電信網(wǎng)絡(luò)技術(shù)的發(fā)展趨勢(shì)概述-wenkub
2023-03-22 06:46:46 本頁(yè)面
【正文】 IU Fixed Wireless Business Wireless Packet Circuit Gateway Firewall ... Inter PSTN SDH/Optical Core Network IP/ATM/SDH/Optical 3/1/2023 25 電信網(wǎng)絡(luò)技術(shù)的發(fā)展 RITT 趙慧玲 7R/E Architecture Any Vendor’ s Tandem or Long Distance Office Voice/Data/Video MultiService Packet Network SS7 Network STP ATM/IP Core Network AT IXC EO Feature Servers MultiMedia Resource Server OneLink OAMP Manager SCP Packet Gateways Any Vendor’ s End Office Packet Gateways Full Range of Narrow BroadBand Circuit Packet Access Full Range of Narrow BroadBand Circuit Packet Access 3/1/2023 26 電信網(wǎng)絡(luò)技術(shù)的發(fā)展 RITT 趙慧玲 ? How packet works can provide voice services that are petitive with circuit switched works 7R/E is... 7R/E MultiService Solution AT IXC EO Packet Gateways Any Vendor’ s End Office Packet Gateways Full Range of Narrow Broadband Circuit Packet Access Packet Network Feature Server OneLink OAMP Manager MultiMedia Resource Server Full Range of Narrow Broadband Circuit Packet Access 3/1/2023 27 電信網(wǎng)絡(luò)技術(shù)的發(fā)展 RITT 趙慧玲 7R/E is... 7R/E Packet Local Solution ? How other vendor’ s endoffice switches can use lower cost packet transport and provide new IP/ATM based features services Packet Network Circuit Network Trunk Access Gateway Line Access Gateway Feature Server OneLink OAMP Manager MultiMedia Resource Server 3/1/2023 28 電信網(wǎng)絡(luò)技術(shù)的發(fā)展 RITT 趙慧玲 Circuit Network 7R/E is... ? How tomorrow’ s tandems are built to virtually eliminate tandem congestion and exhaust 7R/E Packet Tandem Solution Packet Gateways Packet Gateways Feature Server(s) OneLink OAMP Manager) 3/1/2023 29 電信網(wǎng)絡(luò)技術(shù)的發(fā)展 RITT 趙慧玲 7R/E is... ? How the 5ESS is transformed into a 7R/E to achieve rapid feature creation and almost unlimited scaleability 7R/E Packet Driver (5ESS to 7R/E transformation) AM Line Units SM2023 SMP Trunk Units Packet Gateways OneLink OAMP Manager Hub/Bridge or Switch/Router Packet Gateways Packet Gateways Line Units SM2023 SMP Trunk Units Line Units 2023 SMP Trunk Units CM2 Feature Server(s MultiMedia Resource Server 3/1/2023 30 電信網(wǎng)絡(luò)技術(shù)的發(fā)展 RITT 趙慧玲 7R/E is... ? How circuit and packet works will offload dialup data traffic and offer remote access services 7R/E Dialup Data Solution (MultiServicesModule) Packet Networks (IP/FR/ATM) Public Inter ISP InterOffice Circuit Networks MSM MSM MSM MSM 3/1/2023 31 電信網(wǎng)絡(luò)技術(shù)的發(fā)展 RITT 趙慧玲 Core Data Network Today ? IP and nonIP traffic is carried over ATM/SDH core ? Connections between routers are at subOC3 rates ? ATM switches aggregate traffic ? Optical Line Systems are deployed l l IP/ATM ATM Switch ATM Switch ATM Switch ATM Switch Router Router Router NonIP Data Source NonIP Data Source IP Data Source IP Data Source SDH DCS/ADM SDH DCS/ADM SDH DCS/ADM Optical Line System NonIP Data Source 3/1/2023 32 電信網(wǎng)絡(luò)技術(shù)的發(fā)展 RITT 趙慧玲 Core Data Network Tomorrow While work grows, routers and switches are added Routers that are interconnected via OC3 pipes or higher can use IP/SDH interfaces. ATM traffic aggregation at the edges of the work will continue ATM switching and SDH XC integrated in one NE IP/SDH l ATM Switch l ATM Switch ATM Switch SDH DCS/ADM SDH DCS/ADM SDH DCS/ADM SDH DCS/ADM Router Router Router Router Router Router SDH DCS/ADM IP Data Source IP Data Source IP Data Source ATM Switch SDH DCS/ADM Router Router NonIP Data Source NonIP Data Source ATM Switch Router NonIP Data Source SDH DCS/ADM Optical Line System 3/1/2023 33 電信網(wǎng)絡(luò)技術(shù)的發(fā)展 RITT 趙慧玲 ? Routers that are interconnected via OC48 pipes or higher can use IP/WDM interfaces ? Routers perform the interworking function between IP/ATM, IP/SDH and IP/WDM Core Network Beyond l l IP/WDM l Router Router Router Router Router Router IP/SDH SDH DCS/ADM SDH DCS/ADM Router Router Router Router ATM Switch ATM Switch Router Router ATM Switch ATM Switch SDH DCS/ADM SDH DCS/ADM SDH DCS/ADM SDH DCS/ADM SDH DCS/ADM SDH DCS/ADM Router Router Router ATM Switch NonIP Data Source IP Data Source IP Data Source IP Data Source NonIP Data Source Optical XC/ADM Optical XC/ADM Optical Line System Optical Line System 3/1/2023 34 電信網(wǎng)絡(luò)技術(shù)的發(fā)展 RITT 趙慧玲 PSTN ATM PSTN ATM PSTN
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