中國(guó)電信cn2網(wǎng)絡(luò)介紹-wenkub.com
2025-04-30 18:42 本頁(yè)面
【正文】 需要配置延伸接入以太網(wǎng)交換機(jī)增加物理業(yè)務(wù)接入端口。 The SOLE responsibility of the Core Network is packet switching and forwarding 骨干網(wǎng)絡(luò)只負(fù)責(zé)數(shù)據(jù)轉(zhuǎn)發(fā)，中國(guó)電信內(nèi)部網(wǎng)絡(luò)網(wǎng)間互連通過(guò)骨干網(wǎng)絡(luò)，比如城域網(wǎng)互連、IDC等等 All services are Edge Functions IP/MPLS platform IPSecVPN ATM/FR接入 寬帶接入 SDH/DDN專線接入 Corporate Dial MPLS L3 VPN QOS邊緣 Integrated VPN PE P P PE PE PE PE P P P P P P PE PE PE PE PE PE PE PE MPLS L2 VPN AoMPLS Network Capacity and Coverage (by the end of 2022)： CN2 will provide coverage for 199 cities including Hong Kong, Tokyo, Singapore, London, New York, San Jose, Washington etc. with service offering MPLS/VPN and Inter Services. Cn2網(wǎng)絡(luò)覆蓋國(guó)內(nèi) 199個(gè)城市，和 香港、東京、新加坡、倫敦、法蘭克福、紐約、華盛頓、圣何塞、洛杉磯 9個(gè)海外節(jié)點(diǎn)，提供國(guó)際 VPN、 Inter接入和網(wǎng)間互連業(yè)務(wù) 653 routers in total， including 417 P routers， 202 PE/SR routers，12 Public RR， and 12 VPN RR 1267 relay links with a total link bandwidth of （網(wǎng)內(nèi)中繼電路） Over 800 external interlinkage bandwidth（網(wǎng)間互連電路） with （網(wǎng)絡(luò)間互連電路，主要是與城域網(wǎng)互連電路） A total customer access link bandwidth of (用戶業(yè)務(wù)接入電路 ) (不包括軟交換、 3G接入帶寬 ) Network Capacity and Coverage CN2 VPN capability Support MPLS layer 2/3VPN, RFC2547based L3 VPN Draftmartini based Ether point to point service Ether multi point service (Vkompella VPLS) ATM/FR over MPLS（請(qǐng)根據(jù)思科的技術(shù)，補(bǔ)充相關(guān)的標(biāo)準(zhǔn)） Support 3 classes of service. GOLD, SILVER and BRONZE. 支持金、銀、銅三個(gè)業(yè)務(wù)等級(jí) Support N*2M、 N*64K、 Ether/VLAN、 L2TPv3, pseudowired Support work wide multicats of 600 multicast groups, end to end multicast traffic VPN coverage（ by end 2022） 202 PE routers in 199 cities 2 X ISR in GuangZhou, Beijing and Shanghai. The ISR can be deployed as VPN InterAS ASBR. 18 PE routes in 9 POPs located in Hong Kong, Tokyp, Singapore, London, Frankfurt, New York, Washington, San Jose and Los Angeles. By Mid 2022, the number of PE is expected to increase from 202 to 418 to facilitate intraPOP layer redundancy. CN2 VPN capablity VPN work capacity CN2 uses Cisco 12416 as PE routers with a total traffic handling capacity of 140G (unilateral direction) 業(yè)務(wù)接入端口 /PE（ 2個(gè)檔次）： D檔次。 Different class service capability (Cont) QOS design philosophy CN2 adhere to DiffServ framework base on IP precedence and MPLS EXP Bit classification. Thus offering 8 ??? classes of service Initial CN2 service classification is base on 5 basic classes of services. 1 class for work control traffic 1 class for work maintenances and operations 3 classes for service offering All services are classified, remarked, shaped and rat
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