CN109495178B - Method and device for constructing FTTx network topology link - Google Patents
Method and device for constructing FTTx network topology link Download PDFInfo
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- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
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- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
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Abstract
The application discloses a method and a device for constructing an FTTx network topological link, relates to the technical field of electric communication, and aims to solve the problem that a correct topological link result cannot be obtained. The method mainly comprises the following steps: acquiring equipment parameters of initial network equipment in the FTTx network; sequentially selecting optical amplifiers in the initial network equipment; setting the output power of the optical amplifier to a first adjusted output power; acquiring a first adjustment input power of initial network equipment; searching for a first alternative lower-level network device of the optical amplifier; setting the output power of the optical amplifier as the initial output power; acquiring first recovery input power of a first alternative lower-level network device; searching for a first determined lower-level network device of the optical amplifier; establishing a corresponding relation table of the optical amplifier and the first determined lower-level network equipment; and constructing a topological link of the FTTx network according to the corresponding relation table of all the optical amplifiers. The method and the device are mainly applied to the process of constructing the FTTx network topology link.
Description
Technical Field
The present application relates to the field of electrical communication technologies, and in particular, to a method and an apparatus for constructing an FTTx network topology link.
Background
The structure of the FTTx network is clear and usually consists of two parts, namely a backbone network and a distribution network. The backbone network is an important component of the FTTx network, and different topological structures are designed according to factors such as customer scheme selection, field environment and the like. Generally, the number of network devices of a backbone network in a machine room is 3 to 10, the number is not large, and the difficulty in obtaining a topology link is not large. In the distribution network, the number of network devices is rapidly increased, signals of a backbone network are changed into dozens of paths of signals by a multi-stage optical amplifier and an optical splitter and are respectively transmitted to each cell, and then the signals are converted into electric signals by an optical receiver in each cell and are transmitted to each household.
And the network management system is used for managing the network equipment in the backbone network and the distribution network, and monitoring and adjusting the parameters of the network equipment. In the FTTx network, a huge number of optical amplifiers and optical receivers need to be connected to the output end of the backbone network, and the topology link structure of the optical amplifiers and optical receivers is difficult to know. With the construction of FTTx networks, the number of network devices is rapidly increasing, and when a network management system is used to manage network devices, the link topology structure to be input is more and more complex, the difficulty of maintaining link topology data is gradually increased, and a correct topology link structure cannot be obtained. Resulting in an inability to quickly locate the source of the failure if the FTTx network fails.
Disclosure of Invention
The application provides a method and a device for constructing an FTTx network topological link, which are used for solving the problem of constructing a correct topological link.
In a first aspect, the present application provides a method for constructing an FTTx network topology link, where the method includes: acquiring device parameters of initial network equipment in an FTTx network, wherein the device parameters comprise a device type, initial output power and initial input power; sequentially selecting an optical amplifier in the initial network equipment and the initial output power of the optical amplifier according to the equipment type; setting the output power of the optical amplifier as a first adjusted output power according to a first preset adjustment deviation, wherein the first adjusted output power is the sum of the first preset adjustment deviation and the initial output power; acquiring a first adjustment input power of the initial network equipment; searching for a first candidate lower-level network device of the optical amplifier, where the first candidate lower-level network device is the initial network device whose difference between the first adjusted input power and the initial input power is equal to the first preset adjustment deviation; setting the output power of the optical amplifier to the initial output power; acquiring first recovery input power of the first alternative lower-level network device; searching for a first determined subordinate network device of the optical amplifier, the first determined subordinate network device being the first candidate subordinate network device having the first recovered input power equal to the initial input power; establishing a corresponding relation table of the optical amplifier and the first determined lower-level network equipment; and constructing a topology link of the FTTx network according to the corresponding relation table of all the optical amplifiers in the initial network equipment. By adopting the implementation mode, the initial network equipment which changes correspondingly to the optical amplifier, namely the first determined lower-level network equipment of the optical amplifier is searched by adjusting and recovering the output power of the optical amplifier. Compared with the prior art, the method and the device can automatically identify the topological link of the initial network device, can ensure the correctness of the topological link, and avoid the problems of huge workload and high error rate of new topological link entry caused by the expansion of the FTTx network.
With reference to the first aspect, in a first possible implementation manner of the first aspect, the device parameter further includes a device number; the sequentially selecting the optical amplifier in the initial network device and the initial output power of the optical amplifier according to the device type includes: screening the optical amplifier in the initial network equipment according to the equipment type; generating a serial number list of the equipment numbers of the optical amplifiers according to a preset arrangement rule; and sequentially selecting the optical amplifier and the initial output power of the optical amplifier according to the serial number list. By adopting the implementation mode, the optical amplifiers in the initial network equipment can be ensured to be selected one by one without omission.
With reference to the first aspect, in a second possible implementation manner of the first aspect, the device parameter further includes an internet protocol IP address; the sequentially selecting the optical amplifier in the initial network device and the initial output power of the optical amplifier according to the device type includes: screening the optical amplifier in the initial network equipment according to the equipment type; generating an address list of the IP addresses of the optical amplifiers according to a preset arrangement rule; and sequentially selecting the optical amplifier and the initial output power of the optical amplifier according to the address list. By adopting the implementation mode, the optical amplifiers in the initial network equipment can be ensured to be selected one by one without omission.
With reference to the first aspect, in a third possible implementation manner of the first aspect, after the searching for the first determined lower-level network device of the optical amplifier, the method further includes: setting the output power of the optical amplifier as a second adjusted output power according to a second preset adjustment deviation, wherein the second adjusted output power is the sum of the second preset adjustment deviation and the initial output power; acquiring a second adjustment input power of the initial network equipment; searching for a second alternative lower-level network device of the optical amplifier, where the second alternative lower-level network device is the initial network device whose difference between the second adjusted input power and the initial input power is equal to the second preset adjustment deviation; setting the output power of the optical amplifier to the initial output power; acquiring a second recovery input power of the second alternative lower-level network device; searching for a second determined subordinate network device of the optical amplifier, the second determined subordinate network device being the second candidate subordinate network device having the second restoration input power equal to the initial input power; calculating an intersection of the first determined lower level network device and the second determined lower level network device; the establishing a corresponding relation table between the optical amplifier and the first determined lower-level network device includes: and establishing a comparison relation table of the optical amplifier and the calculation result. By adopting the implementation mode, the accuracy of the lower-level network equipment corresponding to the calculated optical amplifier is increased by searching the first determined lower-level network equipment and the second determined lower-level network equipment and calculating the intersection of the first determined lower-level network equipment and the second determined lower-level network equipment.
With reference to the first aspect, in a fourth possible implementation manner of the first aspect, after the constructing a topology link of the FTTx network, the method further includes: marking identification information of the optical amplifier in the topological link, wherein the identification information is position information of the optical amplifier. By adopting the implementation mode, convenience is provided for the management of the initial network equipment and the subsequent maintenance of the initial network equipment.
In a second aspect, the present application also provides an apparatus for constructing an FTTx network topology link, where the apparatus includes means for performing the method steps in various implementations of the first aspect.
In a third aspect, the present application further provides a terminal, including: a processor, a memory, and a communication bus; the processor may execute the program or instructions stored in the memory, thereby implementing the method for constructing the FTTx network topology link in the various implementations of the first aspect.
In a fourth aspect, the present application further provides a storage medium, where the storage medium may store a program, and the program may implement, when executed, some or all of the steps in the embodiments of the method for constructing an FTTx network topology link provided in the present application.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a flowchart of a method for constructing an FTTx network topology link according to the present application;
fig. 2 is a flowchart of a method for selecting an optical amplifier in an initial network device according to the present application;
fig. 3 is a flow chart of another method for selecting an optical amplifier in an initial network device according to the present application;
fig. 4 is a flowchart of another method for constructing FTTx network topology links provided in the present application;
fig. 5 is a flowchart of a method for constructing a topology link of an FTTx network according to the present application;
fig. 6 is a block diagram illustrating a device for constructing an FTTx network topology link according to the present application;
FIG. 7 is a block diagram illustrating a selection unit according to the present disclosure;
fig. 8 is a block diagram of an apparatus for constructing an alternative FTTx network topology link according to the present application;
fig. 9 is a block diagram of another FTTx network topology link construction device provided in the present application.
Detailed Description
In an FTTx network, an optical amplifier and an optical receiver are included. An optical amplifier is a product that can amplify optical signals in an optical fiber communication system. The principle of an optical amplifier is basically based on stimulated emission of laser light, and amplification is achieved by converting the energy of pump light into the energy of signal light. After the optical signal is transmitted, the signal amplitude is attenuated, the signal pulse waveform is widened, and the optical receiver is used for detecting the transmitted weak optical signal, amplifying, shaping and regenerating the original transmission signal. The original transmission signal is generated to recover the information carried by the optical carrier with minimum additional noise and distortion. Both the optical amplifier and the optical receiver are capable of performing automatic power control and output power adjustment functions.
And the network management system monitors the network equipment in the FTTx network and adjusts the configuration parameters of the network equipment so as to ensure the normal operation of the whole network. And the network management system executes the construction method of the FTTx network topology link provided by the application so as to judge a network fault point and maintain network operation.
Referring to fig. 1, a flowchart of a method for constructing an FTTx network topology link is provided. As shown in fig. 1, the method includes:
FTTx networks are a new generation of fiber optic subscriber access networks for connecting telecommunications carriers and end users. The terminal of the optical fiber access network comprises a user, a station, a cell, a node and a family. In FTTx networks, optical signals are efficiently processed by the originating network equipment to ensure that the optical signals can be transmitted to the terminals. The initial network device includes an optical amplifier and an optical receiver. Here, "initial" refers to a network device acquired before construction, and is a limitation on the timing of acquiring the network device. In FTTx networks, a common network communication protocol is applied. And acquiring the equipment parameters of the initial network equipment according to the protocol rule. The device parameters include a device type, an initial output power, and an initial input power, to distinguish different initial network devices by device type. The specific identifier of the device type changes according to the change of the identifier of the selected device. Each initial network device has a corresponding initial output power and initial input power.
Topological links, covering all the initial network devices. The initial network device includes an optical amplifier and an optical receiver. The optical amplifier is used to amplify the optical signal so that other network devices are connected after the optical amplifier in the FTTx network. The optical receiver is used to convert the optical signal so the end devices are connected after the optical receiver in the FTTx network. In the application, the next-level network device connected with the network device is sequentially searched, so that the FTTx network topology link is constructed. Therefore, the construction of the FTTx network topology link can be realized only by selecting the optical amplifier in the initial network equipment and searching the next-stage network equipment of the optical amplifier. The method can reduce the query data volume and meet the basic data requirement for constructing the topological link of the FTTx network. The initial output power of the optical amplifier is an important parameter for subsequent processing.
The first preset adjustment deviation is adjusted temporarily for constructing a topology link, and may be a positive number or a negative number, which is not limited in this embodiment of the application. The first adjusted output power is the sum of the first preset adjusted deviation and the initial output power. The output power of the optical amplifier is set by the network management system, and the optical amplifier automatically adjusts the output power according to the setting of the network management system.
After the execution of step 103 is completed, a first adjusted input power of the initial network device is obtained after a preset time interval. Different optical amplifier output powers are set, and the input power of the network equipment behind the amplifier correspondingly changes.
The first alternative secondary network device is an initial network device having a difference between the first adjusted input power and the initial input power equal to the first preset adjustment offset. The first alternative further network device is closer than the optical amplifier to the terminal signal transmission distance.
And 106, setting the output power of the optical amplifier as the initial output power.
And setting the output power of the optical amplifier again, and setting the output power of the optical amplifier as the initial output power.
The first recovery input power of the first alternative lower-level network device is obtained instead of the first recovery input power of the initial network device, so that the data processing amount is reduced, and the processing efficiency is improved.
The first determined secondary network device is a first alternative secondary network device having a first recovered input power equal to the initial input power. If the first recovered input power is equal to the initial input power, it means that the first determined downstream network device changes from the optical amplifier to the same, and is connected directly without passing through other network device methods or converting the optical signal.
The number of the first determination lower-level network devices may be one or more. And storing the mapping relation between the optical amplifier and the first determined lower-level network equipment by using the comparison relation table.
The optical amplifiers in all the initial network devices are sequentially obtained according to step 102, so that the corresponding relation table of all the optical amplifiers is sequentially established in step 109. And constructing a topological link of the FTTx network according to the corresponding relation table of the optical amplifier. The link topology may be stored in the form of a data table or a graph, which is not limited in the embodiment of the present invention.
By adopting the implementation mode, the initial network equipment which changes correspondingly to the optical amplifier, namely the first determined lower-level network equipment of the optical amplifier is searched by adjusting and recovering the output power of the optical amplifier. Compared with the prior art, the method and the device can automatically identify the topological link of the initial network device, can ensure the correctness of the topological link, and avoid the problems of huge workload and high error rate of new topological link entry caused by the expansion of the FTTx network.
Referring to fig. 2, a flow chart of a method for selecting an optical amplifier in an initial network device is provided. On the basis of the method shown in fig. 1, if the device parameter further includes a device number, as shown in fig. 2, the method includes the following steps:
The device type, which is a device parameter, identifies the type of the initial network device, and is inherent to the initial network device.
The device number is a number that characterizes a particular optical amplifier. The preset arrangement rule may be a random arrangement, may be an arrangement according to a letter number, and may be an arrangement of a numerical value, and the arrangement rule is not limited in the embodiment of the present invention.
And sequentially selecting the optical amplifiers according to the serial number list, so as to avoid that a complete topological link cannot be constructed due to selection omission.
Referring to fig. 3, a flow chart of another method for selecting an optical amplifier in an initial network device is provided. On the basis of the method shown in fig. 1, if the device parameters further include an internet protocol IP address, as shown in fig. 3, the method includes the following steps:
And sequentially selecting the optical amplifiers according to the address list to avoid that a complete topological link cannot be constructed due to selection omission.
Referring to fig. 4, a flow chart of another method for constructing FTTx network topology links is provided. After finding the first determined further network device of the optical amplifier on the basis of the method shown in fig. 1, as shown in fig. 4. The method further comprises the following steps:
The second adjusted output power is the sum of the second preset adjusted deviation and the initial output power.
In step 403, a second alternative lower-level network device of the optical amplifier is searched.
The second alternative lower-level network device is an initial network device with the second adjusted input power equal to the second adjusted output power;
in step 404, the output power of the optical amplifier is set to the initial output power.
In step 406, a second determined lower-level network device of the optical amplifier is located.
The second determined lower-level network device is a second alternative lower-level network device with the second recovery input power equal to the initial output power;
The steps 401 to 406 are basically the same as the steps 103 to 108 shown in fig. 1, and two sets of steps are basically the same, so that the first determined lower-level network device and the second determined lower-level network device are obtained respectively. To further ensure the accuracy of the determined lower level network, the intersection of the first determined lower level network device and the second determined lower level network device is calculated.
In order to accommodate the increase in method steps, step 109 shown in fig. 1 establishes a table of correspondence between the optical amplifiers and the first determined lower-level network devices, including:
The calculation result refers to a result of calculating an intersection. And determining the calculation result as the final lower-level network equipment of the optical amplifier, and establishing a comparison relation table of the optical amplifier and the calculation result.
Referring to fig. 5, a flowchart of a method for constructing a topology link of an FTTx network is provided. On the basis of the method shown in fig. 1, after the topology link of the FTTx network is constructed, as shown in fig. 5, the method further includes:
The identification information is position information of the optical amplifier. The purpose of establishing the topological link is to facilitate maintenance and search for the fault position of the FTTx network, and the position signal is used as identification information of the optical amplifier, so that the fault position can be quickly located.
Referring to fig. 6, as a specific implementation of the method shown in fig. 1, a block diagram is formed for a device for constructing an FTTx network topology link according to the present application. As shown in fig. 6, the apparatus includes:
a first obtaining unit 61, configured to obtain a device parameter of an initial network device in an FTTx network, where the device parameter includes a device type;
a selecting unit 62, configured to sequentially select an optical amplifier in the initial network device and an initial output power of the optical amplifier according to the device type;
a setting unit 63, configured to set the output power of the optical amplifier to a first adjusted output power according to the first preset adjustment deviation, where the first adjusted output power is a sum of the first preset adjustment deviation and the initial output power;
a second obtaining unit 64, configured to obtain a first adjusted input power of the initial network device;
a searching unit 65, configured to search for a first alternative lower-level network device of the optical amplifier, where the first alternative lower-level network device is an initial network device with a first adjusted input power equal to a first adjusted output power;
a setting unit 63, further configured to set the output power of the optical amplifier to an initial output power;
a second obtaining unit 64, configured to obtain a first recovered input power of the first candidate lower-level network device;
a searching unit 65, further configured to search for a first determined lower-level network device of the optical amplifier, where the first determined lower-level network device is a first candidate lower-level network device with a first recovered input power equal to the initial output power;
an establishing unit 66, configured to establish a correspondence table between the optical amplifier and the first determined lower-level network device;
the constructing unit 67 is configured to construct a topology link of the FTTx network according to the correspondence table of all optical amplifiers in the initial network device.
Further, as a specific implementation of the method shown in fig. 2, refer to fig. 7, which is a block diagram of a selecting unit provided in the present application. The device parameters also include a device number;
as shown in fig. 7, the selecting unit 62 includes:
a screening module 621, configured to screen an optical amplifier in the initial network device according to the device type;
a generating module 622, configured to generate a serial number list of device numbers of the optical amplifiers according to a preset arrangement rule;
and a selecting module 623, configured to sequentially select the optical amplifiers and the initial output powers of the optical amplifiers according to the serial number list.
Further, the device parameters also include internet protocol, IP, addresses;
a selecting unit 62, comprising:
the screening module 621 is further configured to screen the optical amplifier in the initial network device according to the device type;
the generating module 622 is further configured to generate an address list of the IP addresses of the optical amplifiers according to a preset arrangement rule;
the selecting module 623 is further configured to sequentially select the optical amplifiers and the initial output powers of the optical amplifiers according to the address list.
Further, as a specific implementation of the method in fig. 4, referring to fig. 8, a block diagram is formed for a construction apparatus of another FTTx network topology link provided in the present application. As shown in fig. 8, the apparatus further includes:
the setting unit 63 is further configured to, after searching for the first determined lower-level network device of the optical amplifier, set the output power of the optical amplifier to be a second adjusted output power according to the second preset adjustment deviation, where the second adjusted output power is a sum of the second preset adjustment deviation and the initial output power;
a second obtaining unit 64, configured to obtain a second adjusted input power of the initial network device;
the searching unit 65 is further configured to search for a second alternative lower-level network device of the optical amplifier, where the second alternative lower-level network device is an initial network device with a second adjusted input power equal to a second adjusted output power;
a setting unit 63, further configured to set the output power of the optical amplifier to an initial output power;
a second obtaining unit 64, configured to obtain a second recovered input power of a second candidate lower-level network device;
a searching unit 65, further configured to search for a second determined lower-level network device of the optical amplifier, where the second determined lower-level network device is a second candidate lower-level network device with a second recovered input power equal to the initial output power;
a calculation unit 68 for calculating an intersection of the first determined lower network device and the second determined lower network device;
the establishing unit 66 is further configured to:
and establishing a comparison relation table of the optical amplifier and the calculation result.
Further, as a specific implementation of the method in fig. 5, referring to fig. 9, a block diagram is formed for a construction apparatus of another FTTx network topology link provided in the present application. As shown in fig. 9, the apparatus further includes:
and a marking unit 69, configured to mark identification information of the optical amplifier in the topology link after the topology link of the FTTx network is constructed, where the identification information is position information of the optical amplifier.
By adopting the implementation mode, the initial network equipment which changes correspondingly to the optical amplifier, namely the first determined lower-level network equipment of the optical amplifier is searched by adjusting and recovering the output power of the optical amplifier. Compared with the prior art, the method and the device can automatically identify the topological link of the initial network device, can ensure the correctness of the topological link, and avoid the problems of huge workload and high error rate of new topological link entry caused by the expansion of the FTTx network.
In a specific implementation, the present invention further provides a computer storage medium, where the computer storage medium may store a program, and the program may include some or all of the steps in the embodiments of the calling method provided by the present invention when executed. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM) or a Random Access Memory (RAM).
Those skilled in the art will readily appreciate that the techniques of the embodiments of the present invention may be implemented as software plus a required general purpose hardware platform. Based on such understanding, the technical solutions in the embodiments of the present invention may be essentially or partially implemented in the form of a software product, which may be stored in a storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments.
The same and similar parts in the various embodiments in this specification may be referred to each other. In particular, as for the apparatus embodiment, since it is substantially similar to the method embodiment, the description is simple, and the relevant points can be referred to the description in the method embodiment.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention.
Claims (10)
1. A method for constructing an FTTx network topology link, the method comprising:
acquiring device parameters of initial network equipment in an FTTx network, wherein the device parameters comprise a device type, initial output power and initial input power;
sequentially selecting an optical amplifier in the initial network equipment and the initial output power of the optical amplifier according to the equipment type;
setting the output power of the optical amplifier as a first adjusted output power according to a first preset adjustment deviation, wherein the first adjusted output power is the sum of the first preset adjustment deviation and the initial output power;
acquiring a first adjustment input power of the initial network equipment;
searching for a first candidate lower-level network device of the optical amplifier, where the first candidate lower-level network device is the initial network device whose difference between the first adjusted input power and the initial input power is equal to the first preset adjustment deviation;
setting the output power of the optical amplifier to the initial output power;
acquiring first recovery input power of the first alternative lower-level network device;
searching for a first determined subordinate network device of the optical amplifier, the first determined subordinate network device being the first candidate subordinate network device having the first recovered input power equal to the initial input power;
establishing a corresponding relation table of the optical amplifier and the first determined lower-level network equipment;
and constructing a topology link of the FTTx network according to the corresponding relation table of all the optical amplifiers in the initial network equipment.
2. The method of claim 1, wherein the device parameters further include a device number;
the sequentially selecting the optical amplifier in the initial network device and the initial output power of the optical amplifier according to the device type includes:
screening the optical amplifier in the initial network equipment according to the equipment type;
generating a serial number list of the equipment numbers of the optical amplifiers according to a preset arrangement rule;
and sequentially selecting the optical amplifier and the initial output power of the optical amplifier according to the serial number list.
3. The method of claim 1, wherein the device parameters further include an internet protocol, IP, address;
the sequentially selecting the optical amplifier in the initial network device and the initial output power of the optical amplifier according to the device type includes:
screening the optical amplifier in the initial network equipment according to the equipment type;
generating an address list of the IP addresses of the optical amplifiers according to a preset arrangement rule;
and sequentially selecting the optical amplifier and the initial output power of the optical amplifier according to the address list.
4. The method of claim 1, wherein after the locating the first determined downstream network device of the optical amplifier, the method further comprises:
setting the output power of the optical amplifier as a second adjusted output power according to a second preset adjustment deviation, wherein the second adjusted output power is the sum of the second preset adjustment deviation and the initial output power;
acquiring a second adjustment input power of the initial network equipment;
searching for a second alternative lower-level network device of the optical amplifier, where the second alternative lower-level network device is the initial network device whose difference between the second adjusted input power and the initial input power is equal to the second preset adjustment deviation;
setting the output power of the optical amplifier to the initial output power;
acquiring a second recovery input power of the second alternative lower-level network device;
searching for a second determined subordinate network device of the optical amplifier, the second determined subordinate network device being the second candidate subordinate network device having the second restoration input power equal to the initial input power;
calculating an intersection of the first determined lower level network device and the second determined lower level network device;
the establishing a corresponding relation table between the optical amplifier and the first determined lower-level network device includes:
and establishing a comparison relation table of the optical amplifier and the calculation result.
5. The method of claim 1, wherein after the constructing the topological links for the FTTx network, the method further comprises:
marking identification information of the optical amplifier in the topological link, wherein the identification information is position information of the optical amplifier.
6. An apparatus for constructing FTTx network topology links, the apparatus comprising:
a first obtaining unit, configured to obtain device parameters of an initial network device in an FTTx network, where the device parameters include a device type, an initial output power, and an initial input power;
a selecting unit, configured to sequentially select an optical amplifier in the initial network device and an initial output power of the optical amplifier according to the device type;
a setting unit, configured to set an output power of the optical amplifier to a first adjusted output power according to a first preset adjustment deviation, where the first adjusted output power is a sum of the first preset adjustment deviation and the initial output power;
a second obtaining unit, configured to obtain a first adjusted input power of the initial network device;
a searching unit, configured to search for a first candidate lower-level network device of the optical amplifier, where the first candidate lower-level network device is the initial network device whose difference between the first adjusted input power and the initial input power is equal to the first preset adjustment deviation;
the setting unit is further configured to set the output power of the optical amplifier to the initial output power;
the second obtaining unit is further configured to obtain a first recovered input power of the first candidate lower-level network device;
the searching unit is further configured to search for a first determined subordinate network device of the optical amplifier, where the first determined subordinate network device is the first candidate subordinate network device with the first recovered input power equal to the initial input power;
an establishing unit, configured to establish a correspondence table between the optical amplifier and the first determined lower-level network device;
a constructing unit, configured to construct a topology link of the FTTx network according to the correspondence table of all optical amplifiers in the initial network device.
7. The apparatus of claim 6, wherein the device parameter further comprises a device number;
the selecting unit comprises:
the screening module is used for screening the optical amplifier in the initial network equipment according to the equipment type;
a generating module, configured to generate a serial number list of the device numbers of the optical amplifiers according to a preset arrangement rule;
and the selecting module is used for sequentially selecting the optical amplifier and the initial output power of the optical amplifier according to the serial number list.
8. The apparatus of claim 6, wherein the device parameters further comprise an Internet Protocol (IP) address;
the selecting unit comprises:
the screening module is used for screening the optical amplifier in the initial network equipment according to the equipment type;
a generating module, configured to generate an address list of the IP addresses of the optical amplifiers according to a preset arrangement rule;
and the selecting module is used for sequentially selecting the optical amplifier and the initial output power of the optical amplifier according to the address list.
9. The apparatus of claim 6, wherein the apparatus further comprises:
the setting unit is further configured to set the output power of the optical amplifier to a second adjusted output power according to a second preset adjustment deviation after the first determined lower-level network device of the optical amplifier is searched, where the second adjusted output power is a sum of the second preset adjustment deviation and the initial output power;
the second obtaining unit is further configured to obtain a second adjusted input power of the initial network device;
the searching unit is further configured to search for a second candidate lower-level network device of the optical amplifier, where the second candidate lower-level network device is the initial network device whose difference between the second adjusted input power and the initial input power is equal to the second preset adjustment deviation;
the setting unit is further configured to set the output power of the optical amplifier to the initial output power;
the second obtaining unit is further configured to obtain a second recovered input power of the second candidate lower-level network device;
the searching unit is further configured to search for a second determined subordinate network device of the optical amplifier, where the second determined subordinate network device is the second candidate subordinate network device whose second restoration input power is equal to the initial input power;
a calculation unit configured to calculate an intersection of the first determination lower-level network device and the second determination lower-level network device;
the establishing unit is further configured to:
and establishing a comparison relation table of the optical amplifier and the calculation result.
10. The apparatus of claim 6, wherein the apparatus further comprises:
a marking unit, configured to mark identification information of the optical amplifier in the topology link after the topology link of the FTTx network is constructed, where the identification information is location information of the optical amplifier.
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