Abstract: A data management method, apparatus, device, a computer-readable storage medium, and system are provided. The method is applied to a first network device, the first network device determines target invalid data existing in a second network device, the first network device obtains a first RPC, and the first RPC carries information about target invalid data that needs to be deleted. Then, the first network device sends the first RPC to the second network device, where the first RPC is used to indicate the second network device to delete the target invalid data. In this application, residual data is automatically identified, and the residual data is cleared, to automatically delete the residual data in batches, thereby saving device resources and improving an operation and maintenance management effect.

Abstract: Embodiments of this application disclose a data obtaining method. A first device serving as a network management device may generate a first message including a first keyword. The first message is used to indicate a second device to determine a first path in which the second device stores a parameter determined by the first keyword, and send the first path to the first device. The second device may be a device managed by the first device. Then, the first device may send the first message to the second device. After receiving the first message, the second device may determine the first path in which the second device stores the parameter determined by the first keyword, add the determined first path to a second message, and send the second message to the first device.

Abstract: A data processing method, apparatus, and system are disclosed. The method includes: A management device generates a request message, where the request message includes a quantity of list entries, identification information, and an offset. The management device sends the request message to a network device, where the request message is used to request, from the network device, a list entry that is in a list identified by the identification information, that uses the offset as a start location, and that is indicated by the quantity of list entries, and a total quantity of list entries included in the list is greater than the quantity of list entries. The management device receives a response message corresponding to the request message from the network device, where the response message includes a list entry requested by the request message.

Abstract: A data obtaining method includes that a first device generates a first message including a first condition and a first periodicity, where the first condition corresponds to the first periodicity. The first device sends the first message to a second device, so that the second device reports data to the first device based on the first periodicity when the first condition is satisfied.

Abstract: A data processing method includes: A network management device generates an extended ECA instance. The extended ECA instance includes a first event, a first condition, and a first action, the first action includes a first object identifier and a first indicator type, the first object identifier indicates a first to-be-monitored object, the first indicator type indicates a performance indicator of the first to-be-monitored object, the extended ECA instance is used to indicate a network device managed by the network management device to send first monitoring data to the network management device based on the first event and the first condition, and the network device includes the first to-be-monitored object. Then, the network management device sends a first message to the network device, where the first message includes the extended ECA instance.

Abstract: A first device generates a first capability model instance based on a capability model template, and sends the first capability model instance to a network management device. The capability model template includes one or more metric names. The first capability model instance includes one or more performance parameters that can be subscribed to by the first device, and the one or more performance parameters are parameters corresponding to one or more metric names. The first capability model instance is used by the network management device to select and subscribe to one or more performance parameters from the one or more performance parameters that can be subscribed to by the first device.

Abstract: A Yet Another Next Generation (YANG) module management method includes that a first network device determines a target YANG package in a second network device. The target YANG package includes at least two service-related YANG modules. The first network device generates a processing instruction for the target YANG package, and sends the processing instruction to the second network device. The processing instruction includes an identifier of the target YANG package. The identifier of the target YANG package includes a name of the target YANG package or the name and version information of the target YANG package.

Abstract: A capacitive voltage sensor for estimating voltage on a power line. The sensor includes a dielectric bushing surrounding the line, and an annular conductor formed in the bushing and being capacitively coupled to the line, where a first capacitance is defined between the line and the annular conductor and a second capacitance is defined between the annular conductor and ground. The sensor also includes a capacitance compensation circuit having an amplifier including a first terminal electrical coupled to the annular conductor, and first and second capacitance compensation capacitors electrically coupled to the terminals of the amplifier, where the compensation capacitors are made of different materials having different dielectric constants, and where the materials of the compensation capacitors are selected so as to compensate for changes in the first and second capacitances in response to temperature changes. Also, a thermistor is provided in a resistor compensation circuit to provide resistance compensation.

Abstract: In a data collection method for a remote attestation process, a remote attestation server delivers a subscription configuration to a network device, where the subscription configuration for subscribing to information related to remote attestation performed by the network device. The remote attestation server receives the subscription information returned by the network device based on the subscription configuration.

Abstract: An autonomous cleaning device is provided. The autonomous cleaning device includes: a device body; and a drive module, a cleaning module and a sensing module, wherein the drive module, the cleaning module and the sensing module are detachably assembled to the device body, respectively.

Abstract: An autonomous cleaning device is provided. The autonomous cleaning device includes: a device body; and a drive module, a cleaning module and a sensing module, wherein the drive module, the cleaning module and the sensing module are detachably assembled to the device body, respectively.

Abstract: An autonomous cleaning device is provided. The autonomous cleaning device includes: a device body; and a drive module, a cleaning module and a sensing module, wherein the drive module, the cleaning module and the sensing module are detachably assembled to the device body, respectively.

Abstract: An autonomous cleaning device is provided. The autonomous cleaning device includes: a device body; and a drive module, a cleaning module and a sensing module, wherein the drive module, the cleaning module and the sensing module are detachably assembled to the device body, respectively.

Abstract: An autonomous cleaning device is provided. The autonomous cleaning device includes: a device body; and a drive module, a cleaning module and a sensing module, wherein the drive module, the cleaning module and the sensing module are detachably assembled to the device body, respectively.

Abstract: The present application discloses a method and an apparatus for implementing an OAM function. In this solution, a unified OAM management center processes, based on a unified OAM management data model, network OAM status information, but the unified OAM management data model is unrelated to a network technology used by a network entity.

Abstract: A capacitive voltage sensor for estimating voltage on a power line. The sensor includes a dielectric bushing surrounding the line, and an annular conductor formed in the bushing and being capacitively coupled to the line, where a first capacitance is defined between the line and the annular conductor and a second capacitance is defined between the annular conductor and ground. The sensor also includes a capacitance compensation circuit having an amplifier including a first terminal electrical coupled to the annular conductor, and first and second capacitance compensation capacitors electrically coupled to the terminals of the amplifier, where the compensation capacitors are made of different materials having different dielectric constants, and where the materials of the compensation capacitors are selected so as to compensate for changes in the first and second capacitances in response to temperature changes. Also, a thermistor is provided in a resistor compensation circuit to provide resistance compensation.