45 results about "Bidirectional traffic" patented technology

A method for protecting a network configuration set up by a spanning tree protocol, STP, by selecting one of a plurality of bridges (2 to 11) of a computer network (1) as a root bridge (2) and by selecting one of a plurality of bridge ports (2a to 11a, 3b, 4b, 6b, 7b, 9b, 10b) of each of the plurality of bridges (2 to 11) as a root port (2a to 11a), the method comprising the steps of: setting a sub-state of at least one bridge port (2a to 11a, 3b, 4b, 6b, 7b, 9b, 10b) of at least one of the bridges (2 to 11) to an active sub-state in case that bidirectional traffic passes through the bridge port (2a to 11a, 3b, 4b, 6b, 7b, 9b, 10b), receiving an STP message, in particular a Bridge Protocol Data Unit, BPDU, in one of the bridge ports (2a to 11a, 3b, 4b, 6b, 7b, 9b, 10b) being in the active sub-state, and protecting the network configuration by discarding the STP message and / or by sending an alarm message to a network management unit (27) in case that the STP message indicates a change of the root bridge (2) of the network configuration.

A station passenger flow monitoring system, monitoring method, station passenger flow control system and control method, the monitoring system includes a data acquisition system, a data processing system, etc.; the data acquisition system includes a plurality of infrared counting, video recognition counting and gate counting set at the station equipment; these devices are all connected to the data processing system; monitoring methods include: dividing the station into non-paying area, paying area, and platform area, further separating these three areas by setting up security inspection equipment, gates for entry and exit, etc., and then using infrared Counting, gate counting and other equipment will transmit the collected data to the data processing system for processing, and obtain the two-way passenger flow in and out of the three districts. The station passenger flow management and control system further includes a management and control decision-making module on the basis of the monitoring system, and the management and control method is to effectively control the station passenger flow through the management and control decision-making module. The invention can improve the efficiency of passenger flow management and control, facilitate the dredging of passenger flow in the station, and prevent the occurrence of large passenger flow emergencies.

A data exchange device that identifies VoIP traffic flow. When a type of data flow is received by the data exchange device, the data exchange device determines whether the type of data flow is bidirectional traffic flow. If the type of data flow is bidirectional traffic flow, the data exchange calculates a first data size of downstream data of the type of data flow and a second data size of upstream data of the type of data flow. Then, the data exchange device identifies whether the type of data flow is the VoIP traffic flow according to the first data size and the second data size. If the type of data flow is the VoIP traffic flow, the type of data flow is processed according to a high priority.

The present invention discloses a method for the plane alignment arrangement of a highway and city tunnel, which utilizes two dual-layer and bidirectional tunnels with an independent and bidirectional traffic function to respectively connect two primary roads at a node of a road network so as to cause the two tunnels to intersect in a planar X shape at the node of the road network; the dual-layer and bidirectional roadways of a tunnel are respectively connected with one primary road in a successive manner while the dual-layer and bidirectional roadways of different tunnel are respectively connected with different primary road in a successive manner; and other traffic organizations with secondary flows are completed by arranging ramps connected with the tunnels. Aiming at the defects in the traffic relief method of existing highway and city tunnels, the method utilizes the two dual-layer and bidirectional tunnels with the independent and bidirectional traffic function to respectively connect two primary roads at the node of the road network; by reasonable arrangement of a route plane section and a route vertical section, the method causes the two tunnels to intersect in a planar X shape at the node of the road network, thereby realizing rapid connection with two roads at the node of the road network; and the method has the advantages of small occupancy area and low cost.

The present invention provides a two-way service data flow identification method and device, the method comprising: performing frame counting on the service data flow, performing deep packet detection and identification on the same frame of data; performing result arbitration on the identification results of the same frame of data; detecting whether There are frame data with unrecognized results, and deep flow detection and identification are performed on the frame data with unrecognized results to obtain the identification results of bidirectional service data flows; the service data flows include uplink service data flows and downlink service data flows; The identification process of the uplink service data flow and the downlink service data flow is the same, and the identification process is performed simultaneously. The present invention conducts deep packet detection and recognition on the frame data of the service data flow, and carries out deep flow detection and recognition on unrecognizable encrypted services, and the granularity of recognition is frames, and comprehensively utilizes DPI and DFI recognition technologies to detect bidirectional business data All flows are identified, which improves the efficiency of business data flow identification.