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    • 1. 发明申请
    • INTEFERENCE COGNIZANT NETWORK SCHEDULING
    • 综合认证网络调度
    • US20160294697A1
    • 2016-10-06
    • US14676464
    • 2015-04-01
    • Honeywell International Inc.
    • Srivatsan VaradarajanBrendan HallWilliam Todd SmithgallTed BonkBenjamin F. DeLay
    • H04L12/801H04L12/863H04L12/841
    • H04L47/12H04L12/4015H04L12/64H04L12/6418H04L47/28H04L47/50H04L2012/4028H04L2012/6451H04L2012/6454
    • Systems and methods for interference cognizant network scheduling are provided. In certain embodiments, a method of scheduling communications in a network comprises identifying a bin of a global timeline for scheduling an unscheduled virtual link, wherein a bin is a segment of the timeline; identifying a pre-scheduled virtual link in the bin; and determining if the pre-scheduled and unscheduled virtual links share a port. In certain embodiments, if the unscheduled and pre-scheduled virtual links don't share a port, scheduling transmission of the unscheduled virtual link to overlap with the scheduled transmission of the pre-scheduled virtual link; and if the unscheduled and pre-scheduled virtual links share a port: determining a start time delay for the unscheduled virtual link based on the port; and scheduling transmission of the unscheduled virtual link in the bin based on the start time delay to overlap part of the scheduled transmission of the pre-scheduled virtual link.
    • 提供了干扰识别网络调度的系统和方法。 在某些实施例中,调度网络中的通信的方法包括:识别用于调度非调度虚拟链路的全局时间线的一个bin,其中一个bin是时间线的一个段; 识别所述箱中的预定虚拟链路; 以及确定所述预先调度和未调度的虚拟链路是否共享端口。 在某些实施例中,如果非预定和预先计划的虚拟链路不共享端口,则调度未调度的虚拟链路的传输以与预先调度的虚拟链路的调度传输重叠; 以及如果所述非预定和预先计划的虚拟链路共享端口:基于所述端口确定所述非调度虚拟链路的开始时间延迟; 以及基于所述开始时间延迟来调度所述存储器中的所述未调度的虚拟链路的传输,以重叠所述预先调度的虚拟链路的所述调度的传输的一部分。
    • 2. 发明授权
    • Automatic discovery and enforcement of service level agreement settings
    • 自动发现和执行服务级别协议设置
    • US08917596B2
    • 2014-12-23
    • US13606135
    • 2012-09-07
    • Steve Rochon
    • Steve Rochon
    • G01R31/08H04L12/28
    • H04L41/5025H04L41/0681H04L41/5009H04L41/5058H04L43/024H04L43/0829H04L43/0888H04L47/21H04L47/22H04L47/225H04L47/2425H04L47/29H04L2012/6454
    • A method of automatically detecting the service level agreement settings in an Ethernet virtual circuit (EVC) carrying user packets comprises generating synthetic packets different from the user packets, on a data path in the EVC at a level sufficiently high to saturate the EVC. This accelerates the detection of actual effective values for the Committed Information Rate (CIR) and the Excess Information Rate (EIR) by triggering traffic shaping devices in the data path to enforce the CIR and EIR settings configured for those devices. A plurality of traffic samples are collected from the data path during a sampling period that is long enough to allow the collection of at least two valid traffic samples, where a valid traffic sample is the amount of user packets measured between two consecutive losses of synthetic packets. The CIR and EIR values enforced by the traffic shaping devices are determined from the collected samples.
    • 一种自动检测承载用户分组的以太网虚拟电路(EVC)中的服务水平协议设置的方法包括:在EVC的数据路径上以不足于使EVC饱和的水平生成与用户分组不同的合成分组。 这可以通过触发数据路径中的流量整形设备来加速对承诺信息速率(CIR)和超量信息速率(EIR)的实际有效值的检测,以强制为这些设备配置的CIR和EIR设置。 在采样周期内从数据路径收集多个业务样本,其长度足以允许收集至少两个有效业务样本,其中有效业务采样是在两个连续丢失的合成分组之间测量的用户分组量 。 由流量整形设备实施的CIR和EIR值由收集的样本确定。
    • 3. 发明授权
    • System and method for transmitting real-time-critical and non-real-time-critical data in a distributed, industrial automation system
    • 在分布式工业自动化系统中传输实时关键数据和非实时关键数据的系统和方法
    • US08064482B2
    • 2011-11-22
    • US12243906
    • 2008-10-01
    • Karl-Heinz Krause
    • Karl-Heinz Krause
    • H04J3/16H04J3/22H04J3/00
    • H04L12/6418H04L2012/6454H04L2012/6462
    • A system and a method provides both for a real-time-critical communication and a non-real-time-critical communication in a switched data network consisting of users and switching units, for example a distributed automation system, by means of a cyclic operation. In a so-called transmission cycle (12), there exists for all users and switching units of the switched data network in each case at least one section (13) for transmitting real-time-critical data and at least one section (14) for transmitting non-real-time-critical data, as a result of which the real-time-critical communication is separated from the non-real-time-critical communication. Since all users and switching units are always synchronized to a common time base, the respective sections for transmitting data in each case take place at the same time for all users and switching units, i.e. the real-time-critical communication takes place independently in time from the non-real-time-critical communication and is, therefore, not influenced by the latter.
    • 系统和方法通过循环操作为包括用户和交换单元(例如分布式自动化系统)的交换数据网络中的实时关键通信和非实时关键通信提供 。 在所谓的传输周期(12)中,切换数据网络的所有用户和切换单元在每种情况下都存在用于发送实时关键数据的至少一个部分(13)和至少一个部分(14) 用于发送非实时关键数据,其结果是实时关键通信与非实时关键通信分离。 由于所有用户和交换单元总是与公共时基同步,所以用于每种情况下发送数据的各个部分同时针对所有用户和交换单元进行,即实时关键通信在时间上独立进行 从非实时关键的沟通,因此不受后者的影响。
    • 6. 再颁专利
    • Network link endpoint capability detection
    • 网络链路端点能力检测
    • USRE39405E1
    • 2006-11-21
    • US09443250
    • 1999-11-12
    • Brian C. EdemDebra J. Worsley
    • Brian C. EdemDebra J. Worsley
    • H04L12/413
    • H04L12/6418H04L12/44H04L29/06H04L49/351H04L69/18H04L69/323H04L2012/6437H04L2012/6451H04L2012/6454H04L2012/6459
    • Support for a mixed network environment is provided which can contain multiple isochronous and/or non-isochronous LAN protocols such as isochronous-ethernet, ethernet, isochronous-token ring, token ring, other isochronous-LAN or other LAN systems. Support for a mixed environment includes a protocol detection mechanism which is embodied in a handshaking scheme. This handshaking scheme determines the signalling capability at the end points of the link and implements the correct protocol. This enables isochronous nodes and hubs to automatically detect the presence of ethernet, token ring, or other LAN equipment at the other end of the network cable. If this detection occurs, the isochronous LAN equipment will fall-back to a LAN compliant mode of operation. Typically, only the hub will have the capability of operating in different networking modes, such as ethernet, Token Ring isochronous modes. The hub will listen for some form of identification from the attached nodes as to the type of service to provide—isochronous or non-isochronous; ethernet, token ring or other LAN service.
    • 提供对混合网络环境的支持,其可以包含多个等时和/或非等时LAN协议,诸如等时以太网,以太网,等时令牌环,令牌环,其他同步LAN或其他LAN系统。 对混合环境的支持包括以握手方式体现的协议检测机制。 该握手方案确定链路端点的信令能力,并实现正确的协议。 这使得同步节点和集线器能够自动检测网络电缆另一端的以太网,令牌环或其他LAN设备的存在。 如果发生此检测,同步LAN设备将落后于LAN兼容操作模式。 通常,只有集线器将具有在不同组网模式下运行的能力,例如以太网,令牌环等时模式。 集线器将从连接的节点监听某种形式的标识,以提供提供同步或非同步的服务类型; 以太网,令牌环或其他LAN服务。
    • 7. 发明授权
    • Method to ensure the quality of preferred communication services, a local network, a station, a local network controller and a program module therefor
    • 确保首选通信业务质量的方法,本地网络,站点,本地网络控制器及其程序模块
    • US07110418B2
    • 2006-09-19
    • US10101322
    • 2002-03-20
    • Luc AttimontJannick Bodin
    • Luc AttimontJannick Bodin
    • H04L12/413
    • H04L12/40169H04L12/413H04L12/6418H04L47/10H04L47/12H04L47/24H04L2012/6454H04L2012/6464H04M7/006
    • The invention relates to a method to ensure the quality of preferred (communications) services, especially voice services, in a local data network with different types of services, where data congestion or data collision on a shared transmission medium is treated by a collision detection method and by application of re-transmission rules after detection of data collisions, wherein depending on the type of service, the corresponding data packets are subject to different re-transmission rules and wherein the different re-transmission rules each define a set of different parameters for an algorithm to randomly calculate the backoff time, that a station has to wait after a collision detection, before it re-transmits a data packet affected by the collision, the different sets of parameters comprising each at least the mean of said backoff time, as well as to a local network, a station, a local network controller and a program module therefor.
    • 本发明涉及一种确保在具有不同类型业务的本地数据网络中的优选(通信)业务,特别是语音业务的质量的方法,其中共享传输介质上的数据拥塞或数据冲突由冲突检测方法 并且在检测到数据冲突之后通过应用重传规则,其中根据服务类型,相应的数据分组经受不同的重传规则,并且其中不同的重传规则各自定义一组不同的参数,用于 一种随机计算退避时间的算法,即在碰撞检测之前,站必须等待重新发送受冲突影响的数据包之前,至少包括所述退避时间的平均值的不同参数集合作为 以及本地网络,站,本地网络控制器及其程序模块。
    • 10. 发明授权
    • Synchronized transport across non-synchronous networks
    • 跨同步网络的同步传输
    • US06747996B2
    • 2004-06-08
    • US09732213
    • 2000-12-07
    • John T. HollowayMatthew James FischerJason Alexander Trachewsky
    • John T. HollowayMatthew James FischerJason Alexander Trachewsky
    • H04J306
    • H04J3/0664H04L12/2854H04L2012/6454H04L2012/6481
    • A method of providing for synchronizing one or more synchronous terminals with one or more synchronous endpoints, each synchronous terminal and each synchronous endpoint having an asynchronous communications network coupled between at least one synchronous terminal and at least one synchronous endpoint. A synchronization protocol is established between a synchronous terminal and a synchronous end point by providing a gateway between the asynchronous communications network and the synchronous end point, the gateway communicating with the synchronous terminal over the asynchronous communications network in accordance with the synchronization protocol. The synchronization protocol includes sending a message from the gateway to the synchronous terminal, the message containing a timestamp identifying a clock associated with the synchronous end point. The synchronous terminal establishes a clock associated with the synchronous terminal by creating a clock estimate based upon the timestamp message and access jitter expected from the asynchronous communications network such that the clock associated with the synchronous terminal enables packet sampling and transmission onto the asynchronous communications network to and from the synchronous terminal to be synchronized with the clock associated with the synchronous end point.
    • 一种提供使一个或多个同步终端与一个或多个同步端点同步的方法,每个同步终端和每个同步端点具有耦合在至少一个同步终端与至少一个同步端点之间的异步通信网络。 通过在异步通信网络和同步端点之间提供网关,网关根据同步协议通过异步通信网络与同步终端进行通信,在同步终端和同步终点之间建立同步协议。 同步协议包括从网关向同步终端发送消息,该消息包含标识与同步终点相关联的时钟的时间戳。 同步终端通过基于从异步通信网络预期的时间戳消息和接入抖动创建时钟估计来建立与同步终端相关联的时钟,使得与同步终端相关联的时钟使得能够将数据包采样和传输到异步通信网络上 并且从同步终端与与同步终点相关联的时钟同步。