Multiplex communications – Data flow congestion prevention or control – Control of data admission to the network
Reexamination Certificate
2007-01-08
2010-02-23
Phan, M. (Department: 2419)
Multiplex communications
Data flow congestion prevention or control
Control of data admission to the network
C370S232000, C370S254000, C370S386000, C709S239000
Reexamination Certificate
active
07668087
ABSTRACT:
Methods and systems are provided for applying metering and rate-limiting in a virtual router environment and supporting a hierarchy of metering/rate-limiting contexts per packet flow. According to one embodiment, multiple first level metering options and multiple second level metering options associated with a hierarchy of metering levels are provided. A virtual routing engine receives packets associated with a first packet flow and packets associated with a second packet flow. The virtual routing engine performs a first type of metering of the first level metering options on the packets associated with the first packet flow using a first metering control block (MCB) and performs a second type of metering of the second level metering options on the packets associated with the first packet flow and the packets associated with the second flow using a second MCB.
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Alam Naveed
Cheng Joseph
Desai Sachin
Hussain Zahid
Millet Tim
Fortinet, Inc.
Hamilton DeSanctis & Cha, LLP
Phan M.
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