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21. 发明授权

US09036644B2 Method of provisioning H-VPLS services in a multi-domain MPLS network 有权
标题翻译：在多域MPLS网络中提供H-VPLS业务的方法
公开(公告)号：US09036644B2
公开(公告)日：2015-05-19
申请号：US13959199
申请日：2013-08-05
申请人： ECI Telecom Ltd.
发明人： Gideon Agmon , Vadim Dukhovny
IPC分类号： H04L12/28 , H04L12/723
CPC分类号： H04L45/50 , H04L12/4633 , H04L45/68
摘要： A method is disclosed for provisioning loop free H-VPLS traffic service in a multi-domain MPLS network having interconnected domains. The method comprises: provisioning pseudo wires (PWs) for MPTMP services in each domain of the MPLS network; defining multiple Split Horizon Groups (SHGs) in the network, wherein each SHG corresponds to a domain, for the H-VPLS service traffic and for each specific node of the MPLS network, automatically assigning indications to SHG and the pseudo wires connected to the specific node, wherein the same indication is assigned to all pseudo wires belonging to the same group (SHG-N), and wherein the step of assigning is characterized in that when traffic belonging to H-VPLS service crosses a border network node located between two interconnected domains, the SHG-N indication of PWs remains the same within a VPLS domain thereby preventing the service traffic from returning to the domain of origin.
摘要翻译：公开了一种在具有互连域的多域MPLS网络中提供无循环H-VPLS业务服务的方法。该方法包括：在MPLS网络的每个域中为MPTMP业务提供伪线（PW）; 在网络中定义多个分裂视野组（SHG），其中每个SHG对应于域，对于H-VPLS服务业务，并且对于MPLS网络的每个特定节点，自动分配指示给SHG和连接到特定的节点，其中相同的指示被分配给属于同一组（SHG-N）的所有伪线，并且其中所述分配步骤的特征在于，当属于H-VPLS服务的业务跨越位于两个互连的边界网络节点域中，PW的SHG-N指示在VPLS域内保持相同，从而防止服务流量返回到原始域。

22. 发明申请

US20140204906A1 METHOD AND APPARATUS FOR PROVIDING COMMUNICATION SERVICES TO A MOVING PLATFORM 有权
标题翻译：用于向移动平台提供通信服务的方法和装置
公开(公告)号：US20140204906A1
公开(公告)日：2014-07-24
申请号：US14160826
申请日：2014-01-22
申请人： ECI Telecom Ltd.
发明人： Andrew SERGEEV , Asher BESSERGLICK , Oded MANN
IPC分类号： H04W36/18
CPC分类号： H04W36/18 , H04W28/0226 , H04W36/0027 , H04W40/36
摘要： A method and apparatus are described for providing communication services to a mobile platform while moving, wherein the mobile platform communicates along two current communication links extending between the mobile platform and two network gateways. The method comprises: setting an H-VPLS service to enable provisioning of L2 services to the moving platform via at least one of the two current communication links; enabling the moving platform to exchange communications along one or both communication links; replacing one of the two current communication links while the mobile platform is moving, with another communication link extending towards a third network gateway, by using Pseudo Wire Redundancy (PWR) to re-route traffic from the communication link being replaced to the other communication link, thereby allowing the moving platform to continue provisioning the L2 services while communicating with two network gateways, being the third network gateway and one of the former two network gateways.
摘要翻译：描述了一种用于在移动时向移动平台提供通信服务的方法和装置，其中移动平台沿着在移动平台和两个网络网关之间延伸的两个当前通信链路进行通信。该方法包括：通过两个当前通信链路中的至少一个，设置H-VPLS服务以使得能够向移动平台提供L2服务; 使移动平台能够沿着一个或两个通信链路交换通信; 通过使用伪线冗余（PWR）将来自被替换的通信链路的业务重新路由到另一个通信链路的业务，替换移动平台正在移动时的两个当前通信链路中的一个，另一个通信链路延伸到第三网络网关从而允许移动平台在与作为第三网络网关和前两个网络网关之一的两个网络网关通信的同时继续提供L2服务。

23. 发明申请

US20130188476A1 METHOD FOR PROVIDING PROTECTED CONNECTION BETWEEN L2 COMMUNICATION NETWORKS 有权
标题翻译：提供L2通信网络之间保护连接的方法
公开(公告)号：US20130188476A1
公开(公告)日：2013-07-25
申请号：US13747878
申请日：2013-01-23
申请人： ECI TELECOM LTD.
发明人： Shell NAKASH
IPC分类号： H04L12/24
CPC分类号： H04L41/0668 , H04L41/0663
摘要： A method and system are provided for connecting at least three provider peer elements PEs located in two L2 network sites, via a provider network, wherein at least in one of the L2 sites and two of the provider peer elements PEs are connected to a customer equipment CE forming together a dual homing structure. The method and system are characterized in that they rely on the use of only a single PW in the provider network that extends between PEs of the two L2 network sites while ensuring traffic protection for the PW in the provider network, and ensuring that in case of a failure of one of the PEs or its connection to the customer equipment at one of the sites, the other L2 network site remains unaware of the failure, so that once established, traffic communication over the PW is maintained like no failure has happened.
摘要翻译：提供了一种方法和系统，用于经由提供商网络连接位于两个L2网络站点中的至少三个提供商对等体元素PE，其中至少一个L2站点和两个提供商对等体元素PE连接到客户设备 CE组合双重归位结构。该方法和系统的特征在于，它们依赖于在提供商网络中仅使用在两个L2网络站点的PE之间延伸的单个PW，同时确保提供商网络中的PW的流量保护，并且确保在一个PE的故障或者其中一个站点上的客户设备的故障，另一个L2网络站点仍然不知道该故障，一旦建立，PW上的流量通信就会保持不变，没有发生故障。

24. 发明申请

US20040223210A1 Two stage optical amplifier 失效
标题翻译：双级光放大器
公开(公告)号：US20040223210A1
公开(公告)日：2004-11-11
申请号：US10864600
申请日：2004-06-10
申请人： ECI TELECOM LTD.
发明人： Idan Kaspit , Tal Muzicant
IPC分类号： H01S003/00
CPC分类号： F01D5/188 , F05D2260/22141 , H04B10/2972 , H04J14/0201
摘要： The invention describes a system of two-stage optical amplifiers adapted for inserting OADM in the mid-stage, and an integrated assembly designed for implementing the amplifiers in a way suitable for forming bi-directional configurations useful in optical networks. A so-called east-west configuration for a bi-directional transmission is described, where each direction of the optical transmission is served by the two-stage optical amplifier the 1st stage of which belongs to one integrated assembly, and the 2nd stagenullto another assembly.
摘要翻译：本发明描述了适用于在中间阶段插入OADM的两级光放大器的系统，以及被设计用于以适于形成在光网络中有用的双向配置的方式实现放大器的集成组件。描述了用于双向传输的所谓的东西配置，其中光传输的每个方向由其中第一级属于一个集成组件的两级光放大器服务，并且2 阶段 - 到另一个组件。

25. 发明申请

US20030181194A1 Signaling information compression 审中-公开
标题翻译：信令信息压缩
公开(公告)号：US20030181194A1
公开(公告)日：2003-09-25
申请号：US10368010
申请日：2003-02-19
申请人： ECI Telecom Ltd.
发明人： Oleg Litvak , Yair Hevdeli
IPC分类号： H04Q007/20
CPC分类号： H04Q3/0025
摘要： A method for compression of signaling information in a telecommunication network, the method comprising the steps of a) providing a transmission link for transmitting a transmission including signaling information from a transmitting end of the transmission to its receiving end, b) at the transmitting end, suppressing the transmission of at least some of the signaling information in accordance with a prevailing compression scheme; and c) at the receiving end, regenerating the signaling information suppressed at the transmitting end.
摘要翻译：一种用于电信网络中的信令信息的压缩的方法，所述方法包括以下步骤：a）提供传输链路，用于将包括所述传输的发送端的信令信息的传输发送到其接收端; b）在发送端，根据主要压缩方案抑制至少一些信令信息的传输; 以及c）在接收端，再生发送端抑制的信令信息。

26. 发明公开

US20240235667A1 OPTICAL COMMUNICATION NETWORK CONFIGURATION 审中-公开
公开(公告)号：US20240235667A1
公开(公告)日：2024-07-11
申请号：US18406809
申请日：2024-01-08
申请人： ECI Telecom Ltd.
发明人： INBAL HECHT , EFRAIM GELMAN , SHIREL EZRA , ZIV SHEM-TOV , HAYIM PORAT
IPC分类号： H04B10/038 , H04B10/27
CPC分类号： H04B10/038 , H04B10/27
摘要： A network management system can be configured to identify routes for satisfying a set of demands on an optical communication network using layer graph(s). The layer graph edges can have edge scores that indicate a cost of the edge. The network management system can generate the layer graph(s) using a network graph that represents the optical communication network and an associated sets of available frequency slots. The network management system can iteratively identify candidate path(s) on the layer graph(s) that correspond to each of the demands and determine a cost for each candidate path using the edge scores. In each iteration, the network management system can select the lowest cost candidate path, update the layer graph(s) based on this selection, and update the candidate paths for the remaining demands as needed. The network management system can similarly generate restoration paths for each of the demands.

27. 发明授权

US11736387B2 Systems and methods for configuring a communications network 有权
公开(公告)号：US11736387B2
公开(公告)日：2023-08-22
申请号：US17814338
申请日：2022-07-22
申请人： ECI Telecom Ltd.
发明人： Shirel Ezra , Inbal Hecht , Efraim Gelman
IPC分类号： H04L45/12 , H04L45/02 , H04L45/16
CPC分类号： H04L45/123 , H04L45/02 , H04L45/127 , H04L45/16
摘要： Systems and methods are disclosed for configuring a communications network. In disclosed embodiments, a set of permissible service link decompositions and a set of basic service links may be obtained for the communications network. A spanning subset of service links for the communications may be generated. Generation of the spanning subset may include selecting a decomposition of a first service link from a set of permissible service link decompositions; updating the set of permissible service link decompositions based on the selected decomposition; and updating the set of basic service links using the updated set of permissible service link decompositions. In some embodiments, obtaining the set of permissible service link decompositions can include generating a set of permissible service link decompositions by traversing decomposition graphs generated for each of the service links. In some embodiments, the communications network can be configured to satisfy network demands using the spanning subset.

28. 发明授权

US11621887B2 Service link grooming in data communication networks 有权
公开(公告)号：US11621887B2
公开(公告)日：2023-04-04
申请号：US16248304
申请日：2019-01-15
申请人： ECI Telecom Ltd.
发明人： Shirel Ezra , Efraim Gelman , Inbal Hecht
IPC分类号： H04L41/0813 , H04L41/12 , H04L41/0873 , H04L45/128 , H04L45/00 , H04L41/0668 , H04L41/0677 , H04L45/12 , H04L45/24 , H04L43/045 , H04L67/148
摘要： Techniques for migrating a plurality of communications services in a data communication network are disclosed. Aspects include accessing a migration map for the plurality of communications services in the data communication network; identifying a communications dependency between a first service and a second service in the plurality of communications services, wherein according to the migration map the first service is configured to migrate from a first route to a second route, the second service is configured to migrate from a third route to a fourth route, and the third route overlaps with the second route; determining, based on the identified communications dependency, a migration sequence for migrating the plurality of communications services in the data communication network; and migrating the plurality of communications services from a first plurality of configurations to a second plurality of configurations according to the migration sequence.

29. 发明申请

US20220385597A1 DYNAMIC FABRIC SYSTEM 有权
公开(公告)号：US20220385597A1
公开(公告)日：2022-12-01
申请号：US17574161
申请日：2022-01-12
申请人： ECI Telecom Ltd.
发明人： Aharon LAVON
IPC分类号： H04L49/15 , H04L49/253 , H04L49/55 , H04L41/0659
摘要： Dynamic fabric systems and methods are disclosed for providing connections between endpoints of a communication network. An exemplary dynamic fabric system can include backplane lanes, a dynamic fabric device, and a control device. The dynamic fabric device can include local fabric lanes and a network interface device configurable to communicatively connect the local fabric lanes to a network. The dynamic fabric device can also include a local switch configurable forward messages to backplane lanes and an interconnect configurable to statically connect local fabric lanes and corresponding backplane lanes. The dynamic fabric device can also include a controller configurable to create or break these static connections. The control device can provide instructions to the dynamic fabric device to create or break the static connections based on changes in the number of active dynamic fabric devices installed in the dynamic fabric system.

30. 发明授权

US11356179B2 Systems and methods for configuring a communications network 有权
公开(公告)号：US11356179B2
公开(公告)日：2022-06-07
申请号：US17248453
申请日：2021-01-25
申请人： ECI Telecom Ltd.
发明人： Shirel Ezra , Inbal Hecht , Efraim Gelman
IPC分类号： H04B10/00 , H04B10/27 , H04Q11/00 , H04B10/29 , H04B10/25 , H04J14/00
摘要： Systems and methods are disclosed for configuring a communications network. In disclosed embodiments, for a communication network comprising fiber optic cables connected by switches and transceiver-transponders, a graph representing the communication network can be obtained with edges representing the fiber optic cables, and nodes representing the switches and transceiver-transponders. A set of service links can be determined for a path in the communication network based on a set of demands for the path. Each service link can represent data transmission by one of the transceiver-transponders through one or more of the fiber optic cables connected by zero or more of the switches. Sets of service links can be iteratively selected for progressively longer initial segments of the path. When the initial segment comprises the path, the set of service links for the initial segment can be selected as the set of service links for the path.

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