56results about How to "Will not be interrupted" patented technology

The invention provides flow uninterruptible method and device based on virtual machine VM (virtual memory) migration. The method comprises the following steps: firstly, using internet group management protocol (IGMP) to pry into virtual site interface VSI (vertical speed indicator) multicast group data of a VM in the snooping recognition network; secondly, sending the VSI multicast group data of the VM to a network management side; and thirdly, obtaining the VSI multicast group data of the VM from the network management side before the VM migrates to the purpose interface of a purpose switch, and adding the purpose interface to the multicast group corresponding to the obtained VSI multicast group data so as to lead the VM to continue receiving the multicast flow of the VSI multicast group after the VM migrates to the purpose interface.

The invention discloses a master / slave switching system for multicast source, and a method thereof, which relate to multicasting transmission protection technology and are invented in order to solve a problem that the multicast source is not stable in the prior art. The invention comprises a multicast source server and a multicast agent server; and the multicast source server comprises a master server for multicast source and a standby server for multicast source. The multicast agent server is respectively connected with the multicast source server and the standby server for multicast source and is used for internally providing the master server for multicast source and the standby server for multicast source with cooperative interfaces and externally converting data stream source addresses of the master server for multicast source and of the standby server for multicast source into the same pubic IP address and forwarding the multicast source data stream. Through dual CPU hot-redundancy, the invention ensures multicast source data stream program is not interrupted and enhances stability of the multicast source and service quality of the multicasting program.

The invention provides an APP sleep management method and apparatus. The apparatus comprises a sleep management module which obtains APP resource utilization rate during the operation of an APP, conducts sleep processing for the APP when the APP needing sleep is determined according to the resource utilization rate, and sends the forwarding information of the sleep management module to a router module when the APP sleeps successfully, the APP which notifies the router module to delete the forwarding information of the APP and release the resources occupied by the APP when the sleep management module conducts sleep processing for the APP, and the router module which sends an accessing request message to the APP by using the forwarding information of the APP during operation of the APP, and sends the request message to the sleep management module by the forwarding information of the sleep management module when the APP sleeps successfully. According to the technical scheme disclosed in the invention, calculating, memory, network and storage resources occupied by the APP can be released, thereby preventing resource waste and improving resource utilization rate.

The invention discloses a dual-frequency combined terahertz wireless local area network protocol architecture. The architecture comprises physical layers and a data link layer. The physical layers comprise a 2.4GHz physical layer (PHY) based on a 802.11 protocol, and a terahertz PHY. The data link layer comprises two levels of media access control (MAC) sublayer. The two levels of MAC sublayer are an independent lower MAC layer and a public upper MAC layer. The independent lower MAC layer comprises a lower MAC layer based on the 802.11 protocol and a terahertz lower MAC layer. The architecture uses Wi-Fi of 2.4GHz frequency band for user access and low-speed data transmission, so that the wide coverage area characteristic of the local area network is guaranteed; when high-speed data transmission is demanded, the architecture switches to the terahertz frequency band for terahertz high-speed data transmission, so that the high speed characteristic of the terahertz local area network is ensured, and the terahertz wireless local area network has the ultrahigh speed networking communication capacity in a large coverage area.

The invention discloses a packet-switching network and a TDM (Time Division Multiplexer) network interworking service protection method as well as network equipment. The method comprises the following steps of: interacting a TDM service between a mainboard and a TDM exchange core when the mainboard fails or needs exchanging; interacting an Ethernet data packet EOS (Embedded Operating System) service which is borne by a synchronous digital series and converted by service types with a packet-switching core; switching SDH (Synchronous Digital Hierarchy) protection and interacting the TDM servicebetween a trigger backboard and the TDM exchange core; and submitting the EOS service to the backboard, deleting the EOS service on the mainboard and interacting the EOS service converted by service types between the trigger backboard and the packet-switching core. The invention also discloses network equipment and can realize the communication of the packet-switching network and the TDM network and prevent the EOS service from being interrupted for a long time when exchanged single boards are abnormal or need replacing.

The invention provides a method and device used for speed limiting of a message. The method comprises steps of forwarding a message which abandoned by a first leaky bucket speed limiting DISCARD lineinto a filtering forwarding bucket; according to a preset ACL matching keyword, carrying out ACL matching on the message forwarded into the filtering forwarding bucket, and carrying out redirection forwarding on the message obtained through the matching filtering; and according to a token number of the message obtained through the matching filtering, determining the corresponding token number forarriving at the DISCARD line for the second time, and carrying out speed limiting on the message passing the first speed limiting bucket. According to the invention, by combing the ACL, the importantprotocol message is prevented from being abandoned and can be rapidly forwarded outwards; it is ensured that a link will not be interrupted; stability and high efficiency of data forwarding are improved; data network service quality is improved; and by carrying out secondary speed limiting on the message passing the first speed limiting bucket, speed limiting accuracy is ensured in case of the unchanged bandwidth.

The invention discloses a mechanism for clamping a cable. The mechanism comprises a base, wherein a paying-off plate is fixedly arranged on the base; M first grooves are formed in the paying-off plate, and M is a positive integer; two limiting mechanisms are mounted on the base; the limiting mechanisms are positioned on two sides of the paying-off plate respectively; and the limiting mechanisms can rotate around the central axes, vertical to the horizontal plane, of the limiting mechanisms. The mechanism also comprises a cable pressing plate; M second grooves matched with the first grooves areformed in the cable pressing plate; each second groove is internally provided with a cable pressing block; and the thickness of each cable pressing block is such configured that, when the cable pressing plate is positioned below the limiting mechanisms, each cable pressing block is used for squeezing the cable in the corresponding groove. According to the mechanism, by clamping the cable, when the cable is pulled, a crystal plug cannot fall off from the internet access of a router, and the damage of the crystal plug or the internet access of the router cannot be caused; and moreover, the device is convenient and quick in operation, the cable can be compressed firmly, and the step of mounting or dismounting the cable pressing plate is extremely simple.

The invention discloses a method for establishing a route based on a hybrid wireless netted network protocol. The method is applied to a node and comprises the steps of: receiving a route learning message, and generating route information according to the received route learning message; and if stored route information matched with the generated route information exists and link cost values of the two pieces of route information are equal, using an interface address for receiving the route learning message as a next-hop address, and adding the interface address to the stored route information, wherein the route learning message comprises a route request message and a route response message. According to the invention, route rules are changed, when the link cost values of a plurality of paths reaching the node are the same, a covering updating method is not needed, but the routes identical in link cost value on the plurality of paths are stored in a compatible manner, so that a wireless netted network can support equivalent routes. The invention further discloses a device for establishing the route based on the hybrid wireless netted network protocol.

This invention discloses one device to realize single board device series interface, which comprises series management unit, series input unit and output unit and message generation unit. This invention also discloses the method, which comprises the following steps: sending window number, cabinet codes, frame number, tank codes and CPU codes to single board device; then staring series position to single board; the sending series position order and getting upload message; finally sending series re-positioning to stop orders. This invention gives series re-position interface message to support single board device cabinet number, frame number and CPU number and automatic collection.

The invention provides a live migration method of a virtual machine instance. The live migration method is applied to cloud service equipment. The cloud service equipment carries micro-service hardware, and the virtual machine instance comprises a virtual machine simulator process on the micro-service hardware and a virtual machine driver in an operating system kernel carried by the cloud service equipment. The method comprises the steps that in response to the situation that a to-be-migrated virtual machine instance meets a live migration condition, an operating system kernel obtains first operating data of the virtual machine instance in the operating system kernel carried by the cloud service equipment, and the first operating data is written into a preset memory space. And the virtual machine simulator process obtains second operation data of the virtual machine instance on the micro-service hardware and third operation data of the virtual machine instance in the memory space of the cloud service equipment, and reads the first operation data from the preset memory space. And the virtual machine simulator process sends the acquired operation data to the target cloud service equipment so as to migrate the virtual machine instance to the target cloud service equipment.

The utility model discloses a method and a current limitation device to realize the method for network traffic identification and current limitation, belonging to the technical field of network traffic control, which is characterized in that the current limitation device accesses network in the form of adjacent hanging and that network traffic is copied and sent to the current limitation device which analyzes the network traffic and that if the network traffic exceeds a limited speed, the current limitation device sends an ending message to a network device to end the transmission of the network traffic or to reduce the network transmitting speed. The utility model is realized by the current limitation device connected with the network in the form of adjacent hanging and the real network traffic which has to arrive to a destination end does not pass the current limitation device, so the forwarding performance of the network traffic in the network is not affected and the network is notdelayed. Even if the current limitation device goes wrong, only the network traffic identification and current limitation service is affected without the interruption of the network.

This invention discloses one device to realize single board device series interface, which comprises series management unit, series input unit and output unit and message generation unit. This invention also discloses the method, which comprises the following steps: sending window number, cabinet codes, frame number, tank codes and CPU codes to single board device; then staring series position to single board; the sending series position order and getting upload message; finally sending series re-positioning to stop orders. This invention gives series re-position interface message to support single board device cabinet number, frame number and CPU number and automatic collection.