1. Dr. Kalyani Bogineni “The Operator Perspective” June 27, 2005 Evolving to Future Wireless Telecommunications Technology Seoul, South Korea

2. Verizon Wireless - Proprietary Overview Network Architecture End-to-End Features –Micro/macro-mobility –Quality of Service –Security MMD Services Infrastructure –Device/Network Intelligence –Home Network Control/Visited Network Control –Centralized/Distributed Functions

3. Verizon Wireless - Proprietary Hybrid Network Architecture Hybrid world – Circuit Switched and Packet Circuit Switched Network Elements: BTS, BSC, MSC, HLR Packet Switched Network Elements: BTS, RNC, PDSN/FA, HA, AAA, Services Databases, Services Controllers, IP Transport Network Elements Circuit Switched Packet BREW Service Database Services Controller PDSN Internet 1xRTT IP BSCMSC/VLR PSTN HLR Database cdma95 RNC EVDO AAA Home Agent

4. Verizon Wireless - Proprietary Mobility Management Circuit Switched Network –Micro-mobility (Airlink Layer): BTS/BSC –Macro-mobility (Application Layer): MSC/HLR All-IP Network –Multiple levels of mobility –Layer 2 (Airlink, PPP): BTS, RNC, PDSN –Layer 3 (IP): FA, HA –Application Layer: P-CSCF, S-CSCF, I-CSCF, HSS All-IP Architecture needs to Simplify Mobility Management

5. Verizon Wireless - Proprietary End-to-End QoS Service Database BREW Services Controller RNC EVDO PDSN IP AAA Internet 1xRTT BSCMSC/VLR PSTN HLR Database cdma95 Home Agent Air Interface QoS RAN QoS Core IP Transport QoS End-to-End QoS Mapping End-to-End Multi-Layer and Multi-Domain Network QoS Mapping Needs to be Included

6. Verizon Wireless - Proprietary Security Access Terminal Security Network Management Security Operations Support Systems Security End-to-End Multi-Layer and Multi-Domain Network Security Considerations Need to be Included Service Database BREW Services Controller RNC EVDO PDSN IP AAA Internet 1xRTT BSCMSC/VLR PSTN HLR Database cdma95 Home Agent Air Interface Security RAN Security Services Security IP Network Security Inter-Domain Security

7. Verizon Wireless - Proprietary SCIM HA AGW/FA/BCP OSA AS SIP AS OSA SCS Position Server PDE Separation of Control, Bearer and Database Functions Unified Control of all Services Unified Subscriber Database New Call Control Model - New Protocols MRFCMRFP SGW MGCFMGWBGCF IMS PDS S-CSCF P-CSCF I-CSCF MMD Functional Architecture AAA HSS PDF

8. Verizon Wireless - Proprietary Services Infrastructure Additional Functionality –Feature interaction on network & device –Bearer Functionalities –Enhancements to IP Mobility –Use of Optimized Protocols –Hybrid Network Control 30+ functions/50+ interfaces and still increasing End-to-End Consolidation of Functions –Multi-layer information like authentication, location information, etc

9. Verizon Wireless - Proprietary Summary Simplify Architecture to Support End-to-End Mobility Management, QoS, Security Enhance MMD Scope to Address –Additional Functionalities –Network & Device Intelligence –Hybrid Network Control 3GPP2 Needs Charter to Address Above