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1 E1-E2 E2 (EB) National Internet Backbone II ( NIB II ) For internal circulation of BSNL only 1

2 WELCOME This is a presentation for the E1-E2 Enterprise Business Module for the Topic: National Internet Backbone - II. Eligibility: Those who have got the Upgradation to from E1 to E2. This presentation is last updated on You can also visit the Digital library of BSNL to see this topic. For internal circulation of BSNL only 2

3 AGENDA NIB II Features NIB II Project Segmentations Components for Broadband Access Services Planned under NIB II For internal circulation of BSNL only 3

4 NIB-II Features NIB-II is a mission to build world-class infrastructure that will help accelerate the Internet revolution in India. It provides a diversified range of internet access services including support for VPN(Layer-2,Layer-3 and Dialup/BB services) It also offers SLA Reports including security, Qos and any to any connectivity. Offers fully managed services to customers. It offers services like Bandwidth on Demand etc. over the same network. For internal circulation of BSNL only 4

5 Contd NIB-II Features The network is capable of on-line measurement and monitoring of network parameters such as service delivery, availability,latency, throughput, delivery time etc. so as to support SLAs with customers The routers support value added services such as VPNs, Web and content hosting, Voice over IP, Multicast etc. For internal circulation of BSNL only 5

6 Contd NIB-II Features Value Added Services Encryption Services Firewall Services Multicast Services Network Address Translation (NAT) (Service that will enable private users to access public networks) Messaging Services Data Center Services at Bangalore, Delhi and Mumbai. For internal circulation of BSNL only 6

7 Contd NIB-II Features Broad Band Services Broadcast TV using IP Multicasting service Multicast video streaming services Interactive Distant learning using IP Multicasting Services Video on demand Interactive gaming service For internal circulation of BSNL only 7

8 NIB-II Project Segmentation Project 1: MPLS based IP infrastructure Network in 71 cities By Southern Telecom Project Project 2.1: Narrowband dial up Access By Maharashtra Circle Project 2.2: Broadaband DSL Access in 198 cities By Karnataka Circle Project 3: Billing, Messaging, Security, Data Centre, OSS By Data Network For internal circulation of BSNL only 8

9 Brief of the Backbone Project 1 NIB-II MPLS based IP Infrastructure Network, is a 2-layer centrally managed IP backbone network designed to provide reliable routes to cover all possible destinations within and outside the country. The network architecture provides for horizontal scalability to accommodate other networks such as NIB-I and MPLS VPN. For internal circulation of BSNL only 9

10 Project 1 - Network Two Layer Network: Layer 1: High speed Backbone (STM-16) /(STM -1) that will comprise of fully or partially meshed Core routers with built-in redundancies supporting MPLS protocol Layer 2: consists of Edge routers for aggregation of customer traffic and enforcing QoS and other administrative policies For internal circulation of BSNL only 10

11 Project 1 Core Routers 24 Core Routers: 5 in A1 Node, 3 in A2, 6 in A3 and 10 in A4. 5 A1 nodes: Noida(New Delhi), Mumbai, Chennai, Bangalore & Kolkatta and are connected on STM-16 in mesh topology 3 A2 and 6 A3 Nodes: Dual homed to A1 Node on STM- 16. Pune, Hyderabad, Ahmedabad, Ernakulam, Lucknow, Jaipur, Indore, Jullundur,Patna 10 A4 Nodes: Dual homed to nearest A1/A2/A3 on STM-1 For internal circulation of BSNL only 11

12 Project 1 Edge Routers 71 Edge Routers: 5 in A1 Node, 3 in A2, 6 in A3 and 10 in A4. 21 in B1 and 26 in B2 Nodes Connectivity: Edge Routers in A location collocated with core on GE Other edge Routers in A location on STM-1 ring Edge Router in B1 and B2 dual homed to nearest A node on STM-1 node. Features: All 71 Edge routers have IPSec, NAT and Firewall module for miscellaneous service For internal circulation of BSNL only 12

13 Features of NIB II N/W Connectivity Edge Routers in A location collocated with core on GE. Other edge Routers in A location on STM-1 ring. Edge Router in B1 and B2 dual homed to nearest A node on STM-1 node. All 71 Edge routers have IPSec, NAT and Firewall module for miscellaneous service. A1 city core routers are fully meshed between locations on STM-16. IGW International Gateway Router Connectivity to Internet is through this router. For internal circulation of BSNL only 13

14 Features of NIB II N/W Connectivity Contd. IXP Internet Exchange Point ISP s connect each other through this router. IDC Internet Data Center for connecting to BSNL Data Centers. B1 and B2 cities have only EDGE routers. All Core locations also have edge routers. Primary Network Operating center at Bangalore and Disaster Recovery is at Pune. For internal circulation of BSNL only 14

15 NIB-II A1,A2,A3,A4,B1& B2 ROUTER CONNECTIVITY DIAGRAM A1 Nodes - 5 A2+A3 Nodes - 9 A4 Nodes - 10 B1 + B2 Nodes - 47 Ambala Faridabad Gurgaon Ajmer Jodhpur Noida Ghaziabad Ludhiana Kanpur Varanasi Ferozpur Dehradun Bhopal Allahabad Meerut Si Shimla Gwalior Chandigarh Agra Si Amritsar Dimapur Si Lucknow Shilong Jabalpur Patna Guwahati Jullundar Mehsana Si Jaipur Siliguri Noida Ranchi Kalyan Ahmedabad Indore Durgapur Kolkata Si Rajkot Mumbai Bhubneshwar Si Surat Nagpur Pun Banglore Chennai Vadodara e Si Aurangabad Ernakulam MangloreSi Panjim Vijaywada Hyderabad Kolhapur Nashik Vizag Rajmundary Tirupati Belgaum Si Raipur Si Coimbtore Palghat Trivandrum Trichur Kalikat Hubli Mysore Jamshedpur Madurai Trichy Pondicherry

16 NIB2 Expansion and Year 2 Order Overview 29 locations added which makes the total to 100 Core backbone is getting aligned to BSNL Transmission (DWDM) network 24 City core network increased to 29 All 29 city core network links are STM-16 (ie STM1 connectivity of A4 cities will be upgraded to STM16) New 5 Cities are Belgaum, Dehradun, Rajkot, Jodhpur, Jabalpur For internal circulation of BSNL only 16

17 Components of BB Access Network Broad band Remote Access Server (BBRAS). Gigabit and Fast Ethernet Aggregation Switches (LAN Switches). Digital Subscriber Line Access Multiplexers (DSLAMs). SSSS/SSSC (Subscriber Service Selection System/ Centre). Servers for AAA, LDAP at NOC. Provisioning and configuration management at NOC. DSL CPEs (MODEM). For internal circulation of BSNL only 17

18 Components of BB Access Network Contd The DSLAMs will in general be collocated with existing PSTN exchanges, which provide last mile access to customers over copper wire up to average span lengths of 3 kms. All DSLAM s will be aggregated through a FE interface except 480 port DSLAM, which will be aggregated through Gigabit Ethernet Interface. The 240 ports DSLAM will have two number of FE interface. The FX or GBIC module in DSLAM and LAN switch capable of driving upto 10 km on a single mode fiber. For internal circulation of BSNL only 18

19 Components of BB Access Network Contd The SX or GBIC module in LAN Switch used for connecting Tier2 to Tier1. In bigger cities like A1, A2, A3 and A4, one BBRAS per city will be deployed initially. There will be no BBRAS at B1 and B2 cities. The DSLAMs in B1.B2 and other lower hierarchical cities will be aggregated through Layer 2 switches, and will be connected to the nearest BBRAS of A cities on Ethernet over SDH. The BRAS shall terminate the PPP sessions initiated by the customer and extend the connection further to MPLS VPN/ Internet as desired by the customer. For internal circulation of BSNL only 19

20 Network Layout A city - INTERNET Edge router Core Network interfaces L4-7 SW GigE Core router International G/W router Edge router FE Web Cache FE GigE GigE BB Broadband RAS GigE IDC router STM-1 Edge Router in B1 or B2 city IXP G/W NIB -I router RAS STM-1 ATM/ GigE Internet Data Centre (Mumbai, Noida and Bangalore) Additional Edge Router in city ATM/Ethernet Aggregator STM-1 ATM/ Ethernet interfaces METRO SDH RING Int l Gateway Router is planned at Mumbai, Chennai & Ernakulem

21 Service Planned Under NIB-II Category Layer 2 VPN services Details PPP / HDLC / Ethernet Port / Ethernet VLAN / FR / over MPLS Layer 3 VPN COS & application based Priority services, services Bandwidth over subscription, NAT services, Firewall services, Multicast services, Encryption services, Internet Access, Managed Service Dial Access Dial Internet Access, Dial VPN, For internal circulation of BSNL only 21

22 Contd Service Planned Under NIB-II Category Always-on Access Basic Services (Server based) Value Added services Details DSL services (ADSL, ADSL2, ADSL 2plus), MPLS VPN Access, Bandwidth on demand, usage based billing, video multicast, Video on demand, customer self provisioning, Whole sale services AAA, Messaging ( ) Storage, Antivirus, Law ful monitoring For internal circulation of BSNL only 22

23 For internal circulation of BSNL only 23

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