45 results about "Bidirectional traffic" patented technology

Methods and systems for load balancing a plurality of entities, such as firewalls, in a network environment are disclosed. In particular, the load balancing of firewalls on a bidirectional traffic path is performed using a single device that controls both incoming and outgoing traffic through the firewalls. The single device may include virtual routers for controlling the bidirectional traffic through the firewalls. A first virtual router may control incoming traffic to the firewalls and the other virtual router may control outgoing traffic to the firewalls. The virtual routers are logical partitions of the device layered on the physical resources of the device. The virtual routers share all or portions of the physical resources of the single device.

The invention relates to a method for realizing multi-protocol label switching bidirectional protection switching. The method mainly includes: first, in an MPLS (multiprotocol label switching) network, configure corresponding bidirectional protection switching policy information for a bidirectional LSP (label switching path) based on an APS (automatic protection switching) protocol; then, when in the MPLS network based on When the APS protocol determines that bidirectional protection switching is required, the bidirectional protection switching operation is performed according to the configured bidirectional protection switching policy information. Therefore, the present invention can realize effective protection to MPLS LSP two-way data channel, guarantees that the time delay of two-way flow is in equal; Simultaneously, the APS agreement that the present invention introduces can cover the protection of MPLS LSP one-way data channel, thereby unified one-way and The realization of the mechanism of two-way protection.

The invention discloses a traffic signal control method of lane borrowing passing in a closed construction area of a highway. The traffic signal control method comprises the following six steps: traffic data acquisition, borrowed lane quantity determination, stop line position determination, lane-changing forbidding area length determination, signal control scheme determination and right of way distribution. Through the acquisition of traffic flow information of the upstream section of a unidirectional full-closed construction area of the highway, the borrowed lane quantity needed when a vehicle influenced by closed construction passes on an opposite lane is determined, and the stop line position and the lane-changing forbidding area length of the lane influenced by closed construction are determined. Through the signal control scheme provided by the traffic signal control method, traffic flow rights of way of the unidirectional full-closed construction area of the highway are sequentially distributed. The bidirectional traffic flow passing in the unidirectional full-closed construction area of the highway is controlled by a signal, the phenomenon of the free crossing of vehicles, which is caused by that vehicles are decreased, is reduced, the safety of traffic operation is improved, and therefore, the traffic signal control method has practical significance.

The invention discloses a city streetcar, BRT and conventional bus transit network traffic allocation method and transfer junction determining method. The city streetcar, BRT and conventional bus transit network traffic allocation method and transfer junction determining method is characterized in that on the basis of fixed public transportation passenger flow OD and a known city streetcar, BRT and conventional bus transit network, the traffic among all traffic zones are allocated one by one according to the bidirectional traffic magnitude, from large to small, of the traffic zones, the traffic is allocated to the bus transit network with a shortest route algorithm, the transfer amount of each node is calculated, and transfer junction positions and levels are determined according to the transfer amount. The city streetcar, BRT and conventional bus transit network traffic allocation method and transfer junction determining method is mainly used for macroscopic public transportation transfer junction arrangement, the requirement that most travelers travel according to the shortest routes is satisfied, the attraction of large-capacity public transportation manners to the travelers is increased, and public transportation travelling efficiency is increased.

A scheduling method and a scheduling apparatus based on physical layer network coding for bidirectional traffic are provided. The method includes setting up paths passing through a node to perform the physical layer network coding of the bidirectional traffic of sessions that pass through the node. The method further includes requesting, from neighboring nodes of the node, information to be used to schedule the sessions for the physical layer network coding. The method further includes scheduling the sessions for the physical layer network coding based on a queue differential of each session that is calculated based on the information, and a rate of each link of each session.

The invention belongs to the field of intersection traffic signal control and particularly relates to a method and a system for intersection signal control of a single-lane bidirectional-traffic workshop. The system comprises a vehicle detection system, a vehicle traffic signal indicating system, a traffic signal control device, a workshop passage transparent fast roller shutter door and a traffic safety facility system. On the basis of the system, the method includes: firstly, determining intersection design parameters; secondly, determining traffic stream characteristics of a single lane and passages in the workshop; thirdly, setting the intersection traffic safety facility system; fourthly, setting the vehicle traffic signal indicating system and arranging the vehicle detection system; finally determining intersection control strategies and timing schemes. The method and the system for signal control of intersections of logistics passages in the workshop and single-lane bidirectional traffic through the workshop are practical and feasible and solve the problem of intersection control.

The invention relates to a method for implementing bidirectional traffic engineering tunnel, and its kernel: as two routers each build a unidirectional tunnel between them, configuring bond objects in Resource reSerVation Protocol-Traffic Engineering (RSVP-TE) protocol; based on extension of the configured RSVP-TE protocol, binding the two unidirectional tunnels. By the built bidirectional tunnel, it can not only support all original service applications of RSVP-TE but flexibly and conveniently provide three-layer VPN services just like general routing enveloped (GRE) tunnel, where the VPN has enough bandwidth and TE attributes.

The invention discloses a large-span bridge traffic flow density control system and method based on a smart phone. The system comprises a data association module, an abnormal event monitoring module,a bidirectional traffic flow prediction module, a bridge monitoring center, an induction module and a traffic flow dynamic distribution module. The bridge monitoring center is in information communication with the bidirectional traffic flow prediction module and the traffic flow dynamic distribution module. The control system can predict the traffic flow condition in the bridge in a certain time period in the future according to the traffic flow density, the weather condition, the vehicle position, the vehicle speed and the vehicle quality of several kilometers around; when it is predicted that the traffic flow density in the bridge is too large, early warning is given to vehicles in advance to avoid the situation that a large number of vehicles are left on the bridge due to sudden accidents on the bridge and then bridge deck collapse and other dangerous situations caused by bridge overload carrying; meanwhile, the vehicles entering the bridge are subjected to lane guiding, and damageto the bridge structure due to uneven loads of different lanes on the bridge is avoided.

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 traffic identification system is applied to a data conversion device, and comprises a bidirectional traffic detection module used for detecting whether a packet of a type possesses the bidirectional traffic when the data conversion device receives the packet of the type; a data size monitoring module used for monitoring the data size flowing into the data conversion device from the packet of the type within a predetermined time via a network and the data size flowing out from the data conversion device via the network, when the above packet of the type possesses the bidirectional traffic; a traffic identification module used for judging whether the traffic of the above packet of the type is VoIP traffic according to the data sizes; and a packet processing module used for giving a preset priority to the packet of the type to preferentially process the packet of the type when the traffic of the above packet of the type is VoIP traffic. The present invention also provides a traffic identification method. According to the traffic identification system and the traffic identification method of the present invention, the VoIP traffic can be identified effectively, and the quality of the VoIP voice communication is improved.

The invention discloses a reversible lane setting method, device and equipment, and aims at reducing misjudgment phenomena and improving the accuracy of reversible lane setting. The method comprises the following steps: acquiring trajectory data, including vehicle position information and vehicle time information, of commuting vehicles of a road section in each set time period; determining the average speed of the bidirectional traffic flow of the road section in each set time period according to the trajectory data of the commuting vehicles; using the trajectory data of the commuting vehiclesto determine the number of vehicles in the two-way traffic flow direction in a tide setting time period corresponding to the first preset condition if the average speed of the two-way traffic flow meets a first preset condition; and setting an inner side lane in the one-way traffic flow direction as a reversible lane, and setting the tide setting time period as a passage time period of the reversible lane if the number of vehicles in the one-way traffic flow direction in the tide setting time period meets a second preset condition.

The invention provides a testing method applied to an optical module of a white-box switch, and the white-box switch is internally provided with a plurality of ports into which optical modules are inserted. The method comprises the following steps: S1, dividing all ports in the white-box switch into port groups, and serially connecting the port groups to form a loop; S2, configuring the white-boxswitch to carry out basic function tests on the optical module, wherein the basic function tests comprise an optical module in-place identification test and a link connection test; S3, configuring the white-box switch to carry out optical module compatibility test on the port of each port group connected with the adjacent port group in sequence; and S4, configuring the white-box switch to carry out a traffic test on the optical module, establishing a bidirectional traffic storm between the port groups, and detecting whether each port has a transmission error or not.

The invention relates to the technical field of computer network traffic analysis, and aims to mine a normal Server IP white list by clustering network traffic through a K-Means clustering algorithm.The method comprises the following steps: firstly, acquiring required communication traffic, restoring bidirectional traffic between two IPs from the required communication traffic, and extracting aninitial white list; then analyzing and storing bidirectional traffic statistical traffic basic information; then performing feature extraction according to the statistical traffic basic information, and clustering features by using a K-Means algorithm to obtain a clustering result; and finally, obtaining the distribution of the initial white list in the clustering result so as to obtain a normal Server IP white list. According to the invention, the normal Server IP white list can be conveniently extracted from the network traffic, the workload of establishing the white list is reduced, and theupdate is convenient.

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 invention discloses a suspension type vertical circulation parking lot with a lifting mechanism and a bidirectional traffic function. The suspension type vertical circulation parking lot comprises an upper support frame and a lower support frame which are fixed above the ground; a main track is fixed in the bottom of the upper support frame, and a stable track is fixed in the top of the lower support frame; a plurality of self-propelled units for bearing vehicles are arranged between the main track and the stable track; each self-propelled unit comprises a vertical circulating parking mechanism; and the top of the vertical circulating parking mechanism is fixed below the main track through a self-driven traveling mechanism, and the bottom of the vertical circulating parking mechanism is fixed to the top of the stable track through a stable traveling mechanism. The suspension type vertical circulation parking lot integrates the traffic function and the parking lot function, and the problem that an existing parking lot conflicts with road traffic can be effectively solved. In addition, in the whole structure, only stand columns and the lifting mechanism occupy the ground area, the occupied area is small, urban space can be reasonably utilized, a large number of parking spaces are provided, and high-density parking is achieved.

The invention discloses a ventilation method for an all-weather bridge passage. Mechanical ventilation is adopted when the product of the passage length L of a sea-crossing all-weather bridge passagefor bidirectional traffic and a designed hour traffic volume N is larger than 6 * 10<5>; when the product of the passage length L of the sea-crossing all-weather bridge passage for two-way traffic andthe designed hour traffic volume N is smaller than 6 * 10<5>, natural ventilation is adopted; when the product of the passage length L of the one-way traffic sea-crossing all-weather bridge passage and the designed hour traffic volume N is larger than 2 * 10 < 6 >, mechanical ventilation is adopted; when the product of the passage length L of the one-way traffic sea-crossing all-weather bridge passage and the designed hour traffic volume N is smaller than 2 * 10 < 6 >, natural ventilation is adopted; by the adoption of the above ventilation mode, ventilation systems such as an air supply duct, an air exhaust duct and a large fan room do not need to be arranged, the construction cost can be saved, the later maintenance cost and time can be saved, and the influence of severe weather conditions such as offshore typhoon and rainstorm on bridge passage driving passage can be reduced.