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1. 发明授权

US11996984B2 Software defined network specification 有权
公开(公告)号：US11996984B2
公开(公告)日：2024-05-28
申请号：US17906370
申请日：2021-03-05
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人： Carla Di Cairano-Gilfedder , Anthony Conway , Samuel Gaffney , Gilbert Owusu
IPC分类号： H04L41/22 , H04L41/122 , H04L41/40
CPC分类号： H04L41/122 , H04L41/40
摘要： A computer implemented method to specify a software defined network (SDN) for deployment by an SDN controller, the SDN controller being adapted to configure a plurality of physical network components to deliver communication services, the method including generating a model of the physical network components by accessing each of a plurality of data sources; defining the model including an indication of a location, type and interconnections of physical components based on the data sources; associating each indication in the model with a degree of confidence of accuracy of the indication based on the degree of confidence information from the data sources; accessing a set of rules defining relationships between types of physical component; refining the model based on the rules including adjusting a degree of confidence of accuracy of indications in the model based on satisfaction of the rules; and selecting a subset of network components in the refined model for inclusion in the SDN specification.

2. 发明授权

US12072697B2 Automated device maintenance 有权
公开(公告)号：US12072697B2
公开(公告)日：2024-08-27
申请号：US17593644
申请日：2020-03-18
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人： Carla Di Cairano-Gilfedder
IPC分类号： G05B23/02 , G06N3/08
CPC分类号： G05B23/0283 , G06N3/08
摘要： A computer implemented method of scheduling maintenance tasks for a target device, the device having a unique device type, comprising: retrieving, from a sequential transactional database, a series of transactions for each of a plurality of devices having the device type, each transaction corresponding to a change of state of one of the other devices; training a recurrent neural network based on each retrieved series of transactions as a predictor of a subsequent change of state of a device having the device type; retrieving, from a sequential transactional database, a series of transactions for the target device, each transaction corresponding to a change of state of the device; predicting a next maintenance task for the target device based on the series of transactions for the target device applied to the recurrent neural network; scheduling the predicted next maintenance task for the target device.

3. 发明申请

US20150029887A1 SIGNALLING CONGESTION 有权
标题翻译：信号约束
公开(公告)号：US20150029887A1
公开(公告)日：2015-01-29
申请号：US14384097
申请日：2013-03-11
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人： Robert John Briscoe , Carla Di Cairano-Gilfedder
IPC分类号： H04L12/26
CPC分类号： H04L43/062 , H04L43/0876 , H04L47/12 , H04L47/30 , H04L47/31 , H04L47/326
摘要： Methods and apparatus are disclosed for signalling congestion being caused by data items such as packets, received at a network element such as a router, in a communications network such as the Internet, or being caused by items otherwise requiring service or capacity from a shared resource. Preferred embodiments of the method involve identifying whether or not received data items received at a network element are capable of carrying congestion indications such as ECN marks, and for those that are capable, assigning congestion indications to the data items in dependence on a queue length characterisation based on a substantially current, instantaneous measurement of the length of the queue, whereas for those that are not capable, a sanction such as dropping may be applied in dependence on a different queue length characterisation based on a weighted moving average of current, recent, and less recent measurements of the length of the queue.
摘要翻译：公开了用于信令拥塞的信令拥塞，这些数据项由例如诸如因特网的通信网络中的诸如路由器的网络元件接收的数据项，或者由另外需要来自共享资源的服务或容量的项目引起。该方法的优选实施例包括识别在网络单元处接收的接收的数据项是否能够承载诸如ECN标记的拥塞指示，并且对于那些能够根据队列长度表征向数据项分配拥塞指示基于对队列长度的基本上当前的瞬时测量，而对于那些不能执行的那些，可以根据不同的队列长度表征来应用诸如丢弃的制裁，这基于当前的加权移动平均值，以及最近对队列长度的测量。

4. 发明申请

US20230022067A1 PRIORITIZING UTILITIES INFRATRUCTURE 有权
公开(公告)号：US20230022067A1
公开(公告)日：2023-01-26
申请号：US17758391
申请日：2020-12-18
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人： Alan Gould , Anthony Conway , Carla Di Cairano-Gilfedder
IPC分类号： G06Q50/26 , G06Q10/06
摘要： A method of maintaining a plurality of infrastructure components as part of a transmission network for a utility service in a defined geographic region having associated environmental characteristics, wherein each infrastructure component is deployed at a location in the region having associated one or more location characteristics and is of a component type having associated one or more infrastructure characteristics. The method including for each infrastructure component, executing a classifier based on one or more of the infrastructure characteristics, the location characteristics, and the environmental characteristics to forecast a measure of susceptibility of the infrastructure component to one or more operational impediments. The method further includes selecting an infrastructure component based on the forecast susceptibilities and deploying one or more mitigation measures for the selected infrastructure component to mitigate one or more operational impediments to which the selected component is determined to be susceptible based on the forecast susceptibilities.

5. 发明授权

US11171855B2 Telecommunications network 有权
公开(公告)号：US11171855B2
公开(公告)日：2021-11-09
申请号：US16494179
申请日：2018-02-09
申请人： British Telecommunications Public Limited Company
发明人： Carla Di Cairano-Gilfedder , Gilbert Owusu
IPC分类号： H04L12/26 , H04L12/24
摘要： A method of dimensioning a link in a telecommunications network, and a device for implementing the method, the method including determining, for a first plurality of sets of traffic observations, wherein each set of the first plurality of sets includes a series of traffic observations each indicating the amount of traffic on a link within an observation interval of a particular duration for that set, a peak value of a traffic observation of the series of traffic observations within each set of the first plurality of sets and an average value of the series of traffic observations within each set of the first plurality of sets; calculating a first peak to average ratio for each observation interval duration based on the determined peak and average values within each set of the first plurality of sets; determining a goodness of fit value for a power function of the first peak to average ratio against its respective observation interval duration; selecting a dimensioning interval duration based on the determined goodness of fit value; and estimating a capacity of the link based on the selected dimensioning interval duration.

6. 发明授权

US09634916B2 Signalling congestion 有权
公开(公告)号：US09634916B2
公开(公告)日：2017-04-25
申请号：US14384097
申请日：2013-03-11
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人： Robert John Briscoe , Carla Di Cairano-Gilfedder
IPC分类号： H04L12/26 , H04L12/823 , H04L12/801 , H04L12/835 , H04L12/833
CPC分类号： H04L43/062 , H04L43/0876 , H04L47/12 , H04L47/30 , H04L47/31 , H04L47/326
摘要： Methods and apparatus are disclosed for signalling congestion being caused by data items such as packets, received at a network element such as a router, in a communications network such as the Internet, or being caused by items otherwise requiring service or capacity from a shared resource. Preferred embodiments of the method involve identifying whether or not received data items received at a network element are capable of carrying congestion indications such as ECN marks, and for those that are capable, assigning congestion indications to the data items in dependence on a queue length characterization based on a substantially current, instantaneous measurement of the length of the queue, whereas for those that are not capable, a sanction such as dropping may be applied in dependence on a different queue length characterization based on a weighted moving average of current, recent, and less recent measurements of the length of the queue.

7. 发明授权

US11625271B2 Network resource management 有权
公开(公告)号：US11625271B2
公开(公告)日：2023-04-11
申请号：US15571381
申请日：2016-04-29
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人： Carla Di Cairano-Gilfedder , Kjeld Jensen , Gilbert Owusu
IPC分类号： G06F9/50
摘要： A data management process determines, from user-implemented provisional reservations (400) for data processing resources, a projected total capacity requirement for each said data processing resource, by maintaining a record (9, 90, 91) recording previous such reservations made by each user and comparing each reservations with records (87, 88, 89) of the actual resources used, to provide an estimate of resources required to meet the projected capacity requirement, and to provide data for a demand management processor (2), which control associated configurable data processing equipment (1) to provide the resources required to meet the estimated capacity required. The process takes account of over- and under-ordering of capacity by comparing each reservation (400) with the use actually made (600), and includes a record (10) of ad-hoc (unreserved) usage.

8. 发明申请

US20200329383A1 SOFTWARE DEFINED NETWORK OPTIMIZATION 审中-公开
公开(公告)号：US20200329383A1
公开(公告)日：2020-10-15
申请号：US16808915
申请日：2020-03-04
申请人： British Telecommunications Public Limited Company
发明人： Andrew Starkey , Carla Di Cairano-Gilfedder , Anthony Conway
IPC分类号： H04W24/02 , H04L12/26 , G06F9/30 , G06F16/2458
摘要： A computer implemented method of optimization of a software defined network (SDN) for a network application, the SDN including an SDN controller for configuring a plurality of network components to deliver a network service for the network application, each network component having a measurable metric for each of a plurality of characteristics of the component relating to a performance of the component, the method including accessing, for each network component, a measure for each of the metrics to classify the component for a characteristic corresponding to the metric according to a fuzzy logic classification scheme; defining a plurality of configurations of network components suitable for providing the network service; and selecting a configuration of the network components to provide the network application based on an optimization function optimizing the network components in terms of classifications of each network component.

9. 发明申请

US20230021337A1 UTILITIES INFRATRUCTURE SELECTION 有权
公开(公告)号：US20230021337A1
公开(公告)日：2023-01-26
申请号：US17758392
申请日：2020-12-18
申请人： BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人： Anthony Conway , Carla Di Cairano-Gilfedder , Alan Gould
IPC分类号： G06Q50/08 , G06Q10/06 , G06Q10/04 , G06N5/02
摘要： A method of defining a deployment specification for one or more infrastructure components as part of a transmission network for a utility service in a defined geographic region includes receiving a deployment specification for each of a plurality of deployment options, each received specification including a location and type of one or more infrastructure components for deployment in the region, each type of infrastructure component having associated infrastructure characteristics, and each location having associated location characteristics. The method further includes receiving environmental characteristics for the region; executing a classifier, for each deployment specification, based on one or more of the infrastructure characteristics, the location characteristics, and the environmental characteristics to forecast a measure of susceptibility of infrastructure deployed in accordance with the specification to one or more operational impediments of the infrastructure in use; and selecting a deployment specification based on the forecast susceptibilities.

10. 发明授权

US11237862B2 Virtualized network function deployment 有权
公开(公告)号：US11237862B2
公开(公告)日：2022-02-01
申请号：US16497581
申请日：2018-03-26
申请人： British Telecommunications Public Limited Company
发明人： Anne Linet , Gilbert Owusu , Carla Di Cairano-Gilfedder , David Lesaint , Pierre Desport , Frederic Lardeux
IPC分类号： G06F9/455 , G06F9/50
摘要： A method for deploying virtualized network functions (VNFs) as virtualized implementations of logical network devices in a virtualized computing environment for providing network services, the method including determining a VNF deployment plan including a specification, for each point in time over a planning period, of zero or more VNF instances to be released at the point in time and zero or more VNF instances to be deployed at the point in time, wherein the deployment plan is determined by an optimization function based on: a constraint on a number of VNFs in all states of undeployed, being deployed, deployed and being release; constraints based on a demand for VNFs defined by characteristics of the VNFs and the virtualized computing environment; and constraints based on a capacity of the virtualized computing environment to accommodate a resource consumption of the VNFs, and wherein the optimization function is configured to minimize one or more of: a number of VNFs in a deployed state; and a resource cost of deploying and releasing VNFs; and executing the VNF deployment plan to deploy VNFs for the virtualized computing environment.

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