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    • 2. 发明授权
    • Method and apparatus for limiting denial of service attack by limiting traffic for hosts
    • 通过限制主机流量来限制拒绝服务攻击的方法和装置
    • US08312544B2
    • 2012-11-13
    • US12611467
    • 2009-11-03
    • Sunay TripathiNicolas G. DrouxYuzo Watanabe
    • Sunay TripathiNicolas G. DrouxYuzo Watanabe
    • G06F9/00G06F11/00
    • H04L63/1416H04L63/1458
    • A method for controlling a denial of service attack involves receiving a plurality of packets from a network, identifying an attacking host based on a severity level of the denial of service attack from the network, wherein the attacking host is identified by an identifying attack characteristic associated with one of the plurality of packets associated with the attacking host, analyzing each of the plurality of packets by a classifier to determine to which of a plurality of temporary data structures each of the plurality of packet is forwarded, forwarding each of the plurality of packets associated with the identifying attack characteristic to one of the plurality of temporary data structures matching the severity level of the denial of service attack as determined by the classifier, requesting a number of packets from the one of the plurality of temporary data structures matching the severity level by the virtual serialization queue, and forwarding the number of packets to the virtual serialization queue.
    • 用于控制拒绝服务攻击的方法包括从网络接收多个分组,基于来自网络的拒绝服务攻击的严重性级别识别攻击主机,其中攻击主机通过相关联的识别攻击特征来识别 与所述攻击主机相关联的所述多个分组中的一个分组,通过分类器分析所述多个分组中的每一个,以确定所述多个分组中的每一个被转发到多个临时数据结构中的哪一个,转发所述多个分组中的每个分组 与所述多个临时数据结构中的一个临时数据结构中的一个临时数据结构相关联,所述临时数据结构与由所述分类器确定的所述拒绝服务攻击的严重性级别匹配,请求从所述多个临时数据结构中的一个临时数据结构匹配严重性级别 通过虚拟序列化队列,并将数据包的数量转发到virtua l序列化队列
    • 9. 发明授权
    • Method and apparatus for dynamically isolating affected services under denial of service attack
    • 在拒绝服务攻击下动态隔离受影响的服务的方法和装置
    • US07739736B1
    • 2010-06-15
    • US11112158
    • 2005-04-22
    • Sunay TripathiNicolas G. DrouxYuzo Watanabe
    • Sunay TripathiNicolas G. DrouxYuzo Watanabe
    • G06F9/00G06F11/00H04L29/06
    • H04L63/1458
    • A method for controlling consumption of resources by a packet destination involves receiving a plurality of packets from a network, identifying the packet destination consuming greater than a pre-determined amount of resources to process the plurality of packets, analyzing each of the plurality of packets by a classifier to determine to which of a plurality of temporary data structures each of the plurality of packet is forwarded, forwarding each of the plurality of packets to one of the plurality of temporary data structures as determined by the classifier, requesting a number of packets from the one of the plurality of temporary data structures associated with the packet destination by the virtual serialization queue, wherein the number of packets is limited by an attack control parameter associated with the virtual serialization queue, and forwarding the number of packets to the virtual serialization queue.
    • 用于控制分组目的地的资源消耗的方法包括从网络接收多个分组,识别分组目的地消耗大于预定量的资源以处理多个分组,通过以下方式分析多个分组中的每一个: 分类器,用于确定多个分组中的每一个被转发到多个临时数据结构中的哪一个,将所述多个分组中的每一个转发到由所述分类器确定的所述多个临时数据结构中的一个,请求数量的分组 所述虚拟序列化队列与所述分组目的地相关联的所述多个临时数据结构中的所述多个临时数据结构中的一个,其中所述分组的数量受与所述虚拟序列化队列相关联的攻击控制参数的限制,并且将所述分组的数目转发到所述虚拟序列化队列 。