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Old 10-27-2007, 07:02 PM   #1
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Curiousity got the Cat...

I have always wondered how these big hosting company's do things like get so many IP addresses, obviously a hosting company that has 100 or more customers don't have 100 or more NIC's in there system. I know you can make an alias for a device (eth0:1) but I don't think they would be basing there business on an alias. Can anyone shed some light on this.
Old 10-27-2007, 08:52 PM   #2
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For one thing, the device you connect to probably won't be a computer but a cisco router. If the websites are virtual they may have a virtual IP address as well. They may however have a blade with it's own NIC device as well for each website if that site justifies that much traffic. Some are colo's where you have a physical computer on site with full control. Here you probably have your own nic device (and maybe a spare) on the their LAN side of the network.

Last edited by jschiwal; 10-27-2007 at 08:57 PM.


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