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1. 发明申请

US20170310598A1 E-TREE SERVICE WITH OPTIMAL FORWARDING IN EVPN 审中-公开
公开(公告)号：US20170310598A1
公开(公告)日：2017-10-26
申请号：US15647479
申请日：2017-07-12
申请人： Cisco Technology, Inc.
发明人： Sami Boutros , Ali Sajassi , Samer Salam
IPC分类号： H04L12/813 , H04L12/24 , H04L12/801 , H04L12/823 , H04L12/715 , H04L12/46 , H04L12/18 , H04L12/741 , H04L12/753 , H04L12/721
CPC分类号： H04L47/20 , H04L12/1886 , H04L12/462 , H04L41/12 , H04L45/04 , H04L45/48 , H04L45/54 , H04L45/66 , H04L47/16 , H04L47/32 , H04L47/33
摘要： In one embodiment, when an ingress provider edge (PE) device of a computer network domain receives a frame at the ingress PE device destined to a destination media access control (MAC) address, it can determine whether the frame was received on a root or leaf Ethernet ingress segment, and also whether the destination MAC address is located via a root or leaf Ethernet segment. Accordingly, the ingress PE device may either drop or forward the frame based on the ingress Ethernet segment and destination MAC address Ethernet segment being either a root or a leaf, respectively.

2. 发明授权

US09634893B2 Auto-provisioning edge devices in a communication network using control plane communications 有权
公开(公告)号：US09634893B2
公开(公告)日：2017-04-25
申请号：US14805273
申请日：2015-07-21
申请人： Cisco Technology, Inc.
发明人： Sami Boutros , Rex Fernando , Ali Sajassi , Dhananjaya Rao
IPC分类号： H04L12/28 , H04L12/24
CPC分类号： H04L41/0806 , H04L12/4633 , H04L41/0816 , H04L41/0886 , H04L41/12 , H04L41/5048 , H04L41/5054
摘要： In one embodiment, a network controller identifies a first sign of life for an edge device in a communication network (e.g., when the network controller receives an encapsulated workflow request for the edge device over a control plane of the communication network). The network controller further imports the encapsulated workflow request from the edge device over the control plane, determines configuration parameters for a tenant and a tenant network from the encapsulated workflow request, and transmits the configuration parameters to the edge device to provision the edge device for the tenant according to the configuration parameters.

3. 发明申请

US20170026461A1 INTELLIGENT LOAD BALANCER 审中-公开
标题翻译：智能负载平衡器
公开(公告)号：US20170026461A1
公开(公告)日：2017-01-26
申请号：US14809095
申请日：2015-07-24
申请人： Cisco Technology, Inc.
发明人： Sami Boutros , Rex Fernando , Muthurajah Sivabalan , Bertrand Duvivier
IPC分类号： H04L29/08 , H04L12/755 , H04L12/723 , H04L12/803
CPC分类号： H04L67/101 , H04L45/121 , H04L45/125 , H04L45/50
摘要： Systems, methods, and computer-readable media for an intelligent load balancer. In some embodiments, a system can analyze activity data for egress links associated with a network. The system can also receive a service request originating from a remote device. Next, the system can select a server in the network for receiving the service request. Based on the activity data, the system can also select an egress link from the egress links for communicating data associated with the service request from the network to a remote destination location, such as the remote device. The system can then send a signal to the selected server which can include the service request and an indication of the egress link to be used for the data associated with the service request. The system can also later change the selected egress link for the service request if the system subsequently identifies a better egress link.
摘要翻译：用于智能负载平衡器的系统，方法和计算机可读介质。在一些实施例中，系统可以分析与网络相关联的出口链路的活动数据。系统还可以接收源自远程设备的服务请求。接下来，系统可以选择网络中的服务器来接收服务请求。基于活动数据，系统还可以从出口链路选择出口链路，用于将与服务请求相关联的数据从网络传送到诸如远程设备的远程目的地位置。然后，系统可以向所选择的服务器发送信号，该服务器可以包括服务请求和用于与服务请求相关联的数据的出口链路的指示。如果系统随后识别出更好的出口链路，则系统还可以随后更改用于服务请求的所选择的出口链路。

4. 发明申请

US20160277290A1 SEGMENT ROUTING LABEL SWITCH PATHS IN NETWORK FUNCTIONS VIRTUALIZATION COMMUNICATIONS NETWORKS 有权
标题翻译：网络功能中的分段路由开关路由虚拟化通信网络
公开(公告)号：US20160277290A1
公开(公告)日：2016-09-22
申请号：US14659220
申请日：2015-03-16
申请人： CISCO TECHNOLOGY, INC.
发明人： Muthurajah Sivabalan , Sami Boutros , Clarence Filsfils , Rex Emmanuel Fernando , Lakshmi Sharma , Santiago Vazquez Freitas , Bruce McDougall , Robert Keith Fielding
IPC分类号： H04L12/723 , H04L29/12 , H04L12/911
CPC分类号： H04L45/50 , H04L47/825 , H04L61/2007
摘要： A method is provided in one example embodiment and includes receiving a request to create a path through a network, wherein the path originates on a first network device and terminates on the second network device; identifying a first controller associated with the first network device, wherein the first controller proxies control plane functions for the first network device; identifying a second controller associated with the second network device, wherein the second controller proxies control plane functions for the second network device; and computing the path using the first controller as a source and the second controller as a destination. The first controller installs the computed path on the first network device and the second controller installs the computed path on the second network device.
摘要翻译：在一个示例性实施例中提供了一种方法，并且包括接收通过网络创建路径的请求，其中所述路径起始于第一网络设备并终止于所述第二网络设备上; 识别与所述第一网络设备相关联的第一控制器，其中所述第一控制器代理所述第一网络设备的控制平面功能; 识别与所述第二网络设备相关联的第二控制器，其中所述第二控制器代理所述第二网络设备的控制平面功能; 以及使用第一控制器作为源并且将第二控制器作为目的地来计算路径。第一个控制器在第一个网络设备上安装计算的路径，第二个控制器将计算的路径安装在第二个网络设备上。

5. 发明申请

US20150092775A1 USING CONTEXT LABELS TO SCALE MAC TABLES ON COMPUTER NETWORK EDGE DEVICES 有权
标题翻译：使用上下文标签在计算机网络边缘设备上规模MAC表
公开(公告)号：US20150092775A1
公开(公告)日：2015-04-02
申请号：US14563979
申请日：2014-12-08
申请人： Cisco Technology, Inc.
发明人： Sami Boutros , Yuri Tsier , Muthurajah Sivabalan , Pradosh Mohapatra , Clarence Filsfils , John H.W. Bettink , Luca Martini
IPC分类号： H04L12/723 , H04L12/18
CPC分类号： H04L45/502 , H04L12/18 , H04L45/04
摘要： In one embodiment, an access component of a local network edge device receives traffic, and generates a frame for the traffic that includes a remote context label that identifies an access component of the remote network edge device to which the traffic is to be forwarded upon arrival at the remote network edge device, and a virtual circuit label corresponding to a particular virtual service of the traffic. The local network edge device forwards the frame towards the remote network edge device. In another embodiment, the frame may be received at a core component of the remote network edge device, an in response to the remote context label identifying an access component of the remote network edge device, forwarded to the access component, which determines the particular virtual service, and forwards the traffic from the frame out the access component towards an endpoint for the traffic.
摘要翻译：在一个实施例中，本地网络边缘设备的接入组件接收业务，并且生成包括远程上下文标签的业务的帧，所述远程上下文标签识别到达所述业务将被转发到的远程网络边缘设备的接入组件在远程网络边缘设备处，以及对应于业务的特定虚拟服务的虚拟电路标签。本地网络边缘设备将帧转发到远程网络边缘设备。在另一个实施例中，可以在远程网络边缘设备的核心组件处接收帧，响应于远程上下文标签识别远程网络边缘设备的接入组件，转发到接入组件，其确定特定虚拟服务，并将来自帧的流量从访问组件转发到流量的端点。

6. 发明授权

US10270697B2 E-TREE service with optimal forwarding in EVPN 有权
公开(公告)号：US10270697B2
公开(公告)日：2019-04-23
申请号：US15647479
申请日：2017-07-12
申请人： Cisco Technology, Inc.
发明人： Sami Boutros , Ali Sajassi , Samer Salam
IPC分类号： H04L12/24 , H04L12/813 , H04L12/823 , H04L12/801 , H04L12/18 , H04L12/715 , H04L12/46 , H04L12/721 , H04L12/741 , H04L12/753
摘要： In one embodiment, when an ingress provider edge (PE) device of a computer network domain receives a frame at the ingress PE device destined to a destination media access control (MAC) address, it can determine whether the frame was received on a root or leaf Ethernet ingress segment, and also whether the destination MAC address is located via a root or leaf Ethernet segment. Accordingly, the ingress PE device may either drop or forward the frame based on the ingress Ethernet segment and destination MAC address Ethernet segment being either a root or a leaf, respectively.

7. 发明授权

US09979629B2 Distribution of segment identifiers in network functions virtualization and software defined network environments 有权
公开(公告)号：US09979629B2
公开(公告)日：2018-05-22
申请号：US14832888
申请日：2015-08-21
申请人： CISCO TECHNOLOGY, INC.
发明人： Muthurajah Sivabalan , Sami Boutros , Peter Psenak , Rex Emmanuel Fernando , Clarence Filsfils
IPC分类号： H04L12/46 , H04L12/751 , H04L12/755 , H04L12/707 , H04L12/715
CPC分类号： H04L45/021 , H04L12/4662 , H04L45/22 , H04L45/64
摘要： A method and system are disclosed for distributing (advertising) segment identifiers in network functions virtualization and/or software defined networking environments. An exemplary method includes receiving a route advertisement that includes a prefix with a forwarding address for a first network element and receiving a segment identifier (SID) advertisement that includes a prefix SID for the prefix. The route advertisement may be received from a second network element proxying control plane functions for the first network element. Reachability information for the first network element is updated based on the route advertisement and the SID advertisement.

8. 发明授权

US09634929B2 Using context labels to scale MAC tables on computer network edge devices 有权
公开(公告)号：US09634929B2
公开(公告)日：2017-04-25
申请号：US14563979
申请日：2014-12-08
申请人： Cisco Technology, Inc.
发明人： Sami Boutros , Yuri Tsier , Muthurajah Sivabalan , Pradosh Mohapatra , Clarence Filsfils , John H. W. Bettink , Luca Martini
IPC分类号： H04L12/723 , H04L12/715 , H04L12/18
CPC分类号： H04L45/502 , H04L12/18 , H04L45/04
摘要： In one embodiment, an access component of a local network edge device receives traffic, and generates a frame for the traffic that includes a remote context label that identifies an access component of the remote network edge device to which the traffic is to be forwarded upon arrival at the remote network edge device, and a virtual circuit label corresponding to a particular virtual service of the traffic. The local network edge device forwards the frame towards the remote network edge device. In another embodiment, the frame may be received at a core component of the remote network edge device, an in response to the remote context label identifying an access component of the remote network edge device, forwarded to the access component, which determines the particular virtual service, and forwards the traffic from the frame out the access component towards an endpoint for the traffic.

9. 发明申请

US20150281096A1 E-TREE SERVICE WITH OPTIMAL FORWARDING IN EVPN 有权
标题翻译：在EVPN中进行最佳的E-TREE服务
公开(公告)号：US20150281096A1
公开(公告)日：2015-10-01
申请号：US14231853
申请日：2014-04-01
申请人： Cisco Technology, Inc.
发明人： Sami Boutros , Ali Sajassi , Samer Salam
IPC分类号： H04L12/813 , H04L12/823 , H04L12/24 , H04L12/801
CPC分类号： H04L47/20 , H04L12/1886 , H04L12/462 , H04L41/12 , H04L45/04 , H04L45/48 , H04L45/54 , H04L45/66 , H04L47/16 , H04L47/32 , H04L47/33
摘要： In one embodiment, when an ingress provider edge (PE) device of a computer network domain receives a frame at the ingress PE device destined to a destination media access control (MAC) address, it can determine whether the frame was received on a root or leaf Ethernet ingress segment, and also whether the destination MAC address is located via a root or leaf Ethernet segment. Accordingly, the ingress PE device may either drop or forward the frame based on the ingress Ethernet segment and destination MAC address Ethernet segment being either a root or a leaf, respectively.
摘要翻译：在一个实施例中，当计算机网络域的入口提供商边缘（PE）设备接收到目的地媒体访问控制（MAC）地址的入口PE设备处的帧时，它可以确定该帧是否被接收到根或者叶子以太网入口段，以及目的地MAC地址是否通过根或叶以太网段来定位。因此，入口PE设备可以基于入口以太网段和目的地MAC地址以太网段分别是根或叶来丢弃或转发帧。

10. 发明申请

US20150124606A1 Routing Packet Traffic Using Hierarchical Forwarding Groups 有权
标题翻译：使用分层转发组路由数据包流量
公开(公告)号：US20150124606A1
公开(公告)日：2015-05-07
申请号：US14070462
申请日：2013-11-01
申请人： Cisco Technology, Inc.
发明人： Santiago Alvarez , Sami Boutros
IPC分类号： H04W40/02 , H04L12/715 , H04W28/08
CPC分类号： H04W28/085 , H04L45/46
摘要： Routing packet traffic using hierarchical forwarding groups is disclosed. In an embodiment, a packet is received at a packet router. Data related to the packet is received at a first forwarding group. Based on a first forwarding policy associated with the first forwarding group, a particular second forwarding group is selected from a set of forwarding groups that are members of the first forwarding group. Each forwarding group of the set of forwarding groups that are members of the first forwarding group is associated with a unique set of paths. Data related to the packet is provided to the particular second forwarding group. Based on a second forwarding policy associated with the particular second forwarding group, a particular path is selected from a set of paths that are associated with the particular second forwarding group. The packet is forwarded to a network node via the particular path.
摘要翻译：公开了使用分层转发组来路由分组流量。在一个实施例中，在分组路由器处接收分组。与第一转发组接收到与分组相关的数据。基于与第一转发组相关联的第一转发策略，从作为第一转发组的成员的一组转发组中选择特定的第二转发组。作为第一转发组的成员的转发组集合中的每个转发组与唯一的一组路径相关联。与该分组相关的数据被提供给特定的第二转发组。基于与特定第二转发组相关联的第二转发策略，从与特定第二转发组相关联的一组路径中选择特定路径。该分组经由特定路径被转发到网络节点。

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