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    • 2. 发明申请
    • METHOD, DEVICE AND SYSTEM FOR DIAGNOSING WHETHER NODES ARE ABNORMAL IN P2P NETWORK
    • 方法,设备和系统,用于诊断P2P网络中的NODES异常
    • US20100290347A1
    • 2010-11-18
    • US12844719
    • 2010-07-27
    • Haifeng JIANGHewen ZHENGFeng LI
    • Haifeng JIANGHewen ZHENGFeng LI
    • H04L12/26
    • H04L67/104H04L43/50
    • In the field of communications, a method, device and system for diagnosing whether nodes are abnormal are provided. The method includes: sending a diagnostic message with an identifier of a message to be detected; determining whether an acknowledgement message sent from a node corresponding to the diagnostic message is received; and if the acknowledgement message is received, determining that the node is a normal node; otherwise, determining that the node is an abnormal node. A device for diagnosing whether nodes are abnormal, an intermediate node device and a system for diagnosing whether nodes are abnormal are further provided. The method, device and system have the advantage of diagnosing whether a node is abnormal and whether a node is an abnormal node.
    • 在通信领域,提供了用于诊断节点是否异常的方法,装置和系统。 该方法包括:发送具有要检测的消息的标识符的诊断消息; 确定是否接收到从所述诊断消息对应的节点发送的确认消息; 并且如果接收到确认消息,则确定该节点是正常节点; 否则,确定节点是异常节点。 还提供了用于诊断节点是否异常的装置,中间节点装置和用于诊断节点是否异常的系统。 该方法,设备和系统具有诊断节点是否异常以及节点是否为异常节点的优点。
    • 4. 发明申请
    • Method and Apparatus for Detecting and Handling Peer Faults in Peer-to-Peer Network
    • 用于检测和处理对等网络中的对等故障的方法和装置
    • US20100205481A1
    • 2010-08-12
    • US12765628
    • 2010-04-22
    • Hewen ZHENG
    • Hewen ZHENG
    • G06F11/20
    • H04L41/0677H04L67/104H04L67/1048H04L69/40
    • A method and apparatus for detecting and handling peer faults in a Peer-to-Peer network are disclosed. A peer in the P2P network receives a diagnosis request message; then detects whether a peer is faulty according to a preset fault detection method; and sends a diagnosis response message to a source peer that constructs the diagnosis request message or a peer specified by the diagnosis request message, where the diagnosis response message carries a detection result, and the detection result carries information about the faulty peer if the peer is detected as faulty. Through the technical solution under the present invention, the faults of the peers on the forwarding path in the P2P network can be detected.
    • 公开了一种用于检测和处理对等网络中的对等故障的方法和装置。 P2P网络中的对等体接收到诊断请求消息; 然后根据预设的故障检测方法检测对等体是否有故障; 并向构建诊断请求消息的源对等体发送诊断响应消息或由诊断请求消息指定的对等体,诊断响应消息携带检测结果,如果对等体为对等体,则检测结果携带有关对等体的信息 检测到错误。 通过本发明的技术方案,可以检测P2P网络中转发路径上的对等体的故障。
    • 5. 发明授权
    • Method and apparatus for detecting and handling peer faults in peer-to-peer network
    • 在对等网络中检测和处理对等故障的方法和装置
    • US08381013B2
    • 2013-02-19
    • US12765628
    • 2010-04-22
    • Hewen Zheng
    • Hewen Zheng
    • G06F11/00
    • H04L41/0677H04L67/104H04L67/1048H04L69/40
    • A method and apparatus for detecting and handling peer faults in a Peer-to-Peer network are disclosed. A peer in the P2P network receives a diagnosis request message; then detects whether a peer is faulty according to a preset fault detection method; and sends a diagnosis response message to a source peer that constructs the diagnosis request message or a peer specified by the diagnosis request message, where the diagnosis response message carries a detection result, and the detection result carries information about the faulty peer if the peer is detected as faulty. Through the technical solution under the present invention, the faults of the peers on the forwarding path in the P2P network can be detected.
    • 公开了一种用于检测和处理对等网络中的对等故障的方法和装置。 P2P网络中的对等体接收到诊断请求消息; 然后根据预设的故障检测方法检测对等体是否有故障; 并向构建诊断请求消息的源对等体发送诊断响应消息或由诊断请求消息指定的对等体,诊断响应消息携带检测结果,如果对等体为对等体,则检测结果携带有关对等体的信息 检测到错误。 通过本发明的技术方案,可以检测P2P网络中转发路径上的对等体的故障。
    • 6. 发明申请
    • CHANNEL CHANGING METHOD, APPARATUS, AND SYSTEM
    • CHANNEL CHANGING方法,设备和系统
    • US20120304236A1
    • 2012-11-29
    • US13566647
    • 2012-08-03
    • Zhigang QiuKai GuoWenle YangXia QinHewen Zheng
    • Zhigang QiuKai GuoWenle YangXia QinHewen Zheng
    • H04N21/63
    • H04N21/4384H04L65/4084H04L65/607H04L65/80H04N21/222H04N21/23614H04N21/2408H04N21/26616H04N21/4622
    • Embodiments of the present disclosure provide a channel changing method, apparatus, and system. A network side device records in real time a timestamp of a media packet of a multicast media stream which enters a buffer, and a key frame which enters the buffer; when a terminal's channel changing request has been detected, obtains a first timestamp of a media packet which enters the buffer at a channel changing request moment, and a second timestamp of a media packet in which a key frame which is of the target channel and is the last to enter the buffer is located in the media packet; determines a timestamp difference between the first timestamp and the second timestamp; and transmits the timestamp difference and a burst media stream of the target channel to the terminal. In the embodiments of the present disclosure, a delay in playing the multicast media stream by the terminal is reduced.
    • 本公开的实施例提供了一种信道改变方法,装置和系统。 网络侧设备实时记录进入缓冲器的多播媒体流的媒体分组的时间戳和进入缓冲器的关键帧; 当已经检测到终端的信道改变请求时,获取在信道改变请求时刻进入缓冲区的媒体分组的第一时间戳,以及其中存在目标信道的关键帧并且是目标信道的媒体分组的第二时间戳 最后进入缓冲区位于媒体包中; 确定所述第一时间戳和所述第二时间戳之间的时间戳差; 并将目标信道的时间戳差和突发媒体流发送到终端。 在本公开的实施例中,减少了由终端播放组播媒体流的延迟。
    • 9. 发明授权
    • Method, network node and system for suppressing lost packet retransmission
    • 用于抑制丢包重传的方法,网络节点和系统
    • US08693333B2
    • 2014-04-08
    • US13097382
    • 2011-04-29
    • Hewen ZhengYinliang HuPeilin Yang
    • Hewen ZhengYinliang HuPeilin Yang
    • H04L12/26
    • H04L1/1877H04L1/1685H04L1/1887
    • A method, a network node, and a system for suppressing lost packet retransmission are provided. The method includes: generating retransmission suppression information, in which the retransmission suppression information includes identification information of data packets requiring retransmission suppression; and transmitting the retransmission suppression information to a receiving node, in which the retransmission suppression information is used to enable the receiving node not to request retransmission when data packets corresponding to the identification information in the retransmission suppression information are lost after the receiving node receives the retransmission suppression information. The network node includes a generating module and a transmitting module. The system includes an intermediate node and a receiving node.
    • 提供了一种方法,网络节点和用于抑制丢失分组重传的系统。 该方法包括:生成重传抑制信息,其中重传抑制信息包括需要重传抑制的数据分组的识别信息; 并且在所述接收节点接收到所述重传之后丢失所述重传抑制信息的发送抑制信息被发送到接收节点,所述接收节点使用所述重传抑制信息来使得所述接收节点不重发次数, 抑制信息。 网络节点包括生成模块和发送模块。 该系统包括中间节点和接收节点。
    • 10. 发明授权
    • Channel changing method, apparatus, and system
    • 频道切换方法,装置和系统
    • US08473997B2
    • 2013-06-25
    • US13566647
    • 2012-08-03
    • Zhigang QiuKai GuoWenle YangXia QinHewen Zheng
    • Zhigang QiuKai GuoWenle YangXia QinHewen Zheng
    • H04N7/173
    • H04N21/4384H04L65/4084H04L65/607H04L65/80H04N21/222H04N21/23614H04N21/2408H04N21/26616H04N21/4622
    • Embodiments of the present disclosure provide a channel changing method, apparatus, and system. A network side device records in real time a timestamp of a media packet of a multicast media stream which enters a buffer, and a key frame which enters the buffer; when a terminal's channel changing request has been detected, obtains a first timestamp of a media packet which enters the buffer at a channel changing request moment, and a second timestamp of a media packet in which a key frame which is of the target channel and is the last to enter the buffer is located in the media packet; determines a timestamp difference between the first timestamp and the second timestamp; and transmits the timestamp difference and a burst media stream of the target channel to the terminal. In the embodiments of the present disclosure, a delay in playing the multicast media stream by the terminal is reduced.
    • 本公开的实施例提供了一种信道改变方法,装置和系统。 网络侧设备实时记录进入缓冲器的多播媒体流的媒体分组的时间戳和进入缓冲器的关键帧; 当已经检测到终端的信道改变请求时,获取在信道改变请求时刻进入缓冲区的媒体分组的第一时间戳,以及其中存在目标信道的关键帧并且是目标信道的媒体分组的第二时间戳 最后进入缓冲区位于媒体包中; 确定所述第一时间戳和所述第二时间戳之间的时间戳差; 并将目标信道的时间戳差和突发媒体流发送到终端。 在本公开的实施例中,减少了由终端播放组播媒体流的延迟。