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51.发明授权公开(公告)号：US12261826B2
公开(公告)日：2025-03-25
申请号：US17857678
申请日：2022-07-05
Applicant: Cisco Technology, Inc.
Inventor： Hendrikus G. P. Bosch , Alessandro Duminuco , Zohar Kaufman
Abstract: A system of one embodiment allows for redirecting service and API calls for containerized applications in a computer network. The system includes a memory and a processor. The system processes a plurality of application workflows of a containerized application workload. The system then identifies at least one application workflow of the plurality of application workflows and at least one workflow-specific routing rule associated with the at least one application workflow. The system then determines at least one proxy server address for each identified application workflow based on the at least one associated workflow-specific routing rule. Then the system determines at least one proxy server address for each identified application workflow based on the at least one associated workflow-specific routing rule. The system then may communicate the at least one identified application workflow to the at least one proxy server using the at least one determined proxy server addresses.
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公开(公告)号：US12261690B2
公开(公告)日：2025-03-25
申请号：US18170960
申请日：2023-02-17
Applicant: Cisco Technology, Inc.
Inventor： Giovanna Carofiglio , Michele Papalini , Giulio Grassi
IPC: H04L1/00
Abstract: A system and method for a coordinated edge-assisted reliability mechanism for real-time media services. In one embodiment, a method includes forwarding, by an edge relay device, data packets between a media server and a client device; measuring packet loss and latency associated with communications between the edge relay device, the media server, and the client device; determining an error correction procedure based at least in part on the measured latency; and implementing the error correction procedure at the edge relay device.
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公开(公告)号：US20250097774A1
公开(公告)日：2025-03-20
申请号：US18470106
申请日：2023-09-19
Applicant: Cisco Technology, Inc.
Inventor： Jerome Henry , Akram Sheriff , Robert Edgar Barton
Abstract: A system and method are provided for timing measurement in a wireless network to determine a location of a station (STA). A channel stability is determined for a channel between an initiating station (ISTA) and a first responding station (RSTA). A request for a first timing-measurement exchange is sent from the ISTA and the first RSTA. Parameters are negotiated for the first timing-measurement exchange based on the determined channel stability, and then the timing-measurement exchange is performed to generate a first set of times. This process is then repeated for another timing-measurement exchange between the ISTA and a second RSTA to generate a second set of times. A location of the ISTA is determined based on the first and the second sets of times.
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公开(公告)号：US20250097157A1
公开(公告)日：2025-03-20
申请号：US18677759
申请日：2024-05-29
Applicant: Cisco Technology, Inc.
Inventor： Bart Brinckman , Muhammad SHAHZAD
Abstract: Devices, systems, methods, and processes for filtering of received broadcast packets at access points (APs) connected to a controller. Typically, the APs forward all the received broadcast packets to the controller for processing. Many of these broadcast packets may not be subscribed by any application and thus are dropped by the controller. Thus, both the APs and the controller resources are being wasted in processing the broadcast packets that may eventually be dropped. The controller, therefore, generates a filtering ruleset to drop one or more broadcast packets from the received broadcast packets based on one or more subscriptions from applications. The controller may install the filtering ruleset on the APs, so that only the broadcast packets subscribed by the applications are received by the controller. Further, the controller may run periodic updates on the filtering ruleset to accommodate any new subscriptions, new allow rule or drop rule from the applications.
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公开(公告)号：US20250097142A1
公开(公告)日：2025-03-20
申请号：US18369076
申请日：2023-09-15
Applicant: Cisco Technology, Inc.
Inventor： Nagendra Kumar Nainar , Jaganbabu Rajamanickam , Madhan Sankaranarayanan , Carlos M. Pignataro , Akram Sheriff
IPC: H04L45/00 , H04L43/0823
Abstract: Techniques are described for quickly rerouting traffic to an application hosted on a first Virtual Private Cloud (VPC) location. In the event of an error in routing traffic to the first VPC portion traffic can be rerouted to a second VPC portion. The first and second VPC portions can be different portions of the same VPC or could be different VPSs. The techniques include steps for calculating a predetermined route to the second private virtual cloud location. The techniques further include steps for monitoring data for detecting an error in the first cloud location. The steps further include detecting a potential error based on the monitored data, and also verifying that the potential error is in fact a valid error. In response to verifying that the error is a valid error, further steps include performing a fast reroute of traffic to the second cloud locations along the predetermined route.
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Patent Agency Ranking
公开(公告)号：US20250093530A1
公开(公告)日：2025-03-20
申请号：US18467040
申请日：2023-09-14
Applicant: Cisco Technology, Inc.
Inventor： Ardalan Alizadeh , Navid Reyhanian , Audrey Yazdanparast , Peiman Amini , Jerome Henry
IPC: G01S19/48
Abstract: Described herein are devices, systems, methods, and processes for managing the computational complexity in geolocating a large number of network devices (e.g., access points (APs)) in indoor environments. A number of network devices may be partitioned into smaller groups or batches based on neighbor knowledge about the network devices. Each batch of network devices can include just devices located on a same floor, or may include devices located across different floors. Every batch may include at least one anchor network device. The geolocation of the network devices can be determined, batch-by-batch, based on fusing global navigation satellite system (GNSS) pseudorange measurements and inter-network device ranging measurements. The geolocation accuracy for each partition can be evaluated utilizing such metrics as the average residual error. If the error for a batch is greater than a threshold, remedial measures may be taken to reduce the error and improve the geolocation accuracy.
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公开(公告)号：US12256355B2
公开(公告)日：2025-03-18
申请号：US18200231
申请日：2023-05-22
Applicant: Cisco Technology, Inc.
Inventor： Malcolm Muir Smith , Jerome Henry
IPC: H04W56/00 , H04L43/0864
Abstract: This technology allows time synchronization in wireless networks with mobile stations. A wireless network controller transmits instructions to access points (“APs”) within the wireless network to monitor transmissions for time synchronization. One or more second APs observe fine time measurement (“FTM”) exchanges between a first AP and a mobile station. A particular second AP determines whether to perform a time synchronization with the first AP based on the detection of the FTM exchange or a determination that the station is moving toward the second AP. For time synchronization, the second AP determines the time that the first AP transmitted the FTM exchange and the time of transmission from the first AP to the second AP. The second AP synchronizes a second AP clock to the summation of the time of the transmission of the FTM exchange and the time of transmission from the first AP to the second AP.
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58.发明授权公开(公告)号：US12256173B1
公开(公告)日：2025-03-18
申请号：US17943433
申请日：2022-09-13
Applicant: Cisco Technology, Inc.
Inventor： Gisle Langen Enstad
IPC: H04N7/15 , G06T7/70 , G10L25/06 , G10L25/57 , G10L25/78 , H04L65/403 , H04N5/268 , H04R1/40 , H04R3/00
Abstract: A method comprises, at a video conference system having cameras and microphone arrays each co-located with a corresponding one of the cameras: detecting a face of a participant, and estimating orientations of the face relative to the cameras, based on video captured by the cameras; receiving, from each of the microphone arrays, at least two microphone signals that represent detected audio from the participant; separately correlating the at least two microphone signals from each of the microphone arrays against each other using a correlation function, to produce correlation peaks for the microphone arrays corresponding to the microphone arrays and the cameras; determining a preferred camera among the cameras based on the correlation peaks and the orientations of the face relative to the cameras; and transmitting the video captured by the preferred camera to a network.
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公开(公告)号：US12255868B2
公开(公告)日：2025-03-18
申请号：US17862019
申请日：2022-07-11
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 uses a hash value to uniquely identify a client, and detect any change in metadata in order to keep policies up-to-date for the client. In an example method a first DNS query for a client device is intercepted. A cryptographic hash function is applied to metadata associated with the client device to generate a hash value. The hash value is added to an additional records section of the first DNS query to generate a second DNS query. The second DNS query is transmitted to a DNS service. The metadata associated with the client device is transmitted to the DNS service on an out-of-band encrypted channel. A DNS response, including the hash value, is received from the DNS service and transmitted to the client device.
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公开(公告)号：US12255758B2
公开(公告)日：2025-03-18
申请号：US18610512
申请日：2024-03-20
Applicant: Cisco Technology, Inc.
Inventor： Balaji Sundararajan , Madhuri Kolli , Giorgio Valentini , Venkatraman Venkatapathy , Avinash Ashok Kumar Chiganmi , Vivek Agarwal
Abstract: The present technology pertains to receiving a tag associating at least one routing domain in an on-premises site with at least one virtual network in a cloud environment associated with a cloud service provider. The present technology also pertains to the automation of populating route and propagation tables with the cloud service provider.
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