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1. 发明申请

WO2017044226A1 BACKUP COMMUNICATIONS SCHEME IN COMPUTER NETWORKS 审中-公开
标题翻译：计算机网络中的备份通信方案
公开(公告)号：WO2017044226A1
公开(公告)日：2017-03-16
申请号：PCT/US2016/046096
申请日：2016-08-09
申请人： MICROSOFT TECHNOLOGY LICENSING, LLC
发明人： RATTERREE, Gary , COX, Jeff , DEGRACE, Gerald
IPC分类号： H04L29/14 , H04Q11/00
CPC分类号： H04B10/03 , H04L41/0668 , H04L41/084 , H04L45/26 , H04L69/40 , H04Q11/0005 , H04Q11/0066 , H04Q2011/0043 , H04Q2011/0081
摘要： Various techniques for managing communications backup for computer networks are disclosed herein. In one embodiment, a method includes detecting an abnormal operating condition at a primary network node, the primary network node being coupled to a computing device via a first optical connection between an optical switch and the primary network node. In response to the detected abnormal operation condition, the method includes prompting the optical switch to switch from the first optical connection to a second optical connection between the optical switch and a standby network node. The method further includes instructing the standby network node to facilitate communications with the computing device based on the replicated network configuration.
摘要翻译：本文公开了用于管理计算机网络的通信备份的各种技术。在一个实施例中，一种方法包括检测主网络节点处的异常操作状态，主网络节点经由光交换机与主网络节点之间的第一光连接耦合到计算设备。响应于检测到的异常操作条件，该方法包括提示光开关从第一光连接切换到光开关与备用网络节点之间的第二光连接。该方法还包括指示备用网络节点基于复制的网络配置来促进与计算设备的通信。

2. 发明申请

WO2016069382A1 VIRTUAL OVERLAY MOBILITY USING LABEL BASED UNDERLAY NETWORK FORWARDING 审中-公开
标题翻译：使用基于标签的底层网络进行虚拟覆盖移动
公开(公告)号：WO2016069382A1
公开(公告)日：2016-05-06
申请号：PCT/US2015/057031
申请日：2015-10-23
申请人： MICROSOFT TECHNOLOGY LICENSING, LLC
发明人： FANG, Luyuan , CHIUSSI, Fabio , GILL, Vijay , BANSAL, Deepak , COX, Jeff , ELAAWAR, Nasser , RATTERREE, Gary
IPC分类号： G06F9/48 , H04L29/06 , G06F9/455
CPC分类号： H04L63/0272 , G06F9/45558 , G06F9/4856 , G06F2009/4557
摘要： Various techniques for migrating virtual entities via a label based underlay network is disclosed herein. In one embodiment, a method includes receiving packets associated with migrating a virtual machine from an originating network node of the underlay network to a target network node of the underlay network. The received packets individually include a label associated with a network path from the originating network node to the target network node in the underlay network. In response to receiving the packets, the method includes examining the labels of the packets to determine the network paths associated the labels and forwarding the packets following the determined network paths in the underlay network.
摘要翻译：本文中公开了通过基于标签的底层网络迁移虚拟实体的各种技术。在一个实施例中，一种方法包括接收与将所述虚拟机从所述底层网络的始发网络节点迁移到所述底层网络的目标网络节点相关联的分组。所接收的分组单独地包括与从底层网络中的始发网络节点到目标网络节点的网络路径相关联的标签。响应于接收到分组，该方法包括检查分组的标签以确定与标签相关联的网络路径以及在底层网络中确定的网络路径之后转发分组。

3. 发明申请

WO2016044116A1 METHOD FOR END POINT IDENTIFICATION IN COMPUTER NETWORKS 审中-公开
标题翻译：计算机网络端点识别方法
公开(公告)号：WO2016044116A1
公开(公告)日：2016-03-24
申请号：PCT/US2015/049878
申请日：2015-09-14
申请人： MICROSOFT TECHNOLOGY LICENSING, LLC
发明人： FANG, Luyuan , COX, Jeff , ELAAWAR, Nasser , LOHER, Darren , NKPOSONG, Edet , RATTERREE, Gary , CHIUSSI, Fabio
IPC分类号： H04L12/741 , H04L12/715 , H04L12/717
CPC分类号： H04L45/72 , H04L45/04 , H04L45/42 , H04L45/583 , H04L45/586 , H04L45/64 , H04L45/74 , H04L45/745 , H04L2212/00
摘要： Various techniques for partitioning a computer network is disclosed herein. In certain embodiments, control plane functions (e.g., computation of network routes) and/or forwarding plane functions (e.g., routing, forwarding, switching) may be partitioned and performed individually on per domain basis based on (1) a network configuration of a particular domain (e.g., end points and/or lower-level domains in the particular domain); and (2) one or more higher-level domains connected to the particular domain in the hierarchy. Thus, a particular domain can manage various network operations of the domain without concerns regarding end points or network nodes in other domains of the hierarchy. Thus, network configuration and operation may be partitioned to reduce hardware costs and operational complexity even as the size of the overall computer networks increases.
摘要翻译：本文公开了用于划分计算机网络的各种技术。在某些实施例中，可以基于（1）网络配置的网络划分和执行每个域的控制平面功能（例如，网络路由的计算）和/或转发平面功能（例如，路由，转发，交换）特定域（例如，特定域中的端点和/或较低级域）; 和（2）连接到层次结构中的特定域的一个或多个更高级别的域。因此，特定的域可以管理域的各种网络操作，而不考虑层级结构的其他域中的端点或网络节点。因此，即使整个计算机网络的大小增加，也可以对网络配置和操作进行分区以降低硬件成本和操作复杂性。

4. 发明申请

WO2017011278A1 FORWARDING TABLE MANAGEMENT IN COMPUTER NETWORKS 审中-公开
标题翻译：计算机网络中的前台管理
公开(公告)号：WO2017011278A1
公开(公告)日：2017-01-19
申请号：PCT/US2016/041417
申请日：2016-07-08
申请人： MICROSOFT TECHNOLOGY LICENSING, LLC
发明人： LOHER, Darren , RATTERREE, Gary , LIU, Chen
IPC分类号： H04L12/707 , H04L12/703 , H04L12/741
CPC分类号： H04L45/54 , H04L43/0823 , H04L45/22 , H04L45/28 , H04L45/74
摘要： Various techniques for managing forwarding tables in computer networks are disclosed herein. A computer network 100 includes multiple network nodes 102a-102d interconnecting multiple endpoints 108, a route resolver 104, and a network controller 106. A method includes receiving, by the network controller 106, an indication of a network condition 122 in the computer network 100 having a network node 102b, and determining, by the network controller 106 a routing table key 124 based on the received indication of the network condition in the computing network. The routing table key corresponds to a routing table for the network node 102b that is pre- computed under the indicated network condition in the computer network. The method then includes transmitting the determined routing table key 124 to the network node 102b for routing data in the computer network, for example by retrieving a corresponding routing table from a corresponding storage device 112b to replace an existing routing table for directing traffic. The route resolver 104 can be configured to compute a set of routing tables for the network nodes 102 under various network conditions or scenarios in the computer network 100, for example, when one of the network links 114 fails; when two or more of the network links 114 fail; when one of the network nodes 102 fails; when two or more of the network nodes 102 fail; when one network node 102 fails and a network link 114 unrelated to the network node 102 also fails; or when one or more network links 114 have throughput restrictions. Thus, the pre- computed routing table corresponds to a desired pattern of network traffic in the computer network under the indicated network condition and time-consuming ad hoc computation of the routing table for the indicated network condition can be avoided. As such, network traffic in the computer network 100 can converge more quickly to the desired pattern than conventional networks.
摘要翻译：本文公开了用于管理计算机网络中的转发表的各种技术。计算机网络100包括互连多个端点108的多个网络节点102a-102d，路由解析器104和网络控制器106.一种方法包括由网络控制器106接收计算机网络100中的网络条件122的指示具有网络节点102b，并且由网络控制器106基于接收到的计算网络中的网络条件的指示来确定路由表密钥124。路由表密钥对应于在计算机网络中指示的网络条件下预先计算的网络节点102b的路由表。该方法然后包括将所确定的路由表密钥124发送到网络节点102b以用于在计算机网络中路由数据，例如通过从对应的存储设备112b检索相应的路由表来替换用于引导业务的现有路由表。路由解析器104可以被配置为在计算机网络100中的各种网络条件或场景下计算网络节点102的一组路由表，例如当网络链路114之一失败时; 当两个或多个网络链路114失败时; 当网络节点102中的一个失败时; 当两个或多个网络节点102失败时; 当一个网络节点102发生故障并且与网络节点102不相关的网络链路114也失败时; 或者当一个或多个网络链路114具有吞吐量限制时。因此，预先计算的路由表在所指示的网络条件下对应于计算机网络中期望的网络业务模式，并且可以避免所指示的网络状况的路由表的耗时特设计算。因此，计算机网络100中的网络业务可以比常规网络更快地收敛到期望的模式。

5. 发明申请

WO2016040210A1 METHOD FOR SCALABLE COMPUTER NETWORK PARTITIONING 审中-公开
标题翻译：可扩展计算机网络分析方法
公开(公告)号：WO2016040210A1
公开(公告)日：2016-03-17
申请号：PCT/US2015/048756
申请日：2015-09-07
申请人： MICROSOFT TECHNOLOGY LICENSING, LLC
发明人： FANG, Luyuan , COX, Jeff , NKPOSONG, Edet , LOHER, Darren , RATTERREE, Gary , ELAAWAR, Nasser , CHIUSSI, Fabio
IPC分类号： H04L12/715
CPC分类号： H04L45/04 , H04L45/745
摘要： Various techniques for partitioning a computer network is disclosed herein. In certain embodiments, control plane functions (e.g., computation of network routes) and/or forwarding plane functions (e.g., routing, forwarding, switching) may be partitioned and performed individually on per domain basis based on (1) a network configuration of a particular domain (e.g., end points and/or lower-level domains in the particular domain); and (2) one or more higher-level domains connected to the particular domain in the hierarchy. Thus, a particular domain can manage various network operations of the domain without concerns regarding end points or network nodes in other domains of the hierarchy. Thus, network configuration and operation may be partitioned to reduce hardware costs and operational complexity even as the size of the overall computer networks increases.
摘要翻译：本文公开了用于划分计算机网络的各种技术。在某些实施例中，可以基于（1）网络配置的网络划分和执行每个域的控制平面功能（例如，网络路由的计算）和/或转发平面功能（例如，路由，转发，交换）特定域（例如，特定域中的端点和/或较低级域）; 和（2）连接到层次结构中的特定域的一个或多个更高级别的域。因此，特定的域可以管理域的各种网络操作，而不考虑层级结构的其他域中的端点或网络节点。因此，即使整个计算机网络的大小增加，也可以对网络配置和操作进行分区以降低硬件成本和操作复杂性。

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