The vast majority of our customers (99%) are billed on the basis of data transfer.
Quote:
Originally Posted by mdf
It's pretty hard to bill on actual usage when your upstreams bill on 95th percentlile imho.
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Not really - you simply setup Netflow or similar to give you the traffic analysis and transfers per IP address; Netflow (or sFlow etc..) also lets you monitor your network more closely by logging types of traffic, ports etc..
You can then also collate this data to do automatic alerting, out of character flow alerting, DoS mitigation etc..