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    • 3. 发明申请
    • A METHOD FOR OPERATING A NETWORK AND A NETWORK
    • 一种用于操作网络和网络的方法
    • WO2011113451A1
    • 2011-09-22
    • PCT/EP2010/001744
    • 2010-03-19
    • NEC EUROPE LTD.WINTER, RolfQUITTEK, JuergenDIETZ, Thomas
    • WINTER, RolfQUITTEK, JuergenDIETZ, Thomas
    • H04L12/56
    • H04L12/5692
    • For allowing a high degree of network reliability for network elements connected to multi-homed networks by simple means a method for operating a network, especially an IP (Internet Protocol) network, is claimed, wherein a network is multi-homed by a connection to at least two further networks and wherein a network element is connected to the multi-homed network for achieving access to at least one of the further networks. The method is characterized in that a controller which is able to communicate with the network element and the multi-homed network is managing the access of the network element to one or more specific further networks based on a selection by the network element. Further, an according network is claimed, preferably for carrying out the above mentioned method.
    • 为了通过简单的方式允许连接到多宿主网络的网络元件的高度的网络可靠性,要求用于操作网络,特别是IP(因特网协议)网络的方法,其中网络被多宿主连接到 至少两个另外的网络,并且其中网络元件连接到所述多归属网络以实现对所述另外的网络中的至少一个的访问。 该方法的特征在于,能够与网元和多归属网络通信的控制器基于网元的选择来管理网元对一个或多个特定另外的网络的访问。 此外,要求保护网络,优选地用于执行上述方法。
    • 6. 发明申请
    • METHOD FOR OPERATING A FLOW-BASED SWITCHING SYSTEM AND SWITCHING SYSTEM
    • 用于操作基于流量的开关系统和切换系统的方法
    • WO2012126488A1
    • 2012-09-27
    • PCT/EP2011/001480
    • 2011-03-24
    • NEC EUROPE LTD.DIETZ, ThomasD'HEUREUSE, NicoKOLBE, Hans-Joerg
    • DIETZ, ThomasD'HEUREUSE, NicoKOLBE, Hans-Joerg
    • H04L12/56H04L12/26
    • H04L45/38H04L43/0817H04L45/02H04L45/125H04L45/127H04L45/28H04L45/54H04L45/64Y02D50/30
    • A method for operating a flow-based switching system in a network, including at least one network node designed to transport incoming network packets, in particular a switch (20) or a router, wherein said incoming network packets are matched to flows according to predefined policies, wherein a dynamic flow table (40) - primary flow table (50) - containing information about said flows' properties is computed inside said network node or externally and stored in a memory of said network node, is characterized in that another dynamic flow table (40) - backup flow table (60) - is computed and maintained in parallel, wherein said backup flow table (60) is more coarse grained than said primary flow table (50), and wherein said network node switches between employing said primary flow table (50) or said backup flow table (60) depending on the status of predefined observables. Furthermore, a corresponding flow-based switching system is disclosed.
    • 一种用于在网络中操作基于流的交换系统的方法,包括至少一个设计用于传送传入网络分组的网络节点,特别是交换机(20)或路由器,其中所述传入网络分组根据预定义的流 策略,其中包含关于所述流的属性的信息的动态流表(40) - 主流表(50)在所述网络节点内或外部计算并存储在所述网络节点的存储器中,其特征在于另一个动态流 表(40) - 备用流表(60) - 被并行计算和维护,其中所述备份流表(60)比所述主流表(50)更粗粒度,并且其中所述网络节点在采用所述主流 流表(50)或所述备用流表(60),这取决于预定义的可观测量的状态。 此外,公开了相应的基于流的交换系统。