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    Methods and apparatuses for transferring restoration context data
    2.
    发明授权
    Methods and apparatuses for transferring restoration context data 有权

    公开(公告)号：US11778522B2

    公开(公告)日：2023-10-03

    申请号：US17431592

    申请日：2020-02-04

    申请人： Telefonaktiebolaget LM Ericsson (publ)

    发明人： Maria Cruz Bartolome Rodrigo ,  Attila Mihály

    IPC分类号： H04W76/19 ,  H04W36/00 ,  H04W48/18 ,  H04W60/06

    CPC分类号： H04W36/0033 ,  H04W48/18 ,  H04W60/06 ,  H04W76/19

    摘要： Transferring context data from a first network functional set, NFS, to another. A method and apparatuses provide for transferring restoration context data from a first NFS toward a second NFS. This method includes receiving, at the first NFS from a context transfer requester, a transfer request indicating transfer of context data toward the second NFS; transmitting, from the first NFS toward a network repository function, NRF, a context transfer request indicating transfer of context data from the first NFS to the second NFS; transmitting, from the NRF toward the first NFS, a context transfer response indicating a status of the first NFS; notifying, from the NRF toward a network function, NF, service consumer, of transfer information related to the transfer of context data from the first NFS to the second NFS; transferring, from the first NFS toward the second NFS, restoration context data; and storing the restoration context data.

    Re-Selection of a Network Function Instance based on Data Consistency
    3.
    发明申请
    Re-Selection of a Network Function Instance based on Data Consistency 有权

    公开(公告)号：US20220174121A1

    公开(公告)日：2022-06-02

    申请号：US17599773

    申请日：2020-03-16

    申请人： Telefonaktiebolaget LM Ericsson (publ)

    发明人： Maria Cruz Bartolomé Rodrigo ,  Attila Mihály

    IPC分类号： H04L67/51 ,  H04L67/52

    摘要： The present invention faces the issues of re-selection of another NF Service instance (103, 201) for a subsequent request (S-520, S-535) with a same data consistency (Consistency 1) as a previously selected NF Service instance (101). To solve this issue, the present invention provides for identifying at configuration, based on the deployment and on the Storage solution for the Session/context data, which instances (101, 103, 201) of the same service type have access with strong consistency to the same data, and provide this information to the consumer (40), so it is allowed to prioritize selection of an alternative NF service instance that supports strong consistency, whenever possible.

    Methods of Operating Service Control Nodes
    4.
    发明申请
    Methods of Operating Service Control Nodes 有权

    公开(公告)号：US20220021731A1

    公开(公告)日：2022-01-20

    申请号：US17294938

    申请日：2019-11-19

    申请人： Telefonaktiebolaget LM Ericsson (publ)

    发明人： Maria Cruz Bartolomé Rodrigo ,  Attila Mihály

    IPC分类号： H04L29/08

    摘要： A service controller receives an operation request for a service for a consumer node of a communication network, the operation request including a context identifier referring to a context related to the operation request. The service controller forwards the operation request to a first service instance set being identified by the service controller as handling the context related to the operation request. Responsive to determining that the first service instance set is unreachable or unavailable, the service controller selects a second service instance set as a candidate to handle the context related to the operation request. The operation request for the service is then forwarded to the second service instance set.

    Enabling efficient pre-loading of data for a network client
    6.
    发明授权
    Enabling efficient pre-loading of data for a network client 有权

    公开(公告)号：US10313472B2

    公开(公告)日：2019-06-04

    申请号：US15105156

    申请日：2014-03-19

    申请人： Telefonaktiebolaget LM Ericsson (publ)

    发明人： Lars Westberg ,  Attila Mihály

    IPC分类号： H04L29/06 ,  H04L29/08

    摘要： Disclosed is a method having at least one of the steps of: sending requests for data to at least one web site hosted by at least one server; receiving responses corresponding to the requests for data from the at least one web site; compiling, for each of the at least one web site, data location statistics including a set of data locations identified in the responses from the web site; and selecting, for each of the at least one web site, a smaller subset of at least one data location from the identified set of data locations to act as candidate data location(s) for pre-loading data for the network client; and transferring, for each of the at least one web site, the smaller subset of at least one data location acting as candidate data location(s) to a pre-loading unit, for enabling pre-loading of data based on the candidate data location(s).

    Methods and nodes for congestion control
    7.
    发明授权
    Methods and nodes for congestion control 有权

    公开(公告)号：US10218620B2

    公开(公告)日：2019-02-26

    申请号：US15310622

    申请日：2014-07-01

    申请人： Telefonaktiebolaget LM Ericsson (publ)

    发明人： Attila Mihály ,  Geza Szabo ,  Szilveszter Nádas

    IPC分类号： H04L12/801 ,  H04L12/851 ,  H04L5/00 ,  H04L29/08 ,  H04L29/06

    摘要： The disclosure relates to a method for handling congestion performed in a source node of a communication network. The communication network provides a communication path for traffic streams between the source node and a destination node, wherein the source node multiplexes two or more different types of traffic streams onto a single connection. The method comprises detecting congestion in the communication network along the communication path, determining whether there is a traffic differentiation in a network node along the communication path, and applying a connection-level congestion control for the case of determining that there is no network node performing traffic differentiation. The disclosure also relates to a source node, computer program and computer program product.

    Handling of Session Context
    10.
    发明公开
    Handling of Session Context 审中-公开

    公开(公告)号：US20240341009A1

    公开(公告)日：2024-10-10

    申请号：US18743199

    申请日：2024-06-14

    申请人： Telefonaktiebolaget LM Ericsson (publ)

    发明人： Attila Mihály ,  Magnus Hallenstål ,  Magnus Olsson

    IPC分类号： H04W76/30 ,  H04W76/12 ,  H04W76/19

    CPC分类号： H04W76/30 ,  H04W76/12 ,  H04W76/19

    摘要： A network provides PDU sessions between wireless devices and data networks. UPFs in the network handle the user planes of these PDU sessions, while SMFs in the network manage the PDU sessions. The SMFs have dedicated interfaces for signaling sessions to the UPFs. In the occasion that managing of a PDU session has to be transferred from one SMF to another SMF, the first SMF has to release the signalling session with the UPF for the PDU session, and a second SMF has to re-establish the signaling session with the UPF for the same PDU session. To avoid that during the transfer of the management responsibility transfer the wireless device experiences a hick-up in the PDU session the first SMS includes a control element in the release message to the UPF, indicating to the UPF that the signaling session for the PDU session will be re-established by a second SMF, and that the UPF shall continue the handling of the PDU session till re-establishment.