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21. 发明申请

WO2020245770A1 TRACEABILITY BASED IMPACT ANALYSIS 审中-公开
公开(公告)号：WO2020245770A1
公开(公告)日：2020-12-10
申请号：PCT/IB2020/055288
申请日：2020-06-04
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , HASSANE, Omar , MUSTAFIZ, Sadaf , KHENDEK, Ferhat , TOEROE, Maria
发明人： HASSANE, Omar , MUSTAFIZ, Sadaf , KHENDEK, Ferhat , TOEROE, Maria
IPC分类号： G06F8/35 , G06F8/70
摘要： The disclosure relates to a method, system and computer readable media for redesigning and redeploying a network service (NS) upon determining that a running instance of the NS fails to meet at least one NS requirement. The method comprises detecting a change in at least one input model of a NS design; executing a traceability analysis for the change in the at least one input model of the NS design; and upon determining, based on the traceability analysis, that the NS fails to meet the at least one NS requirement, redesigning and redeploying the NS.

22. 发明申请

WO2019243953A1 REDUCING A TEST SUITE FOR RE-TESTING CONFIGURED INSTANCES IN A PRODUCTION ENVIRONMENT 审中-公开
公开(公告)号：WO2019243953A1
公开(公告)日：2019-12-26
申请号：PCT/IB2019/054874
申请日：2019-06-11
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , TOEROE, Maria , JEBBAR, Oussama , SAIED, Mohamed Aymen , KHENDEK, Ferhat
发明人： TOEROE, Maria , JEBBAR, Oussama , SAIED, Mohamed Aymen , KHENDEK, Ferhat
IPC分类号： G06F11/36
摘要： A system configuration is validated in a production environment using test cases selected from a test suite, which has validated a first configuration of the system in a development environment. In response to a change in environments, a reduced set of requirements is formed by removing one or more requirements from a set of requirements against which the first configuration is validated. The removed requirements include environment agnostic requirements. The removing is based on at least a classification of configuration parameters, and a first relation between the requirements and the configuration parameters. A reduced test suite is formed by selecting, from the test suite, the test cases that test the system against the reduced set of requirements. The reduced test suite is applied to a second configuration of the system to validate that the system operates in compliance with the set of requirements in the production environment.

23. 发明申请

WO2019102379A1 METHOD FOR MITIGATING THE IMPACT OF NETWORK FUNCTION VIRTUALIZATION INFRASTRUCTURE (NFVI) SOFTWARE MODIFICATIONS ON VIRTUALIZED NETWORK FUNCTIONS (VNFS) 审中-公开
公开(公告)号：WO2019102379A1
公开(公告)日：2019-05-31
申请号：PCT/IB2018/059188
申请日：2018-11-21
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , TOEROE, Maria
发明人： TOEROE, Maria
IPC分类号： G06F9/50 , G06F8/656
CPC分类号： G06F9/5077 , G06F8/656
摘要： The disclosure relates to a method, executed by a NFVI Software Modification Manager, for coordination of Network Function Virtualization Infrastructure (NFVI) software modification. The method comprises identifying a Virtualized Resource (VR) impacted by the NFVI software modification; notifying a VNF-level Manager responsible for the coordination for the VR that the NFVI software modification is about to start; starting a timer with a lead time; upon expiry of the lead time, proceeding with the NFVI software modification; and notifying the VNF-level Manager that the NFVI software modification is completed. The disclosure also relates to a corresponding method executed by a Virtualized Network Function (VNF)-level Manager, as well as network nodes implementing these methods.

24. 发明申请

WO2017130030A1 ROLLING UPGRADE WITH DYNAMIC BATCH SIZE 审中-公开
标题翻译：滚动升级动态批量大小
公开(公告)号：WO2017130030A1
公开(公告)日：2017-08-03
申请号：PCT/IB2016/050474
申请日：2016-01-29
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , NABI, Mina , TOEROE, Maria , KHENDEK, Ferhat
发明人： NABI, Mina , TOEROE, Maria , KHENDEK, Ferhat
IPC分类号： G06F9/445 , G06F9/50
CPC分类号： G06F8/656 , G06F9/5083 , G06F2209/5019
摘要： A system is upgraded by rolling upgrade with dynamic batch sizes in multiple iterations. The system includes multiple hosts that host multiple resources. The rolling upgrade calculates a number of hosts to upgrade and a number of resources to upgrade for each iteration. The calculation subtracts a reserved number of hosts from a capacity of the system to account for potential failover and potential resource scaling operations during the iteration. Based on the calculated number of hosts to upgrade, it is determined whether the system has a capacity for upgrade. If the capacity exists, the calculated number of hosts to upgrade and the calculated number of resources to upgrade are upgraded, while accepting resource scaling requests during the iteration.
摘要翻译：
系统通过动态批量滚动升级进行多次迭代升级。该系统包含承载多个资源的多个主机。滚动升级会计算要升级的主机数量以及每次迭代需要升级的大量资源。该计算从系统容量中减去预留的主机数量，以考虑在迭代期间潜在的故障转移和潜在的资源缩放操作。根据计算的升级主机数量，确定系统是否具有升级容量。如果容量存在，则升级计算的升级主机数量和计算的升级资源数量，同时在迭代过程中接受资源扩展请求。

25. 发明申请

WO2017046630A1 RUNTIME ADJUSTMENT OF CONFIGURATION MODELS FOR CONSISTENCY PRESERVATION 审中-公开
标题翻译：对一致性保存的配置模型的运行调整
公开(公告)号：WO2017046630A1
公开(公告)日：2017-03-23
申请号：PCT/IB2015/057099
申请日：2015-09-15
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , JAHANBANIFAR, Azadeh , TOEROE, Maria , KHENDEK, Ferhat
发明人： JAHANBANIFAR, Azadeh , TOEROE, Maria , KHENDEK, Ferhat
IPC分类号： G06F9/445 , G06F9/44 , G06F9/50
CPC分类号： G06F9/5061 , G06F8/656
摘要： A system performs runtime adjustment of a configuration model. The system receives, at runtime, a change request directed at one or more modified entities in the configuration model. Based on leadership information, one or more infringing entities are identified among the one or more modified entities. The leadership information indicates an impact that one entity has on another entity with respect to a given constraint. Based on the leadership information, a propagation scope is identified for a constraint violated by an infringing entity. The propagation scope includes the infringing entity and other entities that are potentially affected by the request. For resolving single constraint violation, a collection of paths are created in the propagation scope and a path is selected one at a time starting from the shortest path in the collection. For resolving multiple constraint violation, a bonded path is formed for a group of propagation scopes that overlap.
摘要翻译：系统执行配置模型的运行时调整。系统在运行时接收针对配置模型中的一个或多个修改实体的改变请求。根据领导信息，在一个或多个修改后的实体中识别出一个或多个侵权实体。领导信息指示一个实体对另一个实体对于给定约束的影响。根据领导信息，针对侵权实体违反的约束，确定传播范围。传播范围包括可能受到请求影响的侵权实体和其他实体。为了解决单个约束违规，在传播范围中创建路径集合，并从集合中的最短路径开始一次选择一个路径。为了解决多个约束冲突，为重叠的一组传播范围形成一个绑定路径。

26. 发明申请

WO2015110867A1 A PATTERN BASED CONFIGURATION METHOD FOR MINIMIZING THE IMPACT OF COMPONENT FAILURES 审中-公开
标题翻译：用于最小化组件故障影响的基于模式的配置方法
公开(公告)号：WO2015110867A1
公开(公告)日：2015-07-30
申请号：PCT/IB2014/058504
申请日：2014-01-23
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , TOEROE, Maria , POURALI, Parsa
发明人： TOEROE, Maria , POURALI, Parsa
IPC分类号： G06F9/445
CPC分类号： G06F11/142 , G06F8/60 , G06F9/44505 , G06F2201/805 , G06F2201/85
摘要： A configuration is generated for a software that is to be deployed for providing high service availability to satisfy configuration requirements. One or more configuration patterns are identified, each of which specifies a set of attribute values and an actual recovery action for a failed component as a configuration option of the software. The unchangeable attribute values of the software are matched with the configuration patterns to obtain a matching configuration pattern, whose actual recovery action incurs a smallest component failure recovery impact zone. The matching configuration pattern is selected as at least a portion of the configuration of the software. Then the changeable attribute values of the software are set to the corresponding attribute values of the matching configuration pattern to satisfy the configuration requirements.
摘要翻译：为要部署以提供高服务可用性以满足配置要求的软件生成一个配置。识别一个或多个配置模式，每个配置模式指定一组属性值和作为软件的配置选项的故障组件的实际恢复动作。软件的不变属性值与配置模式匹配，以获得匹配的配置模式，其实际恢复动作引起最小的组件故障恢复冲击区域。选择匹配配置模式作为软件的配置的至少一部分。然后将软件的可更改属性值设置为匹配配置模式的相应属性值，以满足配置要求。

27. 发明申请

WO2008117205A2 UPGRADING SERVICES ASSOCIATED WITH HIGH AVAILABILITY SYSTEMS 审中-公开
标题翻译：升级服务与高可用性系统相关
公开(公告)号：WO2008117205A2
公开(公告)日：2008-10-02
申请号：PCT/IB2008/051024
申请日：2008-03-18
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , TOEROE, Maria
发明人： TOEROE, Maria
IPC分类号： G06F9/445
CPC分类号： G06F8/60 , G06F8/656
摘要： Service upgrade methods and systems for HA applications are described. System level and application level techniques for routing service requests before, during and after service upgrades are illustrated.
摘要翻译：描述HA应用程序的服务升级方法和系统。说明了在服务升级之前，之中和之后路由服务请求的系统级和应用级技术。

28. 发明申请

WO2022190037A1 AVAILABILITY AND FAILURE RATE OF VIRTUAL NETWORK FUNCTIONS 审中-公开
公开(公告)号：WO2022190037A1
公开(公告)日：2022-09-15
申请号：PCT/IB2022/052170
申请日：2022-03-10
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , AZADIABAD, Siamak , TOEROE, Maria , KHENDEK, Ferhat
发明人： AZADIABAD, Siamak , TOEROE, Maria , KHENDEK, Ferhat
IPC分类号： H04L41/5054 , H04L41/40
摘要： There is provided a method, apparatus and non-transitory computer readable media for designing and deploying a network service (NS) meeting availability requirements. The method comprises computing availabilities and failure rates of virtual network functions (VNFs) instances available for deploying the NS. The method comprises designing the NS by defining VNFs instances constituents placement and redundancy, using the computed availabilities and failure rates of the VNFs instances. The method comprises deploying the NS.

29. 发明申请

WO2022112820A1 COMBINING USER AND OPERATOR INTENTS IN NETWORK SLICE DESIGN 审中-公开
公开(公告)号：WO2022112820A1
公开(公告)日：2022-06-02
申请号：PCT/IB2020/061101
申请日：2020-11-24
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , TOEROE, Maria , GRITLI, Nour , KHENDEK, Ferhat
发明人： TOEROE, Maria , GRITLI, Nour , KHENDEK, Ferhat
IPC分类号： H04L12/24
摘要： The disclosure relates to a method, apparatus and computer readable media for combining user and operator intents in network slice design and deployment. The method comprises receiving user intents for requested functionalities. The method comprises generating a solution map in which a network slice design is created for each requested functionality, each network slice design being associated with a plurality of operator policies that satisfy the user intents. The method comprises comparing the operator policies associated with the network slice designs for the requested functionalities and combining the network slice designs with matching operator policies into one or more merged network slice design if the user and operator intents are satisfied and if no isolation requirement is violated. The method comprises deploying, in a network of the operator, one or more merged network slice based on the one or more merged network slice design.

30. 发明申请

WO2020031012A1 TOWARDS NETWORK SLICE AVAILABILITY 审中-公开
公开(公告)号：WO2020031012A1
公开(公告)日：2020-02-13
申请号：PCT/IB2019/056343
申请日：2019-07-24
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , TOEROE, Maria , AZADIABAD, Siamak
发明人： TOEROE, Maria , AZADIABAD, Siamak
IPC分类号： H04L12/24
摘要： A method and system for providing a NS instance satisfying a requested availability of a NSI comprises obtaining at least one VNFD for a VNF composing the NS, the VNFD being associated with at least one absolute availability value guaranteed according to at least one DF; obtaining an availability value of NFVI on which the VNF is to be deployed; determining a minimum availability value for a NS instance of the NS; selecting a VNF DF and RM for the VNF DF such that the product of the absolute availability value of the VNF DF, taking into account the selected RM, and of the availability value of the NFVI is greater than or equal to the minimum availability value for the NS instance; and instantiating the NS instance by instantiating at least one VNF instance according to the at least one selected VNF DF and corresponding RM.

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