Abstract: Measures for providing timer services in a network including a cluster of nodes responsible for providing timer services to clients. At a given node in the cluster, a request to provide a timer is received from a client. Configuration of a primary replica of the requested timer on a first node in the cluster to pop after a first time has elapsed is initiated. A first timer replication message is transmitted to a second node in the cluster, the first timer replication message indicating that the second node should configure a first backup replica of the requested timer. A second timer replication message is transmitted to a third node in the cluster, the second timer replication message indicating that the third node should configure a second backup replica of the requested timer. Popping of the primary, first backup or second backup timer replicas includes initiating callback of a given client.

Abstract: Disclosed are a method for determining a hybrid automatic repeat request (HARQ) process number (HPN) allocated to downlink link (DL) data, a method for notifying a HPN allocated to the DL data, a method for allocating a HPN to DL data, a base station, and a user equipment. The method for determining a HPN allocated to DL data includes: receiving DL control information (DCI) associated with DL data; determining, according to the DCI, whether the DL data satisfies a predetermined condition; and when the DL data satisfies the predetermined condition, determining the HPN allocated to the DL data based on a HPN field and an additional field in the DCI.

Abstract: Systems and methods for fast restoration in a network using a control plane include detecting a failure on a link associated with the node; and providing failure information through in-band data path overhead of an affected connection, wherein the in-band data path overhead is sent over a fast path, wherein the failure information is received at an originating node of the affected connection via the fast path, prior to the originating node receiving control plane signaling via a slow path relative to the fast path.

Abstract: Various embodiments disclosed herein provide a method for grouping user planes in 4G/5G packet cores to simplify user plane discovery and registration. In some embodiments the method includes detecting a plurality of User Planes (UPs), grouping a first subset of the UPs into a first UP group, in which each UP in the first UP group is associated with a first set of features, and allocating the first UP group to a first network service based on the first set of features associated with the first UP group and a first set of requirements of the first network service. The method further includes grouping a second subset of the plurality of UPs into a second UP group, in which each of the second UP group is associated with a second set of features and allocating the second UP group to a second network service of a plurality of network services.

Abstract: A method of causing a computer to execute: classifying, based on topology for indicating connection relationships among a data-provision apparatus, distribution-destination apparatuses corresponding to distribution destinations of distribution targets, and relay apparatuses configured to relay communications between the data-provision apparatus and the distribution-destination apparatuses, the mutual distribution-destination apparatuses; identifying a first distribution-destination apparatus having a highest communication speed of a directly connected link among the distribution-destination apparatuses belonging to the group; and creating a distribution schedule of the data in a manner that the data is transmitted from the data-provision apparatus to the first distribution-destination apparatus in the same group, and next, the data is transmitted from the first distribution-destination apparatus to a second distribution-destination apparatus other than the first distribution-destination apparatus in the group

Abstract: One embodiment provides for continuously adaptive business process management definition and execution including generating a continuously adaptive business process model and execution environment. New goals are discovered. Entity information is extracted from input documents. A model knowledge graph is generated that includes a first parse-tree for process fragments using the discovered new goals and the extracted entity information.

Abstract: A method and system for accelerating monitoring of network traffic. The method may include receiving, at a network chip of a network device, a network traffic data unit; selecting, by the network chip, the network traffic data unit based on a traffic sampling rate; processing, by the network chip, the network traffic data unit to obtain sample information; truncating the network traffic data unit to obtain a network traffic data unit portion; generating a flow sample header comprising the sample information; storing, in storage of the network chip, a flow sample comprising the flow sample header and the network traffic data unit portion; constructing a flow datagram comprising the flow sample and a plurality of other flow samples; sending the flow datagram to a collector; and clearing the flow sample and the plurality of other flow samples from the storage of the network chip.

Abstract: The embodiments of the present invention disclose a method for detecting and processing a radio link and an apparatus. The method includes: configuring, by a access network device, independent radio link detection parameters for one or more wireless physical layer parameters used by a terminal device; and detecting, by the terminal device, radio links of the one or more wireless physical layer parameters, reporting a detected radio link failure of a wireless physical layer parameter to the access network device, and processing, under scheduling and configuration performed by the access network device, data on the wireless physical layer parameter whose radio link fails.

Abstract: Disclosed herein are systems, methods, and computer readable media for modifying IP backbone link weights such that multicast traffic and unicast traffic will not travel on a same path between nodes. The method comprises assigning link weights to nodes within an IP backbone such that multicast forwarding paths and unicast forwarding paths are failure disjoint, and delivering undelivered multicast packets using IP unicast encapsulation to the loopback address of next hop router on a multicast tree upon link/interface failure.

Abstract: A transfer device according to the present invention is a switching device that is one of transfer devices forming a network, and includes: a link state database that holds topology information of the network, and priority of the transfer device and priorities of other transfer devices forming the network to be used in path computation; a shortest path calculating unit that calculates a shortest path from a first switching device to a second switching device among the transfer devices forming the network on the basis of the topology information; and a priority adjusting unit that adjusts the priority of the transfer device on the basis of the shortest path calculated by the shortest path calculating unit and the priority of the transfer device and the priorities of the other transfer devices, wherein the priority adjusting unit adjusts the priority of the transfer device so that the number of overlaps with priority of another transfer device that is included with the transfer device in a shortest path from on

Abstract: Systems and methods of error handling in a network interface card (NIC) are provided. For a data packet destined for a local virtual machine (VM), if the NIC cannot determine a valid translation memory address for a virtual memory address in a buffer descriptor from a receive queue of the VM, the NIC can retrieve a backup buffer descriptor from a hypervisor queue, and store the packet in a host memory location indicated by an address in the backup buffer descriptor. For a transmission request from a local VM, if the NIC cannot determine a valid translated address for a virtual memory address in the packet descriptor from a transmit queue of the VM, the NIC can send a message to a hypervisor backup queue, and generate and transmit a data packet based on data in a memory page reallocated by the hypervisor.

Abstract: A terminal device for use with a wireless telecommunications network, the terminal device including a transceiver; and a controller configured to control the transceiver to exchange data with the wireless telecommunications network using one of a first communications service and a second communications service, the first communications service being associated with a first quality of service for exchanging data and the second communications service being associated with a second quality of service for exchanging data. The controller is configured to control the transceiver to establish one of a first set of radio connection states with the wireless telecommunications network and one of a second set of radio connection states with the wireless telecommunications network, and control the transceiver to establish the radio connection state of the first communications service independently of the radio connection state of the second communications service.

Abstract: The present disclosure provides implementation and communication methods, an apparatus and a system of a virtual subscriber identity module. The implementation method includes: receiving a VSIM application request sent by a terminal, where the VSIM application request carries an identifier of a VSIM desired by the terminal; obtaining corresponding VSIM installation information according to the identifier of the desired VSIM; and sending the VSIM installation information to the terminal, so that the terminal installs the VSIM according to the VSIM installation information. The embodiments of the present disclosure effectively solve a problem where an existing mobile operator network does not support the VSIM, and provide an effective and convenient operation scheme for an existing domestic or international roaming service.

Abstract: Various systems and methods for providing network services are described herein. In one example, a method includes receiving, via a first processor, a network packet from a source device. The method can also include sending, via the first processor, the network packet to a second processor if a service subsystem and a service are responsive. Furthermore, the method can include modifying, via the second processor, the network packet or generating a new packet based on the service. The method can also include receiving, via the first processor, the modified network packet or the new network packet from the second processor. The method can also further include sending, via the first processor, the modified network packet or the new network packet to a destination device.

Abstract: A method, a computer program product, and a computer system assign an operator to service an incident. The method includes determining a type of incident. The method includes determining a command group based on the type of incident according to a first mapping. The first mapping is indicative of a mapping between the command group and the type of incident based on historical resolutions of historical incidents. The command group includes at least one command used in resolving the type of incident for a historical incident. The method includes determining an operator who has used the command group according to a second mapping. The second mapping is indicative of a mapping between the command group and the operator based on historical resolutions of historical incidents. The operator has used at least one command in the command group. The method includes assigning the operator to the incident.

Abstract: Embodiments herein provide a method for handling communication with a wireless network by a user equipment (UE). The method includes determining that a data inactivity timer has expired during a PS/CS call recovery procedure with a network. The method identifies whether data inactivity that caused the data inactivity timer to expire is due to a radio link failure with the network. A radio link is recovered through the recovery procedure for resuming the PS/CS call with the network, in response to identifying that the data inactivity was due to the radio link failure.

Abstract: When a failure is detected of a communication link between a wireless access point and a service provider providing services to devices in proximity of said wireless access point, a probe request message is broadcasted on one or more wireless communication channels. The broadcasted probe request message includes a particular payload enabling the message to be identified as being a distress message reporting a failure of the communication link. Another wireless access point within wireless communication reach receiving a distress message may transfer a communication link failure report to the service provider in place of the wireless access point of which the communication link fails.

Abstract: A method of locating one or more endpoint connectors of a network cable wherein the network cable includes a first endpoint connector and a second endpoint connector comprises: one or more processors capturing an incoming packet carrying therein a specific identifier, wherein the specific identifier is a specific bit string that has been predefined to trigger an activation of one or more indicating devices located on one or more endpoint connectors on the network cable; determining that the incoming packet carries therein the specific identifier; and in response to determining that the incoming packet carries therein the specific identifier, triggering an activation of a first indicating device indicative of a location of the first endpoint connector.

Abstract: The present disclosure provides a band usage information generating and reporting method, a charging method, an eNB, a CN, a MME and a UE. The eNB and the UE can generate band usage information for charging, and report the band usage information to the CN, wherein the band usage information involves band usage of at least a first band and a second band, and traffic is assigned to respective bands by the eNB. The Counting entity at the eNB or UE can count the data volume of each band or ratio of data volume via different bands as the band usage information based on the scheduling information of the data. The Charging system located in the CN can process the charging and generate a bill according to the reported band usage information.

Abstract: Techniques for migrating a plurality of communications services in a data communication network are disclosed.

Abstract: A method of simplifying the implementation of Synchronous Ethernet on an Ethernet device having a first port and a second port device using a predetermined protocol and signaling, comprises delivering a master clock from a Synchronous Ethernet system to the first port of the Ethernet device; transmitting the delivered master clock to the second port of the Ethernet device independently of the protocol and signaling of the Ethernet device; and transmitting the master clock from the second port of the Ethernet device to a downstream device that supports Synchronous Ethernet. In one implementation, the Ethernet device has a local clock, and the method synchronizes the local clock to the master clock. In another implementation, the Ethernet device does not have a local clock, and the master clock is transmitted from the second port of the Ethernet device to the downstream device without any synchronizing operation at the Ethernet device.

Abstract: The present application discloses a packet exchange method and a related device. The method includes: obtaining, by a first device, a packet by using a Network Convergence Protocol (NCP) layer of the first device; and sending, by the first device, the packet to an NCP layer of a second device by using the NCP layer of the first device, where the NCP layer is located at a data link layer of a user plane, and the NCP layer of the first device and the NCP layer of the second device form a direct data exchange channel between the first device and the second device; and the first device is a terminal and the second device is a core network device, or the first device is a core network device and the second device is a terminal.

Abstract: The present disclosure provides an effective solution to accurately determine branch gateway device availability within a computer network. The present disclosure can be employed to accurately determine branch gateway device availability when branch gateway devices are configured in a high-availability peer configuration state and managed by a cloud management service. In some implementations, when branch gateway devices are in a high-availability peer configuration state, they send status messages to their peers which in turn can forward to a cloud management service such that the availability of each branch gateway device on a network can be readily obtained.

Abstract: Massively distributed and low-cost Internet of things (IoT) gateways can be controlled by software-defined networking (SDN) protocols transferred via an autonomous mobile device (e.g., fly-by drone). The IoT gateways can comprise sensors that capture information that is transferred to the communication network via the autonomous mobile device. For example, the autonomous mobile device can wake the IoT gateways adaptively and perform data collection and/or configuration tasks. Further, the autonomous mobile device can deliver the collected data to network devices of the communication network and return for the next batch of IoT gateway data collections.

Abstract: An apparatus and method for CM, PM and FM of LWA and LWIP are described. An NM sends a management request to an EM for management of an IOC instance for LWA or LWIP. The EM manages the IOC instance based on the request and returns a response to the request. The response indicates a result of the request or a result of management of the IOC instance. The EM collects, from the network functions, performance measurements and alarms related to the LWA or LWIP. The collected information is provided to the NM. The NM and EM take an action based on the collected information.

Abstract: A method of forwarding a packet and a network device are provided. According to an example of the method, when serving as a previous-hop device of a destination device of a first tunnel, the network device receives a first notification message from the destination device of the first tunnel, where information relating the first tunnel is carried in the first notification message. The network device configures a forwarding entry, where a match domain of the forwarding entry includes the information relating the first tunnel. After an encapsulated data packet is received, and if the encapsulated data packet matches the forwarding entry, the network device decapsulates the encapsulated data packet and then forwards the decapsulated data packet to the destination device of the first tunnel.

Abstract: A recording medium recording a program for causing a computer to execute processing includes: accumulating a packet in a first memory; accumulating, in a second memory, first information regarding communication performance of a connection which is used to transfer the packet in association with second information indicating the connection based on the packet; registering, for each of connections, the second information in a third memory at time intervals with reference to the second memory in association with one of index value ranges including an index value indicating the communication performance of the respective connections; extracting, with reference to the third memory, a packet which is transferred through a connection corresponding to a specific index value range out of packets that are accumulated in the first memory and for which a first time is elapsed from acquisition of the packets; and storing the extracted packet in a fourth memory.

Abstract: A network node for a wireless communication system includes a processor and a transceiver. The processor is configured to generate a plurality of random access grant signals. The random access grant signals include at least one unoccupied radio network temporary identifier and a resource allocation for an uplink communication request. The plurality of random access grant signals are assigned to one or more downlink transmit beams and the transceiver is configured to periodically transmit the plurality of random access grant signals on the one or more downlink transmit beams using a same time-frequency resource.

Abstract: A web-based school emergency notification system and method allows a first teacher user, a first student user, a first administrator user, a first relative user, and an emergency response user to effectively communicate in real time during an emergency event. The system and method are operable on a mobile communication device carried by each user, and through a downloadable EN mobile software application. The software application is communicatively coupled to at least one server over a selectively closed network, allowing the users to send messages in real time. The software application communicatively links the mobile communication devices to a global positioning system. The global positioning system tracks the geolocation of the teacher user and student user at the school. The users can also input a specific location for tracking with the GPS. The users can also message each other in real time during the emergency event to coordinate a response.

Abstract: Systems and techniques are provided for detecting rogue base stations and preventing malicious actors from intercepting and stealing data traffic from mobile devices through rogue base stations. Upon connecting to a newly detected base station for a cellular network service, a mobile device attempts to validate the cellular base station with a validation server before any data is transmitted over the new connection. If the mobile device does not receive a confirmation of validity from the validation server, the mobile device would identify the cellular base station as a rogue base station, disconnect from the rogue base station, and search for a valid base station for connection to the cellular network.

Abstract: Provided are a service function chain detection path method and device. The method comprises: sealing a sending service function chain path identifier and a returning service function chain path identifier in a message header, and obtaining a service function chain detection message, the sending service function chain path identifier being used for indicating a path of the service function chain detection message, the returning service function chain path identifier being used for indicating a path of a service function chain detection reply message corresponding to the service function chain detection message; sending the service function chain detection message; receiving the service function chain detection reply message, the service function chain detection reply message comprising returning path information, the returning path information being used for indicating a service function chain path of the service function chain detection message during sending.

Abstract: A system providing distributed gateway services in a building includes a plurality of gateways connected to a building server. A first gateway including a processing circuit configured to receive data points from a first set of HVAC devices, generate a first point list based on the data points, send the first point list to the building server, receive a second point list for a second set of one or more HVAC devices managed by the second gateway, and receive configuration data based on the second gateway being disconnected from the building server. The configuration data includes drivers for communicating with the second set of HVAC devices. The processing circuit is configured to extract data from the second and second sets of HVAC devices based on the first point list, the second point list and the configuration data and send the extracted data to the building server.

Abstract: Example embodiments relate to providing efficient routing in software defined networks. In example embodiments, an indirect group table includes a first group entry that is associated with a first route tree in a software defined network, wherein the indirect group table affects a plurality of forwarding table entries associated with the first group entry. A failure is detected in the first route tree during a data transmission, and a notification of the failure is sent to a remote controller device, where the remote controller device identifies a second route tree that does not include the failure. After the remote controller device updates the first group entry to be associated with the second route tree, the data transmission is performed using the second route tree.

Abstract: Systems and methods for mitigating DDoS attacks utilizing NTP are provided. According to one embodiment, a tracking table is maintained by a network security device protecting a private network. The tracking table contains information regarding NTP requests originated by clients of the private network and observed by the network security device. An NTP request sent from a client to an NTP server external to the private network is intercepted by the network security device. An NTP request flooding attack on the NTP server by the first client is mitigated by the network security device by: (i) determining based on the tracking table whether a prior NTP request directed to the NTP server and for which an NTP response has yet to be received was sent by the client within a predetermined or configurable time period of the NTP request; and (ii) when said determining is affirmative, dropping the NTP request.

Abstract: In a network including a plurality of network nodes interconnected via a plurality of primary links and a controller in communication with the plurality of network nodes, the controller is configured to provide an event profile to the plurality of network nodes, the event profile indicating routing changes to be implemented in a variety of link loss scenarios. Each of the plurality of nodes is configured to determine that a particular link loss event occurred, determine, based on the event profile, routing changes for the particular link loss event, and implement the determined routing changes.

Abstract: Wireless communications using multiple active resources (e.g., bandwidth parts (BWPs)) are described. A wireless device may perform failure event detection, such as radio link monitoring (RLM) and/or beam failure detection (BFD), jointly or separately for multiple active resources (e.g., BWPs) based on one or more criteria.

Abstract: A wireless communication device includes a wireless communicator and a processor. The wireless communicator wirelessly communicates with another wireless communication device. The processor controls the wireless communicator to broadcast connection information when reconnection to the other wireless communication device or wireless communication after reconnection with the other wireless communication device fails after termination of a connection with the other wireless communication device. The connection information is information related to the connection.

Abstract: The present invention relates to a method and device for transmitting and receiving, by a first device, data using Bluetooth. The present invention provides a method and device wherein the first device: generates a group for group communication with a plurality of devices; exchanges, with the plurality of devices, first configuration information of the group for the group communication; establishes Bluetooth connection to the plurality of devices on the basis of the first configuration information, the Bluetooth connection being established using a broadcasting channel or a time division technique for establishing simultaneous connection to the plurality of devices; and transmits and receives voice data to and from the plurality of devices by using a specific channel.

Abstract: Stream delivery within a content delivery network (CDN) includes recording the stream using a recording tier, and playing the stream using a player tier. Recording begins when the stream is received in a source format. The stream is then converted into an intermediate format (IF), which comprises a stream manifest, one or more fragment indexes (FI), and a set of IF fragments. A player process begins when a requesting client is associated with a CDN HTTP proxy. In response to receipt at the proxy of a request for the stream, the HTTP proxy retrieves (either from the archive or the data store) the stream manifest and at least one fragment index. Using the fragment index, the IF fragments are retrieved to the HTTP proxy, converted to a target format, and then served in response to the client request. Preferably, fragments are accessed, cached and served by the proxy via HTTP.

Abstract: In one embodiment, a method is performed. A spine node in communication with a network may determine a subtree of a shadow cone of the spine node. The subtree may comprise a plurality of nodes and a plurality of links connecting pairs of the nodes. The spine node may determine a disaggregated route to a first leaf node to which a disaggregated prefix may be attached. The disaggregated route may be propagated to the plurality of the nodes of the subtree.

Abstract: One embodiment provides discovering knowledge rich and executable business process models from unstructured information including obtaining, by a processor, unstructured data source information describing business processes. Based on the unstructured data source information, an executable specification of described business processes and a corresponding amendable textual specification are generated. Business process models are generated using a process knowledge graph based on the executable specification.

Abstract: The disclosed systems, structures, and methods are directed to a method for embedding the virtual network onto the elastic optical network comprising embedding the plurality of virtual nodes onto the plurality of substrate optical nodes in accordance with the plurality of location constraints provisioning the primary bandwidth demand associated with one of the plurality of virtual links connecting a source virtual node to a destination virtual node onto a plurality of disjoint substrate paths connecting a source substrate optical node and a destination substrate optical node, and embedding the one of the plurality of virtual links connecting the source virtual node to the destination virtual node onto the plurality of disjoint substrate paths connecting the source substrate optical node and the destination substrate optical node.

Abstract: A method of default uplink beam determination after radio resource control (RRC) connection reestablishment in a beamforming system is proposed. For uplink (UL) transmission, the BS provides dedicated physical uplink control channel (PUCCH) resource configuration to UE. The configuration includes spatial relation information that indicates the spatial domain transmission filter to be used by UE for the corresponding PUCCH transmission. After RRC connection re-establishment and before a dedicated PUCCH configuration is received, a default UE TX beam can be determined based on the UE TX beam used during the RRC connection re-establishment procedure, e.g., the UE TX beam used to transmit MSG3 in a four-step random-access channel (RACH) procedure triggered by the RRC connection re-establishment procedure.

Abstract: Facilitation of out-of-band pseudonym provisioning for a subscriber of a device is provided herein. In one embodiment, a method comprises: receiving, by a device comprising a processor, one way authentication data from a secure server; transmitting, by the device, to the secure server, via a secure communication channel, an identifier for a subscriber of the device, wherein the transmitting is performed based on the receiving the one way authentication data from the secure server; and receiving, by the device from the secure server, a pseudonym, wherein the pseudonym enables access by the device to an authentication device at a first time.

Abstract: Implementations of the disclosure describe provide link aggregation and high availability services via a network virtualization layer. A method of the disclosure relates to receiving, by a processing device of a host computer system executing a hypervisor, a network packet from a virtual machine managed by the hypervisor, generating a metadata item associated with the network packet, the metadata item comprising an identifier of a transmission mode for the network packet, and determining, by the processing device executing the hypervisor, in view of the identifier of the transmission mode of the metadata item, whether the transmission mode is one of a link aggregation (LA) mode, a high availability (HA) mode, or a combined LA and HA mode.

Abstract: A request to attach a logical network to a virtual machine is received. The cluster associated with the virtual machine is identified. The cluster includes a plurality of hosts. A host interface of each host of the plurality of hosts in the cluster is identified in view of an interface selection policy. The host interface of each of the hosts of the plurality of hosts in the cluster is assigned to the logical network.

Abstract: The invention relates to a method for operating a network (1) with a multi-master redundancy protocol and an additional redundancy function by means of a bypass switch, wherein a plurality of network devices (2 to 5) are interconnected in the network (1) in a ring topology by means of lines (8) and exchange data. In the event of failure of one of the network devices (2 to 5), two ports of the failed network device (2 to 5) are connected to one another on the physical plane by means of a bypass switch (6, 7).

Abstract: Methods and apparatus, including computer program products, are provided for ultra-reliable communications. In one aspect there is provided a method, which may include receiving, by a first user equipment, a reliability estimate for a communication link before the communication link is at least one of used or established between the first user equipment at a first location and a second user equipment at a second location; and at least one of using or establishing the communication link, when the received reliability estimate exceeds a threshold reliability. Related systems, articles of manufacture, and the like are also disclosed.

Abstract: Systems and methods are described in which circuitry of a first controller of a first node receives a first signal indicating an optical loss of signal within the first path. Circuitry of a second controller of the first node on the first path within a transport network generates a second signal indicating a failure within the first path. The first controller accessing a network topology database determines that restoration of the first path would be ineffective due to there being no alternate path, and signals a second node downstream in the first path with the second signal indicating the failure within the first path, and a third signal indicating that restoration of the first path would be ineffective due to there being no alternate path.

Abstract: A system and method of determining a topology of devices in an Ethernet network of a building management system (BMS). The method includes discovering a number and identification of devices within the Ethernet ring. The method further includes, for each device discovered in the Ethernet ring, disabling an Ethernet port of one of the device in the Ethernet ring; broadcasting a ring port request onto the Ethernet ring; receiving a ring port response from each of the devices having received the ring port request; and incrementing a count associated with each device based on receiving a ring port response from the device. The method then repeats the above steps until each device in the Ethernet ring has had an Ethernet port disabled. The method further includes determining the topology of the devices in the Ethernet ring by ordering the devices in the Ethernet ring based on the value of the count associated with each device.