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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\920722.ppt P. 1 Outline • • • • Network Technology Outlook Voice/Video/VPN Evolution Trend ITRI V3oIP Test Bed Conclusion File D:\PAO\Material\FY92\920722.ppt P. 2 技 術 分 類 層 次 Network Technology Outlook IP-based Storage Area Network Multicast Streaming Heterogeneous Video Networked Video Unicast Video Location Service OSA/OMA Broadcast Video ITS VHE Softswitch IN Multi-Gb Ethernet NG Sonet/SDH 3GPP R4/R5 DWDM VoIP Heterogeneous Inter-Networking (WLAN/GPRS/3G) ATM Sonet/SDH GSM 3GPP 99 GPRS TDD FDD Cable VDSL xDSL 56 K Modem • Ultra-high Speed Access • Quality of Service • Interactive Video Service • Universal Access HDSL TDMA File D:\PAO\Material\FY92\920722.ppt P. 3 OFDM-CDMA FTTH FITL WDMbased OFDM/OFDMA FTTC/ B EFM ADSL SHDSL 3D Passive Component/ Module ~ 2001 Ultra Wideband FTTD FITB Digital Adaptive Pre-distorted LPA 2008 ~ Year IP-PSTN Converged Network PSTN Local Switch IN/SCP SS7/PSTN Network STP PSTN Local Switch softswitch softswitch SG SG IP Network SIGTRAN MGC Megaco Trunk Gateway SIP MGC Trunk Gateway RTP Streams IP-PBX IP Phone PC Phone File D:\PAO\Material\FY92\920722.ppt P. 4 9000 IP Phone Billing/Internet Messaging Authentication/Directory/... Personalized VoIP Service System Current Videoconferencing Solutions Room VC System STB VC/Video Phone H.320 H.324 ISDN POTS (PSTN) IP - IP H.323 File D:\PAO\Material\FY92\920722.ppt P. 5 SIP Gateway ATM H.321 Emerging Videoconferencing Solutions • Wireless Access • Circuit Switched • IP Access •=> All IP Core Network ((MCU) Video/Web Conferencing Server Softswitch SS7 PSTN Network ALL IP Network SIP Proxy File D:\PAO\Material\FY92\920722.ppt P. 6 IP A/V Phone Wireless Network WLAN Call Agent E1 Trunk CSCF: call session control function 3GPP CSCF Wireless LAN SIP Soft-Phone IP-based Virtual Private Network IP-Based VPN Branch Office Headquarter More secured Quality guaranteed Ubiquitous Economics Dynamic Provisioning PSTN based VPN PSTN Branch Office IP based VPN Partner Internet Tele-Worker File D:\PAO\Material\FY92\920722.ppt P. 7 Moving Workers Multi-Service IP-VPN is Coming Distance Learning Video Phone Broadband IP-VPN Infrastructure Video conference File D:\PAO\Material\FY92\920722.ppt P. 8 On-Line Shopping Movie on Demand Total Solution for the Future - V3oIP Video , Voice, VPN over IP 3C Solution Converged, Convenient, Cost-Effective File D:\PAO\Material\FY92\920722.ppt P. 9 ITRI’s Network Convergence:V3oIP Closed Architecture Before Convergence Legacy/Proprietary Telephony •Embedded Applications Open Telephony & Video Telephony Open, Standard, Flexible, Distributed Open Applications PBX Open/Standard Application Interfaces (TAPI, XML, JAIN, Parlay, …) Closed, Proprietary, Inflexible, Monolithic •Embedded Call Control Proprietary Applications •Embedded Circuit Switching Standards-Based Call Control Open/Standard Call Control Protocols (SIP, H.323, MGCP , ...) Embedded Call Control TDM Circuit Switching •Closed •Proprietary Open Architecture After Convergence Proprietary Interface/Protocols Proprietary Telephones Standards-Based IP Packet Infrastructure Open/Standard Telephones Open/Standard Transport Protocols (Ethernet, DSL, ,…) •Inflexible •Centralized Data/Internet Voice Single Infrastructure Today Tomorrow Video Wireless File D:\PAO\Material\FY92\920722.ppt P. 10 IP Based Multi-service Network ITRI’s V3oIP Test Bed Application Server • Audio/Web Conferencing • Slide Sharing • Unified Messaging • Video Conferencing CCL IP-PBX Rolm PBX Digital i/f SIP Softphone SIP SIP ITRI - Hsinchu HQ PSTN VPN, VoiceNAT, QoS IP Phone T3 Internet Video Phone ITRI-Tainan/Taipei Digital i/f File D:\PAO\Material\FY92\920722.ppt P. 11 PBX - Tainan 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 File D:\PAO\Material\FY92\920722.ppt P. 12