sanog18-tdm-ngn-wireless-subodh, TELEKOMUNIKACJA, eng opisy urzadzen, sanog
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//-->South Asian Network Operators GroupMigration of TDM Network into NGN for the Fixed Wireline AccessNetworkSANOG XVIII8-16 September, 2011, Pokhara, NepalSubodh PaudelNetwork EngineerAccess Network Planning Department, Nepal Telecomsubodh.paudel@ntc.net.npMigration of TDM Network into NGN for the Fixed Wireline Access NetworkJuly 18, 12Outline Introduction ObjectivesNGN Overviews Case Study- Nepal Telecom (NT) Access Network Conclusion Migration of TDM Network into NGN for the Fixed Wireline Access NetworkJuly 18, 12Introduction Demand of BandwidthPresent Access Network TechnologiesLimitations of Cu wire access network TDM Technologies(4-6.3)Km Cu distance from exchange9.5 dB transmission loss and durability of Cu wireADSL+2 (24Mbps downstream, 1.5 Mbps upstream)Oldage access network infrastructureNetwork Management CostlyBottleneck of Bandwidth High Speed Cu Access Network Technologies Services SDTV HDTV 3D SDTV 3D HDTV Basic HIS Gaming Multimedia surfing Video-conf. and learning Telecommuting Voice-over-IP Future Access Network Bandwidth RequirementBandwidthConsumption 2 Mb/s per channel 8 Mb/s per channel 63 Mb/s per channel 187 Mb/s per channel 5 Mb/s average 10 Mb/s average 10 Mb/s average 3 Mb/s per session 4 Mb/s average 110 Kb/s Downstream Bandwidth requirements for future access network[Urban et al., 2009]Migration of TDM Network into NGN for the Fixed Wireline Access NetworkJuly 18, 12Contd… Fiber based Access Technologies PON (FTTH, FTTB and FTTC)Economically not viableNGN is one of the promising solutionNGN decreases the CAPEX and OPEX of networkinfrastructure[Ali Amer, IEEE]NGN increases revenues[Ali Amer, IEEE] Need of Migration from TDM network to IP Network Migration of TDM Network into NGN for the Fixed Wireline Access NetworkJuly 18, 12Objectives To migrate from TDM network to IP network and toaddress the challenges issues and network scenariosin the optical access network at NTMigration of TDM Network into NGN for the Fixed Wireline Access NetworkJuly 18, 12 [ Pobierz całość w formacie PDF ] |