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公开(公告)号：US20250056145A1
公开(公告)日：2025-02-13
申请号：US18366824
申请日：2023-08-08
Applicant: Cisco Technology, Inc.
Inventor： Christian Fjelleng Theien
IPC: H04R1/08
Abstract: Audio samples are obtained from a plurality of microphones in a conference room that includes a plurality of participants of an online communication session. A cross correlation is calculated between audio samples for each microphone pair of the plurality of microphones. For each participant, a distance between the participant and each microphone is estimated and, for each microphone pair, an expected delay between when microphones in a microphone pair receive audio from a participant is calculated based on the distance. For each participant, a score is computed based on the cross correlation for each microphone pair and the expected delay for each microphone pair and the participant that is speaking is identified based on the score computed for each participant.
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公开(公告)号：US20250055916A1
公开(公告)日：2025-02-13
申请号：US18927210
申请日：2024-10-25
Applicant: Cisco Technology, Inc.
Inventor： Vincent E. PARLA
IPC: H04L67/133 , H04L67/02 , H04L67/56
Abstract: In one embodiment, an illustrative method herein may comprise: obtaining, by a device, one or more independent telemetry streams, wherein each of the one or more independent telemetry streams is uniquely identifiable by a span identifier; translating, by the device, each of the one or more independent telemetry streams into a corresponding QUIC protocol stream; mapping, by the device, the span identifier of each of the one or more independent telemetry streams to a respective stream identifier that uniquely identifies a QUIC channel of a multiplexed QUIC protocol stream; and communicating, by the device, the multiplexed QUIC protocol stream containing each of the one or more independent telemetry streams on its corresponding QUIC channel to cause a retrieving device to determine the span identifier of each of the one or more independent telemetry streams based on their respective stream identifier.
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公开(公告)号：US20250055833A1
公开(公告)日：2025-02-13
申请号：US18231443
申请日：2023-08-08
Applicant: Cisco Technology, Inc.
Inventor： Michael Freed , Aaron Selesi , Sravanth Yajamanam , Ryan Holland
Abstract: In one embodiment, a method is disclosed comprising: measuring, by a process, a baseline of port and protocol usage of an accessing device while forwarding to a particular remote device is disabled; measuring, by the process, usage by an accessing application of specific ports and protocols while attempting to connect to the particular remote device while forwarding to the particular remote device is disabled; and causing, by the process, opening of the specific ports and protocols for operation of the accessing application with forwarding enabled to the particular remote device.
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公开(公告)号：US20250055829A1
公开(公告)日：2025-02-13
申请号：US18928456
申请日：2024-10-28
Applicant: Cisco Technology, Inc.
Inventor： Barry Qi Yuan , Robert Edgar Barton
IPC: H04L61/4511 , H04L9/32 , H04L61/2514
Abstract: Techniques for leveraging efficient metadata communications to improve domain name system (DNS) security are described. The DNS service receives metadata associated with a client device on an encrypted channel. The DNS service applies a cryptographic hash function to the metadata to determine a first hash value and stores the first hash value in a metadata registry record with the corresponding client device metadata. The DNS service receives a DNS query containing a second hash value in an additional records section and determines that the second hash value corresponds to the first hash value. Based at least in part on the second hash value corresponding to the first hash value and the metadata associated with the client device, the DNS service resolves the DNS query and transmits a DNS response including the second hash value.
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公开(公告)号：US20250055773A1
公开(公告)日：2025-02-13
申请号：US18927038
申请日：2024-10-25
Applicant: Cisco Technology, Inc.
Inventor： Ricardo V. OLIVEIRA , Arash Molavi KAKHKI , Prabhnit SINGH , Cameron ESDAILE
IPC: H04L43/045 , H04L43/08 , H04L43/087 , H04L43/50
Abstract: In one embodiment, a method comprises: establishing, from an agent hub device, a tunnel to a remote vantage point device; generating, by the agent hub device, test traffic to appear as though the test traffic originates from the remote vantage point device; encapsulating, by the agent hub device, the test traffic into the tunnel to the remote vantage point device to cause the remote vantage point device to decapsulate the test traffic and send the test traffic as though the test traffic originated from the remote vantage point device; receiving, at the agent hub device, one or more returned test responses in response to the test traffic; and producing, by the agent hub device, test results based on the one or more returned test responses.
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Patent Agency Ranking
公开(公告)号：US20250055760A1
公开(公告)日：2025-02-13
申请号：US18231372
申请日：2023-08-08
Applicant: Cisco Technology, Inc.
Inventor： Swapna Anandan , Michael Freed , Akshay Khushu , Ruben Erick Escolero
Abstract: In one embodiment, a process discovers network topology information of a particular computer network and creates a plurality of zones of devices in the particular computer network based on the network topology information. The process also discovers network communication activity patterns and endpoints of the particular computer network and creates a plurality of conduits between devices of the particular computer network based on the network communication activity patterns and endpoints of the particular computer network and association of the devices within the plurality of zones as described above.
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公开(公告)号：US20250053374A1
公开(公告)日：2025-02-13
申请号：US18931722
申请日：2024-10-30
Applicant: Cisco Technology, Inc.
Inventor： Keith Griffin , Samer Lutfi Hijazi
IPC: G06F3/16 , G10L19/018 , G10L25/78 , H04R3/00 , H04R3/02
Abstract: Presented herein are techniques in which a first device connects to a communication session in which a plurality of devices communicates. The plurality of devices includes the first device and a second device. The first device outputs first audio that includes a first audio watermark associated with the communication session and the second device outputs second audio that includes a second audio watermark associated with the communication session. The first device detects the second audio watermark in the second audio outputted by the second device and one or more actions are performed in response to detecting the second audio watermark
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公开(公告)号：USRE50298E1
公开(公告)日：2025-02-11
申请号：US17329520
申请日：2021-05-25
Applicant: Cisco Technology, Inc.
Inventor： Thomas J. Edsall , Yue J. Yang , Wei-Jen Huang , Chih-Tsung Huang
IPC: H04L12/26 , H04L43/045 , H04L43/08 , H04L43/0882 , H04L43/10 , H04L47/24 , H04L47/30
Abstract: Techniques are presented herein to facilitate the monitoring of occupancy of a buffer in a network device. Packets are received at a network device. Information is captured describing occupancy of the buffer caused by packet flow through the buffer in the network device. Analytics packets are generated containing the information. The analytics packets from the network device for retrieval of the information contained therein for analysis, replay of buffer occupancy, etc.
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公开(公告)号：US12225562B2
公开(公告)日：2025-02-11
申请号：US18359511
申请日：2023-07-26
Applicant: Cisco Technology, Inc.
Inventor： Jerome Henry , Sudhir Kumar Jain , Aries Kuttiyan
Abstract: Techniques to adaptively support/enable a wireless network feature for certain wireless client devices without hampering the performance or connectivity of wireless client devices which do not support that wireless network feature. An access point or wireless network controller adaptively enables a wireless network feature without advertising support for the wireless network feature in a wireless network-standard compliant manner to allow one or more wireless clients that support the wireless network feature to use the wireless network feature when associated to the access point while enabling association of one or more wireless clients that do not support the wireless network feature.
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公开(公告)号：US12224931B2
公开(公告)日：2025-02-11
申请号：US17897634
申请日：2022-08-29
Applicant: Cisco Technology, Inc.
Inventor： Prakash C. Jain , Vinay Saini , Sanjay Kumar Hooda
Abstract: Techniques for a Software-Defined Networking (SDN) controller associated with a multisite network to implement jurisdictional data sovereignty polices in a multisite network, route network traffic flows between user sites and destination services over one or more provider sites, and/or perform a routing operation on the network traffic flow(s) based on the jurisdictional data sovereignty policies. The jurisdictional data sovereignty polices may be implemented using destination group tags (DGTs) and/or source group tags (SGTs). A secure access service edge (SASE) associated with the network controller may generate, store, and distribute the DGTs to provider sites and/or the SGTs to user sites. Based on the SGT and/or DGT associated with a network traffic flow, one or more services may be applied to the network traffic flow, and the network traffic flow may be routed through a particular region of a software-defined access (SDA) transit.
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