Abstract: Systems and methods are described for effectively managing and maintaining a communication network by monitoring communications to detect a loop condition, and effectively route the communication to one or more destinations known to reduce or eliminate the occurrence of a looping condition.

Abstract: Example data transmission methods and apparatus are disclosed. One example method includes receiving a first data packet. When a first ring node detects that a link between the first ring node and a second ring node on a first ring port is faulty, it is determined whether the received first data packet is a wrapped data packet. If the first data packet is a non-wrapped data packet, a second ring port is determined based on the first ring port, the first data packet is wrapped into a wrapped data packet to generate a second data packet, and the second data packet is forwarded through the second ring port.

Abstract: An implementation of the present disclosure relates to a resource configuration method and an access network device, wherein the method comprises: the access network device receives a plurality of time-sensitive communication assistance information (TSCAI) sent by a core network device, the plurality of TSCAI correspond to traffic attributes of a plurality of traffic flows; and the access network device configures semi-continuous scheduling resources for each traffic flow in the plurality of traffic flows according to the plurality of TSCAI.

Abstract: A system and method systematically manage network devices. A memory stores a solution inventory list of network solutions of the network devices. An input/output device receives Internet Protocol (IP) addresses and commands. A parsing system validates the IP addresses and commands, and searches the solution inventory list for solutions based on the IP addresses. An interactive system performs natural language processing of interactions with the network devices, sets a timeout period, and executes the commands to implement the found solutions. A reporting system generates a report indicating that the commands are successfully executed. The input/output device outputs the report. A method implements the system.

Abstract: Described herein are systems, methods, and software to manage communication path configurations between edge gateways in a computing environment. In at least one implementation, a controller monitors network characteristics associated with routes from a first edge gateway to a second edge gateway and determines whether a first route configuration for the first edge gateway to communicate with the second edge gateway fails to satisfy criteria based on the network characteristics. If the first route configuration fails to satisfy the criteria, the controller determines a second route configuration and applies the second route configuration for the first edge gateway to communicate with the second edge gateway.

Abstract: Systems and methods are described for effectively managing and maintaining a communication network by monitoring communications to detect a loop condition, and effectively route the communication to one or more destinations known to reduce or eliminate the occurrence of a looping condition.

Abstract: A wiring system for an automobile connecting a processor and a plurality of devices, using one or more backbone sections. The processor and devices are connected to one another to form a first loop and a second loop, such that data may be transmitted along the first loop and data may be transmitted along the second loop.

Abstract: Decoupling of a first machine from a plurality of machines in a network is disclosed. Each machine has a machine identifier. The plurality of machines are organized into a linearly ordered sequence in accordance with a predefined order of the machine identifiers. The first machine is configured to receive a query from a preceding machine and propagate the query to a succeeding machine in the linearly ordered sequence. Prior to decoupling from the network, the first machine informs respective presence of a first subset of machines to a second subset of machines that are not overlapping with the first subset of machines. The first subset of machines includes a machine having a lower machine identifier relative to the machine identifier of the first machine, and the second subset of machines includes a machine having a higher machine identifier relative to the machine identifier of the first machine.

Abstract: Monitoring systems and methods for data collection in an industrial environment are described. A system can include a first and second data collector coupled to input channels and a data acquisition circuit to interpret detection values corresponding to the input channels, wherein the sensor data is acquired from a first route of input channels. A data storage may store sensor specifications for sensors corresponding to the input channels and a data analysis circuit may evaluate the sensor data with respect to stored anticipated state information including an alarm threshold level. When the threshold is exceeded, a communication circuit communicates with a second data collector which transmits a state message related to a first input channel. A response circuit changes a routing of the input channels from a first routing to an alternate routing based on the state message from the second data collector.

Abstract: A counter-directional optical network having multiple channels includes a source module connected with at least two network nodes by a fiber ribbon including an array of optical fibers. Each channel includes at least one optical fiber. The source module includes multiple signal sources, each signal source connected with one of the channels and operable to transmit a source signal in a direction in the channel. Each network node includes a modulator for processing the source signal with a data input signal forming a message signal, a switch for selecting one of the channels to transmit the message signal and a receiver connected with one of the channels for receiving a message signal from another node. The message signal is transmitted to the receiver of a receiving node in a direction opposite to the transmission direction of the source signal via the channel connected to the receiver of the receiving node.

Abstract: A method and system for using plug-in analysis modules to analyze network traffic data is disclosed. The network has computing devices coupled to a network traffic appliance that routes data to and from the computing devices. A plug-in network analysis module is installed on a network traffic recommendation engine. The network analysis module is run to obtain selected network traffic data on the network. The selected network traffic data is analyzed via the network analysis module. A recommendation is output based on the selected network traffic data. A policy is adjusted based on the recommendation to improve the efficiency of the network traffic to the computing devices.

Abstract: A method and system for bidirectional data, power transmission, electrical/electronic fault isolation, and system recovery is shown and described. An exemplary embodiment includes a DC power source, a main power controller (“MPC”) with a MPC microprocessor and an MPC power switcher driver and fault switching control circuit, and a plurality of Nodes connected to the DC power source through conductors that allow both power to be supplied and bidirectional data transfer between a data receiver and the plurality of Nodes. The fault switching control circuit can provide for short detection and isolation (or other fault detection and isolation) without the direct involvement of the MPC microcontroller. The combined use of the conductors for power, data transmission, and fault detection and isolation offers significant advantages over the prior art in terms of weight reduction, system modularity, and complexity, as well as system protection and survivability.

Abstract: Embodiments provide a protection switching method and system, a network device, and related communications technologies. In various embodiments, if n links carrying a client service are unavailable in a FlexE link group, at least one protection link can be selected, by a first network device, from links other than the n links in the FlexE link group. A calendar request can be sent, by the first network device, to a second network device over the protection link. A calendar acknowledge can be sent by the second network device over the protection link and can be received, by the first network device. A transmission of the client service can be switched over from the n links to the protection link. In the present invention, an application requirement of the FlexE for protection switching is satisfied.

Abstract: The present invention relates to an optical network element (30, 34) comprising a wavelength selective switch, WSS, (432, 136) with one or more input ports, a working output port (38) and a separate protecting output port (40), the WSS (432) being configurable to a working configuration, in which one or more channels are routed from said one or more input ports to the working output port (38), and being configurable to a protecting configuration, in which said one or more channels or a subset thereof are routed from said one or more input ports to the protecting output port (40), or with a working input port (42) and a protecting input port (44) and with one or more output ports, the WSS (136) being configurable to a working configuration, in which one or more channels are routed from the working input (42) port to the one or more output ports, and being configurable to a protecting configuration, in which one or more channels are routed from the protecting input port (44) to the one or more output ports, a c

Abstract: In a network of a plurality of machines and a server, the machines have self-organized into a linearly ordered sequence in accordance with a predefined order of their respective machine identifiers. The linearly ordered sequence includes one or more local segments each include a first machine followed by a sequence of second machines. A query regarding management information of a local segment is injected into the network at the first machine of the local segment. The query is forwarded along the local segment, and each machine in the local segment responds to the query by adding its own local information to any answers already accumulated in the payload of the query. A second machine in the local segment sends a report message containing aggregated management information that has been collected in the payload of the query to the server.

Abstract: A relay device communicates with first and second terminal devices via first and second communication networks, respectively. The relay device determines whether or not a line stability and a line speed of each of the first and second communication networks satisfy a predetermined condition. When a line stability and a line speed of each of the first and second communication networks satisfy the predetermined condition, the relay device temporarily stores, in a memory, data received from the first terminal device via the first communication network, and transfers the temporarily stored data to the second terminal device via the second communication network.

Abstract: Embodiments of the present invention relate to the communications field, and provide an access control apparatus, system, and method. The method includes: receiving a first service chain forwarding rule sent by a controller; receiving a first packet sent by a classifier; and when a service chain identifier carried in the first packet matches a first service chain identifier in the first service chain forwarding rule, forwarding the first packet to a first access network element according to a first identifier.

Abstract: A determination method includes obtaining, from a computer, history information of change time points indicating times at which processing for making a change to a program is executed; determining a predetermined time interval indicating an interval of the change time points; determining a first time period later than a latest change time point extracted from the history information, and a second time period earlier than the first time period; obtaining, from the computer, log messages including history of operations and operation time points corresponding to the operations; extracting, from the log messages, a first appearance pattern indicating a pattern of operations that appeared in the first time period and a second appearance pattern indicating a pattern of operations that appeared in the second time period; and determining whether a failure occurred in the first time period, based on a difference between the first appearance pattern and the second appearance pattern.

Abstract: A network of switches having ports coupled to other switches or end hosts may be controlled by a controller. The controller may identify whether any switch ports have failed. In response to identifying that a port has failed at a first switch, the controller may modify link aggregation group mappings of the other switches to handle failover. The controller may modify the link aggregation group mapping of each other switch to include a first mapping that includes ports coupled to the first switch and a second mapping that does not include any ports coupled to the first switch. The controller may configure forwarding tables at the switches to forward network packets using the first or second mappings based on network topology information maintained by the controller.

Abstract: Some demonstrative embodiments include apparatuses, devices, systems and methods of communicating a wide-bandwidth data frame. For example, an apparatus may include a controller to generate at least one wide-bandwidth data frame to be transmitted over a wide-bandwidth millimeter-Wave (mmWave) channel, the wide-bandwidth mmWave channel including a plurality of mmWave channels; and a transmitter to transmit a plurality of reservation frames over the plurality of mmWave channels, a reservation frame of the plurality of reservation frames including a duration value corresponding to a duration of the wide-bandwidth data frame and a wide-bandwidth indication to indicate that the wide-bandwidth data frames are to be transmitted over the wide-bandwidth mmWave channel, the transmitter to transmit the at least one wide-bandwidth data frame over the wide-bandwidth mmWave channel.

Abstract: A communication system includes a source node and an end node of a first working path, a source node and an end node of a second working path, and a source node and an end node of a common path serving as a protection path shared by the first and second working paths. The source node of the common path transfers one of signals received from the source nodes of the first and second working paths to the common path, and the end node of the common path transmits the signal received through the common path to each of the end nodes of the first and second working paths.

Abstract: A method of communication between devices of a building management system (1) over a token ring network, comprising the steps of: a first device receiving (101) the token (2) for the token ring network; the first device, in response to receiving the token (2), broadcasting (105) a request message over the network; a second device, in response to receiving the request message over the network, sending a command message to a receiving device over the network; and the first device passing (107) the token (2) for the token ring network to a subsequent device on the network.

Abstract: Various embodiments associated an inter-network policy that is implemented for use across multiple networks are described. Individual networks can have individual policies that govern how communications are handled, how resources are allocated, and other metrics. When individual networks work together, these networks can experience problems if their individual policies conflict with one another. Therefore, the inter-network policy can be generated that facilitates the individual networks working together.

Abstract: A system for configuring a plurality of security devices is provided. The system is configured to automatically generate one or more policy definition files and use the files to integrally control security configurations for a plurality of security devices in one or more networks. The system includes a security control module and one or more policy agent modules. The security control module converts security parameters to the one or more security policy definition files. The policy agent modules receive the security policy definition files and extract a plurality of policy configuration parameters from the security policy definition file. The plurality of policy configuration parameters is passed to the associated security devices. The security control module maintains communication with other components in the system, such as a checking module and a reporting module.

Abstract: A communication bus system is provided. The communication bus system includes a communication bus having a plurality of isolatable segments and a bus master coupled to a first end of the communication bus. The bus master is configured to couple to a second end of the communication bus and to decouple from the second end of the communication bus based on a selection signal. A method for operating a communication bus is also disclosed.

Abstract: A timing controller capable of communicating with a host via a Mobile Industry Processor Interface (MIPI) interface and communicating with a display via a display interface, includes a detection circuit that detects whether at least one of the MIPI interface and the timing controller is operating normally, and generates a detection signal, and an interrupt generation circuit that transmits the detection signal as an interrupt to the host via an exclusive line.

Abstract: A storage device is provided to maintain a count of flow control credits to be granted to a device in association with transactions over a channel to be implemented on a data link and control logic is provided to communicate, to the device, an indication of an amount of flow control credits for the device in association with a reset of the data link.

Abstract: An access node in a wireless communication network receives a transmission that includes first and second signals. The first and second signals may be layers of a multiple-input multiple-output transmission and may also be from first and second terminal nodes. The access node derives first and second local reference signals from the transmission received using first and second antennas and estimates channel transfer functions associated with the channel through with the transmission is received. Estimating the channel transfer function can include correlating at least a portion of an expected reference signal associated with the first signal with a corresponding portion of the first local reference signal and correlating at least a portion of an expected reference signal associated with the second signal with a corresponding portion of the second local reference signal. The expected reference signal portions used to estimate the channel transfer functions may be non-orthogonal.

Abstract: An enhanced general input/output communication architecture, protocol and related methods are presented.

Abstract: An enhanced general input/output communication architecture, protocol and related methods are presented.

Abstract: In one embodiment, a source transmits one or more data packets to a destination over a primary pseudowire (PW). When a device on the primary PW detects a downstream failure of the primary PW, and in response to receiving one or more data packets from a source from the failed primary PW, the device adds a loopback packet identifier to the one or more received data packets, and returns the one or more data packets with the loopback packet identifier to the source upstream on the primary PW. Accordingly, in response to receiving the data packet returned with a loopback packet identifier from the primary PW (in response to the downstream failure), the source retransmits the one or more data packets to the destination over a backup PW.

Abstract: A communications controller is provided. The communications controller includes a flow manager that classifies a packet flow serviced by more than one transmission points (TPs) as one of a plurality of slices in accordance with at least one of a nature of the packet flow, a load status of each of the plurality of slices, and feedback information provided by the more than one TPs, and alters a classification of the packet flow in accordance with the load status of each of the plurality of slices, and feedback information provided by the TPs served by the communications controller. The communications controller also includes a memory coupled to the flow manager, the memory stores a packet of the packet flow in one of a plurality of packet queues in accordance with the classification of the packet flow.

Abstract: A storage device is provided to maintain a value of flow control credits allocated for a device on a channel and flow control logic is provided to receive a flow control signal over a link of an interconnect, the flow control signal indicating flow control credits allocated for the device on the channel. The flow control logic is further to update the value of flow control credits based on activity of the device on the channel.

Abstract: Systems and method provide for the writing of a data block and corresponding metadata block to a storage location. Metadata and data block are encoded separately. The metadata and data block may be moved to a different location due to garbage collection, defragmentation, or some other prompt. The metadata is decoded, modified, re-encoded and written to the different location whereas the data block can be written to the new location without re-encoding.

Abstract: A data transmission system (200) comprises: a main optical packet ring (201) comprising a plurality of separate packet transmission channels; and a plurality of secondary optical packet rings (202) interconnected through the main optical packet ring. Each of the secondary optical packet rings (202) comprises a plurality of nodes (400). Each of said packet transmission channels of the main optical packet ring (201) is connected to a different node of each secondary optical packet ring (202), respectively.

Abstract: This document discloses a solution for outputting a message sequence chart in a computer apparatus. Messages transferred in a communication network are acquired, wherein the messages are logically divided into control plane messages and data plane messages and each message is associated with its transmission direction. Display of the control plane messages is caused on a display screen in the message sequence chart and in a form where each control plane message is displayed together with a unidirectional indicator indicating the transmission direction of the control plane message. Display of the data plane messages is caused in the message sequence chart in a compressed form with a single multidirectional indicator representing a plurality of data plane messages and indicating the transmission directions of the plurality of data plane messages.

Abstract: Systems, methods, and non-transitory computer-readable storage media for a miscabling detection protocol. One or more switches can periodically send miscabling protocol (MCP) packets on non-fabric ports on all configured EPG VLANs. A first switch located at a network fabric receives a miscabling protocol (MCP) packet indicating an identity of an originating switch and a port number of an originating port of the MCP packet via a receiving port on the first switch, wherein the MCP packet is received from an external network connected to the receiving port, and wherein the originating switch and originating port are also located at the network fabric and connected to the external network. Based on the MCP packet, the first switch then detects a loop between the receiving port, the originating port, and the external network. Next, the first switch blocks the receiving port or the originating port in response to detecting the loop.

Abstract: A communication system includes a source node and an end node of a first working path, a source node and an end node of a second working path, and a source node and an end node of a common path serving as a protection path shared by the first and second working paths. The source node of the common path transfers one of signals received from the source nodes of the first and second working paths to the common path, and the end node of the common path transmits the signal received through the common path to each of the end nodes of the first and second working paths.

Abstract: A protection path providing method is used in a network that includes a shared section in which a first protection path corresponding to a first work path to transmit a first traffic and a second protection path corresponding to a second work path to transmit a second traffic are configured. The method includes: transmitting a message that includes information indicating a transmission rate of the first work path via a logical ring, the logical ring being formed using a route for which the first work path is configured and a route for which the first protection path is configured, when a failure is detected in the first work path; and controlling a switch circuit installed in a transmission device provided at an end of the shared section in accordance with the message in such a manner as to transmit the first traffic via the shared section.

Abstract: Embodiments of the present invention provide a method and device for label automatic allocation in ring network protection. The method includes: after physical topology configuration of ring network protection is completed, if connectivity detection between a first node and a downstream node of a ring tunnel is UP, receiving, a first label distribution message sent by the downstream node; sending, by the first node according to the identifier indicating that the tail node label is ready, a second label distribution message to the upstream node; so that the upstream node learns that label allocation for all nodes on the ring tunnel between the first node and a tail node is completed. The method solves problems in the prior art that a workload for configuration of a working ring is big and availability of an end-to-end service cannot be ensured.

Abstract: Embodiments of the present invention provide a method and device for label automatic allocation in ring network protection. The method includes: after physical topology configuration of ring network protection is completed, if connectivity detection between a first node and a downstream node of a ring tunnel is UP, receiving, a first label distribution message sent by the downstream node; sending, by the first node according to the identifier indicating that the tail node label is ready, a second label distribution message to the upstream node; so that the upstream node learns that label allocation for all nodes on the ring tunnel between the first node and a tail node is completed. The method solves problems in the prior art that a workload for configuration of a working ring is big and availability of an end-to-end service cannot be ensured.

Abstract: Techniques for reducing the latency in performing a failover from a protected connection to its backup connection when a network event is detected affecting the protected connection. In an MPLS network, techniques are provided for failing a protected LSP to a backup LSP in a fast and efficient manner. In one embodiment, the faster failover is facilitated by storing protected LSPs and their backup LSPs information in the data plane, such as locally on a linecard.

Abstract: A connection-oriented network (5) has a plurality of connections terminated at a first node (N6). A recovery group (A) is configured at the first node (N6) comprising at least two of the plurality of connections (LSP1-6, LSP2-6, LSP3-6, LSP4-6). Fault detection is performed over each of the connections in the recovery group (A) and the node determines if at least one recovery group fault condition is met, based on the results of the fault detections performed over the connections in the recovery-group (A). When the at least one recovery group fault condition is met, the node causes traffic on the plurality of connections in the recovery group (A) to be transferred to backup paths. When the at least one recovery group fault condition is not met, and a fault has been detected on a connection in the recovery group (A), the node causes traffic to be transferred from that connection to a backup path.

Abstract: Embodiments of an enhanced Node B (eNB) and method for precoding with reduced quantization error are generally described herein. In some embodiments, first and second precoding-matrix indicator (PMI) reports may be received on an uplink channel and a single subband precoder matrix may be interpolated from precoding matrices indicated by both the PMI reports. Symbols for multiple-input multiple output (MIMO) beamforming may be precoded using the interpolated precoder matrix computed for single subband for a multiple user (MU)-MIMO downlink orthogonal frequency division multiple access (OFDMA) transmission. In some embodiments, each of the first and second PMI reports includes a PMI associated with a same subband that jointly describes a recommended precoder.

Abstract: Embodiments of the present invention disclose a method for implementing shared mesh protection includes: receiving, by a first node, a message of a second type sent by a second node, where the message of the second type carries a second positive incoming sublabel allocated by the second node for a protection path of a first service and the second positive incoming sublabel is used to indicate a specified feature of recovery information of the first service; allocating, by the first node, a first positive outgoing label for the protection path of the first service based on the second positive incoming sublabel, where the first positive outgoing label corresponds to the second positive incoming sublabel; and transmitting the recovery information of the first service to the second node based on an indication of the first positive outgoing sublabel when knowing that a working path of the first service is faulty.

Abstract: An information processor capable of ensuring time synchronization accuracy, ensuring EtherCAT command consistency, and easily developing the software based on a 2-port configuration even when a communication path error occurs includes: an arithmetic section; at least two communication sections each including a transmission section and a reception section; and a redundant communication control section that controls a communication path between the arithmetic section and the communication section. The redundant communication control section includes: a communication path state determination section that determines a network path state; and a redundant path switching section that switches connection between the arithmetic section and at least two communication sections.

Abstract: An enhanced general input/output communication architecture, protocol and related methods are presented.

Abstract: An enhanced general input/output communication architecture, protocol and related methods are presented.

Abstract: A method and a system to provide daisy chain distribution in data centers are provided. A node identification module identifies three or more data nodes of a plurality of data nodes. The identification of three or more data nodes indicates that the respective data nodes are to receive a copy of a data file. A connection creation module to, using one or more processors, create communication connections between the three or more data nodes. The communication connections form a daisy chain beginning at a seeder data node of the three or more data nodes and ending at a terminal data node of the three or more data nodes.

Abstract: An enhanced general input/output communication architecture, protocol and related methods are presented.