A Brief History of Internet Exchanges Version 2.1 July, 2004 Bill - PowerPoint PPT Presentation

Oct 26, 2022 •107 likes •231 views

A Brief History of Internet Exchanges Version 2.1 July, 2004 Bill Woodcock Packet Clearing House First Exchanges Metropolitan Access Experiment Metropolitan Area Ethernet Metropolitan Area Exchange WorldCom MAE-East Washington, D.C.

A Brief History of Internet Exchanges Version 2.1 July, 2004 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 MAE-West / Federal Internet Exchange San Jose / Mountain View (1994) FDDI “dumbbell” ring Bridged to 10mb Ethernet in many locations Two locations, two administrations
First Exchanges Commercial Internet Exchange Palo Alto (1994) Layer-3 MMLPA Commodity DS1 (T1) lines into a Cisco 7010 1991 Not-for-profit industry association Alternet, PSI, Cerfnet
First Exchanges Hong Kong Internet Exchange Chinese University of Hong Kong Single location Ethernet switch Administered by the university First major free exchange (1995)
Technological Progression Shared 10Base-T / FOIRL Ethernet Switched 10mb Ethernet Text Shared FDDI Switched FDDI 100Base-T / 100Base-FX Gigabit Ethernet 10Gigabit Ethernet 40Gigabit Ethernet? OC-768 POS?
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 Peering exchanges As inexpensive as possible Exactly one per area All-inclusive Reliability is not a major issue Transit exchanges Reliability is critical Cost can reflect the need for reliability Redundant pair per area is desirable At least three buyers and at least three sellers
Thanks, and Questions? Copies of this presentation can be found in Keynote, PDF, QuickTime and PowerPoint formats at: http:// www.pch.net / resources / papers / brief-history-of-ixes Bill Woodcock Research Director Packet Clearing House woody@pch.net

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