公开(公告)号：US20240172046A1

公开(公告)日：2024-05-23

申请号：US18183400

申请日：2023-03-14

申请人： Cisco Technology, Inc.

发明人： Vimal Srivastava ,  Sri Gundavelli

IPC分类号： H04L1/22 ,  H04L5/00 ,  H04L69/22 ,  H04W28/08

CPC分类号： H04L1/22 ,  H04L5/0055 ,  H04L69/22 ,  H04W28/0925

摘要： A system and method are provided to selectively increase the reliability for transmission of select data packets that are determined to be important or critical. When the data packets are PDUs arranged in PDU-SETs, a user plane function (UPF) receives the PDU-SETs from a content server, and, based on header information, e.g., the UPF filters the PDU-SETs according to respective reliability levels. For PDU-SETs in the highest reliability level, a manner of transmitting the PDU-SETs is modified to increase reliability of the transmission for at least part of the transmission path. For example, the redundancy of the PDUs in the PDU-SETs can be increased for one or more legs of the transmission path by generating duplicates of the PDUs, which are transmitted together with the original PDUs. Further, reliability can be increased for respective legs by transmitting the PDUs using an acknowledgement mode.

公开(公告)号：US20240172037A1

公开(公告)日：2024-05-23

申请号：US18471087

申请日：2023-09-20

申请人： Cisco Technology, Inc.

发明人： Vimal Srivastava ,  Sri Gundavelli

IPC分类号： H04W28/02

CPC分类号： H04W28/0268

摘要： Disclosed herein are systems, methods, and computer-readable media for generating Access Traffic Steering, Switching and Splitting (ATSSS) rules specific to different frame types of a flow, providing the ATSSS rules to a user plane function (UPF) so that the UPF detects Quality of Service (QOS) flows based on the different frame types of the flow, and transporting the different frame types of the flow on different access standards based on the ATSSS rules.

公开(公告)号：US20240146766A1

公开(公告)日：2024-05-02

申请号：US18051974

申请日：2022-11-02

申请人： Cisco Technology, Inc.

发明人： Eric A. Voit ,  David Maluf ,  Matthew S MacPherson ,  Sri Gundavelli ,  Ali Sajassi

IPC分类号： H04L9/40

CPC分类号： H04L63/164

摘要： Stateless network address privacy may be provided. A data packing may be received with an obfuscated destination address and an un-obfuscated source address. An un-obfuscated destination address may be determined based on the obfuscated destination address. An obfuscated source address may be determined based on the un-obfuscated source address. The obfuscated destination address may be replaced with the un-obfuscated destination address and the un-obfuscated source address may be replaced with the obfuscated source address. The packet may be forwarded.

公开(公告)号：US20210321325A1

公开(公告)日：2021-10-14

申请号：US16845877

申请日：2020-04-10

申请人： Cisco Technology, Inc.

发明人： Vimal Srivastava ,  Sri Gundavelli ,  Aeneas Sean Dodd-Noble ,  Irfan Ali ,  Ravi Kiran Guntupalli ,  Ian McDowell Campbell

IPC分类号： H04W48/18 ,  H04W48/16 ,  H04W80/02 ,  H04W36/00 ,  H04W76/19 ,  H04L12/24 ,  H04L29/12 ,  H04W36/16 ,  H04L29/08

摘要： A network slice controller obtains health information of an active network slice provided by a first vendor and health information of a set of backup network slices provided by a second vendor. The network slice controller evaluates, using a set of policies corresponding to management of the active network slice, the health information of the active network slice to determine whether the active network slice has failed. As a result of the failure of the active network slice, the network slice controller identifies one or more backup network slices of the set of backup network slices to serve as new active network slices. The network slice controller activates these one or more backup network slices to serve as the new active network slices for the network.

公开(公告)号：US20240365173A1

公开(公告)日：2024-10-31

申请号：US18769624

申请日：2024-07-11

申请人： Cisco Technology, Inc.

发明人： Sri Gundavelli ,  Vimal Srivastava

IPC分类号： H04W28/086 ,  H04W28/08

CPC分类号： H04W28/0865 ,  H04W28/0942

摘要： The present disclosure is directed to migrating network traffic from a licensed spectrum to an unlicensed spectrum within the same radio access technology (RAT). In one aspect, a method includes identifying a user device connected to a cellular wireless access technology, over a licensed spectrum; determining whether a condition for switching network traffic associated with the user device to an unlicensed spectrum is triggered; in response to determining that the condition is triggered, determining an unlicensed spectrum to move the network traffic to, the unlicensed spectrum being within a same cell as the licensed spectrum or in a different cell compared to a cell in which the licensed spectrum is; and migrating at least a portion of the network traffic to the unlicensed spectrum while maintaining network connectivity of the user device over the cellular wireless access technology.

公开(公告)号：US12133291B2

公开(公告)日：2024-10-29

申请号：US17576595

申请日：2022-01-14

申请人： Cisco Technology, Inc.

发明人： Sri Gundavelli ,  Timothy P. Stammers ,  Eren Kudsi Gonen ,  Bobby Wayne Hoosang Richardson

IPC分类号： H04W12/06 ,  H04L61/4511 ,  H04W8/18 ,  H04W8/26 ,  H04W84/04

CPC分类号： H04W8/265 ,  H04L61/4511 ,  H04W8/183 ,  H04W12/06 ,  H04W84/042

摘要： Systems, methods, and computer-readable media are provided for on-boarding network devices onto a private 5G network. An example method can include discovering a first private 5G network upon the network device being turned on, authenticating, at the network device, the network device, downloading a second network profile from an SM-DP+ server of a second private 5G network, and on-boarding the network device to the second private 5G network.

公开(公告)号：US11943653B2

公开(公告)日：2024-03-26

申请号：US17566267

申请日：2021-12-30

申请人： Cisco Technology, Inc.

发明人： Humberto Jose La Roche ,  Vimal Srivastava ,  Sri Gundavelli ,  Timothy P. Stammers

IPC分类号： H04W28/02 ,  H04W72/543

CPC分类号： H04W28/0268 ,  H04W72/543

摘要： The present technology is generally directed to dynamically adding network resources based on an application function (AF) notification. The present technology can determine, by an AF of a service provider, a network congestion on a network, the network congestion indicating that network resources for servicing a user device using services of the service provider do not meet corresponding Quality of Service (QoS) requirements. Further, the present technology can transmit a notification by the AF to a core network of a network provider to request additional network resources to be allocated for servicing the user device, the network provider providing network connectivity for the user device to receive the services provided by the service provider.

公开(公告)号：US20230388792A1

公开(公告)日：2023-11-30

申请号：US17752182

申请日：2022-05-24

申请人： Cisco Technology, Inc.

发明人： Vimal Srivastava ,  Sri Gundavelli ,  Ravi Kiran Guntupalli

IPC分类号： H04W12/06 ,  H04W60/00

CPC分类号： H04W12/06 ,  H04W60/00 ,  H04W84/042

摘要： Presented herein are techniques to provide selective network slice authentication and authorization in a mobile network environment. In one example, a method may include obtaining, by an access management element of a mobile network, a registration request from a user equipment, wherein the registration request identifies a plurality of network slices with which the user equipment seeks authentication; determining that if authentication for the user equipment with a first network slice is successful, authentication for the user equipment with one or more other network slices can be skipped; and upon successful authentication for the user equipment with the first network slice, skipping authentication for the user equipment with the one or more other network slices.

公开(公告)号：US20230308852A1

公开(公告)日：2023-09-28

申请号：US17705939

申请日：2022-03-28

申请人： Cisco Technology, Inc.

发明人： Vimal Srivastava ,  Sri Gundavelli ,  Ravi Kiran Guntupalli

IPC分类号： H04W8/12 ,  H04W60/04 ,  H04W8/20

CPC分类号： H04W8/12 ,  H04W60/04 ,  H04W8/20 ,  H04W84/042

摘要： Techniques and mechanisms for use in facilitating home network assisted concurrent access to network slices in multiple visited public land mobile networks (VPLMNs) are described. A control plane (CP) function for mobility management may receive, from a UE (e.g., configured without dual connectivity), a message which indicates a registration request for registration using a first network slice and a second network slice. The CP function may manage registration for the UE in response to the registration request. The CP function may receive, from the UE, a message which indicates a request for establishing a protocol data unit (PDU) session using the second network slice which is not supported or available in the first VPLMN. The CP function may forward the request for establishing the PDU session to an application function (AF) for managing establishment of the PDU session for the UE using the second network slice in a second VPLMN.

公开(公告)号：US11246088B2

公开(公告)日：2022-02-08

申请号：US16845877

申请日：2020-04-10

申请人： Cisco Technology, Inc.

发明人： Vimal Srivastava ,  Sri Gundavelli ,  Aeneas Sean Dodd-Noble ,  Irfan Ali ,  Ravi Kiran Guntupalli ,  Ian McDowell Campbell

IPC分类号： H04W48/18 ,  H04W36/00 ,  H04W48/16 ,  H04W80/02 ,  H04L29/08 ,  H04L12/24 ,  H04L29/12 ,  H04W36/16 ,  H04W76/19

摘要： A network slice controller obtains health information of an active network slice provided by a first vendor and health information of a set of backup network slices provided by a second vendor. The network slice controller evaluates, using a set of policies corresponding to management of the active network slice, the health information of the active network slice to determine whether the active network slice has failed. As a result of the failure of the active network slice, the network slice controller identifies one or more backup network slices of the set of backup network slices to serve as new active network slices. The network slice controller activates these one or more backup network slices to serve as the new active network slices for the network.