VoIP Over Cable Networks Presentation Transcript

    • SOME THOUGHTS… Xiaolin Lu Softswitch 2001
    • What is this?A presentation on Softswitch 2001 Introduction of the VoIP over cable evolution – from semi to full + thoughts on issues beyond technology
    • THOUGHTS Reality Evolving
    • Drivers Cost Reduction  External:Capacity cost (regulation and tariffs)  Internal: common platform Value Liberating  Open platform  Create stickiness
    • MOTIVATIONS VoiceCable DOCSIS CMTS SLA Others’ 2nd line GW LEC 5E SLA Others’ Voice IXC Others’ GW Backbone  Internal cost saving  Commodatize others  Create stickiness  Control the demarcation points
    • DEMARCATION POINTS A&R Classifying Internal  Routing A&R A&R Networks  OperationVoice  Services Data HG POPVideo Transition External  Connectivity NetworksPresentation  Conversion
    • CONSTRAINTS Compatibility
    • Case Study: Convergence Over Cable Services CPE HE Metro Backoffice Interconnect Voice NIU HDT SONET Proprietary Circuit IP Data CM CMTS IP Standard volume Video STB Proprietary Proprietary Proprietary N/A  Common platform  SLAConvergence  Protect investment  Volume  Control
    • Case Study: VoIP over Cable HDT SONET 5ESS PSTNNIU HFC CMTS Local IP CM Router Internet Cost saving in access  Intelligent IP metro networks  Classify -- Policy  Accommodate legacy  Coexist NIU/HDT, CM/CMTS  Existing 5E
    • AN INTERIM SOLUTIONPSTN 5ESS SONET PH IPDT HFC Router Local IP CMTS NetworkInternet BTI  Integrated voice and data over HFC network  Utilize 5ESS platform for voice interconnect & features
    • MULTI- MULTI-SERVICE PLATFORM NIU ISP1 HDT RGW ASP2 CM HFC CMTS MTA CMS Managed MG PSTN IP Network SGIntelligent Edge Pipeline GW & BackofficeClassify – Policy Policy-based Policy- Common platformQoS bridging routing Not just emulation  Open platform for value creation
    • PacketCable 1.0 – Interoperability Gateway PSTNSpecifications V MSO AReleased 12/7/99 CMS ZoneCompliance GatewayTesting Begun PSTN Gateway V PSTN MSO C Zone V CMS MSO B Zone CMS
    • PacketCable 1.1 - Primary Line Gateway Powering PSTN SNMP V V Power MgmtSpecifications MSO A ZoneReleased 11/28/00 CMS Availability Gateway PSTN Gateway SNMP V V PSTN MSO C Zone SNMP V CMS V MSO B Zone CMS
    • PacketCable 1.2 - Interconnect Gateways Border PSTN CMS V MSO A Border MSO B Zone CMS Zone Managed IP Backbone Border Gateways CMS PSTN Gateways V PSTN MSO A MSO C V Zone Zone Local Zones Administrative Domains Specs Released 12/29/00
    • EVOLVING Current Softswitch  Define connections  Emulate functionsIntelligent Edge  Function re- Intelligent CPE Define policy location  Feature rich Connectivity  Value dilution  ETE control  Network stickiness  Service platform
    • FOOD FOR THOUGHT Protect Investment