Cisco Patent Grants

Debris filter sensor

Granted: July 18, 2017
Patent Number: 9707501
In one embodiment, a piezoelectric device is positioned adjacent to a debris fence. A resonant frequency detection circuit connects with the piezoelectric device. The resonant frequency of the piezoelectric device is responsive to debris adjacent to the debris fence.

Dynamic energy savings for digital signal processor modules using plural energy savings states

Granted: July 18, 2017
Patent Number: 9710052
Embodiments include a method of managing operating states of a plurality of digital signal processors (DSPs). The method generally includes determining a first number of the plurality of DSPs to operate in a ready state, determining a second number of the plurality of DSPs to operate in a first energy-saving state, and determining a third number of the plurality of DSPs to operate in a second energy-saving state. In some embodiments, the first energy-saving state corresponds to a dormant…

High power efficient amplifier through digital pre-distortion and machine learning in cable network environments

Granted: July 18, 2017
Patent Number: 9712193
An example method for facilitating a high power efficient amplifier through digital pre-distortion (DPD) in cable network environments is provided and includes receiving a first signal and a second signal at a DPD coefficient finder in an amplifier module, the second signal including transformations of the first signal from distortions due to channel effects and amplifier nonlinearity, synchronizing the first signal and the second signal, thereby removing the channel effects, computing a…

Low bit rate signaling with optical IQ modulators

Granted: July 18, 2017
Patent Number: 9712247
In one embodiment, a method includes receiving an optical input signal to be modulated by an IQ modulator. The method includes applying data to first and second modulators during a first operation, and applying a first pattern of data to the first modulator and a second pattern of data to the second modulator during a second operation. The second operation results in an optical output signal of the IQ modulator having a low power output and a high power output. The first and second…

Agile information technology infrastructure management system

Granted: July 18, 2017
Patent Number: 9712409
The agile information technology infrastructure management system and related methods and processes provide a solution with the required flexibility to effectively and efficiently monitor and manage a wide-variety of disparate information technology and network infrastructure deployed in businesses and enterprises throughout a region or the world.

Aggregating status to be used for selecting a content delivery network

Granted: July 18, 2017
Patent Number: 9712412
A method is provided in one example embodiment and includes receiving a request for content from a source in a network; determining a geographic service region for the source; determining a status of a plurality of content delivery networks in the service region. The status is indicative of at least whether each of the plurality of content delivery networks is active or impaired. The method can also include selecting a particular one of the content delivery networks having a…

Maintaining and communicating nodal neighboring information

Granted: July 18, 2017
Patent Number: 9712433
In one embodiment, a nodal device receives information from each of its neighboring nodes in a network. The information identifies a link quality between the nodal device and each of its neighboring nodes. The link quality information is stored in one or more bloom filters in the nodal device such that a table having a compressed format is provided in the bloom filter. The table includes probabilistic identifiers to identify link quality between the nodal device and each of its…

Connectivity system for multi-tenant access networks

Granted: July 18, 2017
Patent Number: 9712440
A system may provide connectivity service in a multi-tenant network. A first node in the multi-tenant network can receive data packets, each of the data packets identifying one of a plurality of tenant devices. The first node can determine an Internet Protocol (IP) address associated with each of the data packets. The first node can determine a Virtual Local Area Network Identifier (VLAN ID) based on the IP address, the VLAN ID being a unique identifier of a respective one of the…

Methods and systems for scheduling data transmission with a feedback mechanism

Granted: July 18, 2017
Patent Number: 9712450
In one embodiment, a method includes identifying one or more channel queues associated with one or more RF channels, wherein the one or more RF channels are associated with a Data Over Cable System Interface Specification (DOCSIS) bonding group and wherein the DOCSIS bonding group receives downstream data from a first node, determining a data usage of the DOCSIS bonding group, determining that a data rate of the downstream data is to be modified based on at least one of the one or more…

Determining availability of networking resources prior to migration of a server or domain

Granted: July 18, 2017
Patent Number: 9712455
Presented herein are techniques for resolving VxAN (VSANs and VLANs) networking connectivity, prior to server or domain migration. When UCS domains receive a workload or service profile from a UCS Central Controller, required VLANs/VSANs are checked for deployment for that UCS domain in Fabric Interconnects, and once VLANs/VSANs are successfully confirmed, the workload is deployed into one of the compute servers in that domain.

Consolidation encodings representing designated receivers in a bit string

Granted: July 18, 2017
Patent Number: 9712458
In one embodiment, for each particular multicast flow of a plurality of multicast flows of packets a particular consolidation encoding of a plurality of consolidation encodings is selected based on the sparseness of bit positions within a bit string corresponding to designated receiving packet switching devices of the particular multicast flow. The packet switching device sends one or more packets corresponding to said particular packet, with each of these one or more packets including…

Dynamic DNS-based service discovery

Granted: July 18, 2017
Patent Number: 9712485
Techniques are provided for performing dynamic DNS-SD. In an embodiment, an apparatus includes one or more databases, one or more transceivers to receive a first Domain Name System (DNS) query from a first computing device, the first DNS query defining a first service discovery name space, and one or more processors in communication with each of the one or more databases and the one or more transceivers. The one or more processors generate and append a first metadata associated with the…

Orchestrating mobile data networks in a network environment

Granted: July 18, 2017
Patent Number: 9712634
A method is provided in one example and includes receiving a request for a service from a requestor, an determining at least a first network element and at least a second network element required to satisfy the request from among a plurality of network elements. The method further includes triggering a coordinating of a work flow between the first network element and the second network element responsive to the request. The method still further includes translating communication messages…

Systems, methods and media for location reporting at a charging area level granularity

Granted: July 18, 2017
Patent Number: 9712685
A method for location reporting at a charging area level granularity is provided. The method includes detecting at a mobility management entity (MME) a transition of a user equipment (UE) from a first cell to a second cell to obtain at least a second cell identifier. The method also includes determining at the MME whether the detected UE transition constitutes a transition from a first charging area to a second charging area using the second cell identifier by comparing the second cell…

Use of face and motion detection for best view framing in video conference endpoint

Granted: July 18, 2017
Patent Number: 9712783
A video conference endpoint detects faces at associated face positions in video frames capturing a scene. The endpoint frames the video frames to a view of the scene encompassing all of the detected faces. The endpoint detects that a previously detected face is no longer detected. In response, a timeout period is started and independently of detecting faces, motion is detected across the view. It is determined if any detected motion (i) coincides with the face position of the previously…

Method and system for visualizing social connections in a video meeting

Granted: July 18, 2017
Patent Number: 9712784
A method implemented on a computing device for conducting a video conference includes identifying at least some attendees of the video conference, acquiring a social graph associated with at least some of the attendees, and presenting at least a representation of a portion of the social graph to the attendees during said video conference.

Method and system for video conferencing units

Granted: July 18, 2017
Patent Number: 9712785
In one embodiment a system and method is described, the system and method including a first camera, which, when activated, captures a first video of a first field of view (FOV) a first display spatially associated with the first camera, the first display for displaying video received from a remote site when the first camera is activated, a second camera, which, when activated, captures a second video of a second FOV, a second display spatially associated with the second camera, the…

Regional conditional access

Granted: July 18, 2017
Patent Number: 9713070
In one embodiment, a system includes a control word processor to generate first regional-specific control word formation data items (RSCWFDI), for a first geographical sub-region of a primary geographical region which includes different geographical sub-regions, for use over cryptoperiods, the first RSCWFDI being used in generating control words in receiver-decoder devices, an encryption engine to encrypt content with the control words over the cryptoperiods yielding encrypted content, a…

Time synchronization of lighting services

Granted: July 18, 2017
Patent Number: 9713214
Techniques presented herein are directed to synchronizing the execution time of lighting operations within a networked lighting system. In one example, a network device that is connected to at least one networked light fixture accepts one or more timing reference messages representing a network time base. The network device generates one or more lighting control messages that identify at least one light control setting for the networked light fixture connected to the network device.…

Port-based fairness protocol for a network element

Granted: July 11, 2017
Patent Number: 9705812
Methods, apparatuses, and computer-readable medium for providing a fairness protocol in a network element are disclosed herein. An example method includes receiving one or more packets at each of a plurality of ingress ports of the network element, and scheduling the packets into a plurality of queues, wherein each of the queues is associated with packets that are sourced from one of the ingress ports. The method also includes monitoring a bandwidth of traffic sourced from each of the…