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1. 发明申请

WO2012032426A1 AUTOMATED TRAFFIC ENGINEERING FOR MULTI-PROTOCOL LABEL SWITCHING (MPLS) WITH LINK UTILIZATION AS FEEDBACK INTO THE TIE-BREAKING MECHANISM 审中-公开
标题翻译：用于多协议标签交换（MPLS）的自动交通工程，将链路利用作为反馈到破坏机制
公开(公告)号：WO2012032426A1
公开(公告)日：2012-03-15
申请号：PCT/IB2011/053493
申请日：2011-08-04
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , ALLAN, David Ian , MANSFIELD, Scott Andrew
发明人： ALLAN, David Ian , MANSFIELD, Scott Andrew
IPC分类号： H04L12/56
CPC分类号： H04L45/24 , H04L45/125 , H04L45/50
摘要： A method implemented in a node of a multi-protocol label switching (MPLS) network for improved load distribution, including determining a first set of one or more shortest paths between each MPLS node pair, selecting at least a first shortest path by applying the common algorithm tie-breaking process, calculating a link utilization value for each link of the MPLS network, determining a second set of one or more shortest paths between each MPLS node pair, generating a path utilization value for each shortest path in the second set of shortest paths based on link utilization values corresponding to each shortest path, and selecting a second shortest path from the second set of shortest paths on the basis of said path utilization value, whereby the selection of the second subsets in light of path utilization minimizes the standard deviation of load distribution across the entire MPLS network.
摘要翻译：一种在多协议标签交换（MPLS）网络的节点中实现的用于改进负载分布的方法，包括确定每个MPLS节点对之间的一个或多个最短路径的第一集合，通过应用所述公共端点选择至少第一最短路径算法切换过程，计算MPLS网络的每个链路的链路利用率值，确定每个MPLS节点对之间的一个或多个最短路径的第二组，为第二组最短路径中的每个最短路径生成路径利用值基于与每个最短路径对应的链路利用值的路径，以及基于所述路径利用值从所述第二组最短路径选择第二最短路径，由此根据路径利用率选择所述第二子集使得所述标准偏差最小化的整个MPLS网络的负载分配。

2. 发明申请

WO2012014100A1 NODE AND METHOD FOR COMPUTING FORWARDING TREES TO DISTRIBUTE TRAFFIC IN A NETWORK 审中-公开
标题翻译：用于计算转发网络以分配网络中的交通的节点和方法
公开(公告)号：WO2012014100A1
公开(公告)日：2012-02-02
申请号：PCT/IB2011/052849
申请日：2011-06-28
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , FARKAS, János , ALLAN, David Ian , MANSFIELD, Scott Andrew
发明人： FARKAS, János , ALLAN, David Ian , MANSFIELD, Scott Andrew
IPC分类号： H04L12/56
CPC分类号： H04L45/48 , H04L12/4625 , H04L45/12 , H04L47/125
摘要： A node (202) and a method (400, 500) are described herein for computing, forwarding trees to distribute traffic in a network (200), In addition, a network (200) is described herein that has a plurality of nodes (202) interconnected to one another by a plurality of network links (204), and each node (202) is configured to perform multiple rounds of forwarding tree computations to distribute traffic load on one or more of the network; links (204) to the other nodes (202).
摘要翻译：本文描述了节点（202）和方法（400,500），用于计算，转发树以在网络（200）中分发业务。此外，本文描述了具有多个节点（202）的网络（200））通过多个网络链路（204）彼此互连，并且每个节点（202）被配置为执行多轮转发树计算以在网络中的一个或多个上分配业务负载; 链路（204）到其他节点（202）。

3. 发明申请

WO2012056404A1 LOAD BALANCING IN SHORTEST-PATH-BRIDGING NETWORKS 审中-公开
标题翻译：最短路径网络中的负载平衡
公开(公告)号：WO2012056404A1
公开(公告)日：2012-05-03
申请号：PCT/IB2011/054769
申请日：2011-10-25
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , ALLAN, David Ian , MANSFIELD, Scott Andrew , GRAY, Eric , FARKAS, János
发明人： ALLAN, David Ian , MANSFIELD, Scott Andrew , GRAY, Eric , FARKAS, János
IPC分类号： H04L12/56
CPC分类号： H04L45/74 , H04L12/4625 , H04L45/12 , H04L45/121 , H04L45/122 , H04L45/123 , H04L45/38 , H04L45/745 , H04L47/125 , H04L47/2483
摘要： A flow classification process is used at the edge of the shortest path bridging network to determine a flow label (320) for attachment to a client frame (330) entering the network. Any of several flow labels (320) can be assigned to a client frame (330) traversing the network to a particular egress node, and the flow labels are used by forwarding nodes to select among multiple equal -cost paths. In several embodiments, the flow label is calculated as a function of the client frame contents, which provide an entropy source for randomizing the selection of the flow label. This entropy source comprises the Internet Protocol (IP) header in the client frame, in some embodiments, but may comprise other client frame content in other cases.
摘要翻译：在最短路径桥接网络的边缘处使用流分类过程来确定用于附加到进入网络的客户机帧（330）的流标签（320）。可以将多个流标签（320）中的任一个分配给穿过网络到特定出口节点的客户端帧（330），并且流标签由转发节点用于在多个相等路径中进行选择。在几个实施例中，流标签被计算为客户端帧内容的函数，其提供用于随机化流标签的选择的熵源。在一些实施例中，该熵源包括客户端帧中的因特网协议（IP）报头，但在其他情况下可包括其他客户机帧内容。

4. 发明申请

WO2012095794A1 IMPROVED SYSTEM AND METHOD FOR VARIABLE-SIZE TABLE CONSTRUCTION APPLIED TO A TABLE-LOOKUP APPROACH FOR LOAD-SPREADING IN FORWARDING DATA IN A NETWORK 审中-公开
标题翻译：用于可变尺寸表结构的改进系统和方法应用于在网络中前向数据中的负载递减的表查看方法
公开(公告)号：WO2012095794A1
公开(公告)日：2012-07-19
申请号：PCT/IB2012/050127
申请日：2012-01-10
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , ALLAN, David Ian , GRAY, Eric Ward , HALPERN, Joel , MANSFIELD, Scott Andrew
发明人： ALLAN, David Ian , GRAY, Eric Ward , HALPERN, Joel , MANSFIELD, Scott Andrew
IPC分类号： H04L12/56
CPC分类号： H04L45/38 , H04L45/245 , H04L47/125 , Y02D50/30
摘要： A network element disposed in a network, where the network element implements a process to manage load distribution across a plurality of network interfaces of the network. The network element redirects traffic flow directed toward the plurality of network interfaces in response to changes in configuration of the plurality of network interfaces, where each traffic flow is a set of protocol data units (PDUs), having an ordered delivery requirement, and where the PDUs are transmitted across the network between a source node and a destination node. The redirection process minimizes data traffic flow disruption when the load distribution is determined using a set of load distribution tables instead of a hashing algorithm.
摘要翻译：布置在网络中的网络元件，其中网络元件实现用于管理跨越网络的多个网络接口的负载分布的过程。响应于多个网络接口的配置的变化，网络元件重定向指向多个网络接口的业务流，其中每个业务流是具有有序传送要求的一组协议数据单元（PDU），并且其中 PDU在源节点和目的节点之间通过网络传输。当使用一组负载分布表而不是散列算法确定负载分布时，重定向过程可以最大限度地减少数据流量中断。

5. 发明申请

WO2013064982A1 SERVICE ASSURANCE USING NETWORK MEASUREMENT TRIGGERS 审中-公开
标题翻译：使用网络测量触发器的服务保证
公开(公告)号：WO2013064982A1
公开(公告)日：2013-05-10
申请号：PCT/IB2012/056029
申请日：2012-10-30
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
发明人： CHAKRABARTI, Samita , THYNI, Tomas , MEYER, Christoph , FRAZIER, Robert C., II , MANSFIELD, Scott Andrew
IPC分类号： H04L12/721 , H04L12/801 , H04L12/26 , H04L12/841
CPC分类号： H04L47/12 , H04L45/70 , H04L47/283
摘要： A method performed in a network element for reacting to communication performance measurements that fall outside of communication performance thresholds. The network element generates a communication performance measurement between a first endpoint and a second endpoint, wherein each endpoint is a point of communication in the network and at least the first endpoint resides on the network element. The network element retrieves a communication performance threshold and determines whether the communication performance measurement falls outside of the communication performance threshold. The network element generates a trigger associated with the communication performance measurement and the communication performance threshold when it is determined that the communication performance measurement falls outside of the communication performance threshold. The network element retrieves a registered handler associated with the generated trigger to indicate that the registered handler requires execution in response to the generated trigger and executes the registered handler.
摘要翻译：在网络元件中执行的用于响应于超出通信性能阈值的通信性能测量的方法。网络元件在第一端点和第二端点之间生成通信性能测量，其中每个端点是网络中的通信点，并且至少第一端点驻留在网络元件上。网络元件检索通信性能阈值，并确定通信性能测量是否超出通信性能阈值。当确定通信性能测量值超出通信性能阈值时，网元产生与通信性能测量和通信性能阈值相关联的触发。网络元素检索与生成的触发器相关联的注册处理程序，以指示所注册的处理程序响应于所生成的触发器而需要执行并执行注册的处理程序。

6. 发明申请

WO2014188298A1 ENCODING A PAYLOAD HASH IN THE DA-MAC TO FACILITATE ELASTIC CHAINING OF PACKET PROCESSING ELEMENTS 审中-公开
标题翻译：编码DA-MAC中的PAYLOAD HASH以便于分组处理元件的弹性链接
公开(公告)号：WO2014188298A1
公开(公告)日：2014-11-27
申请号：PCT/IB2014/061274
申请日：2014-05-07
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
发明人： ALLAN, David Ian , GRAY, Eric Ward , HALPERN, Joel , MANSFIELD, Scott Andrew
IPC分类号： H04L12/933
CPC分类号： H04L47/125 , H04L41/12 , H04L45/02 , H04L45/38 , H04L45/7453 , H04L49/15
摘要： A method is implemented in a network element of a service network. The network element executes a packet processing element (PPE) of a plurality of PPEs, where each PPE in the plurality of PPEs executes a stage of packet processing for the service network and where the plurality of PPEs are connected to one another by a plurality of switch fabrics. The PPEs self-select a subset of a set of equivalent service chains to service with each service chain defining a subset and sequence of the plurality of PPEs. Each PPE self-selects the subset of equivalent service chains to process based upon knowledge of the plurality of PPEs servicing that stage of the full set of service chains such that there is spreading of load across all available PPEs in that stage. There is no single point of failure and minimal reassignment of PPEs for a set of equivalent data flows traversing the plurality of PPEs of the service network for changes in topography of the plurality of PPEs in the service network.
摘要翻译：在服务网络的网元中实现一种方法。网络元件执行多个PPE的分组处理单元（PPE），其中多个PPE中的每个PPE执行服务网络的分组处理阶段，并且多个PPE通过多个PPE彼此连接开关面料。 PPE自选择一组等效服务链的子集，以与定义多个PPE的子集和序列的每个服务链一起服务。每个PPE根据服务于整套服务链的该阶段的多个PPE的知识来自选择等效服务链的子集，使得在该阶段中跨越所有可用PPE的负载分散。对于服务网络中的多个PPE的多个PPE的多个等效数据流，对于服务网络中的多个PPE的拓扑结构的变化，PPE没有单点故障和最小重新分配。

7. 发明申请

WO2013072253A1 DYNAMIC BANDWIDTH ADJUSTMENT IN PACKET TRANSPORT NETWORK 审中-公开
标题翻译：分组传输网络中的动态带宽调整
公开(公告)号：WO2013072253A1
公开(公告)日：2013-05-23
申请号：PCT/EP2012/072252
申请日：2012-11-09
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
发明人： ABBAS, Ghani Abdul Muttalib , MANSFIELD, Scott Andrew
IPC分类号： H04L12/70 , H04L12/801 , H04L12/723
CPC分类号： H04L47/122 , H04L41/0654 , H04L45/125 , H04L45/22 , H04L47/125 , H04L47/2408 , H04L47/746 , H04L47/762 , H04W28/0284
摘要： A method for adjusting bandwidth in a communications network having a plurality of nodes connected over multiple links with a plurality of services running on the links includes detecting an impairment of a link wherein the impairment invokes a reduction in bandwidth available to the services running on the link, communicating information about the impairment to other nodes in the network and redistributing services between the links to limit a bandwidth required by services running on the impaired link to a value not exceeding the bandwidth available on the impaired link.
摘要翻译：一种用于调整通信网络中带宽的方法，所述通信网络具有通过多个链路连接的多个节点与在所述链路上运行的多个服务连接的多个节点包括检测链路的损害，其中所述损害调用可用于在所述链路上运行的服务的可用带宽的减小向网络中的其他节点传递关于该损害的信息，并在链路之间重新分配业务，将受损链路上运行的业务所需的带宽限制在不超过受损链路可用带宽的值。

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