A controller device manages a plurality of network devices. The controller device includes one or more processing units configured to receive an upgrade request; obtain a redundancy model indicating network device redundancies or service redundancies; determine, based on the upgrade request and the redundancy model, an update graph having nodes each representing one of the network devices or one of the services, the update graph also having at least one edge that connects two of the nodes and that indicates the network redundancy or the service redundancy; determine, based on the update graph including the at least one edge, an update schedule for performing an update of software for the network devices that ensures availability for the first network device or second network device or availability for the service; and update the software of each of the network devices according to the update schedule.

Systems and methods are described for securely monitoring a shipping container for an environmental anomaly using elements of a wireless node network of sensor-based ID nodes disposed within the container and a command node associated with the container. The method has the command node identifying which of the ID nodes are confirmed as trusted sensors based upon a security credential specific to each of the ID nodes; monitoring only the confirmed ID nodes for sensor data broadcast those ID nodes; detecting the anomaly based upon the sensor data from at least one of the confirmed ID nodes; automatically generating an alert notification related to the detected environmental anomaly for the shipping container; and transmitting the alert notification to the external transceiver to initiate a mediation response related to the detected environmental anomaly.

Systems and methods are described for securely monitoring a shipping container for an environmental anomaly using elements of a wireless node network of sensor-based ID nodes disposed within the container and a command node associated with the container. The method has the command node identifying which of the ID nodes are confirmed as trusted sensors based upon a security credential specific to each of the ID nodes; monitoring only the confirmed ID nodes for sensor data broadcast those ID nodes; detecting the anomaly based upon the sensor data from at least one of the confirmed ID nodes; automatically generating an alert notification related to the detected environmental anomaly for the shipping container; and transmitting the alert notification to the external transceiver to initiate a mediation response related to the detected environmental anomaly.

A method of assigning master controllers is disclosed. The method of assigning master controllers may be performed by any one of a plurality of controllers included in a software-defined network system and may include: establishing an objective function in which the number of flows passing through switches having different master controllers from among the flows entering during a unit duration of time is a decision variable; establishing at least one constraints; and finding a solution that minimizes the decision variable while satisfying the constraints.

The disclosure is directed to a network planning tool for planning a topology of a computer network, e.g., for provisioning network capacity. The network planning tool evaluates various factors, e.g., demand projections between a pair of nodes, existing network topology, existing circuits, failure scenarios, and other constraints, and generates a set of circuits that satisfies various demand projections. The set of circuits is robust under failure scenarios and minimizes latency, costs and/or power consumption involved in satisfying the demand projections. The tool assigns each of the circuits to a spectral resource of a physical communication link, e.g., a wavelength of a fiber optic cable, using which it can propagate data traffic between the pair of nodes.

The present disclosure provides a virtual machine management method and apparatus. The method includes: acquiring virtual machine information of each virtual machine in a virtualization platform, receiving a first onboarding operation instruction for a target virtual machine in the virtualization platform, configuring a network and a virtual network console VNC of the target virtual machine, and when the configuration succeeds, storing in an already-onboarded virtual machine list in a database table virtual machine information of the target virtual machine. With the application of examples of the present disclosure, a unified management and control of virtual machines in the virtualization platform by a cloud management platform can be realized.

The present disclosure provides a virtual machine management method and apparatus. The method includes: acquiring virtual machine information of each virtual machine in a virtualization platform, receiving a first onboarding operation instruction for a target virtual machine in the virtualization platform, configuring a network and a virtual network console VNC of the target virtual machine, and when the configuration succeeds, storing in an already-onboarded virtual machine list in a database table virtual machine information of the target virtual machine. With the application of examples of the present disclosure, a unified management and control of virtual machines in the virtualization platform by a cloud management platform can be realized.

A method in a configuration server for configuring a communication system comprises configuring a plurality of nodes in a first cluster, and configuring a plurality of nodes in at least a second cluster, such that the configuration server acts as a common configuration server for at least first and second clusters. A method in a node associated with a cluster comprises determining a configuration service address relating to a common configuration server that is adapted to configure the cluster associated with the node and at least one other cluster, sending a request for configuration information to the common configuration server, and receiving configuration information from the common configuration server.

A configured mode of operation of a wireless sensor node unit can selectively activate a first subset of sensor channels of data and selectively deactivate a second subset of sensor channels of data. The configured mode of operation customizes the sensor functionality in the wireless sensor node unit in support of the delivery of data streams to customers.

A configured mode of operation of a wireless sensor node unit can selectively activate a first subset of sensor channels of data and selectively deactivate a second subset of sensor channels of data. The configured mode of operation customizes the sensor functionality in the wireless sensor node unit in support of the delivery of data streams to customers.