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    Distributed gateways and methods
    11.
    发明授权
    Distributed gateways and methods 有权

    公开(公告)号：US10419988B2

    公开(公告)日：2019-09-17

    申请号：US15923634

    申请日：2018-03-16

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Sophie Vrzic ,  Jaya Rao

    IPC: H04W36/02 ,  H04W36/32 ,  H04W36/00 ,  H04W88/16 ,  H04W76/27

    Abstract: Aspects of the disclosure provide systems and methods for establishing one or more Distributed Gateways located close to a location of a UE to facilitate faster packet delivery to the UE during transitions. Such transitions can include the UE transitioning its state, for example from being idle to connected to the network, but also includes operations in which the serving AP(s) for the UE changes. The method includes establishing at least two virtual network function (VNF) components (VFNCs) of a distributed gateway (D-GW), each VNFC associated with an access point (AP). Each VNFC buffers packets directed to the wireless device. The method further includes selecting at least one AP for serving the wireless device, and forwarding the buffered packets from the VNFC associated with the selected APs to the selected APs for forwarding to the wireless device. Packets buffered at the VNFCs of non-selected APs are discarded.

    Systems and methods for service and session continuity in software defined topology management
    12.
    发明授权
    Systems and methods for service and session continuity in software defined topology management 有权

    公开(公告)号：US10142427B2

    公开(公告)日：2018-11-27

    申请号：US15470493

    申请日：2017-03-27

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Xu Li ,  Jaya Rao

    IPC: H04L29/08 ,  H04W36/08 ,  H04W36/22 ,  H04W36/32 ,  H04W64/00

    Abstract: Embodiments of the present invention provide systems and methods for a Session-level SDT component in the control plane to handle setup, recovery and mobility of individual session requests in real time. The Session-level SDT component may comprise path management that performs either stateless of stateful path switching for an ongoing session, whether download or uplink, according to the stateful requirements of the session. The path management may be in conjunction with user equipment mobility management operation; it may also be in conjunction with network scalability and automation operation, such as load balancing.

    MTC service management using NFV
    13.
    发明授权
    MTC service management using NFV 有权

    公开(公告)号：US10034173B2

    公开(公告)日：2018-07-24

    申请号：US15619000

    申请日：2017-06-09

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Sophie Vrzic ,  Jaya Rao ,  Xu Li

    IPC: H04W12/06 ,  H04W4/00 ,  H04L12/715 ,  H04W4/70 ,  H04W76/11

    Abstract: A method and system for machine type communication (MTC) service management using network function virtualization (NFV) is disclosed. In an embodiment, a method for a machine type communication (MTC) service management using a virtual network function (VNF) includes receiving, by a virtual serving gateway (v-s-SGW), a request for an MTC service from a MTC device through a radio node associated with the MTC device; sending, by the v-s-SGW, an authentication request to an MTC server to authenticate the MTC device; receiving, by the v-s-SGW, an authentication response from the MTC server; and establishing, by the v-s-SGW, an MTC bearer between the v-s-SGW and the radio node if the authentication is successful; wherein the v-s-SGW comprises a virtual connection management (v-CM) and a serving gateway (s-SGW).

    Systems and Methods for SDT to Interwork with NFV and SDN
    14.
    发明申请
    Systems and Methods for SDT to Interwork with NFV and SDN 审中-公开
    SDT与NFV和SDN互动的系统和方法

    公开(公告)号：US20160212017A1

    公开(公告)日：2016-07-21

    申请号：US15002090

    申请日：2016-01-20

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Xu Li ,  Sophie Vrzic ,  Jaya Rao

    IPC: H04L12/24 ,  H04L29/08

    CPC classification number: H04L41/20 ,  H04L41/0896 ,  H04L41/12 ,  H04L41/5048 ,  H04L67/18

    Abstract: System and method embodiments are provided for enabling software defined topology (SDT) to interwork with network function virtualization (NFV) and software defined networking (SDN). In an embodiment, a method for software defined topology (SDT) management interworking with network function virtualization (NFV) and software defined networking (SDN) includes receiving, at an SDT Manager, from a service customer, a service request comprising a virtual service function forwarding graph (VSF FG); selecting a virtual network function (VNF) forwarding graph (FG) template in accordance with the received service request; generating a virtual function (VF) FG in accordance with the service request and the selected VNF FG template; selecting a point of presence (PoPs) for a VF in the VF FG; and transmitting, to an NFV Manager, instructions to instantiate the VF in accordance with at least one of the generated VF FG and the determined PoP.

    Abstract translation: 提供了系统和方法实施例，用于使得软件定义拓扑（SDT）能够与网络功能虚拟化（NFV）和软件定义网络（SDN）相互配合。 在一个实施例中，一种与网络功能虚拟化（NFV）和软件定义网络（SDN）交互工作的软件定义拓扑（SDT）管理的方法包括在SDT管理器处从服务客户接收包括虚拟服务功能的服务请求 转发图（VSF FG）; 根据接收到的服务请求选择虚拟网络功能（VNF）转发图（FG）模板; 根据服务请求和选择的VNF FG模板生成虚拟功能（VF）FG; 在VF FG中选择VF的存在点（PoP）; 以及根据生成的VF FG和所确定的PoP中的至少一个，向NFV管理器发送用于实例化VF的指令。

    DISTRIBUTED GATEWAYS AND METHODS
    16.
    发明申请
    DISTRIBUTED GATEWAYS AND METHODS 有权

    公开(公告)号：US20180206159A1

    公开(公告)日：2018-07-19

    申请号：US15923634

    申请日：2018-03-16

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Sophie Vrzic ,  Jaya Rao

    IPC: H04W36/02 ,  H04W36/32 ,  H04W76/27 ,  H04W36/00 ,  H04W88/16

    CPC classification number: H04W36/023 ,  H04W36/0066 ,  H04W36/32 ,  H04W76/27 ,  H04W88/16

    Abstract: Aspects of the disclosure provide systems and methods for establishing one or more Distributed Gateways located close to a location of a UE to facilitate faster packet delivery to the UE during transitions. Such transitions can include the UE transitioning its state, for example from being idle to connected to the network, but also includes operations in which the serving AP(s) for the UE changes. The method includes establishing at least two virtual network function (VNF) components (VFNCs) of a distributed gateway (D-GW), each VNFC associated with an access point (AP). Each VNFC buffers packets directed to the wireless device. The method further includes selecting at least one AP for serving the wireless device, and forwarding the buffered packets from the VNFC associated with the selected APs to the selected APs for forwarding to the wireless device. Packets buffered at the VNFCs of non-selected APs are discarded.

    Method and Apparatus for NFV Management and Orchestration
    17.
    发明申请
    Method and Apparatus for NFV Management and Orchestration 审中-公开
    NFV管理和编排的方法和装置

    公开(公告)号：US20160212016A1

    公开(公告)日：2016-07-21

    申请号：US15001745

    申请日：2016-01-20

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Sophie Vrzic ,  Jaya Rao ,  Hang Zhang ,  Xu Li

    IPC: H04L12/24

    Abstract: Systems and methods for network functions virtualization (NFV)-management and orchestration (MANO) are provided where a virtualized network function (VNF)-forwarding graph (FG) including a plurality of VNFs is generated based on a customer request. The plurality of VNFs are instantiated at corresponding NFV infrastructure (NFVI)-points of presence (PoPs). A network service (NS) request including the generated VNF-FG may be constructed and added to a NS catalog.

    Abstract translation: 提供了用于网络功能虚拟化（NFV） - 管理和编排（MANO）的系统和方法，其中基于客户请求生成包括多个VNF的虚拟化网络功能（VNF）转发图（FG）。 多个VNF在相应的NFV基础设施（NFV） - 存在点（PoP）上被实例化。 可以构造包括生成的VNF-FG的网络服务（NS）请求并将其添加到NS目录。

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