35results about How to "Reduce business downtime" patented technology

Embodiments of the invention disclose a fault handling method, device and system based on network function virtualization. A fault correlation analysis request of virtualized network service is sent to a first functional entity via a second functional entity, so that the first functional entity can send the fault information of a VNF and the fault information of an NFVI to the second functional entity when detecting that faults exist in the VNF and the NFVI corresponding to a VNF identifier according to the VNF identifier and an NFVI identifier included in the fault correlation analysis request. Therefore, the second functional entity can perform fault correlation analysis on the virtualized network service and the VNF and the NFVI according to the fault information of the VNF and the fault information of the NFVI. The handling time for fault correlation between the virtualized network service and the VNF and the NFVI is shortened and the fault handling efficiency is improved.

The invention discloses a random access method and equipment in a cognitive radio system. The random access method comprises that base station equipment generates a frequency spectrum switch command, the frequency spectrum switch command comprises random access backspacing time parameter information, and the base station equipment sends the frequency spectrum switch command to user equipment in a community to instruct the user equipment to use the random access backspacing time parameter information to initiate a random access process in a frequency spectrum switch process. According to the random access method, due to the fact that the random access backspacing time parameter information is carried in the frequency spectrum switch command, the conflict of random access is inhibited in the frequency spectrum switch process of a CR system, a large amount of user equipment (UE) which intensively conducts random access on a target work frequency point is dispersed in time in advance, the failure probability and delay of random access on the target work frequency point in the frequency spectrum switch process are lowered, and further more, the failure probability frequency spectrum switch and service break period are lowered, and the user experience of the CR system is improved.

The invention embodiment relates to a method and a device used for detecting the fault of a micro-engine; wherein, the method of detecting the fault of the micro-engine includes that the value of thread counter of each thread of the micro-engine and the value of the event signal of each thread of the micro-engine are acquired in at least every data acquisition period; the values acquired at least in two times are compared if the values are equal to each other; whether the micro-engine fault emerges or not in the network processing chip is determined according to the comparison result. The method and the device used for detecting the fault of a micro-engine can discover and recover the micro-engine fault in the network processing chip in time and determine the state of the micro-engine through the mode of combining the thread counter information with the control state register information so that the register addition realized by programs is greatly reduced; thereby, the efficiency of the micro-engine is improved.

The present invention provides a redirection method for a terminal, being characterized in that: the carrier being fixedly resident in the CDMA network for a dual mode terminal is prearranged,the LTE base station sends the redirection information to the dual mode terminal,the redirection information comprises a redirection target carrier configured by the LTE base station,the dual mode terminal and teh CDMA access network perform session negotiation and are informed of the resident carrier appointed by the CDMA access network,both the redirection target carrier and the resident carrier fix the resident carrier in the CDMA network for the pre arranged dual mode terminal,and when the dual mode terminal is rediected to the CDMA network from the LTE network and searches the redirection target carrier in the CDMA network, and initiates the access process on the redirection target carrier in the CDMA network. Compared with the prior arts, the technical scheme provided by the present invention reduces the business break period for redirecting the dual mode terminal from the LTE network to the CDMA network and improves the user experience.

The invention discloses a dual connection measurement configuration method, a measurement method, a scheduling method and device, a storage medium, a base station, and a terminal. The measurement configuration method includes the steps: transmitting a main network measurement configuration and a candidate secondary network measurement configuration to user equipment after establishing a main network connection with the user equipment; selecting a secondary base station according to a secondary network measurement report fed back by the user equipment, and determining the first measurement configuration of a secondary network for the secondary base station, and enabling the main station to complete a candidate secondary network measurement gap required by the main base station to complete the first measurement configuration of the secondary network; transmitting a dual connection configuration request to the secondary base station; receiving the secondary measurement configuration of the secondary network configured by the secondary base station and the secondary network measurement gap required in the measurement of the second measurement configuration of the secondary network. According to the technical solution provided by the invention, the method can complete the NR measurement task in a short service interruption time period, and does not need to change an LTE baseband circuit.

The invention discloses a CR-system-based method and device for converting frequency spectrums. The method comprises the steps that a base station device and a terminal device maintain uplink synchronization on source working frequency points before the frequency spectrums are converted; when restoring a cell on target working frequency points, the base station device judges whether the uplink synchronization is maintained between itself and the terminal device or not, and if yes, the base station device allocates uplink resources for the terminal device on the target working frequency points and sends the uplink resources allocated to the terminal device on the target working frequency points, wherein the uplink resources are used for allowing the terminal device to send a frequency spectrum converting completion message, and the frequency spectrum converting completion message is used for indicating that the terminal device already completes the converting process of the frequency spectrums successfully. According to the embodiment, due to the fact that the process of random access is omitted in the converting process of the frequency spectrums, the conflict over the random access in the converting process of the frequency spectrums of a CR system is avoided, the failure probability of frequency spectrum converting of the CR system is lowered, the service break periods of the CR system are shortened, and the UE of the CR system is improved.

The embodiment in the invention discloses a method for reducing the service interruption time. When equipment can not be normally started due to faults, determine whether the faults are caused by ECC memory of the equipment or not, if yes, shut down the operation of the ECC memory; trigger the equipment to restart and thereby recover service operations after starting. Meanwhile, the embodiment in the invention also discloses a method and means for testing faults of ECC memory of the equipment. When the equipment is broken down, the invention can timely shut down the broken ECC memory tested, thereby allow the equipment to recover service operations after being restarted. Avoid a long interruption of equipment services, and reduce the service interruption time of equipment.

According to the cross-platform virtual machine online migration method disclosed by the invention, an agent program does not need to be installed in the virtual machine, so that the threat to the disk file caused by illegal utilization of the agent program in the virtual machine is avoided, and the security of the disk file is guaranteed; and meanwhile, in the execution process of the cross-platform virtual machine online migration method, the cross-platform virtual machine online migration method firstly reads disk data in the virtual machine to be migrated and writes the disk data into a new platform while the normal operation of the virtual machine is not influenced in the data reading and writing process, so that the virtual machine migration is executed under the condition that the virtual machine is not shut down, and the virtual machine to be migrated is controlled to pause after the disk change data relative to the disk data in the running process of the virtual machine to bemigrated is determined, and the service pause time is equivalent to the write-in time of the disk change data, so that the service pause time of the virtual machine is greatly shortened, and the running continuity of a running service application can be effectively ensured. The invention furthermore provides a cross-platform virtual machine online migration device, equipment, and a readable storage medium, which have the above beneficial effects.

The invention discloses a dual-connection measurement configuration method, a measurement method, a scheduling method and device, a storage medium, a base station and a terminal. The measurement configuration method comprises the following steps: after establishing a main network connection with user equipment, sending main network measurement configuration and candidate auxiliary network measurement configuration to the user equipment; selecting an auxiliary base station according to an auxiliary network measurement report fed back by the user equipment, and determining an auxiliary network first measurement configuration for the auxiliary base station and a candidate auxiliary network measurement gap required for the main base station to complete the auxiliary network first measurement configuration; sending a dual-connection configuration request to the auxiliary base station; and receiving an auxiliary network second measurement configuration and an auxiliary network measurement gap configured by an auxiliary base station, the auxiliary network measurement gap being determined according to a time gap required for the user equipment to complete measurement in the auxiliary network first measurement configuration and the auxiliary network second measurement configuration. Through the technical scheme provided by the invention, the NR measurement task can be completed in a short service interruption time, and an LTE baseband circuit does not need to be changed.

Embodiments of the present invention provide a data transmission method and device for a Layer 2 virtual private network. The method is applied to a network including a primary virtual link and a backup virtual link carried by traffic engineering. The primary virtual link passes through An upstream node and a downstream node, the method includes: the upstream node detects the connection status of the communication link to be protected between the upstream node and the downstream node, and determines whether the communication link to be protected fails; if the communication link to be protected fails, Then the upstream node performs traffic engineering fast rerouting switching, and switches the data transmission to the pre-established standby label switching channel for protecting the communication link to be protected; the upstream node triggers virtual link switching. In the embodiment of the present invention, when a link fails, local protection is performed through traffic engineering fast rerouting first, and then the virtual link is smoothly switched, thereby improving the speed of fault detection and traffic switching, and reducing the time when a link fails. business interruption time.

Disclosed are a spectrum handoff method and equipment based on a cognitive radio system. The method includes: base station equipment sending a spectrum handoff command to terminal equipment on a source operating frequency point; the base station equipment actively allocating an uplink resource to the terminal equipment on a target operating frequency point; and the terminal equipment utilizing an uplink synchronization parameter which is used before spectrum handoff to send a spectrum handoff completion message to the base station equipment using the uplink resource on the target operating frequency point.

This paper discloses a device and method for implementing linear protection switching, which are applied to devices configured with protection groups; the device for implementing the device includes: a fault detection chip, which is used to generate a management message after detecting a link fault in the protection group, and Sending a management message to the service forwarding chip; the service forwarding chip is used to set the switching identification value of the protection group according to the received management message. The device and method for implementing linear protection switching provided in this paper can realize the function of fast switching of services at the hardware layer, thereby improving the performance of protection switching and enhancing the stability of equipment.

In the hardware-based protection group switching method and optical communication equipment of the present invention, when the FPGA in the equipment detects the switching trigger information indicating that the local network element may have a switching triggering situation, it transmits it to each protection state machine through the hardware bus; each protection state The machine determines one or more relevant protection groups that may be affected by each switching trigger situation according to the relevant service flow information, and generates each corresponding switching trigger condition according to each switching trigger information; the protection state machine corresponding to the relevant protection group respectively prestores the table Query the operation results of the automatic protection switching protocol; update the cross table according to the operation results, and configure the updated cross table to the cross chip or packet switching chip through FPGA; realize the protocol algorithm of protection switching on the hardware and can process multiple groups of protection in parallel Switching reduces the service interruption time caused by batch switching, improves the performance of multi-group protection switching, and increases the survivability of the network.

The invention discloses a spectrum switching method and equipment based on a cognitive radio system. The method includes: before the spectrum switching, the terminal equipment and the base station equipment maintain uplink synchronization at the source operating frequency point; the terminal equipment and the base station equipment maintain uplink synchronization; The device agrees on the uplink resources on the target operating frequency; or, the terminal device receives the uplink resources on the target operating frequency allocated by the base station device for the terminal device at the source operating frequency; the terminal device After searching for the target operating frequency point, it is judged whether uplink synchronization is maintained between itself and the base station equipment; if so, the terminal equipment uses the uplink resource to send a message indicating that the terminal equipment has Spectrum handoff complete message for successful completion of the spectrum handover process. In the embodiment of the present invention, the frequency spectrum switching failure probability and service interruption time of the CR system are reduced, and the user experience of the CR system is improved.