iir_4-23 - Building Terabit IP Networks for Public Internet...

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Building Terabit IP Networks for Public Internet Infrastructure Copyright © 1998 Avici Systems, Inc. All rights reserved. Adam Dunstan adunstan@avici.com www.avici.com
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2 A terabit defined 10 12 bits per second Using today s serial link technologies 100 OC-192/STM-64 400 OC-48/STM-16 1600 OC-12/STM-4 6400 OC-3/STM-1
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3 .000 .001 .010 .100 1.000 10.000 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 0 40 80 120 160 200 240 280 320 360 400 440 480 520 SuperPOP Cross Section BW Do we need Terabit IP? A carrier ’s view of bandwidth growth Bandwidth 1 Gb/s 10 Gb/s 100 Gb/s 1 Tb/s 10 Tb/s 1997 1998 1999 2000 2001 2.2 Gb/s 7.4 Gb/s 37 Gb/s 183 Gb/s 920 Gb/s 4.6 Tb/s
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4 .000 .001 .010 .100 1.000 10.000 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 0 40 80 120 160 200 240 280 320 360 400 440 480 520 SuperPOP Cross Section BW OC3 OC12 OC48 OC192 Available Transmission Technologies Cost effective available link Bandwidth 1 Gb/s 10 Gb/s 100 Gb/s 1 Tb/s 10 Tb/s 1997 1998 1999 2000 2001 Switch/Router link rates 2.2 Gb/s 7.4 Gb/s 37 Gb/s 183 Gb/s 920 Gb/s 4.6 Tb/s
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5 .000 .001 .010 .100 1.000 10.000 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 0 40 80 120 160 200 240 280 320 360 400 440 480 520 SuperPOP Cross Section Bandwidth Growth OC3 OC12 OC48 OC192 TeraPop Scale Requirements One Terabit per second = 400 OC-48 or 100 OC-192 Bandwidth 1 Gb/s 10 Gb/s 100 Gb/s 1 Tb/s 10 Tb/s Port Count 1997 1998 1999 2000 2001 Switch/Router link rates 2.2 Gb/s 7.4 Gb/s 37 Gb/s 183 Gb/s 920 Gb/s 4.6 Tb/s
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6 0 200 400 600 800 1,000 1,200 1,400 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 Single Fiber Capacity Gbps Fiber Capacity 135 Mb/s 565 Mb/s 1.7 Gb/s OC-48 OC-192 OC-192, 2 λ OC-48, 40 λ OC-192, 16 λ OC-48, 96 λ OC-192, 48 λ OC-192, 80 λ OC-192, 128 λ OC-192, 32 λ Approaching infinite backbone bandwidth at little or no additional cost
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7 What ’s different, what ’s changing Access technologies Backbone bandwidth capacity Data transport growth Packet based backbones Internet is a “consumer product ” means. .. a packet based infrastructure is required The Next Public Communications Network The Next Public Communications Network will be built using Internet Technologies will be built using Internet Technologies
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iir_4-23 - Building Terabit IP Networks for Public Internet...

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