Soft multi-contract rate policing
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United States of America Patent
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Issued Date -
Aug 22, 2002
app pub date -
Feb 22, 2001
filing date -
Feb 22, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Soft bandwidth policing where a packet does not necessarily receive the least favorable treatment indicated by the applicable bandwidth contracts. Multiple bandwidth contracts are created for a customer and different priorities are assigned to each bandwidth contract. When an inbound packet is received, a policing engine selects the highest priority bandwidth contract and applies its policing data to determine if the inbound packet complies with it. If the inbound packet is in compliance with the selected bandwidth contract, the packet is admitted. If the inbound packet is not in compliance with the selected bandwidth contract and the bandwidth contract is the lowest priority bandwidth contract, the inbound packet is discarded. Otherwise, if the selected bandwidth contract is not the lowest priority bandwidth contract, the next highest priority bandwidth contract is examined to determine whether the packet may be admitted under it.
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