CN105743785A - Routing switching method and routing switching device for equipment - Google Patents
Routing switching method and routing switching device for equipment Download PDFInfo
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Abstract
The invention provides a routing switching method and a routing switching device for the equipment. The method comprises steps that the physical position information of all equipment in a designated network is acquired; a network configuration graph is established according to the physical position information, and the network configuration graph is used for reflecting the position relationship among the equipment; when a fault of the designated equipment is detected, the target switching equipment is selected on the basis of the network configuration graph according to preset rules; routing switching from the designated equipment to the target equipment is carried out. Through the method, as the equipment of the network system in the prior art generates a routing fault, a problem that the communication network can not be rapidly recovered at the relatively short time is solved, routing switching can be realized in the short time, and normal communication of the equipment is guaranteed.
Description
Technical field
The present invention relates to the communications field, in particular to route switching method and the device of a kind of equipment.
Background technology
In recent years, along with the sustainable development of the wireless terminal devices such as mobile phone, society is increasing for the dependency of wireless network.Especially at military and power domain, the routing stability of Wireless Telecom Equipment is most important, and therefore various Routing Protocols arise at the historic moment.
In earthquake, after the disaster such as mud-rock flow occurs, often occur that power equipment break the problems such as ring, communication system interruption, so rescue work generation is had a strong impact on, the quadratic loss of personnel and property can be caused.Therefore, it is possible to quickly restoration route communication becomes the task of top priority.In military field, if cannot communication, tactics cannot be passed on, and cannot exchange between personnel, and stable communication apparatus is the guarantee that war is won victory.But, the situation of military field is often fast changing, and in new military area, army personnel generally requires the communication network of quick Erecting and improving, it is provided that communication environment reliably.Meanwhile, the probability that communication apparatus is damaged is very big, it is ensured that communication is unimpeded particularly important.In communication network of today, the effect of emergency system is most important, when running into fault, it is necessary to it can set up effective and stable new route in time.
Current wireless communication networks becomes increasingly complex, and the entry number of the routing table of equipment is also day by day huge.By the mode in correlation technique, after route disconnecting, software needs to update routing table, according to a certain routing algorithm, sets up new connection.Traditional Routing Protocol is divided into static routing protocol and dynamic routing protocol, and dynamic routing protocol can be divided into distance vector Routing Protocol (DistanceVectorRoutingProtocol is referred to as DVRP) and link-state routing protocol (LinkStateRoutingProtocol is referred to as LSRP).For distance vector Routing Protocol, it is according to distance vector, for instance: jumping figure hop, the method determining Optimization route being routed, this distance refers to virtual jumping figure distance rather than the physics absolute distance of reality.Routing Protocol in correlation technique is the software protocol that the routing iinformation by equipment switches over, and it exists two big drawbacks.One is the routing table information that communication apparatus needs to safeguard whole network, and this needs to consume ample resources；The two algorithm complexity being based on routing table, this is high to the requirement of software protocol.Above-mentioned deficiency all can affect the stability of network.
For the equipment in network system in correlation technique when routing failure occurs, it is difficult to the problem effectively recovering communication network in the short period, effective solution is not yet proposed at present.
Summary of the invention
Present invention is primarily targeted at the changing method and device that provide a kind of route, the equipment in network system that solves in correlation technique in correlation technique is when there is routing failure, it is difficult to the problem effectively recovering communication network in the short period.
According to aspects of the present invention, it is provided that the route switching method of a kind of equipment, including: obtain and specify the physical location information of all devices in network；Setting up described network structure according to described physical location information, wherein this network structure is for reflecting the position relationship between described all devices；When detecting that designated equipment exists routing failure, select target switching equipment according to described network structure according to preset rules；Perform the described designated equipment route handoff to described target device.
Further, target switching equipment is selected to include according to described position assumption diagram according to preset rules: according to described position assumption diagram, as described target, the equipment the shortest with described designated equipment physical distance to be switched equipment.
Further, described physical location information includes: coordinate information, obtains and specifies the physical location information of all devices in network to include: obtains described coordinate information from the historical record that this locality prestores.
Further, in the historical record prestored from this locality, obtain described coordinate information before include: periodically obtain the coordinate information of all devices in described appointment network；Update the coordinate information of storage in local historical record.
Further, periodically obtaining the equipment of the coordinate information of all devices in described appointment network includes one below: global position system GPS equipment, triones navigation system BDNS equipment.
Further, setting up described network structure according to described physical location information and include: build the route annexation of described equipment according to described coordinate information, wherein, described route annexation is for indicating the physical distance between described equipment；The network structure of described equipment is set up according to described route annexation.
According to a further aspect in the invention, it is provided that the route handoff device of a kind of equipment, including: the first acquisition module, specify the physical location information of all devices in network for obtaining；Setting up module, for setting up described network structure according to described physical location information, wherein this network structure is for reflecting the position relationship between described all devices；Select module, for when detecting that designated equipment exists routing failure, selecting target switching equipment according to described position assumption diagram according to preset rules；Handover module, for performing the described designated equipment route handoff to described target device.
Further, described handover module is additionally operable to, and according to described position assumption diagram, as described target, the equipment the shortest with described designated equipment physical distance is switched equipment.
Further, described physical location information includes: coordinate information, and described first acquisition module is additionally operable to, and obtains described coordinate information from the historical record that this locality prestores.
Further, described device also includes: the second acquisition module, for periodically obtaining the coordinate information of all devices in described appointment network；More new module, for updating the coordinate information of storage in local historical record.
Pass through the present invention, adopt to obtain and specify the physical location information of all devices in network, the network structure of all devices is set up according to this positional information, when routing failure occurs, the designated equipment mode to the route handoff of target device is performed according to preset rules according to this network structure, the route handoff of equipment is carried out by the physical location information of equipment, complicated huge routing table need not be safeguarded, and the algorithm of which is simple, the equipment solved in correlation technique in network system is when there is routing failure, the problem being difficult in the short period effectively to recover communication network, thus achieving the switching of route at short notice, ensure that the communication of equipment is normal.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the route switching method flow chart of equipment according to embodiments of the present invention；
Fig. 2 is the route handoff apparatus structure block diagram of equipment according to embodiments of the present invention；
Fig. 3 is the optional structured flowchart of the route handoff device of equipment according to embodiments of the present invention；
Fig. 4 is the route handoff apparatus structure block diagram of the communication apparatus according to alternative embodiment of the present invention；
Fig. 5 is the initialization route switching method flow chart of the communication apparatus according to alternative embodiment of the present invention；
Fig. 6 is the route switching method flow chart one of the communication apparatus according to alternative embodiment of the present invention；
Fig. 7 is the route switching method flowchart 2 of the communication apparatus according to alternative embodiment of the present invention；
Fig. 8 is the structural representation of the route network according to alternative embodiment of the present invention.
Detailed description of the invention
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments.It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Providing the changing method of a kind of route in the present embodiment, Fig. 1 is the route switching method flow chart of equipment according to embodiments of the present invention, as it is shown in figure 1, this flow process comprises the steps:
Step S102: obtain and specify the physical location information of all devices in network；
Step S104: set up network structure according to physical location information；
Wherein this network structure is for reflecting the position relationship between all devices；
Step S106: when detecting that designated equipment exists routing failure, selects target switching equipment according to network structure according to preset rules；
Step S108: perform the designated equipment route handoff to target device.
Pass through the present embodiment, adopt to obtain and specify the physical location information of all devices in network, the network structure of all devices is set up according to this positional information, when routing failure occurs, the designated equipment mode to the route handoff of target device is performed according to preset rules according to this network structure, the route handoff of equipment is carried out by the physical location information of equipment, complicated huge routing table need not be safeguarded, and the algorithm of which is simple, the equipment solved in correlation technique in network system is when there is routing failure, the problem being difficult in the short period effectively to recover communication network, thus achieving the switching of route at short notice, ensure that the communication of equipment is normal.
In the present embodiment, select the mode of target switching equipment to have multiple according to position assumption diagram according to preset rules, can be achieved in that in an optional embodiment of the present embodiment, according to position assumption diagram, the equipment the shortest with designated equipment physical distance be switched equipment as target.
It should be noted that, the above-mentioned equipment the shortest according to physical location information chosen distance is as the optional embodiment that the mode of target device is the present invention, in a practical situation, if needing the routing relation between two equipment of switching, but it is not be close between the two equipment, and the routing relation between amount equipment has multiple, the switching that route can be carried out according to the routing relation that physical location information selects the spacing of this equipment the shortest, that is can be according to actual needs, aforesaid way is only used only to be illustrated, it is not intended that the restriction of the present invention.
The physical location information related to for the present embodiment may include that coordinate information, when this physical location information is coordinate information, obtains and specify the mode of the physical location information of all devices in network can be accomplished in that from the historical record that this locality prestores to obtain coordinate information.
And in another optional embodiment of the present embodiment, obtain before coordinate information from the historical record that this locality prestores above-mentioned, the method for the present embodiment can also include:
Step S11: periodically obtain and specify the coordinate information of all devices in network；
Step S12: update the coordinate information of storage in local historical record.
And in the present embodiment, alternatively, periodically obtaining and specify the equipment of the coordinate information of all devices in network can be one below: global position system GPS equipment, triones navigation system BDNS equipment.Certainly this GPS device and BDNS equipment are also merely illustrative, and can select one of them, it is also possible to select other can carry out the equipment of location positioning in actual application scenarios.
Additionally, also relate to the method setting up network structure according to physical location information in the present embodiment, the method can be accomplished in that
Step S21: build the route annexation of equipment according to coordinate information, wherein, route annexation is for the physical distance between instruction equipment；
Step S22: set up the network structure of equipment according to route annexation.
Additionally providing changing method and the device of a kind of route in the present embodiment, this device is used for realizing above-described embodiment and preferred implementation, has be carried out repeating no more of explanation.As used below, term " module " can realize the software of predetermined function and/or the combination of hardware.Although the device described by following example preferably realizes with software, but hardware, or the realization of the combination of software and hardware is also likely to and is contemplated.
Fig. 2 is the route handoff apparatus structure block diagram of equipment according to embodiments of the present invention, as in figure 2 it is shown, this device includes: the first acquisition module 22, specifies the physical location information of all devices in network for obtaining；Setting up module 24 and the first acquisition module 22 is of coupled connections, for setting up network structure according to physical location information, wherein this network structure is for reflecting the position relationship between all devices；Module 26 is selected to be of coupled connections with setting up module 24, for when detecting that designated equipment exists routing failure, selecting target switching equipment according to position assumption diagram according to preset rules；Handover module 28 is of coupled connections with selecting module 26, for performing the designated equipment route handoff to target device.
Alternatively, handover module 28 can be also used for, according to position assumption diagram, as target, the equipment the shortest with designated equipment physical distance is switched equipment.
Alternatively, physical location information includes: coordinate information, and the first acquisition module 22 is additionally operable to from the historical record that this locality prestores to obtain coordinate information.
Fig. 3 is the optional structured flowchart of the route handoff device of equipment according to embodiments of the present invention, as it is shown on figure 3, this device also includes: the second acquisition module 32, specifies the coordinate information of all devices in network for periodically obtaining；More new module 34 and the second acquisition module 32 and the first acquisition module 22 are of coupled connections, for updating the coordinate information of storage in local historical record.
In order to better the present invention will be described, the optional enforcement below in conjunction with the present invention is illustrated.
This alternative embodiment provides the route handoff device of a kind of communication apparatus, Fig. 4 is the route handoff apparatus structure block diagram of the communication apparatus according to alternative embodiment of the present invention, as shown in Figure 4, this device includes: location positioning module 42, state detection module 44, information acquisition module 46, route handoff module 48.
This alternative embodiment is provided with global positioning system (GlobalPositioningSystem is referred to as GPS) in the locating module of position and realizes the positioning function of equipment, namely obtained the position coordinates of communication apparatus by location positioning module；State detection module is for detecting the connection status of communication apparatus, and this detection in the present embodiment needs to carry out in real time, could find that the route of communication apparatus connects fault effectively in time；Information acquisition module is for collecting locating module and the information of state detection module two aspect, the namely physical coordinates of current device and its peripheral equipment, and it is consequently formed the position assumption diagram of route network and the port connection state of communication apparatus, it is judged that whether the route of equipment is by broken ring；Once route is interrupted, route handoff module will be cut off existing route and connect, and switch to new route and connect up；The route connection status that route handoff module provides for the communication apparatus positional information provided according to information acquisition module and state detection module switches over.Route handoff is not run to select new connection based on the software algorithm of routing table, but the physical location information according to adjacent communication apparatus, select nearest communication apparatus as new connecting object.
Day by day complicated now with network structure, the entry number of routing table is that geometrical progression increases, and the algorithm of route handoff is required also more and more higher by this.Route handoff algorithm in correlation technique, is based on the software algorithm of routing table.The raising of the complexity of software algorithm, can cause that algorithm exists certain delay on the one hand, add the uncertainty of route handoff on the other hand.Particularly in the emergency systems such as military affairs, when routing link is subject to brokenly ring, primary demand is exactly fast and effeciently set up new route to connect.The demand meeting in emergency system it is difficult to based on the software exchange algorithm of routing table.
From above description, the route protection device of this alternative embodiment has the effect that, compared with routeing handoff algorithms with correlation technique, the equipment that 1. alternative embodiments need not be extra；2. this alternative embodiment has only to safeguard simple route location information, it is not necessary to safeguard complicated huge routing table；3. this alternative embodiment algorithm is simple, the routing algorithm that physically based deformation position is nearest, it is not necessary to search complicated routing table；4. the response of this alternative embodiment is quickly, once communication apparatus suffers brokenly that ring, device are made without loaded down with trivial details algorithm, it is possible to quickly sets up effective routing and connects, thus meeting military grade to require higher field for routing stability and promptness.
According to specific embodiment below in conjunction with accompanying drawing the technical scheme of this alternative embodiment is carried out completely, clearly describes.Technical scheme involved by this alternative embodiment is based on router, according to the physical location information of each communication apparatus, when routing link suffers brokenly ring, quickly carries out route handoff.
Embodiment one
Fig. 5 is the initialization route switching method flow chart of the communication apparatus according to alternative embodiment of the present invention, as it is shown in figure 5, the method includes:
Step S502: location positioning module, according to GPS device, obtains the position coordinates of all communication apparatus in this routing network；
Step S504: information acquisition module, by obtaining the position coordinates of communication apparatus, forms network structure；
Step S506: the communication apparatus position coordinates that route handoff module provides according to information acquisition module, initializes route between two communication apparatus that physical distance is nearest and connects.
Fig. 6 is the route switching method flow chart one of the communication apparatus according to alternative embodiment of the present invention, and as shown in Figure 6, the method includes:
Step S602: obtain the position coordinates of routing device；
Wherein, location positioning module, according to GPS device, obtains the position coordinates of communication apparatus in this routing network；
Step S604: detection connection status and location status in real time；
Wherein state detection module detects the location updating situation of communication apparatus in real time, and state detection module detects the connection status of communication apparatus simultaneously, and this is the foundation carrying out route handoff in this alternative embodiment；
Step S606: judge whether state changes；
Information acquisition module by obtaining the position coordinates of communication apparatus, forms network structure on the one hand, on the one hand the connection status according to communication apparatus, it may be judged whether need to switch over；Once a certain bar link interrupts, then perform step S608；
Step S608: set up new connection for condition so that physical distance is the shortest；
Wherein, once routing link interrupts, route handoff module is started working；The communication apparatus position coordinates that this module provides according to information acquisition module, by the route handoff of interruption to the communication apparatus the shortest with this communication apparatus physical distance.
Fig. 7 is the route switching method flowchart 2 of the communication apparatus according to alternative embodiment of the present invention, as it is shown in fig. 7, this device, the method includes:
Step S702: obtain the position coordinates of routing device；
Wherein, location positioning module, according to GPS device, obtains the position coordinates of communication apparatus in this routing network；
Step S704: set up new backup for condition connect so that physical distance is the shortest；
Wherein, the communication apparatus position coordinates that information acquisition module provides according to location positioning module, set up the link with this communication apparatus physical shortest path；
Step S706: judge whether original Link State changes；
Wherein, state detection module detects the connection status of link in real time, it may be judged whether need to switch over.Once a certain bar link interrupts, then perform step S708；
Step S708: enable backup and connect；
Wherein, route handoff is carried out according to the shortest route set up in step 2.
Embodiment two
Fig. 8 is the structural representation of the route network according to alternative embodiment of the present invention, and as shown in Figure 8, whole network contains the route of six communication apparatus, and all of equipment is required for being communicated with the external world by root route.Additionally, except route 5, all the other 5 equipment are all the equipment of former existence, route 5 is the equipment added in the later stage.Root route is the unique channel of whole network correspondence with foreign country.
Application scenarios one: the foundation of route network.In emergency system, when equipment is destroyed, it is necessary to promptly introduce new communication apparatus and route and set up communication connection, it route 1 and route connection to route 4 altogether 4 equipment according to the foundation of network physical position, here it is the initialization that network connects.Route 1, the distance that route 2 route with root is all 2 unit, and they are directly connected with root route, so completes initialization with the root route nearest equipment of physical distance.Route 3 can select route 1 or route 2, and any one is set up and connects, and so the physical distance of route 3 and root route is the shortest, it is assumed that final route 3 and route 1 foundation connection.The connection of route 4 foundation and route 3, although route 4 is minimum by the jumping figures routeing 2 connection roots routes, but according to the nearest principle of physical distance, the connection of route 4 foundation and route 3.It can thus be seen that the process that the initialized process of new route network namely constantly expands outwardly from root route, it is not necessary to complicated software algorithm, it is only necessary to the physical location of communication apparatus.
Application scenarios two: the introducing of new communication apparatus route.Existing network needs to be newly added route 5, and according to beeline algorithm, route 5 is directly initially connected with route 4 foundation.If according to the route minimum hop count principle in usual software algorithm, route 5 is it is to be appreciated that the connection of all the other routes, the connection set up with route 1 in network, and so the jumping figure of route 5 to root route is minimum.The software algorithm of this complexity, it is necessary to know the connection state of whole network.And the method using this alternative embodiment to relate to, it route 5 by being directly connected with route 4 foundation, it is possible to add existing network rapidly.
Application scenarios three: route connection in network and destroyed.Disconnecting between route 3 and route 1.Route 3, route 4, route 5 cannot with root route communication, but still can communication mutually between them.Current route 2 is that the foundation between route 3 and route 2 connects from they nearest routes, and route 4 and route 5 need not do any work, can recover whole network.This be foundation with the shortest physical distance routing algorithm, fast and effeciently ensure the unobstructed of network.
In military affairs etc. for the higher field of route handoff time requirement, adopt the route switching method in this alternative embodiment, it is possible to set up to fast and reliable new route and connect.With in correlation technique based on compared with the equipment of routing table, the resource of this equipment consumption greatly reduces, and algorithm is simple simultaneously, has certain superiority.When building route network, adopt the device in this alternative embodiment, replace traditional route protection device, it is possible to reduce route protection cost, improve the efficiency of Route establishment switching.
These are only optional embodiment of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. the route switching method of an equipment, it is characterised in that including:
Obtain and specify the physical location information of all devices in network；
Setting up described network structure according to described physical location information, wherein this network structure is for reflecting the position relationship between described all devices；
When detecting that designated equipment exists routing failure, select target switching equipment according to described network structure according to preset rules；
Perform the described designated equipment route handoff to described target device.
2. method according to claim 1, it is characterised in that select target switching equipment to include according to preset rules according to described position assumption diagram:
According to described position assumption diagram, the equipment the shortest with described designated equipment physical distance is switched equipment as described target.
3. method according to claim 1, it is characterised in that described physical location information includes: coordinate information, obtains and specifies the physical location information of all devices in network to include:
Described coordinate information is obtained from the historical record that this locality prestores.
4. method according to claim 3, it is characterised in that include before obtaining described coordinate information in the historical record prestored from this locality:
Periodically obtain the coordinate information of all devices in described appointment network；
Update the coordinate information of storage in local historical record.
5. method according to claim 4, it is characterised in that periodically obtaining the equipment of the coordinate information of all devices in described appointment network includes one below:
Global position system GPS equipment, triones navigation system BDNS equipment.
6. method according to claim 3, it is characterised in that set up described network structure according to described physical location information and include:
Build the route annexation of described equipment according to described coordinate information, wherein, described route annexation is for indicating the physical distance between described equipment；
The network structure of described equipment is set up according to described route annexation.
7. the route handoff device of an equipment, it is characterised in that including:
First acquisition module, specifies the physical location information of all devices in network for obtaining；
Setting up module, for setting up described network structure according to described physical location information, wherein this network structure is for reflecting the position relationship between described all devices；
Select module, for when detecting that designated equipment exists routing failure, selecting target switching equipment according to described position assumption diagram according to preset rules；
Handover module, for performing the described designated equipment route handoff to described target device.
8. device according to claim 7, it is characterised in that described handover module is additionally operable to, switches equipment using the equipment the shortest with described designated equipment physical distance as described target according to described position assumption diagram.
9. device according to claim 7, it is characterised in that described physical location information includes: coordinate information, described first acquisition module is additionally operable to, and obtains described coordinate information from the historical record that this locality prestores.
10. device according to claim 9, it is characterised in that described device also includes:
Second acquisition module, for periodically obtaining the coordinate information of all devices in described appointment network；
More new module, for updating the coordinate information of storage in local historical record.
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| CN201410767944.1A CN105743785B (en) | 2014-12-12 | 2014-12-12 | The route switching method and device of equipment |
| PCT/CN2015/097032 WO2016091190A1 (en) | 2014-12-12 | 2015-12-10 | Route switching method and apparatus of device |
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| CN201410767944.1A CN105743785B (en) | 2014-12-12 | 2014-12-12 | The route switching method and device of equipment |
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| Publication number | Publication date |
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| CN105743785B (en) | 2019-09-10 |
| WO2016091190A1 (en) | 2016-06-16 |
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