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    PACKET FORWARDING CONTROL PROTOCOL (PFCP) MESSAGE SERVICE USING A REMOTE PROCEDURE CALL (RPC) BASED PROTOCOL SUITABLE FOR PFCP CONNECTION SHARING
    11.
    发明申请
    PACKET FORWARDING CONTROL PROTOCOL (PFCP) MESSAGE SERVICE USING A REMOTE PROCEDURE CALL (RPC) BASED PROTOCOL SUITABLE FOR PFCP CONNECTION SHARING 有权

    公开(公告)号：US20230014876A1

    公开(公告)日：2023-01-19

    申请号：US17379468

    申请日：2021-07-19

    Applicant: Cisco Technology, Inc.

    Inventor： Ravi Shekhar ,  Ameo Ghosh

    IPC: H04L29/08 ,  H04L29/06

    Abstract: A computing device may be configured to provide a shared N4 termination function for a plurality of Session Management Function (SMF) instances of an SMF Set and interface with one or more User Plane Function (UPF) instances. To achieve this, the computing device may operate a server configured with a Remote Procedure Call (RPC)-based protocol (e.g. gRPC Remote Procedure Call or “gRPC”) for a Packet Forwarding Control Protocol (PFCP) message service for serving a plurality of client stubs respectively situated at the plurality of SMF instances. The server may perform processing associated with each client stub by receiving an RPC-based protocol message which indicates a request, unpacking the RPC-based protocol message for obtaining PFCP message request data, and operating or interfacing with a PFCP message handling client for sending a PFCP message having the PFCP message request data to an indicated one of the UPF instances.

    System and method for sharing subscriber resources in a network environment
    12.
    发明授权
    System and method for sharing subscriber resources in a network environment 有权

    公开(公告)号：US10284429B1

    公开(公告)日：2019-05-07

    申请号：US16058125

    申请日：2018-08-08

    Applicant: Cisco Technology, Inc.

    Inventor： Ameo Ghosh ,  Anurag Chaturvedi ,  Vimal Srivastava

    IPC: H04L12/24 ,  H04W76/10

    Abstract: Systems, methods, and computer-readable media are provided for modifying a network service of a requesting network member. A request, received from the requesting member, can include an identification of a sponsoring network member for a requested network service modification. A group can be generated and associated with the requesting member and with the sponsoring member. The group may also include a group policy referencing the requested network service modification. The sponsoring member can be provided with an activation key for activating the network service modification and a first network policy can be applied to the requesting member and a second network policy can be applied to the sponsoring member.

    Binding indications for load balancing and redundancy for communications between network function instances in a 5G core network
    14.
    发明授权
    Binding indications for load balancing and redundancy for communications between network function instances in a 5G core network 有权

    公开(公告)号：US11659440B2

    公开(公告)日：2023-05-23

    申请号：US17081636

    申请日：2020-10-27

    Applicant: Cisco Technology, Inc.

    Inventor： Ravi Shekhar ,  Ameo Ghosh ,  Aeneas Sean Dodd-Noble

    IPC: H04W28/08 ,  H04W84/04

    CPC classification number: H04W28/08 ,  H04W84/042

    Abstract: In a Fifth Generation (5G) network having an enhanced SBA (eSBA) architecture, a message with a header used to signal binding information (e.g. HTTP custom header for 3gpp-Sbi-Binding) may be received at a recipient NF (service) instance in a direct communication or via a service communication proxy (SCP) in an indirect communication. A binding indication comprising an address of an NF (service) instance may be obtained from the header. One or more alternative binding indications comprising one or more alternative addresses of one or more alternative NF (service) instances may also be obtained from the header. The one or more alternative NF (service) instances may be equivalent NFs (services) of the same NF (Service) Set as the NF (service) instance. The address may be used for communication of messages to the NF (service) instance, and the one or more alternative addresses may be used for load balancing or backup failure.

    Subscriber management with a stateless network architecture in a fifth generation (5G) network
    16.
    发明授权
    Subscriber management with a stateless network architecture in a fifth generation (5G) network 有权

    公开(公告)号：US10764742B1

    公开(公告)日：2020-09-01

    申请号：US16745695

    申请日：2020-01-17

    Applicant: Cisco Technology, Inc.

    Inventor： Jis Abraham ,  Aditya Prakash ,  Vinod Suresh Kamble ,  Ameo Ghosh

    IPC: H04W8/16 ,  H04W60/00 ,  H04W12/00 ,  H04W12/06 ,  H04L9/06

    Abstract: Fifth Generation (5G) standards specify use of a Subscription Concealed Identifier (SUCI) (i.e. a concealed identity) for a user equipment (UE) during initial registration, where the SUCI is derived from a Subscription Permanent Identifier (SUPI) of the UE. Given the identity concealment and use of different identities on different interfaces in a 5G network, maintaining subscriber state with a stateless network architecture may be challenging. Accordingly, one or more techniques and mechanisms are provided herein for subscriber management with a stateless network architecture in a 5G network, even without the need to maintain intermediate states of a UE in an external data store. The one or more techniques and mechanisms may be provided in relation to processing of Next Generation (NG) Application Protocol (NGAP) signaling messages at an access and mobility management function (AMF), and in particular, in relation to a registration procedure for the UE.

    Subscriber management with a stateless network architecture in a fifth generation (5G) network
    18.
    发明授权
    Subscriber management with a stateless network architecture in a fifth generation (5G) network 有权

    公开(公告)号：US10582371B1

    公开(公告)日：2020-03-03

    申请号：US16536712

    申请日：2019-08-09

    Applicant: Cisco Technology, Inc.

    Inventor： Jis Abraham ,  Aditya Prakash ,  Vinod Suresh Kamble ,  Ameo Ghosh

    IPC: H04W8/16 ,  H04W60/00 ,  H04L9/06 ,  H04W12/00 ,  H04W12/06

    Abstract: Fifth Generation (5G) standards specify use of a Subscription Concealed Identifier (SUCI) (i.e. a concealed identity) for a user equipment (UE) during initial registration, where the SUCI is derived from a Subscription Permanent Identifier (SUPI) of the UE. Given the identity concealment and use of different identities on different interfaces in a 5G network, maintaining subscriber state with a stateless network architecture may be challenging. Accordingly, one or more techniques and mechanisms are provided herein for subscriber management with a stateless network architecture in a 5G network, even without the need to maintain intermediate states of a UE in an external data store. The one or more techniques and mechanisms may be provided in relation to processing of Next Generation (NG) Application Protocol (NGAP) signaling messages at an access and mobility management function (AMF), and in particular, in relation to a registration procedure for the UE.

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