Backbone ISPs
Backbone ISPs are created and maintained by specialized companies. There are many
backbone ISPs operating in North America; some of the most well-known are Sprint-
Link, PSINet, UUNet Technology, AGIS, and internet MCI. To provide connectivity
between the end users, these backbone networks are connected by complex switching
stations (normally run by a third party) called network access points (NAPs). Some
regional ISP networks are also connected to each other by private switching stations
called peering points. Backbone ISPs normally operate at a high data rate (10 Gbps, for
example).
Backbone ISPsBackbone ISPs are created and maintained by specialized companies. There are manybackbone ISPs operating in North America; some of the most well-known are Sprint-Link, PSINet, UUNet Technology, AGIS, and internet MCI. To provide connectivitybetween the end users, these backbone networks are connected by complex switchingstations (normally run by a third party) called network access points (NAPs). Someregional ISP networks are also connected to each other by private switching stationscalled peering points. Backbone ISPs normally operate at a high data rate (10 Gbps, forexample).
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