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公开(公告)号：US20120320779A1
公开(公告)日：2012-12-20
申请号：US13579166
申请日：2011-03-16
申请人： Alan P. Smith , Arnaud Jacquet , Robert J. Briscoe , Andrea Soppera , Stephen C. Appleby , Tobias Moncaster
发明人： Alan P. Smith , Arnaud Jacquet , Robert J. Briscoe , Andrea Soppera , Stephen C. Appleby , Tobias Moncaster
IPC分类号： H04L12/26
CPC分类号： H04L47/35 , H04L47/10 , H04L47/11 , H04L47/26 , H04L47/283 , H04L47/31 , H04L2012/5629
摘要： Methods, apparatus and other means for providing path characterisation information to a data sender relating to a network characteristic such as congestion experienced by data units traversing a path across a data network from the data sender towards one of a plurality of data receivers, the data units having associated therewith information indicative of the network characteristic, the path being traversed by the data units having at least a first path portion between said data sender and a proxy node along which data units may traverse conveying a measure indicative of the network characteristic that is representable by any of a first set of codepoints, the data receivers being operable to provide data acknowledgement units in respect of data units they receive via a second path portion in which information indicative of the network characteristic may only be representable using codepoints of a second set of codepoints having less codepoints than the first set of codepoints.
摘要翻译： 用于向数据发送者提供与网络特性相关的路径表征信息的方法，装置和其他装置，例如数据单元穿过数据网络从数据发送器到多个数据接收器之一的路径所经历的拥塞，数据单元 具有指示网络特性的信息，由数据单元遍历的路径，所述数据单元具有在所述数据发送者和代理节点之间的至少第一路径部分，数据单元可沿着该代理节点传送指示可表示的网络特性的度量 通过第一组码点中的任何一个，数据接收器可操作用于经由第二路径部分提供关于它们接收的数据单元的数据确认单元，其中指示网络特性的信息仅可使用第二组码的代码点来表示 具有比第一组码点少的编码点的编码点。
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公开(公告)号：US20110016209A1
公开(公告)日：2011-01-20
申请号：US12812717
申请日：2009-01-14
IPC分类号： G06F15/16
CPC分类号： H04L47/31 , H04L43/08 , H04L43/0852 , H04L47/10 , H04L47/11 , H04L47/32 , H04L47/35 , H04L69/16 , H04L69/161 , H04L69/22 , H04L2212/00
摘要： Methods and systems for assigning information indicative of a network characteristic to one of a plurality of data units traversing a path across a network, said data units having associated therewith values indicative of said network characteristic, said path having at least one portion passing through a lower-capability region and at least one portion passing through a higher-capability region, said lower-capability region being a region in which information indicative of said network characteristic may be represented by values having a first resolution, and said higher-capability region being a region in which information indicative of said network characteristic may be represented by values having a second resolution, said second resolution being greater than said first resolution, said one data unit being a data unit entering said higher-capability region.
摘要翻译： 用于将指示网络特性的信息分配给穿过网络穿过路径的多个数据单元中的一个的方法和系统，所述数据单元具有指示所述网络特性的值，所述路径具有至少一个部分通过下一个 能力区域和通过较高能力区域的至少一个部分，所述较低能力区域是指示所述网络特性的信息可以由具有第一分辨率的值表示的区域，并且所述较高能力区域为 其中指示所述网络特性的信息可以由具有第二分辨率的值表示，所述第二分辨率大于所述第一分辨率，所述一个数据单元是进入所述较高能力区域的数据单元。
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公开(公告)号：US20120016986A1
公开(公告)日：2012-01-19
申请号：US13258291
申请日：2010-03-25
IPC分类号： G06F15/173
摘要： Apparatus and methods for policing flows of data units (15) along a path in a data network in dependence on congestion indications associated with said data units indicating whether or not said data units have experienced, or are expected to experience, congestion on the path, said apparatus and methods allowing for a high but not unlimited short-term burst rate (wST) of data units having congestion indications associated therewith, the short-term burst rate being high when compared with a long-term average rate (wLT) at which data units having congestion indications associated therewith may be forwarded without the data units being subjected to a policing action such as dropping, delaying or marking for possible sanction.
摘要翻译： 根据与所述数据单元相关联的拥塞指示，沿着数据网络中的路径来管理数据单元（15）的流的装置和方法，指示所述数据单元是否经历或预期会经历路径上的拥塞， 所述装置和方法允许具有与其相关联的拥塞指示的数据单元的高但不是无限的短期突发速率（wST），与长期平均速率（wLT）相比，短期突发速率高， 具有与其相关联的拥塞指示的数据单元可以被转发，而不会使数据单元受到诸如丢弃，延迟或标记以用于可能的制裁之类的监管动作。
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公开(公告)号：US20120008521A1
公开(公告)日：2012-01-12
申请号：US13256773
申请日：2010-03-16
IPC分类号： H04L12/26
CPC分类号： H04L12/2697 , H04L41/147 , H04L43/0864 , H04L43/087 , H04L43/50 , H04L47/10 , H04L47/11 , H04L47/12 , H04L47/193 , H04L47/26 , H04L47/30 , H04L47/35
摘要： Methods and apparatus for providing path characterisation information relating to a network characteristic such as network congestion to nodes in a data network (10) using data units being forwarded from a source (11) to a destination (19) via a plurality of nodes (15) in the network, the method comprising: receiving, at a first proxy node (13), data units from a source (11), each data unit comprising a destination indication indicative of an intended destination; identifying, in respect of an intended destination indicated, a second proxy node (17) in the network to which data units may be forwarded before being forwarded to the intended destination; and forwarding a first and at least one subsequent data unit from the first to the second proxy node via one or more intermediate nodes (15); the method further comprising assigning conditions to path characterisation metrics in respect of data units traversing a path across the network from the first to the second proxy node, the initial condition being dependent on information received by the first from the second proxy node.
摘要翻译： 使用从源（11）到目的地（19）经由多个节点（15）转发的数据单元来向数据网络（10）中的节点提供与诸如网络拥塞的网络特征有关的路径特征化信息的方法和装置 ），所述方法包括：在第一代理节点（13）处从源（11）接收数据单元，每个数据单元包括指示预期目的地的目的地指示; 针对所指示的预期目的地识别网络中的第二代理节点（17），数据单元可以在被转发到预期目的地之前被转发到该第二代理节点（17）; 以及经由一个或多个中间节点（15）从第一代理节点到第二代理节点转发第一和至少一个后续数据单元; 所述方法还包括将条件分配给穿过所述网络从第一代理节点到第二代理节点的路径的数据单元的路径特征度量，所述初始条件取决于由所述第一代理节点接收的信息。
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公开(公告)号：US20080304413A1
公开(公告)日：2008-12-11
申请号：US11795948
申请日：2006-01-31
申请人： Robert J. Briscoe , Arnaud Jacquet
发明人： Robert J. Briscoe , Arnaud Jacquet
IPC分类号： H04L12/24
CPC分类号： H04L69/16 , H04L69/161 , H04L69/163
摘要： Methods and apparatus for encoding a number of small dynamic values over an n-bit field. Also methods and apparatus allowing for the stateless extraction of separate sequences from repetitions of a single field whereby to communicate more than one signal at once.
摘要翻译： 用于在n位字段上编码多个小动态值的方法和装置。 还有一种方法和装置，允许从单个场的重复的无状态提取单独的序列，从而一次传达多于一个的信号。
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公开(公告)号：US20120120798A1
公开(公告)日：2012-05-17
申请号：US13384520
申请日：2010-07-19
IPC分类号： H04L12/26
CPC分类号： H04L47/10 , H04L43/0882 , H04L47/11 , H04L47/12 , H04L47/20 , H04L47/215 , H04L47/31 , H04L47/33 , H04L47/35 , H04L47/41 , Y02D50/30
摘要： Methods and systems for policing usage by one or more users (12) of a data network (14), said one or more users (12) being able to send, to receive, or to send and receive data over the network via one or more of a plurality of access nodes (42), the usage of the data network resulting from respective data units consuming network resources along respective paths across the data network (14), each of said data units being associated with one of a plurality of subsets of the usage of the data network, said data units having congestion indications associated therewith indicating a measure of their congestion impact.
摘要翻译： 用于管理数据网络（14）的一个或多个用户（12）的使用的方法和系统，所述一个或多个用户（12）能够经由网络经由一个或多个用户（12）发送，接收或发送和接收数据， 更多的多个接入节点（42）中，使用由相应的数据单元产生的数据网络沿着数据网络（14）上的相应路径消耗网络资源，每个所述数据单元与多个子集 所述数据单元具有与其相关联的拥塞指示，指示其拥塞影响的度量。
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公开(公告)号：US20090279433A1
公开(公告)日：2009-11-12
申请号：US12306361
申请日：2007-06-26
申请人： Robert J. Briscoe , Arnaud Jacquet
发明人： Robert J. Briscoe , Arnaud Jacquet
IPC分类号： H04L12/26
CPC分类号： H04L47/10 , H04L43/00 , H04L43/022 , H04L43/026 , H04L43/16 , H04L47/11 , H04L47/12 , H04L47/18 , H04L47/22 , H04L47/26 , H04L47/28 , H04L47/32 , H04L47/35
摘要： Methods and systems for determining a correction factor for use in monitoring network traffic, said network traffic comprising a plurality of flows of data units, each flow having associated therewith a flow identifier, said data units having associated therewith a path characterisation metric; the method comprising the steps of: selecting a subset of flow identifiers from the overall set of flow identifiers; determining, in respect of flows having associated therewith flow identifiers from said selected subset of flow identifiers, which flows if any are persistently irregular flows; determining a first measure of the total of the accumulated path characterisation metrics associated with data units of said selected subset of flows; determining a second measure indicative of the proportion of said total measure contributed by said persistently irregular flows; and determining a correction factor in dependence on the first and second measures.
摘要翻译： 用于确定用于监测网络业务的校正因子的方法和系统，所述网络业务包括多个数据单元流，每个流量与流标识符相关联，所述数据单元与其相关联地具有路径表征度量; 该方法包括以下步骤：从整个流标识符集中选择流标识符的子集; 确定关于来自所述所选择的流标识符子集的流标识符的流的流，如果有的话持续存在不规则流; 确定与所述所选择的流量子集的数据单元相关联的累积路径特征度量的总和的第一度量; 确定指示由所述持续不规则流动贡献的所述总计量的比例的第二量度; 以及根据第一和第二测量确定校正因子。
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公开(公告)号：US20080192636A1
公开(公告)日：2008-08-14
申请号：US11795949
申请日：2006-02-07
IPC分类号： H04L12/56
CPC分类号： H04L47/20 , H04L47/10 , H04L47/11 , H04L47/18 , H04L47/22 , H04L47/2425 , H04L47/283 , H04L47/31 , H04L47/32
摘要： Methods and apparatus for policing flow in a data network by determining a measure of greediness of a flow through a node, comparing said measure of greediness with a measure indicative of acceptable greediness dependent on the expected greediness of a compliant flow experiencing substantially similar path conditions, and designating the flow for possible sanction in the event that the greediness is not in accordance with said acceptable greediness. Such methods and apparatus allow for the policing of a data network wherein one or more fields in a data packet that carry information relating to a characterisation of an end-to-end path and/or a downstream path of said data packet are used in order to police said data network.
摘要翻译： 通过确定通过节点的流量的贪心度量来衡量数据网络中的流量的方法和装置，将所述贪欲度量与指示可接受的贪心度的度量进行比较，这取决于经历基本相似的路径条件的顺应流的预期贪心， 并且在贪婪不符合所述可接受的贪婪的情况下指定可能的制裁的流程。 这样的方法和装置允许对数据网络进行管理，其中数据分组中携带与数据分组的端到端路径和/或下游路径的表征有关的信息的一个或多个字段按顺序使用 警方说数据网络。
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公开(公告)号：US20140140234A1
公开(公告)日：2014-05-22
申请号：US14130153
申请日：2012-06-29
申请人： Robert J. Briscoe
发明人： Robert J. Briscoe
IPC分类号： H04L12/801
摘要： Methods and apparatus for determining measures indicative of downstream path congestion in respect of a node via which a plurality of data units are traversing an end-to-end path from a sender to a receiver, each data unit having a first indication settable in dependence on information from the receiver to each of at least two states whereby to indicate different levels of congestion experienced on the end-to-end path by data units previously received by the receiver; and a second indication settable to an initial state and to at least one updated state indicative of congestion experienced by data units on their path from the sender to said node; the method comprising receiving a plurality of said data units at said node, and determining said downstream path congestion measure in dependence on an inflation factor itself dependent on the proportion of a set of said data units whose second indication on receipt at said node is in said initial state.
摘要翻译： 用于确定指示多个数据单元经过从发送器到接收器的端到端路径的节点的下游路径拥塞的度量的方法和装置，每个数据单元具有根据 从接收机到至少两个状态中的每一个的信息，从而通过由接收机先前接收的数据单元来指示在端对端路径上经历的不同级别的拥塞; 以及第二指示，其可设置为初始状态和至少一个更新状态，指示数据单元在从发送方到所述节点的路径上经历的拥塞; 所述方法包括：在所述节点处接收多个所述数据单元，以及根据依赖于依赖于在所述节点处接收到的第二指示的所述数据单元的集合在所述节点中的所述数据单元的比例来确定所述下游路径拥塞度量 初始状态。
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公开(公告)号：USD315664S
公开(公告)日：1991-03-26
申请号：US179005
申请日：1988-04-08
申请人： Robert J. Briscoe
设计人： Robert J. Briscoe
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