and

1. and Presents Spring Forum 2002

2. Service Providers& Network Strategies Andrew W. Davis Wainhouse Research, LLC.

3. Types of Service Providers • CSP: provides bridging and gateway services • NSP: provides network bandwidth • ISP: provides Internet access • ASP: provides access to Internet-based applications • VAR: value added reseller, integrator, consultant IMTC / Wainhouse Research Spring Forum – May 2002 – Geneva, Switzerland

4. Service Provider Transition VAR End-to-End Service Provider NSP CSP IP is changing everything IMTC / Wainhouse Research Spring Forum – May 2002 – Geneva, Switzerland

5. IP Network Service Strategies • Facilities Based: (Qwest, Level3, Global Crossing, ATT, WorldCom, Sprint) own their own networks. • Private-line-leasing (Wire One, SAVVIS, Masergy, V-SPAN, PSInet, IVCi) lease but do not own private lines. • Use public Internet: (Virtela, Internap) provide customers with encryption; create VPN with tunneling IMTC / Wainhouse Research Spring Forum – May 2002 – Geneva, Switzerland

6. Separate IP network for video Avoids congestion for data Limits QoS concerns for voice and video Avoids internal politics One network does it all Maximizes efficiency One network to deploy, manage, maintain Overlay vs. Converged Networks Converged Overlay IMTC / Wainhouse Research Spring Forum – May 2002 – Geneva, Switzerland

7. Switched Circuit Network POTS ISDN Internet Overlay Networks Remote Site Corp Headquarters Overlay Network Gatekeeper Gatekeeper MCU PSTN/H.320 Gateway Video Network Video Network Data Network Data Network Remote Client Web Browser Data Applications Web Server Server Farm Corporate WAN IMTC / Wainhouse Research Spring Forum – May 2002 – Geneva, Switzerland

8. Overlay NetworksPublic Multi-Backbone Model Source: Internap IMTC / Wainhouse Research Spring Forum – May 2002 – Geneva, Switzerland

9. Multiple Class of ServiceOverlay Network Intelligent IP Services Intelligent IP Services Broadband Access Broadband Access ATM or MPLS Backbone • Anti Spoofing • DiffServ Marking • Policing • Firewall • VPN Steering • Traffic Shaping • NAT • Policy Steering • Captive Portal • Anti Spoofing • DiffServ Marking • Policing • Firewall • VPN Steering • Traffic Shaping • NAT • Policy Steering • Captive Portal Class 1 - Real Time Market Data Class 2 - Voice & Video (IntelliNet) ATM/MPLS ATM/MPLS Class 3 - File Transfer Class 4 - Email & Internet Examples: ATM based = IntelliNet MPLS based = Masergy IMTC / Wainhouse Research Spring Forum – May 2002 – Geneva, Switzerland

10. Service ProviderConferencing Services • Video Conferencing • Multipoint audio and video conferencing • Gateways to ISDN and PSTN • Certification • Billing and reporting • Web conferencing • Streaming • Event management • Full and Self-Service • Operator assisted (scheduled) and Ad-Hoc (on-demand) • Web & phone interfaces IMTC / Wainhouse Research Spring Forum – May 2002 – Geneva, Switzerland

11. Managed Network Services • Managing all equipment on the network to guarantee QoS • Providing technical troubleshooting of network related problems for customer service • Guaranteed network performance levels IMTC / Wainhouse Research Spring Forum – May 2002 – Geneva, Switzerland

12. Additional Service Offerings • Turn-key Solutions • Project Management • Network QoS design • Equipment selection and installation • Training services • Technical support • Acceptance testing • Call detail reporting • Room rentals IMTC / Wainhouse Research Spring Forum – May 2002 – Geneva, Switzerland

13. Network considerations Lease or own the pipelines Footprint Future growth Video only Internet access Migration to converged services Video functions Bridging Gateways Reservations Pricing variations Flat rate, per minute, per gigabyte Make calls, receive calls Include local loop Bundled video services IP Video Service Providers IMTC / Wainhouse Research Spring Forum – May 2002 – Geneva, Switzerland

14. ISDN Service Providers • Network providers • Major carriers (ATT, WorldCom, Sprint, PTT, etc.) • Per minute pricing • Conferencing providers • Carriers • Specialists IMTC / Wainhouse Research Spring Forum – May 2002 – Geneva, Switzerland

15. Invisible Elements Invisible Elements : : Quality of Service (QoS) u Bandwidth Requirements u Impact on Critical Business Applications u Required Investment for Network Improvements u Interoperability between ISDN and IP systems u Management and Administration u Security u User-level access to resources u The t-IP of the Iceberg IP Benefits: IP Benefits: Reduced Costs Reduced Costs 9 9 Access and Connectivity Access and Connectivity 9 9 Leveraged Resources Leveraged Resources 9 9 IMTC / Wainhouse Research Spring Forum – May 2002 – Geneva, Switzerland

16. Service Provider Summary • IP communications are sometimes more complex than initially anticipated • Many organizations are demanding and receiving global end-to-end solutions and service product offerings The service provider and integrator industry is on the critical path towards much wider scale IP video conferencing deployment! IMTC / Wainhouse Research Spring Forum – May 2002 – Geneva, Switzerland

17. The End Thank You Wainhouse Research, LLC Andrewwd@wainhouse.com IMTC / Wainhouse Research Spring Forum – May 2002 – Geneva, Switzerland