59results about How to "Avoid broadcasting" patented technology

Method and system of controlling lighting fixtures. The lighting fixtures being associated with controllable devices having features for emitting light. The control thereof may be based on a show schedule or other features used to designate desired operation of the lighting fixtures.

The invention provides a fractal tree structure commutation structure and method, a control device and an intelligent chip. The communication structure comprises a center node, a plurality of leaf nodes and a repeater module, wherein the center node is a communication data center of a network-on-chip and is used for carrying out communication data broadcasting or multicast on the plurality of leaf nodes; the plurality of leaf nodes are the communication data nodes of the network-on-chip and are used for transferring the communication data to the center leaf node; and the repeater module is used for connecting the center node and the plurality of leaf nodes and forwarding the communication data. The plurality of leaf nodes are divided into N groups, wherein the numbers of the leaf nodes in all groups are the same; the center node is in communication connection with each group of leaf nodes separately by the repeater module;the communication structure is of the fractal tree structure, the communication structure formed by each group of leaf nodes has self-similarity, and the repeater module comprises a central repeater module, a leaf repeater module and a middle repeater module.

A macro wireless communication system includes a base station and a femto access point for communicating with user equipment (UE), such as handset, whereby the UE receives information regarding the network relationships between the base station and the femto access point. A home profile setting may be stored in the UE. When the UE communicates with a femto access point that is identified in the home profile, the UE adapts a neighbor listing provided by the home femto access point. Alternatively, the base station stores a list of the UE and its corresponding home femto access point, along with the neighbor list of the femto access point. When a UE is connected to the base station and that base station is in neighbor list of the UE's home femto access point, a message is sent to the UE to forward an appropriate neighbor list to simplify handovers.

The invention discloses a cooperative routing method for a large-scale wireless distribution network, which relates to a routing protocol of an ad hoc network. The process comprises the following stepThe invention discloses a cooperative routing method for a large-scale wireless distribution network, which relates to a routing protocol of an ad hoc network. The process comprises the following stepte is found, service information is transmitted in a cooperative transmission mode. The method improves the problem of high cost of large-scale network routing by introducing clustering and a smalloute is found, service information is transmitted in a cooperative transmission mode. The method improves the problem of high cost of large-scale network routing by introducing clustering and a smallworld phenomenon, obviously enhances network performance by using cooperative transmission to optimize routing and reduce transmission delay, and applies to large-scale distribution networks.world phenomenon, obviously enhances network performance by using cooperative transmission to optimize routing and reduce transmission delay, and applies to large-scale distribution networks.s that: in a cluster-based wireless ad hoc network, an active routing table is maintained within a cluster, a plurality of remote friend nodes are maintained outside the cluster, and the clusters in ws that: in a cluster-based wireless ad hoc network, an active routing table is maintained within a cluster, a plurality of remote friend nodes are maintained outside the cluster, and the clusters in which the friend nodes are and the cluster are friend clusters; during service transmission, a route is searched in a intra-cluster routing table and a route cache table, a packet is sent to a the friehich the friend nodes are and the cluster are friend clusters; during service transmission, a route is searched in a intra-cluster routing table and a route cache table, a packet is sent to a the friend node for query if the route is not found, and the query process adopts a cooperative transmission mode; the friend node receiving the query information immediately feeds a routing to a target nodend node for query if the route is not found, and the query process adopts a cooperative transmission mode; the friend node receiving the query information immediately feeds a routing to a target nodeback to a home node if the friend node has the routing to the target node; if the query depth is not reached, the friend node continues to select other friends for inquiring the route; and after the rback to a home node if the friend node has the routing to the target node; if the query depth is not reached, the friend node continues to select other friends for inquiring the route; and after the rou

The invention discloses a method for improving the broadcasting efficiency of CSNP messages in the IS-IS routing protocol. After the DIS in the broadcasting network is elected, the DIS itself sets a variable Time, which is initialized and cleared to zero; the variable Time is used to record the received representation The new LSP time of the network topology change; when the DIS receives the new LSP1 representing the network topology change at time X, it immediately updates its own LSP database and sets Time to the current time X; after a delay of 10 seconds, it sends the CSNP report message, and clear the Time; if within 10 seconds, the DIS does not receive a new LSP message, it will send a specific Hello message to all neighbors to maintain the connection relationship. The Hello message is used to indicate that the current network topology does not any changes. The method for improving the broadcasting efficiency of the CSNP message in the IS-IS routing protocol of the present invention has the advantages of reducing the number of times of sending the CSNP message, reducing the bandwidth occupation of the CSNP broadcast message, improving the broadcasting efficiency, and the like.

An embodiment of the present invention provides a method for sending a message in a virtual network, the method comprising: an access switch receiving a layer-3 message carrying a VNID (virtual network identifier) ​​from a VM in a remote data center; The access switch determines a DN (designated node) according to the VNID; the access switch generates a layer-2 frame according to the layer-3 message, wherein the layer-2 frame includes the MAC (media access control ) address; the access switch sends the layer-2 frame to the DN according to the MAC address of the DN, so that the DN determines a layer-3 destination address according to the layer-2 frame. In this way, packet flooding in the data center can be avoided during VM migration.