A Brief History of Internet Exchanges Version 0.1 May, 2002 Bill Woodcock Packet Clearing House.

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Presentation transcript:

A Brief History of Internet Exchanges Version 0.1 May, 2002 Bill Woodcock Packet Clearing House

First Exchanges  Metropolitan Access Experiment  Metropolitan Area Ethernet  Metropolitan Area Exchange  WorldCom MAE-East™ Washington, D.C. 10mb shared FOIRL(Magnums) into assorted switches No fixed topology, four initial locations MFS fiber plant Shared administration Late 1992 Sprint/ICM, Alternet, PSI, SURAnet, NSFnet

First Exchanges  Commercial Internet Exchange Palo Alto Layer-3 MMLPA Commodity DS1 (T1) lines into a Cisco Not-for-profit industry association Alternet, PSI, Cerfnet

First Exchanges  MAE-West / Federal Internet Exchange San Jose / Mountain View FDDI “dumbbell” ring Bridged to 10mb Ethernet in many locations Two locations, two administrations

First Exchanges  Hong Kong Internet Exchange Chinese University of Hong Kong Single location Ethernet switch Administered by the university First major free exchange

Technological Progression  Shared 10Base-T / FOIRL Ethernet  Switched 10mb Ethernet  Shared FDDI  Switched FDDI  100Base-T / 100Base-FX  Gigabit Ethernet  10Gigabit Ethernet

Other Technologies  Layer-3 route-servers  Frame Relay  ATM  Wireless Ethernet  Crossconnect mesh  DPT

Common Services  Route-server  Looking-glass  Measurement and instrumentation  Network Time Protocol  Web cache parent  News server  Root server mirror

Common Business Models  Hosted by a university or government  Informal  Industry association  Neutral for-profit  Anything else may not be recognized

Size Differentiation  Municipal  Large metro-area  National  “Regional” (meaning changing)

Peering / Transit Differentiation  New concept  Very different pricing  Very different competitiveness

Bill Woodcock