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    Statistical, Signature-Based Approach to IP Traffic Classification
    1.
    发明申请
    Statistical, Signature-Based Approach to IP Traffic Classification 失效
    统计，基于签名的IP流量分类方法

    公开(公告)号：US20100085889A1

    公开(公告)日：2010-04-08

    申请号：US12635127

    申请日：2009-12-10

    申请人： Nicholas G. Duffield ,  Matthew Roughan ,  Subhabrata Sen ,  Oliver Spatscheck

    发明人： Nicholas G. Duffield ,  Matthew Roughan ,  Subhabrata Sen ,  Oliver Spatscheck

    IPC分类号： H04L12/26 ,  H04L12/56

    CPC分类号： H04L41/5022 ,  H04L41/142

    摘要： A signature-based traffic classification method maps traffic into preselected classes of service (CoS). By analyzing a known corpus of data that clearly belongs to identified ones of the preselected classes of service, in a training session the method develops statistics about a chosen set of traffic features. In an analysis session, relative to traffic of the network where QoS treatments are desired (target network), the method obtains statistical information relative to the same chosen set of features for values of one or more predetermined traffic attributes that are associated with connections that are analyzed in the analysis session, yielding a statistical features signature of each of the values of the one ore more attributes. A classification process then establishes a mapping between values of the one or more predetermined traffic attributes and the preselected classes of service, leading to the establishment of QoS treatment rules.

    摘要翻译： 基于签名的流量分类方法将流量映射到预选的服务等级（CoS）。 通过分析明确属于所选择的服务类别的已知数据库，在训练课程中，该方法开发关于所选择的一组交通特征的统计。 在分析会话中，相对于期望QoS处理的网络的业务量（目标网络），该方法获得相对于与所连接的连接相关联的一个或多个预定业务属性的值的相同所选择的特征集的统计信息 在分析会话中进行分析，产生一个或多个属性的每个值的统计特征签名。 然后，分类过程建立一个或多个预定业务属性的值与预选的业务类别之间的映射，导致建立QoS处理规则。

    Statistical, signature-based approach to IP traffic classification
    2.
    发明授权
    Statistical, signature-based approach to IP traffic classification 失效
    统计，基于签名的IP流量分类方法

    公开(公告)号：US08031599B2

    公开(公告)日：2011-10-04

    申请号：US12635127

    申请日：2009-12-10

    申请人： Nicholas G. Duffield ,  Matthew Roughan ,  Subhabrata Sen ,  Oliver Spatscheck

    发明人： Nicholas G. Duffield ,  Matthew Roughan ,  Subhabrata Sen ,  Oliver Spatscheck

    IPC分类号： H04L12/28

    CPC分类号： H04L41/5022 ,  H04L41/142

    摘要： A signature-based traffic classification method maps traffic into preselected classes of service (CoS). By analyzing a known corpus of data that clearly belongs to identified ones of the preselected classes of service, in a training session the method develops statistics about a chosen set of traffic features. In an analysis session, relative to traffic of the network where QoS treatments are desired (target network), the method obtains statistical information relative to the same chosen set of features for values of one or more predetermined traffic attributes that are associated with connections that are analyzed in the analysis session, yielding a statistical features signature of each of the values of the one or more attributes. A classification process then establishes a mapping between values of the one or more predetermined traffic attributes and the preselected classes of service, leading to the establishment of QoS treatment rules.

    摘要翻译： 基于签名的流量分类方法将流量映射到预选的服务等级（CoS）。 通过分析明确属于所选择的服务类别的已知数据库，在训练课程中，该方法开发关于所选择的一组交通特征的统计。 在分析会话中，相对于期望QoS处理的网络的业务量（目标网络），该方法获得相对于与所连接的连接相关联的一个或多个预定业务属性的值的相同所选择的特征集的统计信息 在分析会话中分析，产生一个或多个属性的每个值的统计特征签名。 然后，分类过程建立一个或多个预定业务属性的值与预选的业务类别之间的映射，导致建立QoS处理规则。

    Statistical, signature-based approach to IP traffic classification
    3.
    发明授权
    Statistical, signature-based approach to IP traffic classification 失效
    统计，基于签名的IP流量分类方法

    公开(公告)号：US07660248B1

    公开(公告)日：2010-02-09

    申请号：US10764001

    申请日：2004-01-23

    申请人： Nicholas G. Duffield ,  Matthew Roughan ,  Subhabrata Sen ,  Oliver Spatscheck

    发明人： Nicholas G. Duffield ,  Matthew Roughan ,  Subhabrata Sen ,  Oliver Spatscheck

    IPC分类号： H04L12/26

    CPC分类号： H04L41/5022 ,  H04L41/142

    摘要： A signature-based traffic classification method maps traffic into preselected classes of service (CoS). By analyzing a known corpus of data that clearly belongs to identified ones of the preselected classes of service, in a training session the method develops statistics about a chosen set of traffic features. In an analysis session, relative to traffic of the network where QoS treatments are desired (target network), the method obtains statistical information relative to the same chosen set of features for values of one or more predetermined traffic attributes that are associated with connections that are analyzed in the analysis session, yielding a statistical features signature of each of the values of the one or more attributes. A classification process then establishes a mapping between values of the one or more predetermined traffic attributes and the preselected classes of service, leading to the establishment of QoS treatment rules.

    摘要翻译： 基于签名的流量分类方法将流量映射到预选的服务等级（CoS）。 通过分析明确属于所选择的服务类别的已知数据库，在训练课程中，该方法开发关于所选择的一组交通特征的统计。 在分析会话中，相对于期望QoS处理的网络的业务量（目标网络），该方法获得相对于与所连接的连接相关联的一个或多个预定业务属性的值的相同所选择的特征集的统计信息 在分析会话中分析，产生一个或多个属性的每个值的统计特征签名。 然后，分类过程建立一个或多个预定业务属性的值与预选的业务类别之间的映射，导致建立QoS处理规则。

    Method and apparatus for dynamically protecting a mail server
    8.
    发明授权
    Method and apparatus for dynamically protecting a mail server 有权
    用于动态保护邮件服务器的方法和装置

    公开(公告)号：US08880614B1

    公开(公告)日：2014-11-04

    申请号：US11598582

    申请日：2006-11-13

    申请人： Albert G. Greenberg ,  Patrick Haffner ,  Subhabrata Sen ,  Oliver Spatscheck

    发明人： Albert G. Greenberg ,  Patrick Haffner ,  Subhabrata Sen ,  Oliver Spatscheck

    IPC分类号： H04L12/58

    CPC分类号： H04L51/12

    摘要： A method and apparatus for providing protection for mail servers in networks such as the packet networks are disclosed. For example, the present method detects a mail server is reaching its processing limit. The method then selectively limits connections to the mail server from a plurality of source nodes based on a spam index associated with each of the source nodes.

    摘要翻译： 公开了一种在诸如分组网络的网络中为邮件服务器提供保护的方法和装置。 例如，本方法检测到邮件服务器正在达到其处理限制。 该方法然后基于与每个源节点相关联的垃圾邮件索引来选择性地限制来自多个源节点的到邮件服务器的连接。