CN102204127B - Method, apparatus and system for detecting type of network equipment - Google Patents
Method, apparatus and system for detecting type of network equipment Download PDFInfo
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- CN102204127B CN102204127B CN201180000578.1A CN201180000578A CN102204127B CN 102204127 B CN102204127 B CN 102204127B CN 201180000578 A CN201180000578 A CN 201180000578A CN 102204127 B CN102204127 B CN 102204127B
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- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
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Abstract
A method for determining the type of network equipment is provided by the embodiment of the present invention. The method includes: transmitting a testing optical pulse to a reflector by a detection apparatus; obtaining a factor K of a second network equipment according to the optical power of the testing optical pulse reflected by said reflector, the transmitted optical power of the testing optical pulse, and the fiber distance between said reflector and a first network equipment; determining the equipment type of said second network equipment according to the factor K. The present invention resolves the network topology problems of manually inputting the type of network equipment and so on, realizes the automatic and accurate determination of the types of various network equipments in network, furthermore, determines the topology of the whole network automatically. When said network fails to work, the present invention is able to accurately determine the exact position where the network malfunction occurs and improves the network construction efficiency.
Description
Technical field
The present invention relates to communication system, relate in particular to a kind of methods, devices and systems of Sampling network device type.
Background technology
Development along with Network, traditional copper cash broadband access system can not meet the needs of existing network business to bandwidth, PON (Passive Optical Network, EPON) technology possesses the advantages such as the fiber resource of saving, cost is low, bandwidth is high, multi service access, has become the developing direction of future network technology.
As shown in Figure 1, EPON comprises local side service convergence equipment OLT (Optical Line Terminal, optical line terminal), subscriber terminal equipment ONU (Optical Network Unit, optical network unit).Each port of OLT is below by optical splitter with a plurality of ONU, and PON is the network of a P2MP (Point Multiple Point, point-to-multipoint main website).Communication between OLT and ONU adopts time-multiplexed mode to realize, and each ONU carries out communication with OLT in the mandate time window of OLT.
Because the user that each port of PON covers is more, scope is wider, and the traffic carrying capacity of related customer service is larger, therefore extremely important to the operation maintenance of PON network.
At present, for the operation maintenance scheme of PON as shown in Figure 2, described network comprises: OLT, optical switch element (Optical Switch Unit, OSU), optical time domain reflectometer (optical time domain reflectometer Optical Time Domain Reflection, OTDR) and hand-hold type luminous power detect (Optical Power Measurement, OPM) module.The application of this network is as follows: when network opening is checked and accepted, be mainly whether the loss of testing piecemeal every section of path by hand-held OPM meets design requirement; After service fulfillment, by equipment or terminal alarm, find traffic failure, then by OTDR, locate the particular location of fault.
In above-mentioned operation maintenance scheme, the type of the various network device in network topology structure, quantity etc. are all to input manually, and because P2MP topology of networks is more complicated, so input manually, not only efficiency is low, cycle is long, easily makes mistakes, and can not detect in time and find topological situation of change.
Summary of the invention
Embodiments of the invention provide a kind of methods, devices and systems of Sampling network device type, have realized and automatically and have exactly determined the type of various network device in network, and then automatically determined whole topology of networks.For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of method of Sampling network device type, described network comprises: checkout gear and at least one reflector, described checkout gear is arranged on first network equipment, described at least one reflector and at least one second network equipment match, wherein, described checkout gear is positioned at the front end of described reflector, and described method comprises:
Described checkout gear sends test light pulse to described reflector, and wherein said each reflector has different reflectivity;
Described checkout gear obtains the luminous power of the test light pulse of described reflector reflection, and described reflector is to the fiber distance of described first network equipment;
The luminous power of the test light pulse that described checkout gear reflects according to described reflector, the luminous power of the test light pulse of described transmission, and described reflector is to the fiber distance of described first network equipment, obtains the K value factor of described second network equipment;
Described checkout gear, according to the described K value factor, is determined the device type of described second network equipment; Wherein, the K value factor of described second network equipment is corresponding one by one with the device type of described second network equipment.
A kind of device of Sampling network topological structure, described device is arranged on first network equipment, at least one second network equipment is connected with described first network equipment, described in each, on second network equipment, mate a reflector, wherein, described first network equipment is positioned at the front end of described second network equipment, and described device comprises:
The first transmitting element, for sending test light pulse to described reflector, wherein said each reflector has different reflectivity;
The first acquiring unit, for obtaining the luminous power of the test light pulse of described reflector reflection, and described reflector is to the fiber distance of described first network equipment;
Second acquisition unit, for according to the luminous power of the test light pulse of described reflector reflection, the luminous power of the test light pulse of described transmission, and described reflector is to the fiber distance of described first network equipment, obtains the K value factor of described second network equipment;
The first device type determining unit, for according to the described K value factor, determines the device type of described second network equipment; Wherein, the K value factor of described second network equipment is corresponding one by one with the device type of described second network equipment.
A kind of system of Sampling network device type, described system comprises: described checkout gear is arranged on first network equipment, described at least one reflector and at least one second network equipment match, and wherein, described checkout gear is positioned at the front end of described reflector; Wherein,
Described checkout gear, for sending test light pulse to described reflector; Obtain the luminous power of the test light pulse of described reflector reflection, and described reflector is to the fiber distance of described first network equipment; According to the luminous power of the test light pulse of described reflector reflection, the luminous power of the test light pulse of described transmission, and described reflector is to the fiber distance of described first network equipment, obtains the K value factor of described second network equipment; According to the described K value factor, determine the device type of described second network equipment; Wherein, the K value factor of described second network equipment is corresponding one by one with the device type of described second network equipment;
Described reflector, for returning to the luminous power of the test light pulse of described reflection, wherein said each reflector has different reflectivity.
The methods, devices and systems of a kind of Sampling network device type that the embodiment of the present invention provides, send test light pulse to described reflector by checkout gear, and wherein said each reflector has different reflectivity; Obtain the luminous power of the test light pulse of described reflector reflection, and described reflector is to the fiber distance of described first network equipment; According to the luminous power of the test light pulse of described reflector reflection, the luminous power of the test light pulse of described transmission, and described reflector is to the fiber distance of described first network equipment, obtains the K value factor of described second network equipment; According to the described K value factor, determine the device type of described second network equipment; Wherein, the K value factor of described second network equipment is corresponding one by one with the device type of described second network equipment.Solve the problem of the network topology structures such as manual input types of network equipment, realized and automatically and exactly determined the type of various network device in network, and then automatically determined whole topology of networks.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of EPON in prior art;
Fig. 2 is used hand-hold type OPM to detect the structure chart of EPON in prior art;
The method flow diagram of the Sampling network device type that Fig. 3 provides for the embodiment of the present invention;
The concrete grammar flow chart of the Sampling network device type that Fig. 4 provides for the embodiment of the present invention;
The networking structure schematic diagram of the Sampling network device type that Fig. 5 provides for the embodiment of the present invention;
The apparatus structure schematic diagram of the Sampling network device type that Fig. 6 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of method of Sampling network device type, as shown in Figure 3, comprises the following steps:
Described network comprises: checkout gear and at least one reflector, and described checkout gear is arranged on first network equipment, and described at least one reflector and at least one second network equipment match, and wherein, described checkout gear is positioned at the front end of described reflector.
302, described checkout gear sends test light pulse to described reflector, and wherein said each reflector has different reflectivity.
Described test light pulse is the light pulse signal of test use.
304, described checkout gear obtains the luminous power of the test light pulse of described reflector reflection, and described reflector is to the fiber distance of described first network equipment.
The luminous power of the test light pulse that 306, described checkout gear reflects according to described reflector, the luminous power of the test light pulse of described transmission, and described reflector is to the fiber distance of described first network equipment, obtains the K value factor of described second network equipment.
The described K value factor of obtaining described second network equipment specifically comprises:
Described checkout gear is the fiber distance to described first network equipment according to described reflector, and unit length fibre loss, calculates described reflector to the loss of the optical fiber of described first network equipment;
The luminous power of the test light pulse that described checkout gear reflects according to described reflector, the luminous power of the test light pulse of described transmission, and described reflector is to the loss of the optical fiber of described first network equipment, obtains the K value factor of described second network equipment.
308, described checkout gear, according to the described K value factor, is determined the device type of described second network equipment; Wherein, the K value factor of described second network equipment is corresponding one by one with the device type of described second network equipment.
On described checkout gear, set in advance the K value factor of each second network equipment and the device type of each second network equipment mapping table one to one.
Further, when described first network equipment is optical line terminal, described method also comprises:
Fiber distance according to the device type of described definite second network equipment and described reflector to described optical line terminal, determines described topology of networks.
Further, described checkout gear can also be determined the loss of each network branches in described network, and concrete grammar is as follows:
Described checkout gear is the fiber distance to described optical line terminal according to described reflector, and unit length fibre loss, calculates described reflector to the loss of the optical fiber of described optical line terminal;
Loss according to reflector described in each to the optical fiber of described optical line terminal, the quantity of described second network equipment, and the loss of second network equipment self described in each, the loss of calculating each network branches in described network.
Further, described method also comprises:
According to the described network topology structure of obtaining, the second network equipment in described network is carried out to malfunction monitoring.
Be specially: described checkout gear obtains the luminous power fiducial value that described reflector is corresponding;
Whether the fiducial value of the luminous power that the luminous power of the test light pulse of reflecting according to described reflector and described reflector are corresponding, detect described network and break down;
If described network breaks down, determine the position of guilty culprit.
The method of a kind of Sampling network device type that the embodiment of the present invention provides, sends test light pulse to described reflector by checkout gear, and wherein said each reflector has different reflectivity; Obtain the luminous power of the test light pulse of described reflector reflection, and described reflector is to the fiber distance of described first network equipment; According to the luminous power of the test light pulse of described reflector reflection, the luminous power of the test light pulse of described transmission, and described reflector is to the fiber distance of described first network equipment, obtains the K value factor of described second network equipment; According to the described K value factor, determine the device type of described second network equipment; Wherein, the K value factor of described second network equipment is corresponding one by one with the device type of described second network equipment.Solve the problem of the network topology structures such as manual input types of network equipment, realized and automatically and exactly determined the type of various network device in network, and then automatically determined whole topology of networks.
The embodiment of the present invention also provides a kind of concrete grammar of Sampling network device type, as shown in Figure 4, comprises the following steps:
Described network comprises: checkout gear and at least one reflector, and described checkout gear is arranged on first network equipment, and described at least one reflector and at least one second network equipment match, and wherein, described checkout gear is positioned at the front end of described reflector.
Wherein said checkout gear is arranged on described first network equipment and is specifically as follows: described checkout gear is integrated on first network equipment, also can be connected with described first network equipment, is arranged on the optical fiber with described first network equipment place.Described reflector and described second network equipment match and are specifically as follows: a reflector is set respectively on second network equipment described in each, described reflector can be connected with described second network equipment, be arranged on the branch optical fiber at described second network equipment place, also can be integrated in described second network equipment.
Described first network equipment can be the network equipments such as optical line terminal or optical splitter; Described second network equipment can be the network equipments such as optical splitter or optical network unit or Optical Network Terminal.Described checkout gear can be optical time domain reflectometer (0ptical Time Doma in Reflection, OTDR).
402, described checkout gear sends test light pulse to described reflector, and wherein said each reflector has different reflectivity.
Described reflector can be specific reflection ratio reflector (Specified Ratio Reflector, SRR), the reflector with specific reflection ratio, the reflection ratio of this reflector is relevant to described second network equipment, can preset, and the reflection ratio of described each reflector (being reflectivity) difference.
Described test light pulse is a kind of light pulse signal, and this light pulse signal is test-purpose, tests the light pulse of use.
404, described checkout gear obtains the luminous power of the test light pulse of described reflector reflection, and described reflector is to the fiber distance of described first network equipment.
Wherein, described reflector can be detected and be obtained by described checkout gear to the fiber distance of described first network equipment.
406, described checkout gear fiber distance and unit length fibre loss to described first network equipment according to described reflector, calculates described reflector to the loss of the optical fiber of described first network equipment.
Wherein said reflector to the loss of the optical fiber of described first network equipment can unit length fibre loss be arrived the product of the fiber distance of described first network equipment with described reflector.
408, described checkout gear is according to the luminous power of the test light pulse of described reflector reflection, the luminous power of the test light pulse of described transmission, and described reflector is to the loss of the optical fiber of described first network equipment, obtains the K value factor of described second network equipment.
The concrete K value factor be the power of the test light pulse returned of reverberation with respect to the ratio of the power of the test light pulse of checkout gear transmitting, specifically can: K=P
1/ (P
0-2*FL
1), wherein, described P
1the power of the test light pulse that the described reflector detecting for checkout gear returns; P
0for described checkout gear sends to the power of the test light pulse of described reflector; FL
1for the fibre loss (this fibre loss also can for reflector arrive the loss of checkout gear, because described checkout gear and first network equipment in the same side) of described reflector to first network equipment.Above-mentioned computing formula goes for the situation of described second network equipment while being one, if described second network equipment is at least two, in calculating K value, because of the loss that the period of the day from 11 p.m. to 1 a.m also needs to calculate this second network equipment self, in the example of concrete practical application below, can illustrate.
410, described checkout gear, according to the described K value factor, is determined the device type of described second network equipment; Wherein, the K value factor of described second network equipment is corresponding one by one with the device type of described second network equipment.
On described checkout gear, set in advance and stored the K value factor of each second network equipment and the device type of each second network equipment mapping table one to one, the unique device type of determining this second network equipment of the K value factor that this mapping table can obtain by calculating.
412,, when described first network equipment is optical line terminal, checkout gear arrives the fiber distance of described optical line terminal according to the device type of described definite second network equipment and described reflector, determine described topology of networks.
When described checkout gear is arranged on the local side apparatus such as optical line terminal or center C O equipment, can determining by above-mentioned K value, further determine the device type of each network equipment being connected with described optical line terminal, the length of quantity and each section of optical fiber, and then determine whole topology of networks.Each optical splitter being for example connected with described optical line terminal and the type of optical network unit, the topological structure of the whole passive optical network PON such as length of quantity and each section of optical fiber.
Further, after determining described topology of networks, can also determine the loss of each network branches in described network, concrete grammar is as follows:
Described checkout gear is the fiber distance to described optical line terminal according to described reflector, and unit length fibre loss, calculates described reflector to the loss of the optical fiber of described optical line terminal;
Loss according to reflector described in each to the optical fiber of described optical line terminal, the quantity of described second network equipment, and the loss of second network equipment self described in each, the loss of calculating each network branches in described network.
414, the network topology structure of obtaining described in checkout gear basis, monitors described network.
Be specially: described checkout gear obtains the luminous power fiducial value that described reflector is corresponding;
Whether the fiducial value of the luminous power that the luminous power of the test light pulse of reflecting according to described reflector and described reflector are corresponding, detect described network and break down;
If described network breaks down, the fiducial value of the luminous power that the luminous power of the test light pulse of reflecting according to described reflector and described reflector are corresponding compares, and accurately determines the position of guilty culprit.For example: if there is 1 optical splitter in network, on a described optical splitter, be provided with reflector, described checkout gear detects the luminous power that described reflector returns and reduces with respect to fiducial value, determines that the optical splitter at this reflector place breaks down.Can, by above-mentioned testing process, determine accurately the particular location breaking down in network.
Below by example, describe:
As shown in Figure 5, Fig. 5 is a kind of networking structure schematic diagram of Sampling network device type.
Described network is a kind of EPON (Passive Optical Network, PON), described network comprises optical line terminal (Optical Line Terminal, OLT), be arranged on the trunk optical fiber of optical distribution network (Optical Distribute Net, ODN) (the OLT is here equivalent to first network equipment) with described checkout gear; At least two optical splitters are set in described optical distribution network, and on a point and b point, each optical splitter mates a reflector respectively, and the reflector of specific reflection ratio of take is example, is respectively SRR1 and SRR2; Described user side equipment, respectively at c point and d point, also mates respectively reflector SRR3 and SRR4 on c point and d point.
If checkout gear need to be determined the device type of the optical splitter that a is ordered, described deterministic process is as follows:
In checkout gear, store in advance the one-to-one relationship of K value factor K a with the optical splitter of this branched power ratio of described a point optical splitter, can be according to calculating the unique unit type of determining this optical splitter of the Ka obtaining.
Described checkout gear sends test light pulse to described SRR1, and the power of the test light pulse of transmission is P; The power that detects the test light pulse that described SRR1 reflects is Pa, distance between described reflector and checkout gear is La, according to unit length fibre loss, obtain the fibre loss FLa between described reflector and checkout gear, described in FLa=unit length fibre loss *, the distance between reflector and checkout gear is La; The described K value factor is: K=Pa/ (P-2*FLa), and the K value factor of obtaining according to described calculating, inquires about the pre-stored K value factor on checkout equipment and the mapping table of device type, and the device type of knowing this optical splitter is the optical splitter of 1: 4.
If checkout gear need to be determined the device type of the optical splitter that d is ordered, deterministic process is as follows:
Described checkout gear sends test light pulse to described SRR4, and the power of the test light pulse of transmission is P, the power that detects the test light pulse that described SRR4 reflects is Pd, distance between described SRR4 reflector and checkout gear can be divided into several sections: first paragraph is that a point is to the fiber distance La of checkout gear, the distance L ab of the optical fiber that second segment a point is ordered to b, the 3rd section of fiber distance Lbd of ordering to d for b point, be: La+Lab+Lbd, the SRR2 that the distance of wherein said Lab can record according to checkout gear to the distance L b of checkout gear and the range difference of La or, in like manner, Lbd also can calculate acquisition (distance of described La can obtain by the OTDR equipment Inspection arranging in checkout gear).
According to unit length fibre loss, checkout gear can obtain d point to the fibre loss of each section of optical fiber on a point: FLa, FLab, FLbd; And according to the own loss SLb of the own loss SLa of described a point optical splitter and b point optical splitter, and reflector SRR1 and SRR2 reflect respectively the power to the test light pulse of checkout gear, by K value factor computing formula:
K＝Pd/【P-2*(FLa+SLa+Flab+SLb+FLbd+Pa+Pb)】
Calculate the K value factor of d point optical splitter, according to the corresponding relation of the device type of the K value factor of storage and described d point optical splitter, the optical splitter that the device type of determining described d point optical splitter is 1: 32.
Above-mentioned is an example of practical application, do not limit the formula with above-mentioned K value calculated factor, the reflection ratio of described SRR1, SRR2, SRR3 and SRR4 is all not identical, and the device type of this optical splitter of ordering with described a, b point optical splitter, c point optical splitter and d point optical splitter is relevant.Determining of types of network equipment by each node, just can know the device type of each network equipment in this network, and the length of each section of optical fiber, and then can know whole topology of networks, and then also can be easy to obtain the fibre loss situation of each network branches in network, this definite method is automatic acquisition topology of networks accurately and rapidly.
According to topology of networks, further can also carry out to this network the variation of further monitoring network topology, and described network failure is accurately located.For example, checkout gear is when the stable normal operation of business, test obtains the mean value of repeatedly luminous power of SRR1, SRR2, SRR3, SRR4 respectively: P ' a, P ' b, P ' c, P ' d are respectively as the fiducial value of SRR1, SRR2, SRR3, SRR4, regularly or as required trigger test, and contrast with described fiducial value, can detect the situation of change of each section of optical fiber:
If the optical power value that a is ordered is compared with P ' a, do not change, and the relative P ' b of the optical power value that b is ordered reduces, determine and know that b point breaks down; If it is identical that difference (Pa-Pb) and benchmark (P ' a-P ' b) are worth, but the optical power value that a is ordered reduces, and determines that local side apparatus is that OLT breaks down to a point optical fiber, this section of optical fiber that a point is ordered to b is no problem.
Above-mentionedly be judged as an example and describe, concrete judgment mode does not limit to and above-mentioned example, can also to described network, monitor according to the reflection ratio of the device type of each node device, reflector and each section of fiber lengths and loss etc. etc.
The method of a kind of definite types of network equipment that the embodiment of the present invention provides, sends test light pulse to described reflector by checkout gear, and wherein said each reflector has different reflectivity; Obtain the luminous power of the test light pulse of described reflector reflection, and described reflector is to the fiber distance of described first network equipment; According to the luminous power of the test light pulse of described reflector reflection, the luminous power of the test light pulse of described transmission, and described reflector is to the fiber distance of described first network equipment, obtains the K value factor of described second network equipment; According to the described K value factor, determine the device type of described second network equipment; Wherein, the K value factor of described second network equipment is corresponding one by one with the device type of described second network equipment.Solve the problem of the network topology structures such as manual input types of network equipment, realized and automatically and exactly determined the type of various network device in network, and then automatically determined whole topology of networks; When described network breaks down, can also accurately determine the particular location of the fault generation of network, improve the construction efficiency of network.
As shown in Figure 6, the embodiment of the present invention provides a kind of apparatus structure schematic diagram of Sampling network device type, described device is arranged on first network equipment, at least one second network equipment is connected with described first network equipment, described in each, on second network equipment, mate a reflector, wherein, described first network equipment is positioned at the front end of described second network equipment, and described device comprises:
The first transmitting element 602, for sending test light pulse to described reflector, wherein said each reflector has different reflectivity;
The first acquiring unit 604, for obtaining the luminous power of the test light pulse of described reflector reflection, and described reflector is to the fiber distance of described first network equipment;
Second acquisition unit 606, be used for according to the luminous power of the test light pulse of described reflector reflection, the luminous power of the test light pulse of described transmission, and described reflector is to the fiber distance of described first network equipment, obtains the K value factor of described second network equipment;
The first device type determining unit 608, for according to the described K value factor, determines the device type of described second network equipment; Wherein, the K value factor of described second network equipment is corresponding one by one with the device type of described second network equipment.
When described first network equipment is optical line terminal, described device also comprises:
Topological structure determining unit 610, for the fiber distance to described optical line terminal according to the device type of described definite second network equipment and described reflector, determines described topology of networks.
Described device also comprises:
Memory cell 612, is used for the K value factor of each second network equipment that sets in advance of storage and the device type of each second network equipment mapping table one to one.
Described the first acquiring unit 604 is also for the fiber distance to described first network equipment according to described reflector, and unit length fibre loss, calculates described reflector to the loss of the optical fiber of described first network equipment;
Described second acquisition unit 606, also for according to the luminous power of the test light pulse of described reflector reflection, the luminous power of the test light pulse of described transmission, and described reflector is to the loss of the optical fiber of described first network equipment, obtains the K value factor of described second network equipment.
Described device also comprises:
Network branches loss computing unit 614, for the fiber distance to described optical line terminal according to described reflector, and unit length fibre loss, calculate described reflector to the loss of the optical fiber of described optical line terminal; Loss according to reflector described in each to the optical fiber of described optical line terminal, the quantity of described second network equipment, and the loss of second network equipment self described in each, the loss of calculating each network branches in described network.
Described device also comprises:
Monitoring means 616, for the network topology structure of obtaining described in basis, carries out malfunction monitoring to the second network equipment in described network.
The device of a kind of Sampling network device type that the embodiment of the present invention provides, sends test light pulse to described reflector by checkout gear, and wherein said each reflector has different reflectivity; Obtain the luminous power of the test light pulse of described reflector reflection, and described reflector is to the fiber distance of described first network equipment; According to the luminous power of the test light pulse of described reflector reflection, the luminous power of the test light pulse of described transmission, and described reflector is to the fiber distance of described first network equipment, obtains the K value factor of described second network equipment; According to the described K value factor, determine the device type of described second network equipment; Wherein, the K value factor of described second network equipment is corresponding one by one with the device type of described second network equipment.Solve the problem of the network topology structures such as manual input types of network equipment, realized and automatically and exactly determined the type of various network device in network, and then automatically determined whole topology of networks; When described network breaks down, can also accurately determine the particular location of the fault generation of network, improve the construction efficiency of network.
The embodiment of the present invention provides a kind of system of Sampling network device type, and concrete system configuration schematic diagram can be referring to shown in above-mentioned Fig. 5.
Described system comprises: described checkout gear is arranged on first network equipment, and described at least one reflector and at least one second network equipment match, and wherein, described checkout gear is positioned at the front end of described reflector; Wherein,
Described checkout gear, for sending test light pulse to described reflector; Obtain the luminous power of the test light pulse of described reflector reflection, and described reflector is to the fiber distance of described first network equipment; According to the luminous power of the test light pulse of described reflector reflection, the luminous power of the test light pulse of described transmission, and described reflector is to the fiber distance of described first network equipment, obtains the K value factor of described second network equipment; According to the described K value factor, determine the device type of described second network equipment; Wherein, the K value factor of described second network equipment is corresponding one by one with the device type of described second network equipment;
Described reflector, for returning to the luminous power of the test light pulse of described reflection, wherein said each reflector has different reflectivity.
As shown in Figure 5, when described first network equipment is optical line terminal, described checkout gear also, for the fiber distance to described optical line terminal according to the device type of described definite second network equipment and described reflector, is determined described topology of networks.
Described checkout gear is also for storing the K value factor of each the second network equipment setting in advance and the device type of each second network equipment mapping table one to one.
For example, as shown in Figure 5, the optical splitter that described first network equipment also can be ordered for a, described second network equipment can be also b point optical splitter, on the optical splitter of now ordering at a, checkout gear is set, on b point optical splitter, reflector is set, the checkout gear of now orderring by a, according to the method for above-mentioned definite b point optical splitter, can accurately determine the device type of described b point optical splitter.
The system of a kind of Sampling network device type that the embodiment of the present invention also provides, described system comprises checkout gear and reflector, by checkout gear, sends test light pulse to described reflector, wherein said each reflector has different reflectivity; Obtain the luminous power of the test light pulse of described reflector reflection, and described reflector is to the fiber distance of described first network equipment; According to the luminous power of the test light pulse of described reflector reflection, the luminous power of the test light pulse of described transmission, and described reflector is to the fiber distance of described first network equipment, obtains the K value factor of described second network equipment; According to the described K value factor, determine the device type of described second network equipment; Wherein, the K value factor of described second network equipment is corresponding one by one with the device type of described second network equipment.Solve the problem of the network topology structures such as manual input types of network equipment, realized and automatically and exactly determined the type of various network device in network, and then automatically determined whole topology of networks; When described network breaks down, can also accurately determine the particular location of the fault generation of network, improve the construction efficiency of network.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential common hardware by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium can read, as the floppy disk of computer, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (16)
1. the method for types of network equipment in a Sampling network, it is characterized in that, described network comprises: checkout gear and at least one reflector, described checkout gear is arranged on first network equipment, described at least one reflector and at least one second network equipment match, wherein, described checkout gear is positioned at the front end of described reflector, and described method comprises:
Described checkout gear sends test light pulse to described reflector, and wherein described in each, reflector has different reflectivity;
Described checkout gear obtains the luminous power of the test light pulse of described reflector reflection, and described reflector is to the fiber distance of described first network equipment;
Described checkout gear is according to the luminous power of the test light pulse of described reflector reflection, the luminous power of the test light pulse of described transmission, and described reflector is to the fiber distance of described first network equipment, obtain the K value factor of described second network equipment, the described K value factor is the ratio of the power of the test light pulse that sends with respect to described checkout gear of the power of the test light pulse of described reflector reflection;
Described checkout gear, according to the described K value factor, is determined the device type of described second network equipment; Wherein, the K value factor of described second network equipment is corresponding one by one with the device type of described second network equipment.
2. the method for types of network equipment in Sampling network according to claim 1, is characterized in that, when described first network equipment is optical line terminal, described method also comprises:
Fiber distance according to the device type of described definite second network equipment and described reflector to described optical line terminal, determines described topology of networks.
3. according to the method for types of network equipment in claim 1 or Sampling network claimed in claim 2, it is characterized in that, on described checkout gear, set in advance the K value factor of each second network equipment and the device type of each second network equipment mapping table one to one.
4. according to the method for types of network equipment in the Sampling network described in claim 1 or 2, it is characterized in that, described in obtain described second network equipment the K value factor comprise:
Described checkout gear is the fiber distance to described first network equipment according to described reflector, and unit length fibre loss, calculates described reflector to the loss of the optical fiber of described first network equipment;
The luminous power of the test light pulse that described checkout gear reflects according to described reflector, the luminous power of the test light pulse of described transmission, and described reflector is to the loss of the optical fiber of described first network equipment, obtains the K value factor of described second network equipment.
5. the method for types of network equipment in Sampling network according to claim 2, is characterized in that, described method also comprises:
Described checkout gear is the fiber distance to described optical line terminal according to described reflector, and unit length fibre loss, calculates described reflector to the loss of the optical fiber of described optical line terminal;
Loss according to reflector described in each to the optical fiber of described optical line terminal, the quantity of described second network equipment, and the loss of second network equipment self described in each, the loss of calculating each network branches in described network.
6. the method for types of network equipment in Sampling network according to claim 2, is characterized in that, described method also comprises:
According to the described network topology structure of obtaining, the second network equipment in described network is carried out to malfunction monitoring.
7. the method for types of network equipment in Sampling network according to claim 2, is characterized in that, described method also comprises:
Described checkout gear obtains the luminous power fiducial value that described reflector is corresponding;
Whether the fiducial value of the luminous power that the luminous power of the test light pulse of reflecting according to described reflector and described reflector are corresponding, detect described network and break down;
If described network breaks down, determine the position of guilty culprit.
8. the device of types of network equipment in a Sampling network, it is characterized in that, described device is arranged on first network equipment, at least one second network equipment is connected with described first network equipment, described in each, on second network equipment, mate a reflector, wherein, described first network equipment is positioned at the front end of described second network equipment, and described device comprises:
The first transmitting element, for sending test light pulse to described reflector, wherein described in each, reflector has different reflectivity;
The first acquiring unit, for obtaining the luminous power of the test light pulse of described reflector reflection, and described reflector is to the fiber distance of described first network equipment;
Second acquisition unit, be used for according to the luminous power of the test light pulse of described reflector reflection, the luminous power of the test light pulse of described transmission, and described reflector is to the fiber distance of described first network equipment, obtain the K value factor of described second network equipment, the described K value factor is the ratio of the power of the test light pulse that sends with respect to described the first transmitting element of the power of the test light pulse of described reflector reflection;
The first device type determining unit, for according to the described K value factor, determines the device type of described second network equipment; Wherein, the K value factor of described second network equipment is corresponding one by one with the device type of described second network equipment.
9. device according to claim 8, is characterized in that, when described first network equipment is optical line terminal, described device also comprises:
Topological structure determining unit, for the fiber distance to described optical line terminal according to the device type of described definite second network equipment and described reflector, determines described topology of networks.
10. the device according to Claim 8 or described in 9, is characterized in that, described device also comprises:
Memory cell, is used for the K value factor of each second network equipment that sets in advance of storage and the device type of each second network equipment mapping table one to one.
11. devices according to Claim 8 or described in 9, it is characterized in that, described the first acquiring unit is also for the fiber distance to described first network equipment according to described reflector, and unit length fibre loss, calculates described reflector to the loss of the optical fiber of described first network equipment;
Described second acquisition unit, also for according to the luminous power of the test light pulse of described reflector reflection, the luminous power of the test light pulse of described transmission, and described reflector is to the loss of the optical fiber of described first network equipment, obtains the K value factor of described second network equipment.
12. devices according to claim 9, is characterized in that, described device also comprises:
Network branches loss computing unit, for the fiber distance to described optical line terminal according to described reflector, and unit length fibre loss, calculate described reflector to the loss of the optical fiber of described optical line terminal; Loss according to reflector described in each to the optical fiber of described optical line terminal, the quantity of described second network equipment, and the loss of second network equipment self described in each, the loss of calculating each network branches in described network.
13. devices according to claim 9, is characterized in that, described device also comprises:
Monitoring means, for the network topology structure of obtaining described in basis, carries out malfunction monitoring to the second network equipment in described network.
The system of types of network equipment in 14. 1 kinds of Sampling networks, it is characterized in that, described system comprises: checkout gear, at least one reflector, first network equipment and at least one second network equipment, described checkout gear is arranged on first network equipment, described at least one reflector and at least one second network equipment match, wherein, described checkout gear is positioned at the front end of described reflector; Wherein,
Described checkout gear, for sending test light pulse to described reflector; Obtain the luminous power of the test light pulse of described reflector reflection, and described reflector is to the fiber distance of described first network equipment; According to the luminous power of the test light pulse of described reflector reflection, the luminous power of the test light pulse of described transmission, and described reflector is to the fiber distance of described first network equipment, obtains the K value factor of described second network equipment; According to the described K value factor, determine the device type of described second network equipment; Wherein, the K value factor of described second network equipment is corresponding one by one with the device type of described second network equipment, and the described K value factor is the ratio of the power of the test light pulse that sends with respect to described checkout gear of the power of the test light pulse of described reflector reflection;
Described reflector, for returning to the luminous power of the test light pulse of described reflection, wherein described in each, reflector has different reflectivity.
15. systems according to claim 14, it is characterized in that, when described first network equipment is optical line terminal, described checkout gear also, for the fiber distance to described optical line terminal according to the device type of described definite second network equipment and described reflector, is determined described topology of networks.
16. according to the system described in claim 14 or 15, it is characterized in that, described checkout gear is also for storing the K value factor of each the second network equipment setting in advance and the device type of each second network equipment mapping table one to one.
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| PCT/CN2011/073943 WO2011124169A2 (en) | 2011-05-11 | 2011-05-11 | Method, apparatus and system for detecting type of network equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016184228A1 (en) * | 2015-05-21 | 2016-11-24 | 中兴通讯股份有限公司 | Method and device for deploying optical network topological graph |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723989A (en) * | 2012-07-04 | 2012-10-10 | 慈溪市供电局 | Grading warning method and grading warning device for optical cable problems |
| CN104426603A (en) | 2013-08-30 | 2015-03-18 | 华为技术有限公司 | Optical network detection method, optical network detection device, optical network detection equipment, optical network detection system and optical splitter |
| CN104158583A (en) * | 2014-07-22 | 2014-11-19 | 国家电网公司 | Optical cable fault positioning and alarming system |
| CN105991187B (en) * | 2015-02-09 | 2018-09-07 | 中国移动通信集团广东有限公司 | A kind of method, apparatus and optical line terminal of optical splitter environmental monitoring |
| CN107465451A (en) * | 2016-06-02 | 2017-12-12 | 中兴通讯股份有限公司 | The healthy storehouse update method and device of a kind of optical time domain reflectometer |
| CN110661569B (en) * | 2018-06-28 | 2022-08-02 | 中兴通讯股份有限公司 | Method, device and storage medium for optical fiber fault location |
| CN113099326A (en) * | 2018-08-15 | 2021-07-09 | 华为技术有限公司 | Method, device, equipment and storage medium for acquiring logic topology information of ODN (optical distribution network) |
| CN111836134B (en) * | 2019-04-17 | 2021-11-19 | 华为技术有限公司 | Method, device, equipment and storage medium for acquiring network topology information |
| CN111397848A (en) * | 2020-03-26 | 2020-07-10 | 吉林大学第一医院 | Medical optical fiber detection method for disinfection supply center |
| CN115514412A (en) * | 2021-06-22 | 2022-12-23 | 中兴通讯股份有限公司 | Optical fiber testing system, method, electronic device and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1271822A2 (en) * | 2001-06-18 | 2003-01-02 | Lightscape Networks Ltd. | Failure determination in an optical communication network |
| CN101043272A (en) * | 2006-06-08 | 2007-09-26 | 华为技术有限公司 | System and method for detecting optical fiber wiring troubles |
| CN101296039A (en) * | 2007-04-28 | 2008-10-29 | 英保达股份有限公司 | Optical fiber link monitoring system and method for passive optical fiber network |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1744486B1 (en) * | 2005-07-12 | 2007-11-14 | Alcatel Lucent | Simplified remote interface device and method for determining a failure at an optical fiber link terminated with a remote interface device |
| CN101296040A (en) * | 2007-04-25 | 2008-10-29 | 英保达股份有限公司 | Optical fiber link monitoring method and device of passive optical fiber network |
| CN102118658B (en) * | 2009-12-31 | 2014-02-19 | 华为技术有限公司 | Method and device for port identification of light splitter |
| CN101924962B (en) * | 2010-08-25 | 2015-06-10 | 中兴通讯股份有限公司 | System and method thereof for detecting fiber faults |
| CN101984561B (en) * | 2010-11-15 | 2014-09-10 | 中兴通讯股份有限公司 | System and method for detecting optical fiber faults of passive optical network |
-
2011
- 2011-05-11 CN CN201180000578.1A patent/CN102204127B/en active Active
- 2011-05-11 WO PCT/CN2011/073943 patent/WO2011124169A2/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1271822A2 (en) * | 2001-06-18 | 2003-01-02 | Lightscape Networks Ltd. | Failure determination in an optical communication network |
| CN101043272A (en) * | 2006-06-08 | 2007-09-26 | 华为技术有限公司 | System and method for detecting optical fiber wiring troubles |
| CN101296039A (en) * | 2007-04-28 | 2008-10-29 | 英保达股份有限公司 | Optical fiber link monitoring system and method for passive optical fiber network |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016184228A1 (en) * | 2015-05-21 | 2016-11-24 | 中兴通讯股份有限公司 | Method and device for deploying optical network topological graph |
| CN106301830A (en) * | 2015-05-21 | 2017-01-04 | 中兴通讯股份有限公司 | The dispositions method of optical-fiber network topological diagram and device |
| CN106301830B (en) * | 2015-05-21 | 2020-07-14 | 中兴通讯股份有限公司 | Method and device for deploying optical network topological graph |
Also Published As
| Publication number | Publication date |
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| CN102204127A (en) | 2011-09-28 |
| WO2011124169A2 (en) | 2011-10-13 |
| WO2011124169A3 (en) | 2012-04-12 |
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