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公开(公告)号：US20220217815A1
公开(公告)日：2022-07-07
申请号：US17143625
申请日：2021-01-07
Applicant: Cisco Technology, Inc.
Inventor： Srinath Gundavelli , Sangram Kishore Lakkaraju , Vimal Srivastava , Oliver James Bull
Abstract: A first data plane is established between a user equipment device and a gateway device, wherein the user equipment device comprises a 3rd Generation Partnership Project (3GPP) user equipment device, and wherein the first data plane comprises a 3GPP data plane. A second data plane is established between the gateway device and an anchor device, wherein the second data plane comprises a Proxy Mobile Internet Protocol version 6 (PMIPv6) data plane. Mobility management is performed for the user equipment device via communications between the gateway device and the anchor device.
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公开(公告)号：US20220167243A1
公开(公告)日：2022-05-26
申请号：US17105266
申请日：2020-11-25
Applicant: Cisco Technology, Inc.
Inventor： Srinath Gundavelli , Indermeet Gandhi , Shree Murthy , Malcolm Smith , Jerome Henry
Abstract: This disclosure describes techniques for selecting network protocols using heatmaps. For instance, a system may receive radio frequency information from one or more sources located within an environment. The system may then generate heatmaps using the radio frequency information, where the heatmaps represent characteristics associated with different network protocols. The characteristics may include signal strengths, throughputs, data packet drop rates, data packet retry rates, and/or the like for various locations within the environment. A user device may then receive the heatmaps from the system. Using a location of the user device and the heatmaps, the user device may determine to communicate using a network protocol from the different network protocols. The user device may then establish a connection using the network protocol.
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公开(公告)号：US20220141703A1
公开(公告)日：2022-05-05
申请号：US17084150
申请日：2020-10-29
Applicant: Cisco Technology, Inc.
Inventor： Abhishek Dhammawat , Srinath Gundavelli , Mahesh Satyanarayana
Abstract: In one illustrative example, a user plane function (UPF) may detect initial traffic for an application for a user equipment (UE) for which no current dedicated Quality of Service (QoS) flow is established. In response, the UPF may send, to a control plane function, a message which indicates a request for creating a dedicated QoS Flow for traffic for the application for the UE. The message may include flow metadata and an application identifier obtained in detecting the initial traffic. A QoS Flow may then be created for the traffic based on a selected QoS policy associated with the application identifier. Subsequently, the UPF may determine that a measured time period of traffic inactivity for the QoS Flow is outside a limit set by a threshold. Based on the determining, the UPF may send, to the control plane function, a message which indicates a request for deleting the QoS Flow.
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124.发明授权公开(公告)号：US11310659B2
公开(公告)日：2022-04-19
申请号：US16925746
申请日：2020-07-10
Applicant: Cisco Technology, Inc.
Inventor： Indermeet Singh Gandhi , Srinath Gundavelli , Timothy Peter Stammers , Pradeep Kumar Kathail
IPC: H04W12/45 , H04W8/20 , H04W8/22 , H04W12/069 , H04W88/06
Abstract: Presented herein are techniques to facilitate electronic profile management by an enterprise entity in which the enterprise entity can utilize an enterprise infrastructure to provision one or more electronic profiles for one or more enterprise device(s). In one example, a method is provided that may include determining, by a management node of an enterprise network, whether a user equipment (UE) supports an electronic profile capability and a wireless wide area access network connectivity capability; and based on determining that the UE supports the electronic profile capability and the wireless wide area access network connectivity capability, providing, by the management node, at least one electronic profile to the UE via a wireless local area access network of the enterprise network, wherein the at least one electronic profile enables the UE to connect to at least one wireless wide area access network of the enterprise network.
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125.发明授权公开(公告)号：US11284462B2
公开(公告)日：2022-03-22
申请号：US16717384
申请日：2019-12-17
Applicant: Cisco Technology, Inc.
Inventor： Louis Gwyn Samuel , Srinath Gundavelli , Oliver James Bull , Mark Grayson , Sangram Kishore Lakkaraju , Shree N. Murthy
Abstract: Techniques are described for integrating cellular access within an enterprise fabric. In one example, a method includes obtaining, by a cellular termination function via a cellular access point, a request from a client for data plane connectivity via a network, wherein the cellular access point is registered within the network and is in communication with a first switch of the network; obtaining, by the cellular termination function, cellular policy information and enterprise policy information for the client; obtaining, by the cellular termination function, an Internet Protocol (IP) address for the client; and establishing data plane connectivity for the client with the network via the cellular access point, the first switch of the network, and a second switch of the network based, at least in part, on the IP address for the client, wherein the second switch connects the network with one or more data networks.
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Patent Agency Ranking
公开(公告)号：US11202276B2
公开(公告)日：2021-12-14
申请号：US16743258
申请日：2020-01-15
Applicant: Cisco Technology, Inc.
Inventor： Srinath Gundavelli , Sangram Kishore Lakkaraju , Louis Gwyn Samuel , Timothy Peter Stammers , Alberto Rodriguez Natal , Fabio R. Maino
Abstract: In one example, a control plane entity obtains an indication that a User Equipment (UE) has entered an idle mode. The control plane entity sets a routing locator corresponding to the UE to cause the control plane entity to trigger a paging request toward the UE to prompt the UE to transition from the idle mode when a first network node obtains a downlink packet destined for the UE. The control plane entity obtains a notification that the first network node has obtained the downlink packet and initiates the paging request toward the UE. The control plane entity updates the routing locator corresponding to the UE to cause the first network node to transmit further downlink packets destined for the UE toward a second network node configured to handle traffic on behalf of the UE.
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公开(公告)号：US20210306854A1
公开(公告)日：2021-09-30
申请号：US17069047
申请日：2020-10-13
Applicant: Cisco Technology, Inc.
Inventor： Srinath Gundavelli , Indermeet Singh Gandhi
Abstract: Presented herein are techniques to provide for the ability to utilize 3GPP-generated Session Keys that can be generated via a primary authentication or a secondary authentication process for a user equipment (UE) via a private wireless wide area (WWA) access network in which the keys can be leveraged to facilitate connection of the UE to a wireless local area (WLA) access network. In one example, a method may include obtaining a request to authenticate a UE for connection to a WWA access network; determining that the UE is capable of a Fast Transition (FT) capability; authenticating the UE for connection to the WWA access in which, based on the FT capability, the authenticating includes generating a root security key for the UE; and upon determining that the UE is attempting to access the WLA access network, providing the root security key for the UE to the WLA access network.
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公开(公告)号：US20210306850A1
公开(公告)日：2021-09-30
申请号：US17069056
申请日：2020-10-13
Applicant: Cisco Technology, Inc.
Inventor： Indermeet Singh Gandhi , Srinath Gundavelli
IPC: H04W12/04 , H04W12/06 , H04B17/318 , H04W8/24 , H04W12/00
Abstract: Presented herein are techniques to provide for the ability to optimize the caching of Fast Transition (FT) hierarchical keys based on a derived or statically defined neighbor relationship between wireless wide area (WWA) access network nodes and wireless local area (WLA) access network nodes and also user equipment (UE) mobility triggers in the WWA access network. In one example, a method may include instructing a UE to report detection of a WLA access network and based, at least in part, on obtaining a notification via a WWA access node indicating UE detection of the WLA access network, identifying WLA access nodes that neighbor the WWA access node. The method may further include generating FT key material for the UE and communicating a portion of the FT key material to the WLA access nodes that neighbor the WWA access node to facilitate authenticating the UE to the WLA access network.
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129.发明申请公开(公告)号：US20210185506A1
公开(公告)日：2021-06-17
申请号：US16896399
申请日：2020-06-09
Applicant: Cisco Technology, Inc.
Inventor： Srinath Gundavelli , Sangram Kishore Lakkaraju , Mark Grayson , Louis Gwyn Samuel , Timothy Peter Stammers
Abstract: Techniques are described to provide for authentication and subscription management that are decoupled from a Home Subscriber Server (HSS). In one example, a method includes providing a device profile at an authentication function, wherein the device profile comprises identification information for a device for a plurality of access types including a first identifier for the device associated with a cellular access and a second identifier for the device associated with a wireless local area network access; obtaining an access request message associated with the device for the cellular access, wherein the access request message comprises the first identifier and an authentication attribute; generating authentication information for authenticating the device for the cellular access based, at least in part, on the authentication attribute; and generating, for transmission, an access accept message for the cellular access, wherein the access accept message comprises the first identifier, the second identifier, and the authentication information.
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公开(公告)号：US10992712B2
公开(公告)日：2021-04-27
申请号：US15906288
申请日：2018-02-27
Applicant: Cisco Technology, Inc.
Inventor： Srinath Gundavelli , Nandini Ganesh , Pradeep Kathail
Abstract: A policy server determines and explicitly provides a source host with a multipath access policy. The policy server obtains a notification that the source host is connected to an access network. The notification includes authentication credentials of a user of the source computing device. The policy server determines a multipath policy based on the authentication credentials. The multipath policy determines whether data flows from the source host are transmitted over multiple network connections. The policy server determines a set of one or more multipath proxy devices based on the authentication credentials, and provides an access policy to the source host. The access policy includes the multipath policy and network addresses associated with the multipath proxy devices.
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