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IP over DWDM Networks



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IP over DWDM Networks Raj Jain Cofounder and CTO Nayna Networks Inc Milpitas CA 95035 Raj Nayna com These slides are available at http www cis ohio state edu jain talks opnet00 htm Nayna Networks Opnetwork 2000 1 Raj Jain Overview q What factors lead to IP and DWDM q Why IP directly over DWDM q How to IP over DWDM m What changes are required in IP Nayna Networks Opnetwork 2000 2 Raj Jain Trend More Internet Traffic q q q q Number of Internet hosts is growing superexponentially Traffic per host is increasing Cable Modems ADSL UUNet traffic was doubling every 4 months now every 100 days Traffic growth is faster than processing capacity Nayna Networks Opnetwork 2000 4 Raj Jain Trend Data Voice Data Voice Traffic q Past Data over Voice 1998 Time IP Phone IP Network Network Network CSU DSU CSU DSU q Future Voice over Data Phone IP Phone Network Network Network Gateway Gateway Nayna Networks Opnetwork 2000 5 Raj Jain Bandwidth 2000 Desktop Enterprise Access 64 kb 155Mb Enterprise 10 100Mb 100Mb 1Gb Metro 155 Mb 2 4Gb Core 2 4Gb 10Gb Nayna Networks Opnetwork 2000 6 Raj Jain Bandwidth 2005 Desktop Enterprise Access 64 Mb 155Gb Enterprise 10 100Gb 100Gb 1Tb Metro 155 Gb 2 4Tb Core 2 4Tb 10Tb Nayna Networks Opnetwork 2000 7 Raj Jain Sparse and Dense WDM q q q q q 10Mbps Ethernet 10Base F uses 850 nm 100 Mbps Ethernet 100Base FX FDDI use 1310 nm Some telecommunication lines use 1550 nm WDM 850nm 1310nm or 1310nm 1550nm Dense Closely spaced 1nm separation Nayna Networks Opnetwork 2000 8 Raj Jain Recent DWDM Records q q q q q q q q q q 1 40 Gbps to 65 km Alcatel 98 32 5 Gbps to 9300 km 1998 64 5 Gbps to 7200 km Lucent 97 100 10 Gbps to 400 km Lucent 97 16 10 Gbps to 6000 km 1998 132 20 Gbps to 120 km NEC 96 70 20 Gbps to 600 km NTT 97 80 40 Gbps to 60 km Siemens 00 1022 Wavelengths on one fiber Lucent 99 Ref Optical Fiber Conference 1996 2000 Nayna Networks Opnetwork 2000 9 Raj Jain Sample Products DWDM Fiber DWDM Terminal DWDM Fiber Crossconnect DWDM Fiber DWDM Fiber S q q DWDM



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