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1. 发明授权

US10200270B2 Correlation of media plane and signaling plane of media services in a packet-switched network 有权
公开(公告)号：US10200270B2
公开(公告)日：2019-02-05
申请号：US14114306
申请日：2011-04-28
申请人： Hendrik Scholz , Michael Krueger , Jan Bastian , Michael Wallbaum
发明人： Hendrik Scholz , Michael Krueger , Jan Bastian , Michael Wallbaum
IPC分类号： G06F15/173 , H04L12/26 , H04L12/24 , H04L29/06
摘要： This invention relates to methods for correlating media streams and signaling sessions of services, for example, in a passive monitoring system of a packet-switched network. Furthermore, the invention also relates to an implementation of these methods in hardware and software, and provides a signaling plane probe, a media plane probe and a correlation unit. Moreover, a passive monitoring system comprising one or more of these hardware devices is provided. To correlate media streams and signaling sessions of services, the invention proposes to independently generate correlation keys in a media plane probe for monitored media streams and correlation keys for signaling sessions that are monitored by a signaling plane probe in a fashion that matching correlation keys are generated for a respective service. By identifying reports on the media streams and reports on the signaling session that contain matching correlation keys respectively, the media streams and the signaling streams are correlated in a correlation unit.

2. 发明申请

US20130163446A1 Correlation of Media Plane and Signaling Plane of Media Services in a Packet-Switched Network 有权
标题翻译：媒体平面与媒体服务在分组交换网络中的信令平面的相关性
公开(公告)号：US20130163446A1
公开(公告)日：2013-06-27
申请号：US13334870
申请日：2011-12-22
申请人： Michael KRÜGER , Hendrik SCHOLZ
发明人： Michael KRÜGER , Hendrik SCHOLZ
IPC分类号： H04L12/26
CPC分类号： H04L43/12 , H04L41/5032 , H04L43/062 , H04L43/106 , H04L43/16 , H04L65/1006
摘要： This invention relates to methods for correlating at least one media path and a signaling session of a packet-switched network and to an implementation of these methods in hardware and software. To overcoming one or more of the limitations and challenges on the correlation of signaling plane and media plane of services, the invention defines a key, which can be used for correlation of media streams and signaling sessions. The invention is based on a signaling probe identifying new services and associated media paths of the media plane by detecting their corresponding signaling sessions and determining for each service a signaling session identifier. The signaling probe registers the signaling sessions and their media paths at a correlation unit using the signaling session identifiers as a key, which allows a media probe to query the correlation unit for respective signaling session identifiers that correspond to media paths detected in the media plane traffic.
摘要翻译：本发明涉及用于将分组交换网络的至少一个媒体路径和信令会话相关联的方法以及这些方法在硬件和软件中的实现。为了克服服务的信令平面和媒体平面的相关性的一个或多个限制和挑战，本发明定义了可以用于媒体流和信令会话的相关性的密钥。本发明基于通过检测其对应的信令会话来识别媒体平面的新业务和相关联的媒体路径的信令探测，并且为每个业务确定信令会话标识符。信令探测器使用信令会话标识符作为密钥将信令会话及其媒体路径注册到相关单元，该密钥允许媒体探测器向相关单元查询对应于在媒体平面业务中检测到的媒体路径的相应信令会话标识符。

3. 发明授权

US09544208B2 VoIP quality measurement enhancements using the internet control message protocol 有权
标题翻译：使用互联网控制消息协议进行VoIP质量测量增强
公开(公告)号：US09544208B2
公开(公告)日：2017-01-10
申请号：US14000306
申请日：2012-02-09
申请人： Hendrik Scholz
发明人： Hendrik Scholz
IPC分类号： H04L12/26 , H04L29/06
CPC分类号： H04L43/08 , H04L65/80
摘要： This invention relates to a method for enhancing the quality information of a VoIP session by deducting information from received ICMP messages, in addition to quality information already collected from media streams and/or signaling streams of the same VoIP session. ICMP messages passing on the network link are monitored and correlated with an existing and ongoing VoIP session, i.e. media stream, already monitored by a media plane monitoring unit. A data record for the media stream(s) is expanded with information from the ICMP messages, thus giving a better and more complete quality feedback of the media stream reception at the two communication endpoints.
摘要翻译：本发明涉及除已经从相同VoIP会话的媒体流和/或信令流收集的质量信息之外，通过从接收的ICMP消息中扣除信息来增强VoIP会话的质量信息的方法。在网络链路上传递的ICMP消息被监视并与已经和正在进行的VoIP会话相关联，即已经由媒体平面监视单元监视的媒体流。通过来自ICMP消息的信息来扩展用于媒体流的数据记录，从而给出在两个通信端点处的媒体流接收的更好和更完整的质量反馈。

4. 发明申请

US20140317288A1 DETERMINATION OF A QUALITY INDUCED TERMINATION RATE OF COMMUNICATION SESSIONS 有权
标题翻译：确定通信会议质量诱导终止率
公开(公告)号：US20140317288A1
公开(公告)日：2014-10-23
申请号：US14370218
申请日：2012-01-05
申请人： Michael Krueger , Hendrik Scholz , Michael Wallbaum
发明人： Michael Krueger , Hendrik Scholz , Michael Wallbaum
IPC分类号： H04L12/26 , H04L29/06
CPC分类号： H01L43/08 , H04L41/5025 , H04L41/5067 , H04L41/5087 , H04L43/08 , H04L43/12 , H04L65/1083 , H04L65/60 , H04L65/80
摘要： This invention relates to methods and an apparatus for detecting quality induced terminations of media streams of real-time communication sessions within a packet-switched network. To enable the determination of the quality of live media streams passing by the tapping points in a network, and to use this information to determine media transmissions being aborted due to bad quality the invention evaluates quality data records of a terminated media stream to detect, whether the media stream was terminated due to bad quality or another reason. Advantageously, a threshold number of quality data records that were generated for the media stream just before termination thereof are considered in the evaluation. In case each of this threshold number of quality data records yields a bad quality of the media stream, the termination of the media stream may be judged or assumed to be induced due to bad quality.
摘要翻译：本发明涉及用于检测在分组交换网络内的实时通信会话的媒体流的质量引起终止的方法和装置。为了能够确定通过网络中的分接点的现场媒体流的质量，并且使用该信息来确定由于质量差而中止的媒体传输，本发明评估终止的媒体流的质量数据记录以检测是否媒体流由于质量差或其他原因而被终止。有利的是，在评估中考虑在其终止之前为媒体流产生的阈值数量的质量数据记录。在这种阈值数量的质量数据记录中的每一个产生媒体流的质量差的情况下，可以判断或假设由于质量差而导致媒体流的终止。

5. 发明授权

US09236559B2 Determination of a quality induced termination rate of communication sessions 有权
标题翻译：确定通信会话的质量诱导终止率
公开(公告)号：US09236559B2
公开(公告)日：2016-01-12
申请号：US14370218
申请日：2012-01-05
申请人： Michael Krueger , Hendrik Scholz , Michael Wallbaum
发明人： Michael Krueger , Hendrik Scholz , Michael Wallbaum
IPC分类号： H04L12/26 , H01L43/08 , H04L12/24 , H04L29/06
CPC分类号： H01L43/08 , H04L41/5025 , H04L41/5067 , H04L41/5087 , H04L43/08 , H04L43/12 , H04L65/1083 , H04L65/60 , H04L65/80
摘要： This invention relates to methods and an apparatus for detecting quality induced terminations of media streams of real-time communication sessions within a packet-switched network. To enable the determination of the quality of live media streams passing by the tapping points in a network, and to use this information to determine media transmissions being aborted due to bad quality the invention evaluates quality data records of a terminated media stream to detect, whether the media stream was terminated due to bad quality or another reason. Advantageously, a threshold number of quality data records that were generated for the media stream just before termination thereof are considered in the evaluation. In case each of this threshold number of quality data records yields a bad quality of the media stream, the termination of the media stream may be judged or assumed to be induced due to bad quality.
摘要翻译：本发明涉及用于检测在分组交换网络内的实时通信会话的媒体流的质量引起终止的方法和装置。为了能够确定通过网络中的分接点的现场媒体流的质量，并且使用该信息来确定由于质量差而中止的媒体传输，本发明评估终止的媒体流的质量数据记录以检测是否媒体流由于质量差或其他原因而被终止。有利的是，在评估中考虑在其终止之前为媒体流产生的阈值数量的质量数据记录。在这种阈值数量的质量数据记录中的每一个产生媒体流的质量差的情况下，可以判断或假设由于质量差而导致媒体流的终止。

6. 发明授权

US09148359B2 Correlation of media plane and signaling plane of media services in a packet-switched network 有权
标题翻译：媒体平面与媒体业务在分组交换网络中的信令平面的相关性
公开(公告)号：US09148359B2
公开(公告)日：2015-09-29
申请号：US13334870
申请日：2011-12-22
申请人： Michael Krüger , Hendrik Scholz
发明人： Michael Krüger , Hendrik Scholz
IPC分类号： H04L12/26 , H04L12/24 , H04L29/06
CPC分类号： H04L43/12 , H04L41/5032 , H04L43/062 , H04L43/106 , H04L43/16 , H04L65/1006
摘要： This invention relates to methods for correlating at least one media path and a signaling session of a packet-switched network and to an implementation of these methods in hardware and software. To overcoming one or more of the limitations and challenges on the correlation of signaling plane and media plane of services, the invention defines a key, which can be used for correlation of media streams and signaling sessions. The invention is based on a signaling probe identifying new services and associated media paths of the media plane by detecting their corresponding signaling sessions and determining for each service a signaling session identifier. The signaling probe registers the signaling sessions and their media paths at a correlation unit using the signaling session identifiers as a key, which allows a media probe to query the correlation unit for respective signaling session identifiers that correspond to media paths detected in the media plane traffic.
摘要翻译：本发明涉及用于将分组交换网络的至少一个媒体路径和信令会话相关联的方法以及这些方法在硬件和软件中的实现。为了克服服务的信令平面和媒体平面的相关性的一个或多个限制和挑战，本发明定义了可以用于媒体流和信令会话的相关性的密钥。本发明基于通过检测其对应的信令会话来识别媒体平面的新业务和相关联的媒体路径的信令探测，并且为每个业务确定信令会话标识符。信令探测器使用信令会话标识符作为密钥将信令会话及其媒体路径注册到相关单元，该密钥允许媒体探测器向相关单元查询对应于在媒体平面业务中检测到的媒体路径的相应信令会话标识符。

7. 发明申请

US20130329595A1 VOIP QUALITY MEASUREMENT ENHANCEMENTS USING THE INTERNET CONTROL MESSAGE PROTOCOL 有权
标题翻译：使用互联网控制消息协议的VOIP质量测量增强
公开(公告)号：US20130329595A1
公开(公告)日：2013-12-12
申请号：US14000306
申请日：2012-02-09
申请人： Hendrik Scholz
发明人： Hendrik Scholz
IPC分类号： H04L12/26
CPC分类号： H04L43/08 , H04L65/80
摘要： This invention relates to a method for enhancing the quality information of a VoIP session by deducting information from received ICMP messages, in addition to quality information already collected from media streams and/or signaling streams of the same VoIP session. ICMP messages passing on the network link are monitored and correlated with an existing and ongoing VoIP session, i.e. media stream, already monitored by a media plane monitoring unit. A data record for the media stream(s) is expanded with information from the ICMP messages, thus giving a better and more complete quality feedback of the media stream reception at the two communication endpoints.
摘要翻译：本发明涉及除已经从相同VoIP会话的媒体流和/或信令流收集的质量信息之外，通过从接收的ICMP消息中扣除信息来增强VoIP会话的质量信息的方法。在网络链路上传递的ICMP消息被监视并与已经和正在进行的VoIP会话相关联，即已经由媒体平面监视单元监视的媒体流。通过来自ICMP消息的信息来扩展用于媒体流的数据记录，从而给出在两个通信端点处的媒体流接收的更好和更完整的质量反馈。

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