Abstract: An apparatus configured to apply equalization to an input data signal and detect data based on the equalized data signal. The apparatus includes a passive equalizer comprising a first signal path configured to generate a first signal based on an input signal, and a second signal path configured to generate a second signal by filtering the input signal. The apparatus further includes a sense amplifier having an input circuit configured to generate a third signal related to a combination of the first and second signals, and a data detection circuit configured to generate data based on the third signal. The data detection circuit may be configured as a strong-arm latch. The third signal may be a differential current signal including positive and negative current components. The strong-arm latch generating data based on whether the positive current component is greater than the negative current component.

Abstract: An improved quadrature modulator/demodulator (IQMD) may use two-phase quadrature local oscillator (LO) signal generation for generating 0° and 90° LO signals, and an anti-phase combiner/divider (at 0° and 180°) on the RF (radio frequency) port. The IQMD may include mixers (which may be double-balanced passive mixers) that function as downconverters when a signal is incident at their radio frequency (RF) ports, and function as upconverters when signals are incident on their intermediate frequency (IF) ports. Accordingly, the IQMD may function as an I/Q modulator by connecting digital-to-analog converters (DAC) to the differential I and Q ports, and/or it may also function as an I/Q demodulator by connecting analog-to-digital converters (ADC) to the differential I and Q ports.

Abstract: An electronic device includes a display device including a display panel, a clock generator configured to generate a first control clock having a first frequency, and a controller configured to drive the display panel, a communicator configured to perform communication through a wireless communication channel, and a change signal generator configured to generate a frequency change signal on a basis of a noise generated by the first control clock in the wireless communication channel, wherein the controller includes a receiver configured to receive the frequency change signal through a signal transfer line, and a clock convertor configured to convert, on a basis of the frequency change signal, the first control clock into a second control clock having a second frequency different from the first frequency to reduce the noise.

Abstract: Transmission quality is improved in an environment in which direct waves dominate in a transmission method for transmitting a plurality of modulated signals from a plurality of antennas at the same time. All data symbols used in data transmission of a modulated signal are precoded by hopping between precoding matrices so that the precoding matrix used to precode each data symbol and the precoding matrices used to precode data symbols that are adjacent to the data symbol in the frequency domain and the time domain all differ. A modulated signal with such data symbols arranged therein is transmitted.

Abstract: A method for signal transmission includes determining whether to perform repeated transmissions for a time length of a multiplication of L and M or more, wherein L indicates the overlapping factor of the system and M indicates a number of quadrature amplitude modulation (QAM) filter bank multi-carrier (FBMC) symbols, determining information on a type of the repeated transmissions to be performed, and transmitting FBMC symbols using a transmit power determined based on the type of the repeated transmissions. A base station includes a transceiver unit to send and receive signals, a control unit configured to determine whether to perform repeated transmissions for a time length of a multiplication of L and M or more, determine information on a type of the repeated transmissions to be performed, and transmit FBMC symbols using a transmit power determined based on the type of the repeated transmissions.

Abstract: A Management-as-a-Service (MaaS) agent running on a client network creates a reverse session-origination (RSO) tunnel between the client network and a MaaS server. The MaaS agent collects client statistics at and regarding the client network and transmits the client statistics to the MaaS server. The MaaS server analyzes the client data and sends alerts or other messages to a user, who may be outside the client network, in the event certain conditions are met.

Abstract: Embodiments of the present invention include systems and methods for detecting status of network elements, such as, applications, information handling systems, links, and the like, in a network. In embodiments, a system for detecting status of network elements in a network includes an agent that monitors status of one or more network elements related to a first information handling systems and sends a status notice to a status controller. In embodiments, the status controller receives status information from a number of status agents operating on other information handling systems in the network and uses that information to generate one or more reachability graphs. In embodiments, the status controller sends at least part of a reachability graph to one or more of the status agents in the network. In embodiments, an application on an information handling systems may query the local status agent to obtain status information regarding a network element.

Abstract: System and method for collecting values of one or more parameters of one or more clients that are communicatively connected to a server. A model is constructed based on the collected values of the one or more parameters to thereby model as a function of time the probability that the values of the one or more parameters of the one or more clients will change by an amount that is considered significant, e.g. at the server. An update of the one or more parameters is received from one of the clients. Responsive to receiving the update, the model is used to calculate a timing for the next update of the values from the one of the clients. The calculated timing for the next update is sent to the one of the clients.

Abstract: In an embodiment of the present disclosure, there is provided a computer-implemented method, wherein the computer is operable between a management server and at least one cloud server providing a cloud service, the method comprising: collecting management data related to the cloud service through a standard protocol for network management, wherein the standard protocol allows communication of the management data via a designated port; and sending at least part of the management data to the management server.

Abstract: Methods, computer program products, and systems are presented. There can be provided for example: obtaining user defined connectivity pattern information; and establishing commands for provisioning one or more network device for implementation of a network connection based on the user defined connectivity pattern information.

Abstract: Techniques for configuring/learning the link aggregation groups (LAGs) of a port extender (PE) at the time the PE joins an extended bridge are provided. According to one embodiment, a first network device in a system of network devices (e.g., an extended bridge) can receive a join message from a second network device in the system, where the join message includes a LAG configuration for one or more LAGs programmed on the second network device. The first network device can further determine whether a provisional LAG configuration for the one or more LAGs of the second network device exists on the first network device. If a provisional LAG configuration does not exist on the first network device, the first network device can learn the LAG configuration included in the join message and can integrate the second network device into the system based on the learned LAG configuration.

Abstract: Aspects automatically provisioning of cloud resources for ETL job execution as a function of optimizer output data. Access paths identify overall cost and individual step operator costs and statistics relative to cloud resources for executing an SQL commands against a relational database. In one aspect operator steps having high step costs are identified and amounts, types or speeds of a cloud resources associated with the step are adjusted to thereby reduce the step cost and the access path overall cost. In another aspect SQL text descriptors and step costs and function statistics are compared to knowledge base criteria for matches to criteria associated inefficient configurations cloud resources for revision to improve corresponding operation efficiency. In another aspect usages of cloud resources by operator steps are monitored and logged and compared to historic data of similar steps to determine under or over-utilization of resources.

Abstract: An information handling system includes a memory to store a configuration file, a provisioning server, and a server. The provisioning server detects a new server within the information handling system, and provides the configuration file new server. The server includes a controller to communication with the provisioning server, the controller to receive the configuration file from the provisioning server, to resolve a sticky attribute in the configuration file based on a type of the sticky attribute, to update the configuration file in response to resolving the sticky attribute, and to apply the updated configuration file to the server to configure components within the server.

Abstract: A service configuration system for an application service receives network data from a plurality of user devices, where each of the plurality of user devices runs a designated application specific to a service entity providing the application service. The service configuration system can determine, from the network data, that a network latency for a subset of the plurality of user device crosses a latency range bound by an upper and a lower latency threshold. The service configuration system may then generate and transmit a configuration signal to configure properties of the application service and/or the designated application running on the subset of user devices to compensate for the network latency.

Abstract: Systems, methods, software, and apparatus for managing computer networks are described where a combination of high levels of technical expertise and access rights preclude current users from installing mandated IDS and network management tools on the small office, home office (SOHO) and small branch installations. In some embodiments, the invention implements network packet capture and distributed packet and stream analysis using “hacker” techniques that redirect existing network packet flows to the network management and monitoring appliance without requiring the network user to have authorized access to reconfigure the router. The appliance then optionally forwards the redirected traffic to its destination, so the insertion of the appliance and its monitoring and management functions are transparent to the users.

Abstract: An operation method of a communication node in a vehicle network is disclosed. A transmission method performed by a communication node may be configured to comprise performing an initialization operation for transmission of an audio video bridging (AVB) stream, performing an operation of obtaining a buffer for the transmission of the AVB stream, performing the transmission of the AVB stream stored in the buffer, and performing an operation of finalizing the transmission of the AVB stream. Accordingly, performance of the vehicle network can be enhanced.

Abstract: Methods and systems enable optimized placement of wavelength shifters in optical networks. The wavelength shifters may include O-E-O regenerators for a single wavelength and all optical wavelength shifters for one or more wavelengths. An auxiliary graph is used to represent various links in a provisioned optical path. By applying cost values to each of the links, different types of optimizations for network resource utilization may be realized.

Abstract: A wireless network gateway may include monitoring and analysis functionality for automatically configuring the network gateway's connection characteristics based on an analysis of monitored network traffic.

Abstract: A network customer may support a plurality of network connectivity services (such as an E-line). A network connectivity service may experience spikes of traffic, and therefore, spikes of bandwidth usage. Dynamic capacity allows a network connectivity service to increase its available bandwidth during such traffic spikes. A computer-implemented method is disclosed that facilitates identifying network customers that might be interested in purchasing dynamic capacity. The method comprises collecting bandwidth utilization data of network connectivity services supported by each network customer, and identifying those connectivity services that exhibit patterns (e.g., cogent peaks) in their utilization data indicating the network connectivity service is a candidate for dynamic capacity.

Abstract: Adjacency detection systems and methods configured to detect physical interconnection between two devices in a network include communicating data with one or more controllers and data sources associated with the network; for a given port in the network to detect a corresponding port physically connected thereto, causing orchestration of changes in performance monitoring data for the given port over a period of time; and analyzing the data subsequent to the orchestration to detect the corresponding port. The systems and methods can operate over multiple network layers, with different vendor equipment, independent of network protocols, and in-service.

Abstract: The technology disclosed relates to sub-clustering within service clusters in real-time. In particular, it relates to accessing a network topology that records node data and connection data including processes running on numerous hosts grouped into local services on the hosts, the local services running on multiple hosts grouped into service clusters and sub-clusters of service clusters, and network connections used by the service clusters to connect the hosts grouped into service connections, wherein the node data includes software versions of the processes and process data with configuration files and clustering the multiple hosts with the service clusters into the sub-clusters based at least in part on the software versions.

Abstract: A network testing device is provided in order to validate network topology information and test various other attributes of a network. The network testing device may, in response to a command, obtain connection information from a network indicated in the command. The connection information may be compared to network topology information corresponding to the network. The network topology information may indicate which interfaces of a network device should be to be connected to which interfaces of other network devices. The network testing device may then return, in response to the command, a result of the comparison. Furthermore, the network testing device may return result of other network test performed by the network testing device on the network device.

Abstract: Methods and systems for determining a token master on a ring network are provided. According to one embodiment, a ring controller of a first blade participating in the ring network receives an indication that an arbitration token originated by an originating blade has been received. The ring controller compares the priorities of the originating blade and the first blade. When the priority of the originating blade is higher, the ring controller transmits the arbitration token to the next blade. When the priority of the originating blade is lower, the ring controller sets the first blade as the originating blade and transmits the arbitration token to the next blade. When the priorities are equal, the ring controller assumes the role of the token master, which is responsible for periodically transmitting a discovery marker onto the ring network to facilitate topology discovery.

Abstract: A Management-as-a-Service (MaaS) agent running on a SOPS creates collecting management statistics relating to the health, utilization, and performance of a subscriber on-premises system (SOPS). The MaaS agent forwards the collected data to a MaaS server, which stores the data in association with a tenant identifier (TID) in a multi-tenant database. The MaaS server tags user queries with the TID, so that the query result is based on management data for the respective SOPS, to the exclusion of SOPS associated with different TIDs. The use of multi-tenant techniques with non-multi-tenant SOPS allows one MaaS to manage plural SOPS while maintaining isolation of the management data for the respective SOPS. In addition, the use of multi-tenant techniques allows SOPS to be managed together with cloud-based subscriber applications, facilitating common management of hybrid cloud and on-premises systems.

Abstract: The described implementations relate to processing of electronic data. One implementation is manifest as one or more computer-readable storage devices comprising instructions which, when executed by one or more processing devices, cause the one or more processing devices to perform acts. The acts can include determining service levels provided by multiple network configurations, determining costs associated with the multiple network configurations, and evaluating the multiple network configurations based on both the costs and the service levels. The multiple network configurations can include redundantly-deployed devices. Furthermore, some implementations may determine cost/service level metrics that can be used to compare devices based on expected costs to provide a particular service level.

Abstract: The described technology is generally directed towards a subscriber service using configurable data (e.g., a declarative configuration file) data to make service calls to publisher endpoints. Dynamic reconfiguration of the data changes the service call communication parameters without needing to bring down the subscriber server or its service, and/or without needing to modify/rewrite programs for the reconfiguration.

Abstract: A relay apparatus includes a memory and a processor coupled with the memory. The processor is configured to determine whether a frame received from a first device is to be discarded. The frame includes first information set at a first communication layer and second information set at a second communication layer different from the first communication layer. The processor is configured to transmit the frame to a second device upon determining that the frame is not to be discarded. The second device is set as a destination in the first information. The processor is configured to extract third information from the second information upon determining that the frame is to be discarded. The processor is configured to output the third information.

Abstract: Embodiments of the present disclosure provide an apparatus and method for detecting channel spacing and a system. The apparatus for detecting channel spacing includes a first estimating unit configured to estimate a frequency offset of a center channel according to a received signal, a second estimating unit configured to estimate a frequency offset of a neighboring channel according to the received signal, and a determining unit configured to determine channel spacing according to the frequency offset of the center channel estimated by the first estimating unit and the frequency offset of the neighboring channel estimated by the second estimating unit. With the embodiments of the present disclosure, estimation accuracy of channel spacing may be ensured, and influence of non-ideal factors on estimation value may be reduced.

Abstract: Methods and apparatus for control of a client device (e.g., consumer premises equipment in a cable network) using applications. In one aspect, an improved hardware registry is provided within the device with which the application(s) can interface to both identify and control available hardware resources. In one exemplary embodiment, the client device comprises a digital set-top box having digital video recording (DVR) capability. An application downloaded to the device discovers the registry and software interfaces associated therewith, and then utilizes the interfaces to automatically control the requisite hardware capability. Improved client device, network and head end configurations, as well as methods of operating these systems, are also disclosed.

Abstract: A system and method for generating messages from a cloud-based server relating to cable test device usage. Provided is at least one test device configured to perform one or more cabling test procedures and a cloud-based server configured to couple to the at least one cable test device for transmission of data therewith. The cloud-based server includes a database configured to store test device activity data received from the one or more cable test devices. The cloud-based server includes a processor configured to define messages to be electronically delivered to one or more prescribed recipients contingent upon a defined event being satisfied by the received cable test device activity data and to analysis the cable test device activity data stored in the database to determine when a defined event has been satisfied. A message is electronically transmitted to the prescribed recipients when the defined event is determined satisfied.

Abstract: In an approach for providing a dynamic boundary based approach for monitoring and metering, a processor provisions at least one agent to one or more network accessible resources, wherein the at least one agent is configured to allow for monitoring and metering. A processor provides at least one dynamic boundary for monitoring and metering. A processor receives information captured by the at least one agent provisioned to the one or more network accessible resources based on the dynamic boundary for monitoring and metering. A processor causes the information to be available for use.

Abstract: A computing device for media connection channel quality testing is described, including communications hardware; non-volatile memory storing a test initiation program; and a processor configured to execute the test initiation program to: transmit, via the communications hardware, a plurality of comparative testing media streams to a test server, each of the comparative testing media streams sent over one of a plurality of media connection channels; receive, via the communications hardware, a plurality of objective quality scores from the test server, each objective quality score corresponding to one of the plurality of media connection channels and are determined by the test server using an objective scoring test comparing the comparative testing media stream to reference testing data associated with the one of the comparative testing media streams; and select a recommended operational media connection channel from the plurality of media connection channels based on the objective quality scores.

Abstract: A system for collecting and managing wind speed data via an external communications network comprises one or more wind stations, each including an anemometer producing wind speed signals, a station computing device converting the signals to wind speed data, a station memory securely storing the wind speed data on site and a station communication interface transmitting the wind speed data onto an external network. The system further comprises one or more data servers, each including a server computing device, a server communication interface receiving the wind speed data from the wind stations and a server memory storing the received wind speed data. The data server can determine if the received wind speed data satisfies predetermined conditions for certification and/or triggering a payout in accordance with a contract, and can thereafter transmit the appropriate data signals to another location on the external communications network.

Abstract: Communication media for providing indication of signal power to a network entity include communication paths extending from a first end to a second end; and a connector assembly terminating the first end of the communication paths, the connector assembly including a physical layer management (PLM) interface that is isolated from signals on the communication paths. The connector assembly includes a signal sensor that senses signal power propagating through the connector assembly to/from the communication paths; a programmable processor coupled to the signal sensor and the PLM interface; and data storage devices that include first instructions that cause the programmable processor to receive a signal from the signal sensor corresponding to the signal power detected by the signal sensor, and to send an indication of the signal power propagating through the connector assembly, the programmable processor sending the indication over the PLM interface to a network entity.

Abstract: A system is provided for clustering events. A first engine is configured to receive message data from managed infrastructure that includes managed infrastructure physical hardware that supports the flow and processing of information. A second engine determines common characteristics of events and produces clusters of events relating to a failure of errors in the managed infrastructure. Membership in a cluster indicates a common factor of the events that is a failure or an actionable problem in the physical hardware managed infrastructure directed to supporting the flow and processing of information. One or more situations are created that is a collection of one or more events or alerts representative of the actionable problem in the managed infrastructure. In response to the production of the clusters one or more physical changes in the managed infrastructure hardware.

Abstract: Described are methods and system for maintaining network service levels. In general, the system identifies, using records of network incidents, a first plurality of network incidents occurring over a first portion of a measurement period and a second plurality of network incidents occurring over a subsequent second portion of the measurement period. The system then determines a plurality of remaining incidence tolerance limits based on an impact of the first and second pluralities of network incidents on corresponding sets of incidence tolerance limits for the measurement period, generates severity metric values for at least a subset of the second network incidents based on aggregate impact characteristics of one or more of the second plurality of network incidents weighted by remaining incidence tolerance limits associated with each of the second network incidents in the subset of the second network incidents, and selects one or more network incidents for remediation.

Abstract: System and method for optimizing event alerts in an information technology (IT) infrastructure management system are disclosed. In one embodiment, the method comprises tracking one or more event alerts triggered by monitoring tools. The method further comprises determining a probable usage for at least one configuration item associated with the one or more event alerts. The method further comprises determining a probable threshold value for each of the at least one configuration item based on the probable usage and capacity data. The method further comprises computing a final threshold value for each of the at least one configuration item based on the probable threshold value, seasonality data, or semantic context data. The method further comprises optimizing the event alerts by filtering at least one unwanted event alert from the one or more event alerts based on at least one of the final threshold value and filtering rules.

Abstract: A mechanism is provided for debugging of system-wide packet loss issues in network devices by automatically identifying packet loss conditions at runtime of the network device and by logging and analyzing relevant data to help diagnose the issues resulting in lost packets. A network programmer defines a path through the communications processor that identified packets should follow, and then hardware mechanisms within the modules of the communications processor are used to determine whether the packets are indeed following the defined path. If not, then the hardware mechanisms halt processing and logging being performed by all or part of the communications processor and provide logged information and packet information to an analysis tool for display. In this manner, debugging information can be provided in real time, along with a history of the packet's progress through the communication processor stages.

Abstract: A variation of a packet gap between packets sent from a source node and a packet gap between packets received by a destination node is determined; then an intensity of the packet gap variation is determined; and finally whether transmission congestion occurs between the source node and the destination node is determined according to the intensity of the packet gap variation. Therefore, accuracy of identifying a cause of a packet loss is improved, thereby avoiding impact of a transmission bit error.

Abstract: There is provided a communication device that performs communication through a bus, including: a transmitting and receiving unit configured to transmit and receive a signal to and from at least one other communication device; and an error detection unit configured to, when the transmitting and receiving unit transmits and receives the signal, detect whether an error has occurred in the signal using a specific error detection method according to transmission and reception of the signal. The signal is transmitted and received between a first communication device, which is the communication device having a communication initiative through the bus, and a second communication device, which is the communication device configured to perform communication under control of the first communication device.

Abstract: Methods and systems for monitoring a service provided over a packet-switched network, such as an Internet Protocol television (IPTV) service, an Internet access service, or a voice-over-Internet-Protocol (VoIP) telephony service. Various parameters related to the service (e.g., parameters indicative of packet loss, packet corruption or other packet error) are determined and used to assess various aspects of the service and/or network over which the service is delivered, including a quality of experience (QoE) of subscribers.

Abstract: A method includes receiving an anomaly data point and comparing the anomaly data point to a magnitude bounding box to produce a first comparison. The method also includes comparing the anomaly data point to a principal component analysis (PCA) bounding box to produce a second comparison and classifying the anomaly data point in accordance with the first comparison and the second comparison to produce a classification.

Abstract: Disclosed herein are system, method, and computer program product embodiments for performing distributed correlation to determine a probable cause for a performance problem detected in an application. An embodiment operates by triggering an alert for a performance metric of an application executing on a local-level node. The alert may be sent to a higher-level node. Upon receiving the alert, the higher-level node may send a distributed correlation request, used to determine a root cause of the alert, to the lower-level node. Upon receiving the distributed correlation request, the lower-level node may produce and send a correlation result to the higher-level node. Upon receiving the correlation result, the higher-level node may select the probable cause of triggering the alert based on the correlation result. The probable cause may then be presented to the user.

Abstract: System and method embodiments for generating and transmitting a sounding frame in wireless network. In an embodiment, a method for uplink multi-user feedback polling in a wireless network includes generating, by an access point (AP) in the wireless network, a sounding frame including a physical layer (PHY) trigger and a list of stations (STAs) to provide feedback, the PHY trigger indicating that the STAs in the list of STAs are to perform channel estimation; transmitting, by the AP, the sounding frame to one or more STAs; and receiving, by the AP, one or more uplink multi-user feedback frames from the STAs.

Abstract: A system includes: a processor in electrical communication with a data packet network that includes a first network device having a first network node and a second network device having a second network node. The system also includes a non-transitory memory having stored instructions, when executed by the processor, configured to perform acts including: generating a frame denoting a protocol data unit (PDU) to implement at least one OAM function within the data packet network; encapsulating the PDU in a packet having a header; transmitting the packet from the first network node to the second network node. The PDU is a generic PDU (GPDU) for implementing at least one generic OAM (GOAM) function across the first and second network nodes operating different transmission protocols. The header includes GOAM indication information denoting the presence of the GPDU within the packet.

Abstract: On a server, a collision handler is called by a physics simulation engine to categorize a plurality of rigid bodies in some simulation data as either colliding or not colliding. The simulation data relates to a triggering event involving the plurality of rigid bodies and is generated by a simulation of both gravitational trajectories and collisions of rigid bodies. Based on the categorization and the simulation data, a synchronization engine generates synchronization packets for the colliding bodies only and transmits the packets to one or more client computing devices configured to perform a reduced simulation function.

Abstract: Embodiments include predicting transactions by an entity and identifying promotions to offer the entity. Aspects include parsing a plurality of event records corresponding to a plurality of entities respectively. Aspects also include identifying a sequence of events corresponding to the entity and discretizing time intervals and event values of the sequence of events into discrete symbolic values. Aspects further include generating a temporal pattern of events in the sequence of events, the temporal pattern including a sequence of transaction-symbols representative of the time interval and the event value of the events in the sequence of events of the entity and predicting a next transaction based on the temporal pattern.

Abstract: Methods and systems for a networked storage environment are provided. One method includes monitoring at a time interval a plurality of resources of a cluster of the networked storage environment having a plurality of nodes and storage devices for storing data on behalf of a plurality of users, where a processor of a management console monitors the plurality of resources; retrieving performance data of a storage volume presented by one of the nodes of the cluster; comparing the performance data with a threshold value to determine whether resources associated with the storage volume are being used; increasing the time interval for monitoring the associated resources when the performance data continues to be consistently below the threshold value for a certain duration; and decreasing the time interval for monitoring the associated resources when the performance data continues to be consistently above the threshold value for a certain duration.

Abstract: A cable testing system and method including at least one testing device configured to perform cabling testing pursuant to a cabling testing configuration and a cloud-based server device configured to couple, via the Internet, to the at least one testing device. The server device includes a database configured to store one or more cabling testing configurations and a processor configured to send one or more cabling testing configurations from the database to the at least one testing device such that the at least one testing device performs a cabling test pursuant to the cabling test configuration received from the server device.

Abstract: Techniques for handling port identifier overflow when implementing Spanning Tree Protocol (STP) in a networking system are provided. According to one embodiment, a network device can receive a spanning tree protocol (STP) bridge protocol data unit (BPDU) and can extract a port identifier value from the BPDU. The network device can then determine a port number component of the port identifier value by decoding the least significant fourteen bits of the port identifier value and can determine a port priority component of the port identifier value by decoding the most significant two bits of the port identifier value.