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Infrastructure & Facilities

Infrastructure

Infrastructure and Technology

RailTel is perhaps the only pan-India operating ISP who doesn’t have to slow down with the burden of legacy network pile-on. With several BSO’s and cellular operators availing RailTel’s NLD services, its initial market presence was felt as a “carrier’s carrier”. Subsequently, it started servicing several corporate business houses for their (VPN) connectivity requirements, and now retail - with RailWire. RailTel has set-up a countrywide circle of the state-of-the-art SDH/DWDM backbone optical transport network using the latest of technologies. More than 400 cities covering over 42,000 RKMs across the country are connected on the network with multiple STM-16 (n x 2.5 Gbps) connectivity. 400 Gbps which is further upgradable to 800 Gbps. It is a pan-India ultra-high capacity DWDM network over 10,000 RKM. A multimedia telecom network using SDH/DWDM based transmission systems and high end MPLS-IP routers. RailTel’s backbone Transport Network has been configured in multiple ‘Self-Healing’ Ring architectures which provide for redundancy by automatically redirecting and switching traffic from failed/degraded routes for an uninterrupted service ensuring maximum up time and service reliability. The network supports multiple ring protection schemes. The network has been designed in such a way that full redundancy is available for bandwidth between any two points. The whole network is managed by centralized network management system & operation support system (NMS & OSS) centrally located at New Delhi with back-up facilities at Secunderabad, Kolkata and Mumbai. RailTel uniqueness is about its ability to offer the best quality service (QoS) from a single unified network with pan-India presence. This Circle of the state-of-the-art network enables point and click provisioning of the bandwidth and other services from anywhere to anywhere in the country. It enables provisioning of traffic in any granularity from 2 MBPS to multiple of Gbps (n x Gbps) from its country wide strong backbone network. RailTel & RailWire is set to spread Telecom revolution in the remote and backward areas of the country. Our country-wide MPLS-IP backbone network will provide a whole range of VPN & Internet services. The network has been built using high-end routers of Juniper network. The network supports services like Layer 3 and Layer 2 VPN services, broadband internet access and multicast services. The MPLS network has PoPs at 40 cities across the country and is in process of being extended to other cities/towns. The MPLS Network Operating Center (NOC) is also equipped with Dorado Redcell and Infovista for network provisioning and performance management.

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