Data routing in a communication network
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United States of America Patent
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Jun 24, 2003
Grant Date -
N/A
app pub date -
Mar 7, 2000
filing date -
Jun 25, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A method of collecting charging information relating to usage of the Internet by an Internet user. The method comprises constructing in a router of the Internet a routing table containing a set of destination address ranges and a set of respective next hop network nodes. Each address range in the routing table is assigned a cost class in dependence upon the route via which a packet must travel to an address within the range. Upon receiving a data packet from the network user, the destination address of the packet is identified by the router. The router then determines from the routing table the associated cost class. A corresponding cost class counter in the router is then incremented.
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