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US 8,797,575 B2Granted
Dynamic control of packet filtering period
AssigneeFuji Xerox Co., Ltd.
InventorsYuichi Kawata, Yoshifumi Bando, Keita Sakakura, Hiroaki Yamamoto, Kenichi Takahashi, Masakazu Kawashita
Life of this patent
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Abstract
A communication control apparatus including: a count portion that counts the number of received data; and a discard portion that is provided at an upstream side of a control portion on a forwarding route of the received data, and discards received data according to a counted value by the count portion.
Claims9
A communication apparatus comprising:
- a memory that stores a value indicating a packet measurement period;
- a network interface that receives data packets;
- a packet filter that discards data packets;
- and
- a comparison unit that determines whether a first number of data packets received by the network interface during a first packet measurement period exceeds a predetermined threshold, controls the packet filter to discard data packets received by the network interface during a packet filtering period following the first packet measurement period, determines whether a second number of data packets received by the network interface during a second packet measurement period following the first packet measurement period exceeds the predetermined threshold, and controls the packet filter to continuously discard data packets received by the network interface for a period of time after the packet filtering period.
2 more elements
Dependencies are inferred from the claim text.