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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
       Voice
Cable              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         Operation
Voice
                                      Services
 Data   HG            POP
Video                                Transition
                     External
                                      Connectivity
                     Networks
Presentation                          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
                                                                     SLA
Convergence      Protect investment
                                                                     Volume
                 Control
Case Study: VoIP over Cable

                          HDT         SONET      5ESS        PSTN
NIU
             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 SOLUTION

PSTN
        5ESS
               SONET              PH

                       IPDT                   HFC
                              Router
               Local IP                CMTS
               Network


Internet
                                                    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      SG



Intelligent 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

                                                           PSTN
Specifications                                   V
                                         MSO A
Released 12/7/99        CMS
                                          Zone



Compliance
                                                                          Gateway
Testing 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 Mgmt
Specifications                                  MSO A
                                                 Zone

Released 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 functions




Intelligent Edge         Function re-     Intelligent CPE
 Define policy           location          Feature rich
 Connectivity           Value dilution    ETE control




                     Network stickiness
                     Service platform
FOOD FOR THOUGHT




    Protect Investment

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VoIP Over Cable Networks

  • 1. SOME THOUGHTS… Xiaolin Lu Softswitch 2001
  • 2. What is this? A presentation on Softswitch 2001  Introduction of the VoIP over cable evolution – from semi to full + thoughts on issues beyond technology
  • 3. THOUGHTS  Reality  Evolving
  • 4. Drivers  Cost Reduction  External:Capacity cost (regulation and tariffs)  Internal: common platform  Value Liberating  Open platform  Create stickiness
  • 5. MOTIVATIONS Voice Cable 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
  • 6. DEMARCATION POINTS A&R Classifying Internal  Routing A&R A&R Networks  Operation Voice  Services Data HG POP Video Transition External  Connectivity Networks Presentation  Conversion
  • 8. 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  SLA Convergence  Protect investment  Volume  Control
  • 9. Case Study: VoIP over Cable HDT SONET 5ESS PSTN NIU 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
  • 10. AN INTERIM SOLUTION PSTN 5ESS SONET PH IPDT HFC Router Local IP CMTS Network Internet BTI  Integrated voice and data over HFC network  Utilize 5ESS platform for voice interconnect & features
  • 11. MULTI- MULTI-SERVICE PLATFORM NIU ISP1 HDT RGW ASP2 CM HFC CMTS MTA CMS Managed MG PSTN IP Network SG Intelligent Edge Pipeline GW & Backoffice Classify – Policy Policy-based Policy- Common platform QoS bridging routing Not just emulation  Open platform for value creation
  • 12. PacketCable 1.0 – Interoperability Gateway PSTN Specifications V MSO A Released 12/7/99 CMS Zone Compliance Gateway Testing Begun PSTN Gateway V PSTN MSO C Zone V CMS MSO B Zone CMS
  • 13. PacketCable 1.1 - Primary Line Gateway Powering PSTN SNMP V V Power Mgmt Specifications MSO A Zone Released 11/28/00 CMS Availability Gateway PSTN Gateway SNMP V V PSTN MSO C Zone SNMP V CMS V MSO B Zone CMS
  • 14. 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
  • 15. EVOLVING Current Softswitch  Define connections  Emulate functions Intelligent Edge  Function re- Intelligent CPE  Define policy location  Feature rich  Connectivity  Value dilution  ETE control  Network stickiness  Service platform
  • 16. FOOD FOR THOUGHT Protect Investment