40 lines
2.3 KiB
Markdown
40 lines
2.3 KiB
Markdown
# Infrastructure and operations
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## DNS
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| Entity/system | Function | Entry point |
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| Root Server System | Distributed service for the DNS root, operated by multiple independent organizations | [root-servers.org](https://root-servers.org/) |
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| DNS-OARC | DNS operations, analysis, research, and community coordination | [dns-oarc.net](https://www.dns-oarc.net/) |
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The familiar 13 root-server letters are logical identifiers, not merely 13 physical machines; deployments are distributed globally.
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## Interconnection and exchange points
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| Directory/community | Function | Entry point |
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| PeeringDB | Participant-maintained records for networks, facilities, and IXPs | [Advanced Search](https://www.peeringdb.com/advanced_search) |
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| Euro-IX | IXP association and public IXP directory | [IXP list](https://www.euro-ix.net/en/forixps/ixp-list/) |
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| IX-F | Common schema for IXPs to publish operational data | [ix-f.net](https://www.ix-f.net/) |
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These sources are complementary. They are excellent discovery tools but are not guaranteed to contain every network, facility, session, or current commercial relationship.
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## Routing visibility and operations
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| Entity/system | Function | Entry point |
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| Route Views | Public BGP collectors and routing archives | [Collectors](https://www.routeviews.org/routeviews/index.php/collectors/) |
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| RIPE RIS | Distributed routing collectors and data services | [RIS](https://www.ripe.net/analyse/internet-measurements/routing-information-service-ris/) |
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| NANOG | North American operator knowledge-sharing community | [nanog.org](https://www.nanog.org/) |
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Collector data shows what participating vantage points observe; it is not a complete ground truth of every route or traffic path.
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## Physical connectivity
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| Source | Function | Entry point |
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| TeleGeography Submarine Cable Map | Discovery map for cable systems and landing points | [submarinecablemap.com](https://www.submarinecablemap.com/) |
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| TeleGeography | Specialist telecom research and network maps | [Network maps](https://www2.telegeography.com/network-maps) |
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Cable ownership, construction, ready-for-service dates, outages, and landing-station details change. Use the map to find candidates, then corroborate with cable-system operators, landing parties, regulators, and current filings.
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