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1. 发明授权

US11743172B2 Using multiple transport mechanisms to provide services at the edge of a network 有权
公开(公告)号：US11743172B2
公开(公告)日：2023-08-29
申请号：US16904390
申请日：2020-06-17
申请人： VMware, Inc.
发明人： Pierluigi Rolando , Jayant Jain , Raju Koganty , Kantesh Mundaragi , Yuxiao Zhang , Rahul Mishra , Akhila Naveen
IPC分类号： H04L45/00 , H04L47/2441 , H04L67/142 , H04L45/586 , H04L12/46 , H04L45/745 , H04L47/2408 , H04L45/02 , H04L45/12 , H04L45/24 , H04L45/302 , H04L49/20 , H04L41/0893 , H04L49/00 , H04L9/40 , H04L67/1004 , H04L47/125 , H04L67/146 , H04L41/0654 , H04L45/30 , H04L45/741 , H04L67/51 , H04L67/63 , H04L67/563 , H04L47/70
CPC分类号： H04L45/20 , H04L12/4633 , H04L12/4662 , H04L41/0654 , H04L41/0893 , H04L45/02 , H04L45/04 , H04L45/12 , H04L45/24 , H04L45/30 , H04L45/306 , H04L45/586 , H04L45/741 , H04L45/745 , H04L47/125 , H04L47/2408 , H04L47/2441 , H04L49/20 , H04L49/70 , H04L63/0272 , H04L63/164 , H04L63/306 , H04L67/1004 , H04L67/142 , H04L67/146 , H04L67/51 , H04L67/563 , H04L67/63 , H04L47/825
摘要： Some embodiments provide novel methods for providing different types of services for a logical network associated with an edge forwarding element acting between the logical network and an external network. The edge forwarding element receives data messages for forwarding and performs a service classification operation to select a set of services of a particular type for the data message. The particular type of service is one of multiple types of services that use different transport mechanisms to forward the data to a set of service nodes (e.g., service virtual machines, or service appliances, etc.) that provide the service. The edge forwarding element receives the data message after the selected set of services has been performed and performs a forwarding operation to forward the data message. In some embodiments, the method is also performed by edge forwarding elements that are at the edges of logical network segments within the logical network.

2. 发明授权

US09973349B2 Relay system and switching device 有权
公开(公告)号：US09973349B2
公开(公告)日：2018-05-15
申请号：US14951982
申请日：2015-11-25
申请人： Hitachi Metals, Ltd.
发明人： Makoto Yasuda
IPC分类号： H04L12/801 , H04L29/12 , H04L12/46 , H04W88/04
CPC分类号： H04L12/4633 , H04L12/4654 , H04L12/4658 , H04L12/4662 , H04W88/04
摘要： An encapsulation address of a first switching device is set so as to be different only in a mask bit in comparison with that of a second switching device. A learning information control unit of a third switching device does not learn the correspondence relation between a source customer address and a source encapsulation address in a first case and a second case. The first case corresponds to a case in which an encapsulated frame is received at an upper-link port and an encapsulation address corresponding to the source customer address is acquired from an address table. The second case corresponds to a case in which a difference between the source encapsulation address and the encapsulation address acquired from the address table lies only in the mask bit.

3. 发明授权

US09882788B2 Providing network services based on service mode and service type 有权
公开(公告)号：US09882788B2
公开(公告)日：2018-01-30
申请号：US15265736
申请日：2016-09-14
申请人： Extreme Networks, Inc.
发明人： Deepak Ramesh , Sudhakar Biradar
IPC分类号： G06F15/173 , H04L12/24 , H04L12/46
CPC分类号： H04L41/5051 , H04L12/4662 , H04L41/0873 , H04L41/5058
摘要： Implementations generally relate to network services. In some implementations, a method includes providing a network service having a service mode and a service type. The method further includes generating a network service advertisement message including a service identifier, a service mode portion, and a service type portion. The method further includes-forwarding the network service advertisement message from a first system to one or more other systems via a network. The method further includes-incrementing a counter corresponding to a service mode and a service type pair of each network service advertisement message having a same service identifier. The method further includes, when the counter corresponding to a service mode and a service type pair reaches a predetermined value, blocking configuration of another service having the same service identifier value, service mode and service type as that corresponding to the counter that reached the predetermined value.

4. 发明授权

US09591034B2 Method and gateway device for managing address resource 有权
标题翻译：用于管理地址资源的方法和网关设备
公开(公告)号：US09591034B2
公开(公告)日：2017-03-07
申请号：US14465263
申请日：2014-08-21
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Yong Huang , Lehong Niu , Shucheng Liu
IPC分类号： H04L29/06 , H04L12/28 , H04L29/12 , H04L12/46
CPC分类号： H04L65/102 , H04L12/2859 , H04L12/4633 , H04L12/4662 , H04L61/103 , H04L61/2015 , H04L61/2061
摘要： Embodiments of the present invention disclose a method and a gateway device for managing an address resource, which relate to the field of Internet technologies and can maximally reduce horizontal traffic between gateway devices, thereby improving system performance. The method in the present invention includes: sending an address delegation request message to a management gateway device in a same gateway group, where the management gateway device is configured to manage an address pool(s) or an address in an address pool; receiving a response message sent by the management gateway device, where the response message includes a delegated address, and the delegated address is an address in the address pool(s) managed by the management gateway device; acquiring the delegated address in the response message; and allocating an address in the delegated address to a user terminal in a same user group. The present invention is used for managing the address resource.
摘要翻译：本发明的实施例公开了一种用于管理地址资源的方法和网关设备，其涉及因特网技术领域并且可以最大程度地减少网关设备之间的横向流量，从而提高系统性能。本发明的方法包括：向相同网关组中的管理网关设备发送地址委托请求消息，其中管理网关设备被配置为管理地址池或地址池中的地址; 接收由管理网关设备发送的响应消息，其中所述响应消息包括委托地址，所述委托地址是由所述管理网关设备管理的地址池中的地址; 获取响应消息中的委托地址; 以及将委托地址中的地址分配给同一用户组中的用户终端。本发明用于管理地址资源。

5. 发明申请

US20170054626A1 DISTRIBUTION OF SEGMENT IDENTIFIERS IN NETWORK FUNCTIONS VIRTUALIZATION AND SOFTWARE DEFINED NETWORK ENVIRONMENTS 有权
标题翻译：网络功能部门标识符的分配虚拟化和软件定义的网络环境
公开(公告)号：US20170054626A1
公开(公告)日：2017-02-23
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： H04L12/755 , H04L12/707 , H04L12/46
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.
摘要翻译：公开了用于在网络功能虚拟化和/或软件定义的网络环境中分发（广告）段标识符的方法和系统。一种示例性方法包括：接收包括具有第一网络元件的转发地址的前缀的路由通告，并且接收包括前缀的前缀SID的段标识符（SID）通告。路由通告可以从第二网络元件接收用于第一网络元件的代理控制平面功能。基于路由广告和SID广告来更新第一网元的可达性信息。

6. 发明申请

US20170048361A1 CONTROL FRAME HANDLING BY A PROVIDER BACKBONE BRIDGE 审中-公开
标题翻译：控制框架由提供者背桥组织处理
公开(公告)号：US20170048361A1
公开(公告)日：2017-02-16
申请号：US15338646
申请日：2016-10-31
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
发明人： Panagiotis SALTSIDIS
IPC分类号： H04L29/06 , H04L12/46
CPC分类号： H04L69/18 , C04B28/02 , C04B40/0039 , C04B2103/52 , C04B2111/1081 , H04L12/4625 , H04L12/4633 , H04L12/4662 , H04L29/06163 , H04L49/251 , C04B22/00 , C04B2103/0086 , C04B2103/44 , C04B22/124 , C04B24/06
摘要： A method and Bridge in a Provider Backbone Bridge Network, PBBN, for enabling frames from a Higher Layer Entity attached alternatively to a Provider Instance Port on an I-Component of a Backbone Edge Bridge or to a Customer Backbone Port on a B-Component of the Backbone Edge Bridge, to reach an intended entity in the PBBN. A Virtual Instance Port Service Access Point, VIP SAP, is configured for every VIP and every Higher Layer Entity configured on the I-Component. An Enhanced VIP Port Connectivity function utilizes the VIP SAP to tunnel customer-initiated Layer 2 Control Protocols, L2CPs. A Special Multiplexed SAP handles the frames of the Higher Layer Entity, and is assigned an I-SID value that is universally recognized to identify the L2CPs. A Service Instance Multiplex Entity utilizes the Special Multiplexed SAP to transfer frames between the Provider Instance Port or the Customer Backbone Port and the entity inside the PBBN.
摘要翻译：提供者骨干桥网络（PBBN）中的方法和桥接器，用于使来自更高层实体的帧可替换地附接到骨干边缘桥的I组件上的提供者实例端口或B组件上的客户骨干端口骨干边缘桥梁，以达到PBBN中的预期实体。虚拟实例端口服务接入点VIP SAP为每个VIP和在I-Component上配置的每个更高层实体配置。增强的VIP端口连接功能使用VIP SAP来隧道客户发起的第2层控制协议L2CP。特殊的多路复用SAP处理较高层实体的帧，并分配一个普遍被识别以识别L2CP的I-SID值。服务实例复用实体利用特殊复用SAP在提供商实例端口或客户骨干端口与PBBN内的实体之间传输帧。

7. 发明授权

US09537669B2 Selective multicast 有权
标题翻译：选择性组播
公开(公告)号：US09537669B2
公开(公告)日：2017-01-03
申请号：US14927068
申请日：2015-10-29
申请人： Avaya Inc.
发明人： Gary Huie
IPC分类号： H04L12/18 , H04L12/46 , H04L12/743
CPC分类号： H04L12/1886 , H04L12/4641 , H04L12/4662 , H04L12/4679 , H04L45/7457
摘要： A method, system and computer readable medium for selective multicast processing. The method can include obtaining, using one or more processors, an association between a multicast data stream and a service identifier. The method can also include programming, using the one or more processors, a classification engine with a match that classifies a VLAN. The method can further include receiving, at the one or more processors, a data stream, and classifying, using the one or more processors, the data stream based on a mapping to a source virtual port. The method can also include deriving, using the one or more processors, a service identifier from the source virtual port.
摘要翻译：一种用于选择性组播处理的方法，系统和计算机可读介质。该方法可以包括使用一个或多个处理器来获得多播数据流和服务标识符之间的关联。该方法还可以包括使用一个或多个处理器来编程具有对VLAN进行分类的匹配的分类引擎。该方法还可以包括在一个或多个处理器处接收数据流，并且基于对源虚拟端口的映射来使用一个或多个处理器来分类数据流。该方法还可以包括从源虚拟端口导出使用一个或多个处理器的服务标识符。

8. 发明申请

US20160127151A1 MAPPING PBT AND PBB-TE TRAFFIC TO VPLS AND OTHER SERVICES 有权
标题翻译：映射PBT和PBB-TE交换VPLS和其他服务
公开(公告)号：US20160127151A1
公开(公告)日：2016-05-05
申请号：US14991862
申请日：2016-01-08
申请人： Brixham Solutions Ltd.
发明人： Norival R. Figueira , Fong Liaw , Richard D. Gitlin
IPC分类号： H04L12/46 , H04L12/723
CPC分类号： H04L12/4675 , H04L12/462 , H04L12/4654 , H04L12/4658 , H04L12/4662 , H04L45/50 , H04L45/74
摘要： Transferring data in a network is disclosed. Transferring includes receiving a Provider Backbone Transport (PBT) frame, identifying a plurality of location specific identifiers in the PBT frame, mapping the PBT frame to a service based at least in part on the plurality of location specific identifiers, formatting the PBT frame according to the service to obtain a service frame, and transferring the service frame to a network associated with the service.
摘要翻译：公开了在网络中传送数据。转移包括接收提供商骨干传输（PBT）帧，识别PBT帧中的多个位置特定标识符，至少部分地基于多个位置特定标识符将PBT帧映射到服务，根据获取服务帧的服务，以及将服务帧传送到与服务相关联的网络。

9. 发明授权

US09301193B2 Service data flow detection in a conforming 3GPP access network having a packet modification function 有权
公开(公告)号：US09301193B2
公开(公告)日：2016-03-29
申请号：US14134708
申请日：2013-12-19
申请人： MOTOROLA SOLUTIONS, INC
发明人： Scott J Pappas , Anatoly Agulnik , Robert A Fredericks , James A Marocchi , Trent J Miller , James M Nowakowski
IPC分类号： H04L12/46 , H04W28/02 , H04L12/857 , H04W28/10 , H04W12/02
CPC分类号： H04W28/0263 , H04L12/4662 , H04L47/2491 , H04W12/02 , H04W28/10
摘要： A system includes: a packet processing function and a packet modification function. The packet processing function receives a packet generated by a sending application function and destined for a receiving application function. The packet includes first identifier information, and the packet processing function adds second identifier information thereto. The packet modification function: receives the packet; alters it in a way that prevents use of the first identifier information by a 3GPP conforming service data flow detection process to map the packet to a first service data flow for the sending application function; and provides the packet to a packet routing function with the second identifier information positioned in the packet to enable the packet routing function to use the second identifier information in the 3GPP conforming service data flow detection process to map the packet to the first service data flow and to a bearer for transporting the packet.

10. 发明授权

US09083646B2 Method and apparatus for transporting Ethernet services 有权
标题翻译：传输以太网业务的方法和装置
公开(公告)号：US09083646B2
公开(公告)日：2015-07-14
申请号：US13909635
申请日：2013-06-04
申请人： RPX Clearinghouse LLC
发明人： Dinesh Mohan , Hamid Ould Brahim
IPC分类号： H04L12/26 , H04L12/723 , H04L12/28 , H04L12/46
CPC分类号： H04L45/50 , H04L12/2856 , H04L12/2859 , H04L12/4633 , H04L12/4658 , H04L12/4662
摘要： Frames of customer traffic may be encapsulated by adding Mac-in-Mac (MiM) encapsulation fields for transportation of the frames over a portion of provider network. The MiM encapsulated traffic may be further encapsulated using VPLS by adding VPLS encapsulation fields for transportation of the frames over another portion of the provider network. The MiM encapsulations use provider network_MAC addresses which enables VPLS MAC learning to occur using provider network MAC address space. MiM tunnels are mapped to VPLS service instances which are assigned pseudowire tags for transportation over the VPLS portion of provider network. The MiM header is retained when the MiM encapsulated frames are transported over the VPLS portion of the provider network. As VPLS frames exit the core network, the VPLS encapsulation fields are removed to extract the original MiM encapsulated frames for further transportation over the MiM portion of the provider network.
摘要翻译：客户流量的框架可以通过添加Mac-in-Mac（MiM）封装字段来封装，用于在提供商网络的一部分上传输帧。可以使用VPLS进一步封装MiM封装的流量，通过添加用于在提供商网络的另一部分上传输帧的VPLS封装字段。 MiM封装使用提供商network_MAC地址，这使得VPLS MAC学习能够使用提供商网络MAC地址空间进行。 MiM隧道映射到VPLS服务实例，VPLS服务实例被分配伪线标签，用于通过供应商网络的VPLS部分进行传输。当MiM封装的帧通过提供商网络的VPLS部分传输时，MiM头部被保留。由于VPLS帧离开核心网络，VPLS封装字段被删除，以提取原始的MiM封装帧，以便在提供商网络的MiM部分进一步传输。

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