公开(公告)号：US20080253299A1

公开(公告)日：2008-10-16

申请号：US11786366

申请日：2007-04-11

申请人： Gerard Damm ,  Hakki C. Cankaya ,  Timucin Ozugur

发明人： Gerard Damm ,  Hakki C. Cankaya ,  Timucin Ozugur

IPC分类号： G08C15/00

CPC分类号： H04L43/50 ,  H04L41/5003 ,  H04L43/0829 ,  H04L43/0852 ,  H04L43/087

摘要： A diagnostic tool for identifying priority errors within a data network is realized using a priority trace data packet. The priority trace data packet is originated at an originating node of interest and terminated at a terminating node of interest. At various intermediate network nodes along the data path between the originating and terminating nodes, the priority trace packet is inspected to determine the current priority value of the priority trace packet. The current priority value is stored in a priority trace field that can be analyzed by a network management node to identify one or more sources of priority errors.

摘要翻译： 使用优先级跟踪数据包实现用于识别数据网络内的优先级错误的诊断工具。 优先级跟踪数据分组起始于感兴趣的始发节点并终止于感兴趣的终止节点处。 在沿着始发节点和终止节点之间的数据路径的各个中间网络节点处，检查优先级跟踪分组，以确定优先级跟踪分组的当前优先级值。 当前优先级值存储在优先级跟踪字段中，该优先级跟踪字段可由网络管理节点分析，以识别一个或多个优先级错误源。

公开(公告)号：US20080080501A1

公开(公告)日：2008-04-03

申请号：US11536315

申请日：2006-09-28

申请人： Gerard Damm

发明人： Gerard Damm

IPC分类号： H04L12/56

CPC分类号： H04L47/10 ,  H04L43/50

摘要： Performance measurements are taken in a data network where information from a source is sent to a set of receivers via a plurality of routers using multicast addressing by generating a performance measurement packet having indicia indicating that the packet is a performance measurement packet at the source. The performance measurement packet is forwarded from the source to a subset of one or more identified receivers over the same respective paths as non-measurement packets. The performance measurement packets are received at the subset of identified receivers, but not at receivers in the set that are not part of the subset.

摘要翻译： 在数据网络中进行性能测量，其中通过生成具有指示分组是来自源的性能测量分组的标记的性能测量分组，通过多个路由器将来自源的信息发送到一组接收器。 性能测量分组通过与非测量分组相同的相应路径从源转发到一个或多个已识别接收者的子集。 性能测量分组在所识别的接收机的子集处被接收，但不在集合中不属于该子集的接收机处。

公开(公告)号：US07298728B2

公开(公告)日：2007-11-20

申请号：US10328613

申请日：2002-12-23

申请人： Prasad N. Golla ,  John Blanton ,  Gerard Damm ,  Dominique Verchere ,  Céline Haardt ,  Farid Farahmand

发明人： Prasad N. Golla ,  John Blanton ,  Gerard Damm ,  Dominique Verchere ,  Céline Haardt ,  Farid Farahmand

IPC分类号： H04B7/212

CPC分类号： H04L47/10 ,  H04B7/2045 ,  H04B7/212 ,  H04L47/30 ,  H04L47/32 ,  H04L47/50 ,  H04L47/56

摘要： A scheduling system and method operable with a burst switching element wherein control information is provided to the switching element via a separate Burst Header that precedes data bursts on ingress data channels. In one embodiment, a series of scheduling determinations are made in a select order such that packet treatment (i.e., processing for transmission, buffering, or packet dropping) is optimized with respect to packet loss and available buffer space. In another embodiment, control information received in the Burst Headers is utilized to reserve output data channel bandwidth to future incoming data packets in a forward-looking scheduling mechanism.

摘要翻译： 一种可利用突发交换元件操作的调度系统和方法，其中通过在入口数据信道上的数据突发之前的独立突发头向控制信息提供给交换元件。 在一个实施例中，以选择顺序进行一系列调度确定，使得针对分组丢失和可用缓冲区空间优化分组处理（即，用于传输，缓冲或分组丢弃的处理）。 在另一个实施例中，利用在突发报头中接收的控制信息在前瞻调度机制中将未来输入数据分组的输出数据信道带宽保留。

公开(公告)号：US20060285501A1

公开(公告)日：2006-12-21

申请号：US11383741

申请日：2006-05-16

申请人： Gerard Damm

发明人： Gerard Damm

IPC分类号： H04J1/16

CPC分类号： H04L47/20 ,  H04L41/142 ,  H04L41/5006 ,  H04L41/5087 ,  H04L41/509 ,  H04L43/067 ,  H04L43/0858 ,  H04L43/106 ,  H04L45/50 ,  H04L47/11 ,  H04L47/2425 ,  H04L47/283 ,  H04L2012/5625 ,  H04L2012/5636 ,  H04L2012/5649

摘要： Performance measurements for a network, such as delay, delay variation, and loss, are performed over layer-2. A PM frame is sent from a source MEP (Maintenance End Point) to a destination MEP. The PM frame is timestamped immediately prior to transmission, and the local clock at the destination MEP is noted immediately upon arrival. MIPs (Maintenance Intermediate Points) may also time stamp the PM frame. Preferably, each PM frame has an interval (session) identifier and a sequence number within the interval. The PM frames are received by and sent by PM modules within the nodes of the network. The PM modules include a Sender function for sending an interval of one or more PM frames and a Receiver function for receiving PM frames and computing measurements.

摘要翻译： 网络的性能测量，如延迟，延迟变化和丢失，都是通过第2层执行的。 从源MEP（维护结束点）向目的地MEP发送PM帧。 PM帧在发送之前立即被加时间戳，并且到达目的地MEP处的本地时钟立即被记录。 MIP（维护中间点）也可以对PM帧进行时间戳。 优选地，每个PM帧具有间隔（会话）标识符和间隔内的序列号。 PM帧由网络节点内的PM模块接收和发送。 PM模块包括用于发送一个或多个PM帧的间隔的发送器功能和用于接收PM帧和计算测量的接收器功能。

公开(公告)号：US20050132044A1

公开(公告)日：2005-06-16

申请号：US10733393

申请日：2003-12-12

申请人： Pierrick Guingo ,  Vincent Mouilleron ,  Arnold Jansen ,  Gerard Damm

发明人： Pierrick Guingo ,  Vincent Mouilleron ,  Arnold Jansen ,  Gerard Damm

IPC分类号： H04L12/24 ,  H04L12/26 ,  G06F15/173

CPC分类号： H04L43/106 ,  H04L41/5003 ,  H04L41/5009 ,  H04L41/5029 ,  H04L43/026 ,  H04L43/0829 ,  H04L43/0864 ,  H04L43/087 ,  H04L43/10 ,  H04L43/16 ,  Y02D50/30

摘要： A virtual router network (VRN) for performing real-time flow measurements (RTFM) is provided. The VRN effectively reduces the number of traffic metering points required thereby simplifying the aggregation and exportation of flow records to a collector. The collector may be service manager in a network management system. The metering points, in a preferred embodiment, are at virtual interfaces (VI) which are edge nodes in VRN. One of the virtual interfaces is selected as a master virtual interface and act as a collector and distributor of flow related information. In one aspect of the invention the VRN is used to provide, non-invasively, per-flow delay monitoring in a communication system.

摘要翻译： 提供了用于执行实时流量测量（RTFM）的虚拟路由器网络（VRN）。 VRN有效地减少了所需的流量计量点数，从而简化了流量记录到收集器的汇总和导出。 收集器可以是网络管理系统中的服务管理器。 在优选实施例中，计量点位于作为VRN中的边缘节点的虚拟接口（VI）。 其中一个虚拟接口被选为主虚拟接口，并充当流相关信息的收集器和分发器。 在本发明的一个方面，VRN用于在通信系统中提供非侵入式的每流延迟监控。

公开(公告)号：US20050050060A1

公开(公告)日：2005-03-03

申请号：US10648791

申请日：2003-08-27

申请人： Gerard Damm ,  Bashar Bou-Diab ,  Yuke Wang ,  Yun Zhang ,  Yiyan Tang ,  Anand Krishnamurthy ,  Lie Qian

发明人： Gerard Damm ,  Bashar Bou-Diab ,  Yuke Wang ,  Yun Zhang ,  Yiyan Tang ,  Anand Krishnamurthy ,  Lie Qian

IPC分类号： G06F17/30 ,  H04L12/56 ,  H04L29/06 ,  G06F7/00

CPC分类号： H04L45/00 ,  H04L45/308 ,  H04L45/48 ,  H04L45/742 ,  H04L63/0227 ,  H04L63/0263

摘要： A disjoint graph structure for packet classification in communication systems is presented. The disjoint graph is comprised of two types of data structures; an elementary interval tree (EIT) and a disjoint interval tree (DIT). The disjoint graph is constructed based on a range-specified rule set finding particular application in the classification of data packets. Each rule in the rule set has an equal number of fields and each field specifies a range referred to as an integer interval having a lower and an upper bound. The disjoint graph has the same number of layers as there are fields in each rule. The layers are comprised of nodes, and each node has an associated rule set selected from the range-specified rule set. The disjoint graph enables packet classification in only one pass through the tree. The EIT and DIT structures are also presented in detail.

摘要翻译： 提出了通信系统中分组分类的不相交图形结构。 不相交图由两种类型的数据结构组成; 基本间隔树（EIT）和不相交间隔树（DIT）。 基于在数据分组分类中查找特定应用的范围指定规则集来构建不相交图。 规则集中的每个规则具有相等数量的字段，并且每个字段指定被称为具有下限和上限的整数间隔的范围。 不相交图具有与每个规则中的字段相同数量的图层。 这些层由节点组成，并且每个节点具有从范围指定的规则集中选择的关联规则集。 不相交图可以仅在一次通过树中进行分组分类。 EIT和DIT结构也有详细介绍。

公开(公告)号：US20150081902A1

公开(公告)日：2015-03-19

申请号：US14388861

申请日：2013-04-10

申请人： Dominique Verchere ,  Gerard Damm

发明人： Dominique Verchere ,  Gerard Damm

IPC分类号： H04L29/08 ,  H04L12/24

CPC分类号： H04L67/148 ,  H04L41/0896 ,  H04L41/5051 ,  H04L41/5054 ,  H04L41/5077

摘要： Network service orchestrator Network service orchestrator operationally connected to a network management system, the network service orchestrator comprising a connectivity services database comprising information representing multiple connectivity services configured on a network managed by the network management system, the network service orchestrator further comprising input means for receiving service orders, processing means configured to process an orchestrator algorithm to select a set of connectivity services out of said multiple connectivity services based on said service orders, and a signal generator for generating and transmitting a signal to activate/deactivate the selected set of connectivity services on the network.

摘要翻译： 网络服务协调器网络服务协调器可操作地连接到网络管理系统，所述网络服务协调器包括连接服务数据库，所述连接服务数据库包括表示在由所述网络管理系统管理的网络上配置的多个连接性服务的信息，所述网络服务编排器还包括用于接收的输入装置 服务订单，处理装置，被配置为处理协调器算法以基于所述服务订单从所述多个连接服务中选择一组连接服务;以及信号发生器，用于生成和发送信号以激活/去激活所选择的一组连接服务 在网络上。

公开(公告)号：US08396945B2

公开(公告)日：2013-03-12

申请号：US11530531

申请日：2006-09-11

申请人： Gerard Damm ,  Timucin Ozugur

发明人： Gerard Damm ,  Timucin Ozugur

IPC分类号： G06F15/16 ,  G06F15/177 ,  G06F15/173 ,  G06F11/00 ,  G06F9/00 ,  G06F1/26

CPC分类号： H04L43/022 ,  H04L43/10 ,  H04L43/50

摘要： An operation is performed for executing a plurality of first-level queries. Execution of each first level query determines if a respective type of operational condition exists within a network. If needed due to the quantity of first-level queries, the first-level queries are executed in a sampled manner such that less than all of the first-level queries are applied to a specified collection of network elements of the network during each one of a plurality of instances of executing the first-level queries being performed and such that all of the first-level queries are applied to the specified collection of network elements in accordance with a prescribed query execution timeframe. An operation is performed for executing a second-level query in response to one of the first-level queries determining that the respective type of operational condition exists within the network. Executing the second-level query results in determination of diagnostic information specific to the determined type of operational condition.

摘要翻译： 执行用于执行多个第一级查询的操作。 每个第一级查询的执行确定网络中是否存在相应类型的操作条件。 如果需要由于第一级查询的数量，则以采样的方式执行第一级查询，使得在每一个中的每一个期间，少于所有第一级查询应用于网络的指定的网络元素集合 执行正在执行的第一级查询的多个实例，并且使得所有第一级查询根据规定的查询执行时间帧被应用于指定的网元的集合。 执行用于响应于确定网络中存在相应类型的操作条件的一级查询之一来执行二级查询的操作。 执行二级查询可以确定特定于确定的操作条件类型的诊断信息。

公开(公告)号：US08085674B2

公开(公告)日：2011-12-27

申请号：US11786366

申请日：2007-04-11

申请人： Gerard Damm ,  Hakki C. Cankaya ,  Timucin Ozugur

发明人： Gerard Damm ,  Hakki C. Cankaya ,  Timucin Ozugur

IPC分类号： H04L12/26

CPC分类号： H04L43/50 ,  H04L41/5003 ,  H04L43/0829 ,  H04L43/0852 ,  H04L43/087

摘要： A diagnostic tool for identifying priority errors within a data network is realized using a priority trace data packet. The priority trace data packet is originated at an originating node of interest and terminated at a terminating node of interest. At various intermediate network nodes along the data path between the originating and terminating nodes, the priority trace packet is inspected to determine the current priority value of the priority trace packet. The current priority value is stored in a priority trace field that can be analyzed by a network management node to identify one or more sources of priority errors.

摘要翻译： 使用优先级跟踪数据包实现用于识别数据网络内的优先级错误的诊断工具。 优先级跟踪数据分组起始于感兴趣的始发节点并终止于感兴趣的终止节点处。 在沿着始发节点和终止节点之间的数据路径的各个中间网络节点处，检查优先级跟踪分组，以确定优先级跟踪分组的当前优先级值。 当前优先级值存储在优先级跟踪字段中，该优先级跟踪字段可由网络管理节点分析以识别一个或多个优先级错误源。

公开(公告)号：US07808887B2

公开(公告)日：2010-10-05

申请号：US11466516

申请日：2006-08-23

申请人： Gerard Damm ,  Kamakshi Sridhar ,  John Coulter ,  Gino Dion

发明人： Gerard Damm ,  Kamakshi Sridhar ,  John Coulter ,  Gino Dion

IPC分类号： H04L12/28

CPC分类号： H04L45/22 ,  H04L12/4625 ,  H04L45/02 ,  H04L45/28 ,  H04L45/50

摘要： A bridge/router and method are described herein that are capable of avoiding packet replication at layer 2 where there is a failure in a network. In one embodiment, the bridge/router is informed about a fault which occurred within the network. Then, the bridge/router makes a determination about whether or not multiple LSPs would be used to flood/carry the same IP traffic out off a single port. If yes, the first bridge/router chooses one of the LSPs to carry the IP traffic out the single port and then prevents the IP traffic from being carried on the remaining LSP(s) out the single port which avoids the packet replication on a link which is associated with the single port. If no, then the first bridge/router allows the IP traffic to be carried on the LSPs out off more than one port.

摘要翻译： 这里描述了能够避免在网络中存在故障的层2处的分组复制的桥/路由器和方法。 在一个实施例中，桥接/路由器被通知在网络内发生的故障。 然后，桥/路由器确定是否将使用多个LSP来将单个端口上的相同IP流量进行泛洪/携带。 如果是，则第一个桥接器/路由器选择其中一个LSP将IP流量从单个端口携带，然后防止IP流量在单个端口上携带，从而避免链路上的数据包复制 它与单个端口相关联。 如果否，则第一个桥接器/路由器允许在多个端口上的LSP上携带IP流量。