764 results about "Network block device" patented technology

In one embodiment, an apparatus includes one or more ports for connection to one or more links in communication with a network device, a multi-chassis trunk (MCT) port for connection to an MCT in communication with a switch, and an MCEC manager for creating an MCEC comprising the one or more links in communication with the network device and one or more links connecting the switch to the network device, and transmitting messages to the switch to synchronize state for the MCEC. The apparatus further includes a control plane and a data plane configured for operation independent from a control plane and a data plane at the switch. A method is also disclosed.

Methods and apparatus are disclosed for establishing interfaces or "tunnels" between networking devices, so one device can control the other and vice versa. Such devices may be general purpose processors (GPP) and ethernet web switches. A first device receives data packets as they flow across a network. A second device can access packets only if they flow through the first device. The second device can only send packets to the network if they flow through the first device. In a preferred embodiment, the first device is optimized for high-speed data transfer and the second device for data inspection and flow decision making. Each tunnel carries related types of packets in one direction between "partnered" devices. Data tunnels pass network data packets. Control tunnels carry messages to control the operation of a first device by a second. Messages stop, start or otherwise direct the flow of data through the first device. A Broadcast tunnel enables several network devices to interact. The second device contains logic that receives the data packets, processes them and sends them back to the first device. The second device can processing includes data inspection. and decision making based on the packet contents. A preferred embodiment blocks viruses including blocking intentional "Denial Of Service" schemes.

The invention discloses a method used in uplink data transmission, a terminal device and a network device. The method comprises the following steps: a network device generates configuration information for a CTU (Contention Transmission Unit) of an uplink first sub-band, wherein the first sub-band is one sub-band of multiple uplink sub-bands, the multiple uplink sub-bands are respectively provided with a special configuration, and the CTU is a resource unit used for carrying out grant free transmission on the first sub-band; and the network device sends the configuration information of the CTU. According to the method used in the uplink data transmission, the terminal device and the network device provided by the embodiment of the invention, the terminal device can obtain the information of the CTU quickly and effectively, thereby carrying out the grant free transmission; and the efficiency of a system to transmit data can be improved.

The invention provides a method and system of receiving communications from a network device in a network to a source of network data and establishing a secure and/or authenticated network connection between the network device and the source that appears to the network device as a direct connection to the source of network data. Broadly conceptualized, the method and system may also include a parsing module that modifies the network data passing back and forth between the network device and the source of network data.

A network device connected via a bus with a plurality of network devices includes: an authentication unit that executes authentication based upon message authentication information included in data transmitted, via the bus, by one of the plurality of network devices acting as a sender device; and a processing unit that invalidates the data upon determining that unauthorized data have been transmitted by the sender device impersonating another network device among the plurality of network devices if the authentication fails.

According to one embodiment, a method comprises automatically uploading device information from a first network device in a first operating state to a second network device in response to an event, such as an initial power up. The second network device is part of the cloud, and thus, providing cloud-based services. Subsequent to the uploading of the device information, the first network device receives information controlling the operation of the first network device based on the device information.

A method to control a network device in a network comprising several devices includes a first controller that operates to prevent another controller from performing an unwanted overtaking of a network device that is currently controlled by the first controller. In one embodiment, the first controller has the ability to reserve a controllable network device to thereby become its primary controller, so that the first controller may maintain control over the controllable network device against control demands of other controllers present in the network.

There is provided a technique capable of easily and suitably setting or updating the setting information or the firmware of a plurality of network devices. According to a network device management method, a device information managing section transmits identification information and device information A of a network device, correlates identification information and device information B received from the other network device with the own identification information, generates approximation-level information, and stores this in an identification information database. A command receiving section that has received a setting/updating command C1 stores this setting/updating command in a command database. A setting/updating processing section carries out the setting or updating of the own network device. A command transfer section selectively transfers a setting/updating command to other network devices based on approximation-level information.

The invention discloses a connection management method, a first network device, a terminal device and a system. The connection management method comprises the following steps: obtaining capability information of at least one adjacent cell; obtaining the capability information of a terminal device in the service cell managed by the terminal device; selecting at least one adjacent cell to be measured for the terminal device based on the capability information of the terminal device and the capability information of the at least one adjacent cell; and confirming a target cell to which the terminal device switches in the at least one adjacent cell to be measured or confirming to configure dual connections for the terminal device based on the measurement report reported by the terminal device for the at least one adjacent cell to be measured; wherein the dual connections indicate that the terminal device establishes connections with the service cell and the target cell.

An apparatus for performing network function virtualization (NFV), comprising: a memory, a processor coupled to the memory, wherein the memory includes instructions that when executed by the processor cause the apparatus to perform the following: receive an instruction to virtualize a network device within a network, divide, according to the instruction, the network device into a plurality of network functions (NFs) used to form a virtualized network node that corresponds to the network device, launch the NFs within one or more virtual containers, and group the virtual containers together using a group identifier (ID) that corresponds to the virtualized network node, wherein each of the NFs correspond to a network function performed by the network device prior to virtualization.

A network security device includes a network flow statistics processing engine to process network flow information related to network flows. The network flow statistics processing engine includes a first processing stage performing per-flow information aggregation and a second processing stage performing per-destination system component information aggregation, with each processing stage implementing a threshold-based data export scheme and a timer-based data export scheme. In this manner, up-to-date flow information is available to peer system components regardless of the varying flow rates of the network flow.

In a network device, a line card includes a first scheduler configured to perform scheduling for data units of a first type and a second scheduler that is connected in series to the first scheduler and configured to perform scheduling for data units of a second type. The schedulers may be configured in a variety of ways to achieve certain data unit flow characteristics.

The embodiments of the invention provide a data transmission method, a terminal device and a network device. The method comprises the steps of enabling the terminal device to receive a first assignment sent by the network device; enabling the terminal device to receive downlink data according to the first assignment and generate feedback information of the downlink data; enabling the terminal device to receive a second assignment sent by the network device, the second assignment being used for indicating a start position of an uplink time unit; enabling the terminal device to determine a resource position for sending the feedback information according to the first assignment and the second assignment; and enabling the terminal device to send the feedback information at the resource position. The resource position of the feedback information can be flexibly determined.

A method of operating a building control system includes installing a plurality of network devices to a communications network. Each of the plurality of network devices performs a device operation. The method also includes assigning an identifier to each of the plurality of network devices. The identifier is based on the device operation and a device location. The method further includes communicating information and coordinating operations automatically among the plurality of network devices based on the identifier.

Method for dynamically controlling data paths of Machine-type-communication (MTC) local access device(s) are proposed along with a MTC gateway and a network device using the same method. In one embodiment, the proposed method may include following: a network device, receiving and storing capillary network information and MTC gateway interconnection information from at least one MTC server; combining the access network information with the capillary network information and the MTC gateway interconnection information to build an aggregated topology map; generating enhanced policy rules according to the aggregated topology map related to at least one capillary network; and respectively transmitting the enhanced policy rules to the interconnected MTC gateways.

An approach for multipath communication of a terminal via a gateway is provided. The approach includes storing a whitelist including applications corresponding to multipath communication applicable objects, and generating, when a first application included in the whitelist is executed, at least one path connected to the gateway using at least one of multiplex communication interfaces.

The present application relates to the field of communication, and in particular to a message processing method and a network device. The method comprises that a third network device is connected to the first interface of a first network device via a first link; the third network device is connected to the second interface of a second network device via a second link, wherein the first link and the second link have the same link identifier, the first network device receives a first message sent by the third network device, and the first message is a control protocol message; the first networkdevice packages the first message into a second message according to a tunnel protocol, wherein the second message includes a link identifier and the first message; and the first network device sendsthe second message to the second network device through a tunnel. The method processes the control protocol message by using the network processor of a forwarding plane, makes a backup of a control plane protocol table entry, and effectively improves the processing efficiency.

A control device for controlling a network device connected to a network. The control device comprises a communication interface adapted to receive description information of the network device from the network device via the network, and a controller adapted to automatically generate an object for the network device using the description information after the description information is received from the network device. The object is adapted to generate a control panel for controlling the network device.

The invention relates to a network block device storage system and method for a virtual machine. The method includes the steps that responses to execution conducted by users to application programs are made and a virtual machine operation system calls a virtual disk interface to send virtual disk reading and writing requests; the virtual disk interface transmits the reading and writing requests to a virtual block device drive unit; the virtual block device drive unit dispatches the reading and writing requests according to the I/O request types; according to the dispatching sequence, the reading and writing requests are packaged into network messages and the network messages are sent to a server through a storage communication protocol; the server receives the network messages sent by the multiple users, wherein the network messages carry IP addresses distributed to the users; parameters in the network messages are extracted and according to the extracted parameters, corresponding VSI serial numbers are searched for; through a file system and the corresponding VSI serial numbers, reading or writing operation is conducted on a corresponding region on a physical disk of the server. By the adoption of the network block device storage system and method for the virtual machine, packaging of intra-kernel services of the virtual machine is provided for the users and meanwhile network block device storage of the multiple users is supported.