Internet in the continuous optimization, Longtong communication international green network is also constantly upgrading, the international green network is mainly for multinational companies. Longtong Communication and China Telecom, China Mobile, China Unicom is a resource partnership, we work together for the rapid development of enterprises to provide integrated network services solutions.
IPLC (International Private Leased Circuit) is the "international green", refers to the telecom operators to provide business or institutional users dedicated across the country or region end-to-end communication lines. China Telecom IPLC products rely on China Telecom to cover the global transport network (SDH / MSTP / WDM transport network), for transnational or cross-regional customers with strict bandwidth guarantee, customer bandwidth exclusive, transparent end-to-end international green business.
Take Shanghai as an example to achieve topology:
1) standard unified: SDH has a unified global standard system, the use of international common STM-1, STM-4, STM-16 and other standard interfaces, allowing different manufacturers of equipment in the optical path, digital signals in cross-regional cross- No need to convert to another standard;
2) Transparent circuit: Based on the transparent transmission of the physical layer, to provide customers with end-to-end full transparent high-speed digital signal transmission services, carrying voice, video, IP, ATM and other services, customers can choose according to business needs network equipment And agreement
3) Rate diversity: The communication rate can be arbitrarily selected at N * 64K, 1.5Mbps, 2Mbps, 45Mbps, 155Mbps, 622Mbps, 2.5Gbps, 10Gbps and so on.
4) High reliability: Because the transmission network mostly adopts the self-healing ring network structure, so the reliability is high, the business recovery time is short, the economy is good, adapts to the development demand of the modern network application;
5) deployment of flexible: digital circuit network for the synchronous transmission network, the use of cross-connect technology, circuit switching technology, can be flexible circuit deployment, rapid response to customer needs;
6) perfect network management function: SDH frame structure arranged a wealth of overhead bits (about 5% of the signal), thus making the network OAM ability greatly enhanced;
7) easy to maintain: the underlying circuit, fault location, processing is simple, fast business recovery.
Way of handling
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