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NANOG Meeting Presentation Abstract

Internet Mini-Cores: Local Communications in the Internet\'s \"Spur\" Regions
Meeting: NANOG34
Date / Time: 2005-05-17 10:05am - 10:35am
Room: Grand Ballroom II-III<BR>Grand Level
Presenters: Speakers:

Steve Gibbard, PCH

Steve Gibbard is the Network Architect at Packet Clearing House. He runs a global research network and an anycast DNS network that hosts the top level domains for several countries as well as a root DNS server, and studies the interconnection of Internet networks around the world. In addition, Steve carries out network architecture and peering work as a consultant for several ISPs. He is a former Senior Network Engineer at Cable & Wireless, and has held network engineering positions at Digital Island and World Wide Net.
Abstract: The Internet currently consists of a well connected core and less well connected spurs. Within the core, connectivity is good. For the rest of the world, areas that relate to the core as long spurs, its a different story. Many different ISPs in these regions have connectivity to the core, but few connect to each other. The connections to the core often extend long distances, sometimes over satellite links. Even local connectivity uses these connections, so data may have to go half way around the world and back in order to go a few miles, leading to great expense and poor performance.

While true local communications are vulnerable mainly to problems with fiber links of a few miles, long distance communications are vulnerable to failures of microwave and satellite links going long distances. When local communications are carried on long distance connections, local communications become vulnerable to the reliability problems of long distance circuits.

The purpose of this talk is to examine the problems this structure causes for the spur regions of the Internet, and to propose some solutions.
Files: youtubeInternet Mini-Cores: Local Communications in the Internet's "Spur" Regions
pdfSteve Gibbard Presentation(PDF)
Sponsors: None.

Back to NANOG34 agenda.

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    Panelists:
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