File D:\PAO\Material\FY92\ ppt P. 1 Voice/Video/VPN Services in a Converged Internet/Telecom Environment 報告人：林宗葆 工研院電通所 中華民國九十二年七月二十二日

File D:\PAO\Material\FY92\ ppt P. 2 Network Technology Outlook Voice/Video/VPN Evolution Trend ITRI V 3 oIP Test Bed Conclusion Outline

File D:\PAO\Material\FY92\ ppt P. 3 技術分類層次技術分類層次 Multicast Streaming Video Heterogeneous Networked Video DWDM Sonet/SDH NG Sonet/SDH ATM Multi-Gb Ethernet Cable 56 K Modem FTTC/ B FTTH xDSL HDSL SHDSLADSL WDM- based EFM Unicast Video Broadcast Video Year~ ~ Access VDSL FTTD FITB Ultra-high Speed Access Quality of Service Interactive Video Service Universal Access FITL Service/Applications IP-based Storage Area Network VoIP IN Softswitch OSA/OMA VHE ITS Location Service GSM GPRS 3GPP 99 3GPP R4/R5 Heterogeneous Inter-Networking (WLAN/GPRS/3G) Metro/ Transport FDD TDD OFDM/OFDMA 3D Passive Component/ Module OFDM-CDMA Ultra Wideband Digital Adaptive Pre-distorted LPA Adaptive Component/Module TDMA Network Technology Outlook

File D:\PAO\Material\FY92\ ppt P. 4 IN/SCP PSTN Local Switch PSTN Local Switch STP SS7/PSTN Network IP Network RTP Streams MGCMGC TrunkGateway TrunkGateway SIP SGSG SIGTRAN Megaco IP Phone IP-PBX PC Phone Personalized VoIP Service System Billing/Internet Messaging Authentication/Directory/... softswitch IP-PSTN Converged Network

File D:\PAO\Material\FY92\ ppt P. 5 H.320 ISDN IP - H.323 ATM H.321 Gateway SIP Room VC System STB VC/Video Phone H.324 POTS (PSTN) Current Videoconferencing Solutions

File D:\PAO\Material\FY92\ ppt P. 6 PSTN Network Softswitch Wireless LAN SIP Proxy SIP Soft-Phone Video/Web Conferencing Server 3GPP CSCF WLAN Call Agent Wireless Network ALL IP Network SS7 E1 Trunk IP A/V Phone CSCF: call session control function ((MCU) Wireless Access Circuit Switched IP Access => All IP Core Network Emerging Videoconferencing Solutions

File D:\PAO\Material\FY92\ ppt P. 7 Internet Tele-Worker Partner Moving Workers Headquarter PSTN Branch Office IP based VPN PSTN based VPN IP-Based VPN  More secured  Quality guaranteed  Ubiquitous  Economics  Dynamic Provisioning IP-based Virtual Private Network

File D:\PAO\Material\FY92\ ppt P. 8 Broadband IP-VPN Infrastructure Distance Learning On-Line Shopping Movie on Demand Video conference Video Phone Multi-Service IP-VPN is Coming

File D:\PAO\Material\FY92\ ppt P. 9 3C Solution - Converged, Convenient, Cost-Effective Total Solution for the Future - V 3 oIP Video, Voice, VPN over IP

File D:\PAO\Material\FY92\ ppt P. 10 PBX Closed, Proprietary, Inflexible, Monolithic Legacy/Proprietary Telephony Proprietary Applications Embedded Call Control TDM Circuit Switching Proprietary Interface/Protocols Proprietary Telephones Open Telephony & Video Telephony Open Applications Standards-Based Call Control Standards-Based IP Packet Infrastructure Open/Standard Transport Protocols (Ethernet, DSL,,…) Open/Standard Telephones Open/Standard Call Control Protocols (SIP, H.323, MGCP,...) Open/Standard Application Interfaces (TAPI, XML, JAIN, Parlay, …) Open, Standard, Flexible, Distributed Data/Internet Voice Video Wireless Single Infrastructure IP Based Multi-service Network Closed Architecture Before Convergence TomorrowToday Open Architecture After Convergence Embedded Applications Embedded Call Control Embedded Circuit Switching Closed Proprietary Inflexible Centralized Features Signaling Fabric ITRI’s Network Convergence ： V 3 oIP

File D:\PAO\Material\FY92\ ppt P. 11 CCL IP-PBX ITRI - Hsinchu HQ ITRI-Tainan/Taipei PSTN Audio/Web Conferencing Slide Sharing Unified Messaging Video Conferencing Rolm PBX Softphone IP Phone T3 Video Phone SIP PBX - Tainan Digital i/f Application Server VPN, VoiceNAT, QoS Internet ITRI’s V 3 oIP Test Bed

File D:\PAO\Material\FY92\ ppt P. 12 Conclusion VPN, QoS, MPLS, VoIP…all the new technologies push digital content converged to IP network Twenty-year Ethernet and IP developing experience makes Taiwan an important player in the emerging IP era There will be lots of new telecom product, like Metro Ethernet, EFM, EoDSL, IP-PBX etc, it’s the right time for the telecom and datacom venders to join together for conquering the brand new market