1Presentation_ID © 1999, Cisco Systems, Inc. IP Over Optical: Building Terabit Networks Today Larry McAdams

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Presentation transcript:

1Presentation_ID © 1999, Cisco Systems, Inc. IP Over Optical: Building Terabit Networks Today Larry McAdams

2DWDM_LM_8/99 Network Trends Dominant Traffic Technology Economics Voice TDM Web and Internet Packet Switching Constrained BW Plentiful BW “Old World” “New World” Service Foundation Architecture IP Clouds Service Optimized Circuits Service Multiplexing

3DWDM_LM_8/99 The Internet Drives Capacity Jan-98Jan-99Jan-01Jan-02Jan-03Jan-00 Tier 1 ISP Mbps 2 x OC48c 80 x OC192c 16 x OC48c 16 x OC192c

4DWDM_LM_8/ The Cost of Bandwidth Source: Ryan, Hankin and Kent and Internal Data Year Line and Network Speeds (Gbit/s)Bandwidth Cost ($/Mbit/s) Year OC-3 OC-12 OC-48 OC-192 TDM Routers/Switches Optical (WDM)

5DWDM_LM_8/99 Data Optimized Architecture Data Optimized Architecture DS3 OC-3 DS3 Ethernet CustomerAggregation IP Transport Ring Backbone OC-192c OC-48c OC-192c 2.5 or 10 Gbit/s Statistically Multiplexed Core IP Transport Ring CustomerAggregation Aggregation Technologies Dynamic Packet Transport Hybrid SONET (Cerent) Backbone Technologies IP over Optics at OC-48/192 Optical Cross-connects (Monterey)

6DWDM_LM_8/99 Future Platform ports Internet Cross-Connect Integrated Long-haul WDM Integrated DPT Internet Cross-Connect Integrated Long-haul WDM Integrated DPT GSR OC192 Platform Upgrade Investment protection DS3 to OC192c OC192 Platform Upgrade Investment protection DS3 to OC192c Platform Evolution Capacity (OC48 Equiv.) 1 10, GSR 11xOC48 44Mpps Highest capacity Router IOS Routing DS3 to OC48c Highest capacity Router IOS Routing DS3 to OC48c

70642_02F9_c1 © 1999, Cisco Systems, Inc.