CN108833165B - Automatic channel arranging method and device for optical transmission network wavelength division system - Google Patents
Automatic channel arranging method and device for optical transmission network wavelength division system Download PDFInfo
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Abstract
The application provides an automatic channel arrangement method and device for a wavelength division system of an optical transmission network, relates to the field of communication, and can shorten the period of channel arrangement and generation of an optical channel organizational chart and improve the design efficiency of the optical channel organizational chart. The method comprises the following steps: acquiring basic information of all wavelength division systems in the whole network, service routing information of at least one service to be arranged and channel occupation information of the whole network wavelength division systems; determining a service pre-arrangement result according to the multiplexing segment mark in the service routing information and the channel occupation mark in the channel occupation information, matching the pre-arrangement result with a preset value, if the matching is successful, arranging a channel for the corresponding service, performing secondary packaging on a general computer drawing tool function module through a programming language, and drawing an optical path organization chart of the optical transmission network wave-division system according to the service channel arrangement result.
Description
Technical Field
The present application relates to the field of communications, and in particular, to a method and an apparatus for automatically arranging channels of a wavelength division system of an optical transmission network.
Background
In the present phase, the channel arrangement in the wavelength division system of the optical transmission network mainly adopts an artificial mode, the routing information of all services and the channel occupation information of the whole wavelength division system of the optical transmission network are subjected to data arrangement and analysis by manpower, the channel arrangement is carried out on all the services, and a general computer drawing tool is utilized to design the optical channel organization chart of each transmission system. The traditional channel arrangement mode, drawing generation and channel resource data updating depend on a manual operation mode, and the design delivery cycle of the channel arrangement and the optical channel organization chart is long and low in efficiency.
Disclosure of Invention
The application provides an automatic channel arrangement method and device for a wavelength division system of an optical transmission network, which shorten the period of channel arrangement and optical channel organizational chart generation and improve the design efficiency of the optical channel organizational chart.
In order to achieve the purpose, the technical scheme is as follows:
in a first aspect, the present application provides a method for automatically arranging channels of a wavelength division system of an optical transmission network, the method including: acquiring basic information of all wavelength division systems in the whole network, service routing information of at least one service to be arranged and channel occupation information of the whole network wavelength division systems; the basic information of each wavelength division system includes: the name of the corresponding wavelength division system, the names of the local stations at two ends of each multiplexing section contained in the corresponding wavelength division system and the total number of the multiplexing sections of the corresponding wavelength division system; the service routing information includes: the method comprises the following steps that the name of a service to be arranged, the initial station of the service, the termination station of the service, the initial channel number of the service, the name of each wavelength division system occupied by the service, the name of a multiplex section occupied by the service in each wavelength division system, the number of occupied multiplex sections and a multiplex section mark are obtained; the channel occupation information of the whole network wavelength division system comprises: the name of the corresponding wavelength division system, the channel number of the wavelength division system and the channel occupation mark; and determining a service pre-arranging result according to the multiplexing segment mark and the channel occupation mark, matching the pre-arranging result with a preset value, and arranging channels for the service if the matching is successful.
In a second aspect, the present application provides an automatic arrangement device for channels of a wavelength division system of an optical transmission network, the device comprising: the device comprises an acquisition module and a determination module. The acquisition module is used for acquiring basic information of all wavelength division systems in the whole network, service routing information of at least one service to be scheduled and channel occupation information of the whole network wavelength division systems; the basic information of each wavelength division system includes: the name of the corresponding wavelength division system, the names of the local stations at two ends of each multiplexing section contained in the corresponding wavelength division system and the total number of the multiplexing sections of the corresponding wavelength division system; the service routing information includes: the method comprises the following steps that the name of a service to be arranged, the initial station of the service, the termination station of the service, the initial channel number of the service, the name of each wavelength division system occupied by the service, the name of a multiplex section occupied by the service in each wavelength division system, the number of occupied multiplex sections and a multiplex section mark are obtained; the channel occupation information of the whole network wavelength division system comprises: the name of the corresponding wavelength division system, the channel number of the wavelength division system and the channel occupation mark. And the determining module is used for determining a service pre-arranging result according to the multiplexing segment mark and the channel occupation mark, matching the pre-arranging result with a preset value, and arranging the channel for the service if the matching is successful.
In a third aspect, the present application provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when a network device executes the instructions, the network device executes the method for automatically arranging channels of a wavelength division system of an optical transmission network according to any one of the first aspect and various optional implementation manners.
In a fourth aspect, the present application provides an automatic channel arrangement system for a wavelength division system of a communication optical transmission network, where the system includes a resource database, drawing software, and an automatic channel arrangement device for a wavelength division system of an optical transmission network according to any one of the second aspect and various optional implementations thereof.
The method and the device for automatically arranging the channels of the wavelength division system of the optical transmission network firstly acquire basic information of all the wavelength division systems in the whole network, service routing information of at least one service to be arranged and channel occupation information of the wavelength division system of the whole network; and determining a service pre-ranking result according to the multiplexing segment mark in the service routing information and the channel occupation mark in the channel occupation information of the whole network wavelength division system through computer programming, matching the pre-ranking result with a preset value, and if the matching is successful, arranging channels for corresponding services. Compared with manual channel arrangement and manual drawing in the prior art, the method shortens the period of channel arrangement and optical channel organizational chart generation, and improves the design efficiency of channel arrangement and optical channel organizational chart.
Drawings
Fig. 1 is a schematic diagram of an optical transmission network according to an embodiment of the present application;
fig. 2 is a flowchart of a method for automatically arranging channels of a wavelength division system of an optical transmission network according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an automatic channel arrangement device of a wavelength division system of an optical transmission network according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an apparatus for automatically arranging channels of a wavelength division system of an optical transmission network according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of an apparatus for automatically arranging channels of a wavelength division system of an optical transmission network according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a network device according to an embodiment of the present application;
FIG. 7 is a diagram illustrating major blocks of a drawing function of a computer drawing tool according to an embodiment of the present disclosure;
fig. 8 is an optical pathway organization diagram provided by an embodiment of the present application.
Detailed Description
The following describes in detail an automatic channel arrangement method and apparatus for a wavelength division system of an optical transmission network according to an embodiment of the present application with reference to the accompanying drawings.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone.
Furthermore, the terms "including" and "having," and any variations thereof, as referred to in the description of the present application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that in the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or explanations. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
In the description of the present application, the meaning of "a plurality" means two or more unless otherwise specified.
The optical transmission network provided by the embodiment of the application is composed of a plurality of wavelength division systems, and the plurality of wavelength division systems are constructed into a mesh network transmission topology in a certain area. As shown in fig. 1, fig. 1 is a wavelength division system 80x100Gb/s (abbreviated as "huning and beingji" WDM 80-100G-1 system ") including shanghai-wuxi-nanjing-fei-wuhan, each of which is composed of four types of stations, i.e., OTM (Optical Terminal Multiplexer), REG (Regenerator), ROADM (Reconfigurable Optical Add-Drop Multiplexer), OLA (Optical Line Amplifier), wherein the stations are used for up and down and switching of services, the station is mainly used for regenerating and relaying long-distance transmission signals, the station is mainly used for amplifying Optical transmission signals, and when a certain channel of a certain wavelength division system is opened, the station is required to be configured with the Optical Terminal (OTM) and the station (REG) of the type that the service passes through, optical switching unit), since the originating station and the terminating station of a service may not be in the same wavelength division system, the route of one service may need to be switched in different wavelength division systems, different segments, and different optical transmission paths (i.e. channels), so that the optical channels are through in the whole process. For example, 1 100Gb/s service in south china-shanghai needs to be opened, OTU boards need to be respectively configured in a south china OTM station, a Qingdao OTM station, a Yunyong REG station, and a shanghai OTM station, channels are arranged for the service according to the actual channel occupation condition, and a pigtail is used at each node for switching (communication), so that a whole-course optical channel can be opened, and the service requirement is met. The channel between the two end office stations configured with OTUs is called the multiplex section.
The basic information of the wavelength division system is obtained by sorting according to the data in the resource database, and the related information of the basic information of the wavelength division system in the resource database comprises: the corresponding wavelength division system name, the name and the type of each station contained in the corresponding wavelength division system, the province of the station, the city of the station, the distance between stations and other information. See table 1 for specific meanings of the individual parameters.
TABLE 1
| Serial number | Name (R) | Means of |
| 1 | Name of wavelength division system | Wave division system name for transmission network |
| 2 | Office station name | The wave division system comprises names of the stations |
| 3 | Province of office station | Provinces to which each station belongs |
| 4 | City of office | Each officeCities to which stations belong respectively |
| 5 | Distance to station | Distance of each station |
| 8 | Office station type | Office station type of each office station |
The service routing information is obtained by acquiring data from a resource database and arranging the data by a computer. Before being arranged by a computer, the service routing information comprises information such as a name of a wavelength division system through which a service to be arranged passes, a name of a multiplexing section occupied by the service in each wavelength division system, a service name, a service starting station, a service terminating station, a service left-turn initial channel number, a left-turn system name, a left-turn direction, a right-turn initial channel number, a right-turn system name, a right-turn direction and the like. The meaning of each parameter is shown in the following table, and table 2 is the service routing information before the service to be scheduled is sorted by the computer.
TABLE 2
The channel occupation information is obtained by acquiring data from a resource database and sorting the data, and the related information of the channel occupation information in the resource database comprises: the system name of the wavelength division system through which the service to be arranged passes, the station names at two ends of each multiplexing section contained in the corresponding wavelength division system, the channel occupation condition, the channel number of the wavelength division system, the matching success mark and other information. The specific meanings of the individual parameters are shown in Table 3.
TABLE 3
An embodiment of the present application provides an automatic arrangement method for channels of a wavelength division system of an optical transmission network, as shown in fig. 2, the method may include S201 to S205:
s201, acquiring basic information of all wavelength division systems in the whole network, service routing information of at least one service to be scheduled and channel occupation information of the whole network wavelength division systems.
The basic information of each wavelength division system is obtained by acquiring data from a resource database and sorting, and the sorted basic information of the wavelength division systems comprises: corresponding to the information of the name of the wavelength division system, the names of the stations at the two ends of each multiplexing section, the provinces of the stations, the cities to which the stations belong, the types of the stations, the total number of the multiplexing sections of the wavelength division system, the marks of the multiplexing sections, the distances of the multiplexing sections and the like, table 4 is the basic information of the (100G) -1 system of the Shanhining Han WDM 80.
TABLE 4
In table 4, the number of the multiplexing sections in the system of shanning and han WDM80 (100G) -1 is 4, there are 5 central offices at both ends of the multiplexing section, the names of the central offices at both ends of the multiplexing section are wuhan, compound fertilizer, south jing, tin-free and shanghai, the types of the central offices of the 5 central offices are OTM, ROADM and OTM, the 5 central offices are located in wuhan city, anhui compound fertilizer city, south jing city, Jiangsu province tin-free city and shanghai city, respectively, wherein the names of the central offices may be a certain small area or a certain park in which the central office is located, and one city may also have multiple multiplexing section central offices. The multiplex section distance represents the distance between the local stations at two ends of the multiplex section, for example, the distance between the wuhan local station and the fertilizer station is 270km, the distance between the fertilizer station and the Nanjing local station is 340km, the distance between the Nanjing local station and the tin-free local station is 190km, and the distance between the tin-free local station and the Shanghai local station is 130 km. The multiplex section mark in table 4 is the mark of the computer to the multiplex section according to the position of the multiplex section in the wavelength division system, the multiplex section wuhan-yufu is the 1 st multiplex section in the system, the multiplex section mark is 5000, the multiplex section yun-bei is the 2 nd multiplex section in the system, the multiplex section mark is 500, the multiplex section yun-wu is the 3 rd multiplex section in the system, the multiplex section mark is 50, the multiplex section wusn-free-shanghai is the 4 th multiplex section in the system, and the multiplex section mark is 5.
The service routing information is obtained by acquiring data from a resource database and arranging the data by a computer. Specifically, after the service is acquired, the service can be initially planned, optimized and adjusted manually, and the adjusted service routing information includes: the method comprises the following steps of starting station through which the service passes, service terminating station, the name of each wavelength division system occupied by the service, the name of a multiplexing section occupied by the service in each wavelength division system, and the switching condition of the service.
TABLE 5
Table 5 shows the traffic routing information after the traffic IP169 (Zhengzhou A1-guanfu A1), the traffic IP169 (Zhengzhou A2-wu A2) and the traffic IP169 (Wuhan A1-Shanghai A1) are manually arranged in the Shanghai Hanhe WDM 80-1 (100G) -1 system. Wherein, the initial station of the service IP169 (Zhengzhou A1-combined fertilizer A1) is Zhengzhou, the termination station is combined fertilizer, and needs to be switched from the Kyohan wide WDM80 lambda (100G) -1 system to the Huning combined Han WDM80 in (100G) -1 system, when the service is transmitted in the 1 st multiplexing section Wuhan-combined fertilizer in the Huning combined Han WDM80 in (100G) -1 system, the left-turn system is the Kyohan wide WDM80 lambda (100G) -1 system, the left-turn direction is Zhengzhou, and the left-turn initial channel number is lambda 1. The initial station of the service IP169 (Zhengzhou A2-Wuxi A2) is Zhengzhou, the terminal station is Wuxi, the service needs to be switched from the Kyohan wide WDM80 lambda (100G) -1 system to the Huninghaman WDM 80-in (100G) -1 system, when the service is transmitted in the 1 st multiplexing section Wuhan-combined fertilizer in the Huninghaman WDM 80-in (100G) -1 system, the left-turn system is the Kyohan wide 80 lambda (100G) -1 system, the left-turn direction is Zhengzhou, the left-turn initial channel number is lambda 2, the right-turn system is the Kyohan-combined han 80-in (100G) -1 system, the right-turn direction is Nanjing, the right-turn initial channel number is lambda 2, when the 2 nd multiplexing section is transmitted in the Nanhan-combined fertilizer-in the Nankanghan WDM 80-1 system, the left-turn system is Wunghaman Wuhan-combined fertilizer-in the Nankanghai-100G-1 system, the left-turn system is Wuhan-80, and the left-turn system is 100G-1, the left-turn initial channel number is lambda 2, the right-turn system is a Shannon Hehan WDM80 input (100G) -1 system, the right-turn direction is tin-free, the right-turn initial channel is lambda 2, when the 3 rd multiplexing segment Nanjing-tin-free transmission is carried out in the Shannon Hehan WDM80 input (100G) -1 system, the left-turn system is a Shannon Hehan WDM80 lambda (100G) -1 system, the left-turn direction is fertilizer combination, and the left-turn initial channel is lambda 2.
The initial station of the service IP169 (Wuhan A1-Shanghai A1) is Wuhan, the end station is Shanghai, the service and the 1 st multiplexing section during the transmission in the Shanhuning Hehan WDM 80-in (100G) -1 system are Wuhan-Gangfu, the right turn system is Shanhuning Hehan WDM 80-in (100G) -1 system, the right turn direction is Nanjing, the right turn initial channel number is lambda 3, during the transmission in the 2 nd multiplexing section-Nanjing, the left turn system is Shanning Hehan WDM80 lambda (100G) -1 system, the left turn direction is Wuhan, the left turn initial channel number is lambda 3, the right turn system is Shanning Hehan WDM 80-in (100G) -1 system, the right turn direction is tin-free, the right turn initial channel number is lambda 3, during the tin-free transmission in the 3 rd multiplexing section during the transmission in the Shanghan-Hehan WDM 80-Shanghai-1 system, the left-turn system is a huning-in-han WDM80 λ (100G) -1 system, the left-turn direction is the combined fertilizer, the left-turn initial channel number is λ 3, the right-turn system is a huning-in-han WDM 80-in (100G) -1 system, the right-turn direction is shanghai, the right-turn initial channel number is λ 3, when the 4 th multiplexing section is tin-free-shanghai transmission during transmission in the huning-in-han WDM 80-in (100G) -1 system, the left-turn system is a huning-in-han WDM80 λ (100G) -1 system, the left-turn direction is nanjing, the left-turn initial channel number is λ 3, and table 6 is the result of the computer after sorting according to the data in table 5.
TABLE 6
Table 6 shows that the computer calculates the number of the multiplexing segments occupied by each service in each wavelength division system according to the data in table 5, and takes the wavelength division systems as the statistical sorting unit to sort and sort all the services carried by each wavelength division system according to the number of the multiplexing segments occupied by the services in the corresponding wavelength division system, specifically, the services are sorted from large to small according to the number of the multiplexing segments occupied by the services in the corresponding wavelength division system. The multiplex section labels in Table 6 mean the occupancy of the multiplex section by the service in the Huanningham WDM 80-in (100G) -1 system. The service IP169 (Wuhan A1-Shanghai A1) occupies 4 multiplexing sections, the service is marked as ' 5555 ', the multiplexing section mark ' 5555 ' represents the 4 multiplexing sections of Wuhan-Hefei, Hefei-Nanjing, Nanjing-tin-free and tin-free-Shanghai, the service IP169 (Zhengzhou A2-tin-free A2) occupies the first 3 multiplexing sections of Shannon-Hehan WDM 80-100G) -1 system, the service is marked as ' 5550 ', the multiplexing section mark ' 5550 ' represents the 3 multiplexing sections of Wuhan-Hefei, Hefei-Nanjing and Nanjing-tin-free, the service IP169 (Zhengzhou A1-Hefei A1) occupies 1 multiplexing section, the service is marked as ' 5000 ', and the multiplexing section mark ' represents the 1 multiplexing section of Wuhan-Hefei.
The channel occupation information is obtained by acquiring data from a resource database and arranging the data by a computer, and the channel occupation information in the resource database comprises the following steps: the name of the corresponding wavelength division system, the channel number of the wavelength division system, the number of multiplexing segments occupied by each channel in the corresponding wavelength division system, the channel occupation mark and the service name occupying each channel, table 7 is the relevant data of the channel occupation information before being processed, which is obtained from the resource database, and table 8 is the channel occupation information after being sorted by the computer.
As can be seen from table 7, there are 3 cases of channel allocation and occupancy: channels are configured and used, channels configured are not used, channels are not configured and not used. The computer marks the channel configuration and occupancy by different numbers according to the information in table 7, and indicates with "1" that a certain multiplexed segment in the channel has been channel configured and the channel has been used, "2" that a certain multiplexed segment in the channel has been channel configured but the channel has not been used, "3" that a certain multiplexed segment in the channel has not been channel configured and the channel has not been used. As shown in table 8, the channel labeled "2111" indicates that the channel of the multiplex section wuhan-syphilitic channel has been configured but not used, and the channels of the syphilitic-nanjing, nanjing-tin free, and tin free-shanghai have been configured and occupied by other services. The matching success flag is preset to be '0000', and the matching success flag is used for identifying a service pre-ranking result determined according to the multiplexing segment flag and the channel occupation flag. The 79 th wave and the 80 th wave are used as standby maintenance channels of the multiplexing section and cannot be occupied by services. When other channels fail (such as an OUT board is broken) and cannot bear services, the standby maintenance channel can temporarily bear the services which cannot be borne by the failed channel, and after the failed channel is recovered to be normal, the services are borne by the original channel which fails and has recovered to be normal again, so that the standby channel occupation mark is '1'.
TABLE 7
TABLE 8
S202, determining a service pre-arrangement result, matching the pre-arrangement result with a preset value, and if the matching is successful, arranging channels for corresponding services.
The preset value needs to be set in advance, for example, when the multiplexing segment flag in the service routing information is added to the channel occupancy flag in the channel occupancy information, and as a result, the result is "6", indicating that the matching is unsuccessful, and when the result is "7", indicating that the matching is successful through the configured but not yet used channel, and when the result is "8", indicating that the matching is successful through the newly configured channel. Wherein the position of the multiplex section marked as 0 in the traffic routing information is not considered.
Taking the channel arrangement of the service IP169 (wuhan a 1-shanghai a1), the service IP169 (zheng a 2-tin-free a2) and the service IP169 (zheng a 1-shanghai a1) in the huning henghai WDM80 in (100G) -1 wavelength division system as an example in the above step S201 and the above step S202, according to the number of multiplexing segments occupied by 3 services in the wavelength division system from large to small, channel arrangement is first performed for the IP169 (wuhan a 1-shanghai a1), the multiplexing segment of the service (multiplexing segment weight of 4) in the service routing information is marked as "5555", the channel occupancy of λ 1 from the 1 st channel λ 1 of the wavelength division system is marked as "1111", the multiplexing segment mark of the IP169 (wuhan a 1-shanghai a1) is marked as "5555" with the channel occupancy mark of λ 1 ", the prearrangement result is marked as" 1111 ", the prearrangement result is" 66 "and" 667 "666", and "667" 666 "are added, Matching is carried out for 8, and the matching is not successful; the channel occupation mark of the 2 nd channel lambda 2 is '1111', the multiplexing segment mark '5555' of the service is added with the channel occupation mark '1111' of the lambda 2, the pre-ranking result is '6666', the pre-ranking result is matched with preset values '6', '7' and '8', and the matching is still unsuccessful; adding the multiplexing segment mark '5555' of the service with the channel occupation mark '2111' of lambda 3 continuously, wherein the prearrangement result is '7666', and matching '7666' with preset values '6', '7' and '8' is carried out, and the matching is unsuccessful; adding the multiplexing segment mark '5555' of the service with the channel mark '2222' of the lambda 4 continuously, wherein the prearranged result is '7777', matching '7777' with the preset values '6', '7', '8', the successful matching indicates that the service is successfully arranged through the configured but not used channel, the service IP169 (Wuhan A1-Shanghai A1) is arranged in the lambda 4 channel in the Huanning Hehan WDM80 lambda (100G) -1 system, the channel number after the service is arranged is stored as the initial channel number for arranging the service continuously, the successful matching mark of the lambda 4 channel is modified into '7777', the successful matching mark of the lambda 4 channel indicates that the service is successfully matched through the configured but not used channel, the service is arranged completely, and the channel occupation mark of the lambda 4 channel is modified from '2222' to '1111'.
Then, a channel is arranged for the 2 nd service IP169 (Zhengzhou A2-tin-free A2), the service label of the service (the multiplex section weight is 3) is '5550', matching is started from the 1 st channel lambda 1 of the wavelength division system, the multiplex section label '5550' of the service IP169 (Zhengzhou A2-tin-free A2) is added with the channel occupation label '1111' of the lambda 1, the pre-ranking result is '6661', the '6661' is matched with preset values '6', '7' and '8', and the matching is unsuccessful; adding the multiplexing segment mark '5550' of the service and the channel occupation mark of lambda 2 into '1111', wherein the pre-ranking result is '6661', and matching '6661' with preset values '6', '7' and '8', wherein the matching is still unsuccessful; adding the multiplexing segment mark '5550' of the service and the channel occupation mark '2111' of lambda 3 to obtain '7661', and still ensuring that the matching is unsuccessful; adding a multiplexing segment flag '5550' of the service and a channel occupation flag of lambda 4 as '1111', a pre-ranking result is '6661', matching '6661' with preset values '6', '7', '8' to indicate that the matching is unsuccessful, adding the multiplexing segment flag '5550' of the service and a channel occupation flag of lambda 5 as '3333', a pre-ranking result is '8883', matching '8883' with preset values '6', '7', '8' to indicate that the matching of the channels by the new configuration is successful, arranging the service IP169 (Zhenzhou A2-tin-free A2) in the Huanning Henhamen WDM80 lambda (100G) -1 system at lambda 5 channels, storing the channel number after the arranging of the service is completed as the initial channel number for arranging the service continuously, modifying the matching success flag of the lambda 8 channel to '8883', and indicating that the matching of the channels by the configuration is successful, and the business is arranged, and the channel occupation mark of the lambda 5 channel is modified from the original '3333' to '1113'.
Then, a channel is arranged for the 3 rd service IP169 (Zheng state A1-fertilizer combination A1), the service mark of the service (the multiplexing section weight is 1) is '5000', the matching is started from the 1 st channel lambda 1 of the wavelength division system, the multiplexing section mark '5000' of the service is added with the channel lambda 1 channel occupation mark '1111', the pre-ranking result is '6111', and the '6661' is matched with preset values '6', '7' and '8', which indicates that the matching is unsuccessful; adding the multiplexing segment mark '5000' of the service with the 2 nd wave channel '1111', the pre-ranking result is '6111', and the matching is still unsuccessful; adding the multiplexing segment mark '5000' of the service and the channel occupation mark '2111' of lambda 3, the pre-arranging result is '7111', matching '7111' with the preset values '6', '7' and '8', the successful matching is successful, the service IP169 (Zhengzhou A1-Hefei A1) is arranged in lambda 3 channel in the Huanning Hehan WDM80 lambda (100G) -1 system, the channel number after the successful matching of the service is stored as the initial channel number for continuously arranging the service, the matching success mark of the lambda 3 channel is modified to '7111', and the channel occupation mark of the lambda 3 channel is modified from the original '2111' to '1111'.
In summary, service IP169 (Wuhan A1-Shanghai A1), service IP169 (Zhengzhou A2-Wuxi A2) and service IP169 (Zhengzhou A1-Hefei A1) are respectively arranged in a channel lambda 4, a channel lambda 5 and a channel lambda 3 in a (100G) -1 wavelength division system of Shangning Hehan WDM 80.
Wherein the initial channel number is to identify the channel on which the service is scheduled.
When the service passes through a plurality of systems in the transmission process, the channels of the service are arranged in sequence by taking the systems as units.
And S203, packaging the drawing function of the general computer drawing tool for the second time by using the programming language.
The secondary packaging means that the drawing function in the general computer drawing tool is packaged in a modularization way through a programming language to manufacture the component element module of the optical path organization chart, taking the CAD general drawing tool as an example, the packaged main drawing module is shown as figure 7, the optical channel service left switching module means that a service needs to be switched from another system before passing through a corresponding multiplexing section, the optical channel service right switching module means that the service needs to be switched to another system after passing through a corresponding multiplexing section, the optical channel service terminal module means that the service does not need to be switched when being transmitted in the corresponding multiplexing section, the service in the period is old and unused, the service is configured with channels but unused, the service in the period is newly configured with channel modules, the channel is newly configured, and the system originally uses the channel modules, and the channel is used by other services.
S204, calling the packaged drawing module by using a programming language, and drawing an optical path organization chart of each transmission system contained in the whole optical network;
according to the design principle of a communication network, the logic of a wavelength division system and the communication design specification, calling a packaged drawing module by using a programming language, and drawing an optical path organization chart of each transmission system contained in the whole optical network according to the channel occupation condition and the arrangement result of a service channel; as shown in fig. 8, the optical path organization diagram of the service IP169 (wuhan a 1-shanghai a1), the service IP169 (zheng a 2-tin-free a2) and the service IP169 (zheng a 1-combination a1) arranged at the channels λ 4, λ 5 and λ 3 in the huining-henghan WDM 80-in (100G) -1 wavelength division system, respectively, is drawn by calling the encapsulated mapping module.
S205, performing secondary packaging and development on the reading and writing functional interface of the database storage file through a programming language, and sorting and filing the optical path channel resources arranged by all the services at the current period to realize the updating of the network resource data at the current period.
The method for automatically arranging the channels of the wavelength division system of the optical transmission network comprises the steps of firstly, acquiring basic information of all wavelength division systems in the whole network, service routing information of at least one service to be arranged and channel occupation information of the wavelength division systems in the whole network; and acquiring a service pre-ranking result according to the multiplexing segment mark in the service routing information and the channel occupation mark in the channel occupation information, matching the pre-ranking result with a preset value, and if the matching is successful, arranging channels for the corresponding service. Compared with manual channel arrangement and manual drawing in the prior art, the method greatly shortens the period of channel arrangement and generation of the optical channel organizational chart, and improves the design efficiency of the optical channel organizational chart.
In the embodiment of the present application, the automatic channel scheduling device for a wavelength division system of an optical transmission network may perform the division of the functional modules or the functional units according to the above method, for example, each functional module or functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module may be implemented in a form of hardware, or may be implemented in a form of a software functional module or a functional unit. The division of the modules or units in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
Fig. 3 shows a schematic diagram of a possible structure of the automatic channel arranging device of the wavelength division system of the optical transmission network according to the above embodiment. The apparatus comprises an obtaining module 301 and a determining module 302.
The obtaining module 301 is configured to obtain basic information of all wavelength division systems in the whole network, service routing information of at least one service to be scheduled, and channel occupation information of the wavelength division systems in the whole network.
A determining module 302, configured to determine a service pre-ranking result according to the multiplexing segment flag and the channel occupancy flag, match the pre-ranking result with a preset value, and if the matching is successful, arrange a channel for the service.
Optionally, as shown in fig. 4, the automatic channel scheduling apparatus of a wavelength division system of an optical transmission network according to the embodiment of the present application may further include a storage module 303.
The storage module 303 is configured to store the channel number after the service is finished being arranged, and update the channel occupation flag according to the pre-arrangement result.
Optionally, the determining, in the determining module 302, a service pre-ranking result according to the multiplexing segment flag and the channel occupancy flag, and matching the pre-ranking result with a preset value includes: and summing the multiplexing segment marks in the service routing information and the channel occupation marks, and comparing the summed value with a preset value.
Optionally, the service routing information acquired by the acquiring module 301 further includes: the name of the left-turn system, the number of the left-turn initial channel, the left-turn station, the name of the right-turn system, the number of the right-turn initial channel and the right-turn station of the service in each wavelength division system.
Optionally, the determining module 302 is further configured to arrange channels for the services in a right turn system according to a name of the right turn system, a right turn station, and a right turn initial channel number in the service routing information.
Optionally, the determining module 302 is further configured to sort the services in each wavelength division system according to the number of multiplexing segments occupied by the at least one service in each wavelength division system, from large to small, and arrange channels for the services according to the sorting result.
The automatic channel arrangement device for the wavelength division system of the optical transmission network, provided by the application, comprises the steps of firstly obtaining basic information of all wavelength division systems in the whole network, service routing information of at least one service to be arranged and channel occupation information of the wavelength division systems in the whole network; and determining a service pre-arranging result according to the multiplexing segment mark in the service routing information and the channel occupation mark in the channel occupation information, matching the pre-arranging result with a preset value, and arranging a channel for the corresponding service if the matching is successful. Compared with manual channel arrangement and manual drawing in the prior art, the method greatly shortens the period of channel arrangement and generation of the optical channel organizational chart, and improves the design efficiency of the optical channel organizational chart.
Fig. 5 shows a schematic structural diagram of another possible channel automatic arrangement device of the wavelength division system of the optical transmission network according to the above embodiment. The device includes: a processing unit 402 and a communication unit 401. The processing unit 402 is used for controlling and managing the actions of the automatic channel orchestration device of the wdm system of the optical transmission network, for example, performing the steps performed by the determining module 302 and the storing module 303 described above, and/or performing other processes of the techniques described herein. The communication unit 401 is configured to support communication between the apparatus and other network entities, for example, perform the steps performed by the obtaining module 301. The apparatus may further include a storage unit 403, where the storage unit 403 is used for storing program codes and data of the automatic channel arranging apparatus of the optical transmission network wavelength division system.
As shown in fig. 6, the processing unit 402 may be a processor 501 or a controller in a network device, and the processor 501 or the controller may implement or execute various exemplary logical blocks, modules and circuits described in connection with the disclosure of the present application. The processor 501 or controller may be a central processing unit, a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, transistor logic, a hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor 501 may also be a combination of computing functions, e.g., comprising one or more microprocessors, a combination of DSPs and microprocessors, or the like.
The communication unit 401 may be a transceiver, a transceiving circuit, or a communication interface 502 in a network device, or the like.
The storage unit 403 may be a memory 503 or the like in the network device, and the memory 503 may include a volatile memory, such as a random access memory; the memory may also include non-volatile memory, such as read-only memory, flash memory, a hard disk, or a solid state disk; the memory 503 may also comprise a combination of memories of the kind described above.
The bus 504 may be an Extended Industry Standard Architecture (EISA) bus or the like. The bus 504 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 6, but this is not intended to represent only one bus or type of bus.
Through the above description of the embodiments, it is clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device may be divided into different functional modules to complete all or part of the above described functions. For the specific working processes of the system, the apparatus and the unit described above, reference may be made to the corresponding processes in the foregoing method embodiments, and details are not described here again.
An embodiment of the present application further provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the network device executes the instructions, the network device executes each step executed by the network device in the method flow shown in the foregoing method embodiment.
The computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a Read-Only Memory (ROM), an Erasable Programmable Read-Only Memory (EPROM), a register, a hard disk, an optical fiber, a portable Compact Disc Read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, any suitable combination of the above, or any other form of computer readable storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an Application Specific Integrated Circuit (ASIC). In embodiments of the present application, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. An automatic channel arrangement method for a wavelength division system of an optical transmission network is characterized by comprising the following steps:
acquiring basic information of all wavelength division systems in the whole network, service routing information of at least one service to be arranged and channel occupation information of the whole network wavelength division systems; the basic information of each wavelength division system includes: the name of the corresponding wavelength division system, the names of the local stations at two ends of each multiplexing section contained in the corresponding wavelength division system and the total number of the multiplexing sections of the corresponding wavelength division system; the service routing information includes: the method comprises the following steps that the name of a service to be arranged, the initial station of the service, the termination station of the service, the initial channel number of the service, the name of each wavelength division system occupied by the service, the name of a multiplex section occupied by the service in each wavelength division system, the number of occupied multiplex sections and a multiplex section mark are obtained; the channel occupation information of the whole network wavelength division system comprises: the name of the corresponding wavelength division system, the channel number of the wavelength division system and the channel occupation mark;
and determining a service pre-arranging result according to the multiplexing segment mark and the channel occupation mark, matching the pre-arranging result with a preset value, and arranging channels for the service if the matching is successful.
2. The method of claim 1, wherein the scheduling the channels for the service comprises:
storing the channel number of the service after finishing the arrangement;
and updating the channel occupation mark according to the pre-ranking result.
3. The method according to claim 1 or 2, wherein the determining a service pre-ranking result according to the multiplexing segment flag and the channel occupancy flag, and matching the pre-ranking result with a preset value comprises:
and summing the multiplexing segment marks and the channel occupation marks, and comparing the summed value with a preset value.
4. The method of claim 1 or 2, wherein the traffic routing information further comprises: the name of a left-turn system, the number of a left-turn initial channel, the name of a left-turn station, the name of a right-turn system, the number of a right-turn initial channel and the number of a right-turn station of the service in each wavelength division system;
after the channel is scheduled for the service, the method further comprises: and arranging channels for the services in the right turn system according to the name of the right turn system, the number of the right turn initial channel and the right turn station in the service routing information.
5. The method according to claim 1, wherein after obtaining the service routing information of at least one service to be scheduled, the method comprises:
and sequencing the services in each wavelength division system according to the number of multiplexing sections occupied by the at least one service to be scheduled in each wavelength division system from large to small, and scheduling channels for the services according to the sequencing result.
6. An automatic arrangement device for wavelength division system channels of an optical transmission network, comprising:
the system comprises an acquisition module, a scheduling module and a scheduling module, wherein the acquisition module is used for acquiring basic information of all wavelength division systems in the whole network, service routing information of at least one service to be scheduled and channel occupation information of the whole network wavelength division systems; the basic information of each wavelength division system includes: the name of the corresponding wavelength division system, the names of the local stations at two ends of each multiplexing section contained in the corresponding wavelength division system and the total number of the multiplexing sections of the corresponding wavelength division system; the service routing information includes: the method comprises the following steps that the name of a service to be arranged, the initial station of the service, the termination station of the service, the initial channel number of the service, the name of each wavelength division system occupied by the service, the name of a multiplex section occupied by the service in each wavelength division system, the number of occupied multiplex sections and a multiplex section mark are obtained; the channel occupation information of the whole network wavelength division system comprises: the name of the corresponding wavelength division system, the channel number of the wavelength division system and the channel occupation mark;
and the determining module is used for determining a service pre-arranging result according to the multiplexing segment mark and the channel occupation mark, matching the pre-arranging result with a preset value, and arranging the channel for the service if the matching is successful.
7. The apparatus of claim 6, further comprising a storage module;
and the storage module is used for storing the channel number after the arrangement of the service is finished and updating the channel occupation mark according to the prearranged result.
8. The apparatus according to claim 6 or 7, wherein the determining module is further configured to sum the multiplex section flag and the channel occupancy flag, and compare the summed value with a preset value.
9. The apparatus according to claim 6 or 7, wherein the service routing information obtained by the obtaining module further comprises: the name of a left-turn system, the number of a left-turn initial channel, the name of a left-turn station, the name of a right-turn system, the number of a right-turn initial channel and the number of a right-turn station of the service in each wavelength division system;
the determining module is further configured to arrange channels for the services in the right turn system according to a right turn system name, a right turn initial channel number, and a right turn station in the service routing information.
10. The apparatus according to claim 6, wherein the determining module is further configured to sort the services in each wavelength division system from large to small according to the number of multiplexing sections occupied by the at least one service to be scheduled in each wavelength division system, and schedule channels for the services according to the sorting result.
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