TECHNOLOGY AWARE DIFFSERV MARKING
    21.
    发明申请
    TECHNOLOGY AWARE DIFFSERV MARKING 审中-公开
    技术知识DIFFSERV MARKING

    公开(公告)号:US20140321283A1

    公开(公告)日:2014-10-30

    申请号:US14364058

    申请日:2011-12-15

    摘要: The present disclosure relates to methods supporting enhanced scheduling of IP data packets originating from different radio access technologies. One aspect is a method in a node in a radio access network, said node comprising one or more radio access technology circuitry, each radio access technology circuitry serving data packet traffic according to a certain radio access technology, said method comprising marking the header of IP data packets with an identification code indicating which radio access technology that the data packets originated from, and a common Quality of Service class regardless of which radio access technology each data packet originated from and sending the data packets via a common secure tunnel. Another aspect is a method in a node comprising routing or switching functionality, the method comprising scheduling and forwarding the IP data packets according their radio access technology identification code using a preset radio access technology scheduling policy.

    摘要翻译: 本公开涉及支持来自不同无线电接入技术的IP数据分组的增强调度的方法。 一个方面是在无线电接入网络中的节点中的方法,所述节点包括一个或多个无线电接入技术电路,每个无线接入技术电路根据某种无线电接入技术服务数据分组业务,所述方法包括标记IP的报头 具有指示数据分组来自哪个无线电接入技术的识别码的数据分组以及公共服务质量类别,而不管每个数据分组从哪个无线电接入技术发起并经由公共安全隧道发送数据分组。 另一方面是包括路由或切换功能的节点中的方法,所述方法包括使用预设的无线电接入技术调度策略根据其无线接入技术标识码调度和转发IP数据分组。

    ENERGY EFFICIENT ROUTING AND SWITCHING
    22.
    发明申请
    ENERGY EFFICIENT ROUTING AND SWITCHING 审中-公开
    能源有效的路由和交换

    公开(公告)号:US20130315257A1

    公开(公告)日:2013-11-28

    申请号:US13995868

    申请日:2010-12-20

    IPC分类号: H04L12/733

    摘要: This invention relates to a method and a node for energy efficient routing and switching in a communication network. When determining the best path from an originating node to a destination node, current routing or switching protocols use route selection metrics based on the bandwidth of the link interface. Certain paths are however consuming more power that others which can result in traffic flowing over a high power consuming and long distance path, because this is the best path based on the existing metrics. The present invention overcomes this by introducing a node and a method to switch data also using energy consumption metrics. These metrics can be based on the power consumption in link interfaces, the links and in the node.

    摘要翻译: 本发明涉及通信网络中能量效率路由和交换的方法和节点。 当确定从始发节点到目的地节点的最佳路径时,当前路由或交换协议基于链路接口的带宽使用路由选择度量。 然而,某些路径消耗更多的功率,而其他路由可能导致业务流过高功耗和长距离路径,因为这是基于现有度量的最佳路径。 本发明通过引入节点和使用能量消耗度量来切换数据的方法克服了这一点。 这些度量可以基于链路接口,链路和节点中的功耗。

    Detection of Load Balancing Across Network Paths in a Communication Network
    23.
    发明申请
    Detection of Load Balancing Across Network Paths in a Communication Network 审中-公开
    检测通信网络中网络路径的负载平衡

    公开(公告)号:US20140258524A1

    公开(公告)日:2014-09-11

    申请号:US14351219

    申请日:2011-10-13

    IPC分类号: H04L12/26

    摘要: The present disclosure relates to methods, a system and an apparatus for detection of load balancing in a packet-switched communication network (10). According to an embodiment a plurality of test sessions(22, 23, 24, 25) are initiated, which differ with respect to at least one associated parameter value for a source address, a destination address, a source port, a destination port, or a protocol. Load detection in the packet-switched communication network (10) can be detected based on differences between measurement results (28) of different test sessions (22, 23, 24, 25) of the plurality of test sessions. Situations where one network path is measured, while application traffic (21) takes another unmeasured network path can be avoided by setting-up multiple simultaneous test sessions (22, 23, 24, 25) with differing parameter values such that the test sessions are routed differently by any hash algorithms(19a, 19b, 19c, 19d) used for load balancing across network paths.

    摘要翻译: 本公开涉及用于在分组交换通信网络(10)中检测负载平衡的方法,系统和装置。 根据实施例,启动多个测试会话(22,23,24,25),所述测试会话针对源地址,目的地址,源端口,目的地端口或目的地端口至少一个相关联的参数值而不同, 一个协议 可以基于多个测试会话的不同测试会话(22,23,24,25)的测量结果(28)之间的差异来检测分组交换通信网络(10)中的负载检测。 可以通过设置具有不同参数值的多个同时测试会话(22,23,24,25)来避免测试一个网络路径的情况,而应用业务(21)采用另一个未测量的网络路径,使得测试会话被路由 不同的是用于跨网络路径的负载平衡的任何散列算法(19a,19b,19c,19d)。

    POWER-SAVING FUNCTIONS IN COMMUNICATIONS NETWORKS
    24.
    发明申请
    POWER-SAVING FUNCTIONS IN COMMUNICATIONS NETWORKS 有权
    通信网络节能功能

    公开(公告)号:US20120082057A1

    公开(公告)日:2012-04-05

    申请号:US13376891

    申请日:2009-06-09

    IPC分类号: H04L12/26

    摘要: Embodiments of the present invention include a communications network using end-to-end tunnels. A control unit monitors the traffic load on at least two paths, as well as determines a power saving traffic distribution if the total traffic on the at least first and second paths if the traffic load does not exceed the capacity of both or all paths between the same end nodes. The power saving traffic distribution puts at least one of the first and second paths in a standby mode in which it carries no traffic. A command unit redirects traffic according to the power saving distribution and to order at least one network element or at least one link in the path or paths to be put in standby mode to enter into a power saving standby mode.

    摘要翻译: 本发明的实施例包括使用端到端隧道的通信网络。 控制单元监视至少两条路径上的业务负载,以及如果业务负载不超过两条或两条路径之间的两条路径或所有路径的容量,则确定节电流量分配,如果该至少第一和第二路径上的总业务量 相同的端节点。 省电流量分配使得第一和第二路径中的至少一个处于不携带业务的待机模式。 命令单元根据功率节省分配重定向流量,并且在路由或路径中至少一个网元或至少一个链路进行订购以进入待机模式进入省电待机模式。

    GLOBAL PROVISIONING OF ZERO-BANDWIDTH TRAFFIC ENGINEERING LABEL SWITCHED PATHS
    25.
    发明申请
    GLOBAL PROVISIONING OF ZERO-BANDWIDTH TRAFFIC ENGINEERING LABEL SWITCHED PATHS 有权
    零带宽交通工程标签开关板的全球规定

    公开(公告)号:US20120002550A1

    公开(公告)日:2012-01-05

    申请号:US13254871

    申请日:2009-05-14

    IPC分类号: H04L12/26

    摘要: A method of load balancing zero-bandwidth Traffic Engineering Label Switching Paths (0-bw TE LSPs) in a communication network having a plurality of network nodes and a plurality of network links connecting the nodes. The method may be implemented in a centralized Path Computation Element (PCE) or in an ingress router. Each equal cost path from a source node to a destination node is identified from network topology information. A probability of selecting each equal cost shortest path is determined using an iterative Global Load balancing Algorithm (GLA) and each 0-bw TE LSP is provisioned with a specific probability such that the 0-bw TE LSPs are uniformly distributed over all network links.

    摘要翻译: 在具有多个网络节点的通信网络和连接节点的多个网络链路的负载平衡零带宽流量工程标签交换路径(0-bw TE LSP)的方法。 该方法可以在集中式路径计算元件(PCE)或入口路由器中实现。 从源节点到目的地节点的每个相等的成本路径是从网络拓扑信息中识别出来的。 使用迭代全局负载平衡算法(GLA)确定选择每个相等成本最短路径的概率,并且以特定概率提供每个0-bw TE LSP,使得0-bw TE LSP均匀地分布在所有网络链路上。

    Global provisioning of zero-bandwidth traffic engineering label switched paths
    26.
    发明授权
    Global provisioning of zero-bandwidth traffic engineering label switched paths 有权
    零带宽流量工程标签交换路径的全局配置

    公开(公告)号:US08576720B2

    公开(公告)日:2013-11-05

    申请号:US13254871

    申请日:2009-05-14

    IPC分类号: H04W4/00 H04J3/16 H04J3/22

    摘要: A method of load balancing zero-bandwidth Traffic Engineering Label Switching Paths (0-bw TE LSPs) in a communication network having a plurality of network nodes and a plurality of network links connecting the nodes. The method may be implemented in a centralized Path Computation Element (PCE) or in an ingress router. Each equal cost path from a source node to a destination node is identified from network topology information. A probability of selecting each equal cost shortest path is determined using an iterative Global Load balancing Algorithm (GLA) and each 0-bw TE LSP is provisioned with a specific probability such that the 0-bw TE LSPs are uniformly distributed over all network links.

    摘要翻译: 在具有多个网络节点的通信网络和连接节点的多个网络链路的负载平衡零带宽流量工程标签交换路径(0-bw TE LSP)的方法。 该方法可以在集中式路径计算元件(PCE)或入口路由器中实现。 从源节点到目的地节点的每个相等的成本路径是从网络拓扑信息中识别出来的。 使用迭代全局负载平衡算法(GLA)确定选择每个相等成本最短路径的概率,并且以特定概率提供每个0-bw TE LSP,使得0-bw TE LSP均匀地分布在所有网络链路上。

    METHOD OF MERGING DISTRIBUTED HASH TABLE (DHT) RINGS IN HETEROGENEOUS NETWORK DOMAINS
    27.
    发明申请
    METHOD OF MERGING DISTRIBUTED HASH TABLE (DHT) RINGS IN HETEROGENEOUS NETWORK DOMAINS 有权
    在异构网络域中合并分布式表(DHT)环的方法

    公开(公告)号:US20120300676A1

    公开(公告)日:2012-11-29

    申请号:US13488907

    申请日:2012-06-05

    IPC分类号: H04L12/42

    摘要: A method of merging Distributed Hash Table (DHT) rings in heterogeneous network domains, where each domain includes a DHT ring. Upon determining that a node is common to first and second DHT rings on the same hierarchical level and having at least one Overlay Router in common, a link is started between a node in the first DHT ring and a node in the second DHT ring by establishing an indirect link through the common node. An indirect link is created between the first and second DHT rings, and virtual links are created to DHT rings positioned higher in the DHT ring hierarchy until all the DHT rings are merged into a single logical ring.

    摘要翻译: 在异构网络域中合并分布式散列表(DHT)环的方法,其中每个域包括DHT环。 在确定节点对于相同层级上的第一和第二DHT环并且具有共同的至少一个覆盖路由器是公共的时,通过建立在第一DHT环中的节点和第二DHT环中的节点之间的链路来启动链路 通过公共节点的间接链接。 在第一和第二DHT环之间创建间接链接,并且将虚拟链路创建为位于DHT环层级中较高的DHT环,直到所有DHT环合并为单个逻辑环。

    System, method, and router for routing data packets in an overlay network
    28.
    发明授权
    System, method, and router for routing data packets in an overlay network 有权
    系统,方法和路由器,用于在覆盖网络中路由数据包

    公开(公告)号:US08233489B2

    公开(公告)日:2012-07-31

    申请号:US12516470

    申请日:2007-11-23

    IPC分类号: H04L12/28

    摘要: A system, method, and router for routing data packets in an overlay network built over heterogeneous layer-3 domains. A link state overlay routing protocol enables an overlay router to route data packets based on flat identifiers and decides the best path to a destination taking into account a number of parameters such as round trip time. Scalability is provided by making routing decisions based on a network identifier rather than a single end-node identifier.

    摘要翻译: 一种系统,方法和路由器,用于在构建在异构层3域上的覆盖网络中路由数据包。 链路状态覆盖路由协议使得覆盖路由器能够基于平坦标识符路由数据分组,并且考虑到诸如往返时间的诸多参数来决定到目的地的最佳路径。 通过基于网络标识符而不是单个端节点标识符进行路由决定来提供可扩展性。

    METHOD AND APPARATUS FOR PATH COMPUTATION ELEMENT AND ROUTING CONTROLLER COOPERATION
    29.
    发明申请
    METHOD AND APPARATUS FOR PATH COMPUTATION ELEMENT AND ROUTING CONTROLLER COOPERATION 有权
    路径计算元件与路由控制器合作的方法与装置

    公开(公告)号:US20120163390A1

    公开(公告)日:2012-06-28

    申请号:US13394220

    申请日:2010-08-23

    IPC分类号: H04L12/56

    摘要: A system, method, and node for a Routing Controller (RC) to obtain from a Path Computation Element (PCE), network resource path metrics across a plurality of domains in a communication network in which each domain includes a plurality of Border Nodes (BNs). The RC sends to the PCE, a first message requesting a first path computation between each pair of BNs. The first message contains a maximum metric-value that a path computation must not exceed for a Path Computation Client (PCC) to consider the path computation acceptable. The RC then sends a second message requesting the PCE to compute a subsequent path computation for each BN pair for which the first path computation did not exceed the maximum metric-value. The second message contains a minimum metric-value that a path metric must exceed for the PCC to consider the path metric acceptable. The RC then receives the computed subsequent path computation.

    摘要翻译: 路由控制器(RC)的系统,方法和节点,用于从路径计算元素(PCE)获得在通信网络中的多个域中的网络资源路径度量,其中每个域包括多个边界节点(BN) )。 RC向PCE发送请求在每对BN之间进行第一路径计算的第一消息。 第一条消息包含一个路径计算不能超过路径计算客户端(PCC)的最大度量值,以考虑可接受的路径计算。 然后,RC然后发送请求PCE的第二消息,以计算第一路径计算未超过最大度量值的每个BN对的后续路径计算。 第二条消息包含路由度量值必须超过PCC以考虑可接受的路径度量的最小度量值。 RC然后接收计算的后续路径计算。

    Method and apparatus for path computation element and routing controller cooperation
    30.
    发明授权
    Method and apparatus for path computation element and routing controller cooperation 有权
    用于路径计算元素和路由控制器协作的方法和装置

    公开(公告)号:US08644325B2

    公开(公告)日:2014-02-04

    申请号:US13394220

    申请日:2010-08-23

    IPC分类号: H04L12/56

    摘要: A system, method, and node for a Routing Controller (RC) to obtain from a Path Computation Element (PCE), network resource path metrics across a plurality of domains in a communication network in which each domain includes a plurality of Border Nodes (BNs). The RC sends to the PCE, a first message requesting a first path computation between each pair of BNs. The first message contains a maximum metric-value that a path computation must not exceed for a Path Computation Client (PCC) to consider the path computation acceptable. The RC then sends a second message requesting the PCE to compute a subsequent path computation for each BN pair for which the first path computation did not exceed the maximum metric-value. The second message contains a minimum metric-value that a path metric must exceed for the PCC to consider the path metric acceptable. The RC then receives the computed subsequent path computation.

    摘要翻译: 路由控制器(RC)的系统,方法和节点,用于从路径计算元素(PCE)获得在通信网络中的多个域中的网络资源路径度量,其中每个域包括多个边界节点(BN) )。 RC向PCE发送请求在每对BN之间进行第一路径计算的第一消息。 第一条消息包含一个路径计算不能超过路径计算客户端(PCC)的最大度量值,以考虑可接受的路径计算。 然后,RC然后发送请求PCE的第二消息,以计算第一路径计算未超过最大度量值的每个BN对的后续路径计算。 第二条消息包含路由度量值必须超过PCC以考虑可接受的路径度量的最小度量值。 RC然后接收计算的后续路径计算。