CN107612714B - Automatic topological structure implementation method and system - Google Patents
Automatic topological structure implementation method and system Download PDFInfo
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- CN107612714B CN107612714B CN201710731913.4A CN201710731913A CN107612714B CN 107612714 B CN107612714 B CN 107612714B CN 201710731913 A CN201710731913 A CN 201710731913A CN 107612714 B CN107612714 B CN 107612714B
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Abstract
The invention belongs to the technical field of optical fiber distribution system monitoring systems, and discloses a method and a system for realizing an automatic topological structure, wherein the method comprises the steps that an AU device and an RU device form a cascade information table based on an addressing command flow; AU equipment generates a topology information table; AU equipment generates a topology structure chart, and RU equipment generates monitoring management information; the system comprises: AU equipment and RU equipment, a broadcast link channel and a data link channel; the AU equipment comprises a first addressing command sending module, a first addressing processing module, a first addressing command receiving module and a first topology information processing module; each RU device comprises a second addressing command sending module, a second addressing processing module and a second addressing command receiving module. The invention solves the problems of difficult opening and maintenance in the monitoring and maintenance of the optical fiber distribution system caused by manually compiling topology information and monitoring management information in the prior art, and achieves the technical effect of intelligent monitoring of the optical fiber distribution system.
Description
Technical Field
The invention relates to the technical field of monitoring systems of optical fiber distribution systems, in particular to a method and a system for realizing an automatic topological structure.
Background
The optical fiber distribution system mainly comprises a service Access Unit (AU) and a radio frequency Remote Unit (RU), wherein the AU equipment realizes service access, service signals are transmitted to the RU equipment through optical fibers after being digitally processed, and the RU equipment converts the digital signals into radio frequency signals and then transmits the radio frequency signals through an antenna to form wireless coverage. In the system, in order to realize wider and farther coverage, a plurality of RU devices are hung below the AU devices, a plurality of optical ports are designed on the AU devices, the star connection of the RU devices is realized, meanwhile, the RU devices can also be cascaded to realize the chain type connection on one optical path, and the AU devices are connected through the star connection and the chain type connection to form a set of complete optical fiber distribution system.
In the monitoring system of the optical fiber distribution system, the topology management of the whole system is realized by AU equipment. In the monitoring system, a large number of RU devices are managed by AU devices, the number of RU devices used in different application scenarios is inconsistent, and the networking modes are also inconsistent, the number of RU devices in star connection and chain connection is also inconsistent, and all the devices in the system form a local area network, and the RU devices need to have different monitoring management information such as IP addresses, MAC addresses, device numbers, and the like. In order to facilitate the management of each device of the system, the AU device needs to obtain the actual connection condition of the system and the monitoring management information of each RU device.
In practical engineering application, topology information of a system needs to be manually compiled, and monitoring management information of each RU device is also manually configured. In the actual equipment engineering installation, the site environment of the RU equipment installation is complex, manual configuration of the information is not beneficial to maintenance, and in the case of more RU equipment, if the management is not good, errors of manual configuration of the information can be caused, and the monitoring configuration information and the actual topological structure need to be in one-to-one correspondence, which brings inconvenience to the long-term maintenance of the engineering.
Disclosure of Invention
The embodiment of the application provides an automatic topological structure implementation method and system, and solves the problems that in the prior art, the optical fiber distribution system is difficult to open and maintain in monitoring and maintenance due to the fact that topological information and monitoring management information are manually compiled.
The embodiment of the application provides an automatic topological structure implementation method, which comprises the following steps:
the AU equipment and the RU equipment form a cascade information table based on an addressing command flow;
the AU equipment generates a topology information table according to the cascade information table;
and according to the topology information table, the AU equipment generates a topology structure chart, and the RU equipment generates monitoring management information.
Preferably, when the RU device is added, deleted, or replaced, the cascade information table is updated;
and the AU equipment updates the topology information table, and the RU equipment updates monitoring management information.
Preferably, the addressing command flow includes:
the AU equipment generates addressing command request information, the addressing command request information comprises link address information and node address information, and the AU equipment updates the link address information according to different optical ports;
the AU equipment sends the addressing command request information to different optical port downlink data links according to different link address information;
the RU equipment receives the addressing command request information and analyzes the link address information of the upper-level equipment and the node address information of the upper-level equipment;
the RU equipment updates the link address information of the current-stage equipment to be the link address information of the previous-stage equipment, and the RU equipment updates the node address information of the current-stage equipment to be the node address information of the previous-stage equipment plus one;
the RU equipment sends response information to the upper-level equipment, wherein the response information comprises the maximum node address information known by the current-level equipment;
the RU equipment compares the node address information of the current-stage equipment with the maximum node address information known by the next-stage equipment in the response information, and updates the larger value obtained by comparison into the maximum node address information known by the current-stage equipment;
and the AU equipment updates the maximum node address information of each link.
Preferably, the monitoring management information includes a device number, an IP address, and a MAC address.
Preferably, the method for calculating the device number includes:
the device number is (link address information-1) maximum design cascade number + node address information;
and comparing the maximum node address information of the plurality of links, taking the maximum value as the maximum design cascade number, sending the maximum design cascade number by the AU equipment through a broadcast link channel, and receiving the maximum design cascade number by each RU equipment through the broadcast link channel.
Preferably, the first three bytes of the IP address are set, the first five bytes of the MAC address are set, and an offset value is set; the calculation method of the last byte of the IP address and the MAC address comprises the following steps: offset value + device number.
An embodiment of the present application provides an automatic topology implementation system, including:
AU equipment and RU equipment, the AU equipment has a plurality of optical ports, and each optical port is cascaded with a plurality of RU equipment;
a broadcast link channel and a data link channel, the data link channel comprising an uplink data link and a downlink data link;
the AU equipment comprises a first addressing command sending module, a first addressing processing module, a first addressing command receiving module and a first topology information processing module;
each RU device comprises a second addressing command sending module, a second addressing processing module and a second addressing command receiving module;
the RU equipment connected with the optical port is first-level RU equipment, the first addressing command sending module of the AU equipment is connected with the second addressing command receiving module of the first-level RU equipment, and the first addressing command receiving module of the AU equipment is connected with the second addressing command sending module of the first-level RU equipment;
the second addressing command sending module of the nth level of RU equipment is connected with the second addressing command receiving module of the previous level of RU equipment, and the second addressing command receiving module of the nth level of RU equipment is connected with the second addressing module sending module of the previous level of RU equipment; wherein n is an integer of 2 or more.
Preferably, the first addressing processing module is configured to address data framing of the command request information and the response information, analyze the response information, update the maximum node address information, and update the cascade information table;
the first addressing command sending module is used for updating the link address information in the addressing command request information and sending the addressing command request information;
the first addressing command receiving module is used for receiving response information;
the first topology information processing module is used for updating a topology information table and generating a topology structure chart.
Preferably, the second addressing processing module is configured to address data framing of the command request information and the response information, parse the addressing command request information and the response information, update link address information, and update node address information; updating the address information of the maximum node, judging whether the node is the final-stage equipment or not, and generating monitoring management information;
the second addressing command receiving module is used for receiving addressing command request information sent by the superior device and receiving response information sent by the subordinate device;
the second addressing command sending module is used for sending response information to the upper-level equipment through an uplink; and sending the command compiling request information to the next-level equipment through a downlink data link.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
in the embodiment of the application, the AU equipment and the RU equipment form a cascade information table based on an addressing command flow; the AU equipment generates a topology information table according to the cascade information table; and according to the topology information table, the AU equipment generates a topology structure chart, and the RU equipment generates monitoring management information. Therefore, the AU equipment can automatically identify the system monitoring topology information in real time, and the problems of difficult opening and difficult maintenance in the monitoring and maintenance of the optical fiber distribution system are solved; the monitoring management information of the RU equipment can correspond to the system monitoring topology information one by one, so that clear monitoring management topology can be generated, and intelligent monitoring of the optical fiber distribution system can be realized.
Drawings
In order to more clearly illustrate the technical solution of the present embodiment, the drawings needed to be used in the description of the embodiment will be briefly introduced below, and it is obvious that the drawings in the following description are one embodiment of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic functional module diagram of an AU device and an RU device in an automatic topology implementation system according to an embodiment of the present invention;
fig. 2 is a topology block diagram in an automatic topology implementation method according to an embodiment of the present invention;
fig. 3 is a schematic diagram of monitoring management information in an automatic topology implementation method according to an embodiment of the present invention.
Detailed Description
The embodiment of the application provides an automatic topological structure implementation method and system, and solves the problems that in the prior art, the optical fiber distribution system is difficult to open and maintain in monitoring and maintenance due to the fact that topological information and monitoring management information are manually compiled.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
an automatic topology implementation method comprises the following steps:
the AU equipment and the RU equipment form a cascade information table based on an addressing command flow;
the AU equipment generates a topology information table according to the cascade information table;
and according to the topology information table, the AU equipment generates a topology structure chart, and the RU equipment generates monitoring management information.
An automatic topology implementation system, comprising:
AU equipment and RU equipment, the AU equipment has a plurality of optical ports, and each optical port is cascaded with a plurality of RU equipment;
a broadcast link channel and a data link channel, the data link channel comprising an uplink data link and a downlink data link;
the AU equipment comprises a first addressing command sending module, a first addressing processing module, a first addressing command receiving module and a first topology information processing module;
each RU device comprises a second addressing command sending module, a second addressing processing module and a second addressing command receiving module;
the RU equipment connected with the optical port is first-level RU equipment, the first addressing command sending module of the AU equipment is connected with the second addressing command receiving module of the first-level RU equipment, and the first addressing command receiving module of the AU equipment is connected with the second addressing command sending module of the first-level RU equipment;
the second addressing command sending module of the nth level of RU equipment is connected with the second addressing command receiving module of the previous level of RU equipment, and the second addressing command receiving module of the nth level of RU equipment is connected with the second addressing module sending module of the previous level of RU equipment; wherein n is an integer of 2 or more.
The AU equipment in the application can automatically identify the system monitoring topology information in real time, and the problems of difficult opening and difficult maintenance in the monitoring and maintenance of the optical fiber distribution system are solved; the monitoring management information of the RU equipment can correspond to the system monitoring topology information one by one, so that clear monitoring management topology can be generated, and intelligent monitoring of the optical fiber distribution system is realized.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
AU equipment and RU equipment, RU equipment and RU equipment are connected by optical fiber, service data and management data are transmitted based on optical fiber, wherein, the invention designs a broadcast link channel and a data link channel for management data.
AU equipment sends monitoring data through the broadcast link, and each RU equipment on the link receives the monitoring data through the broadcast link. The monitoring data comprises node information, cascade information and monitoring information of other performance data of the system.
The data link channel is divided into an uplink data link and a downlink data link. The data transmitted from the previous stage to the next stage can be received only by the next stage connected by the optical fiber (referred to as a downlink for short); similarly, data transmitted from a next level to a previous level can only be received by the previous level of its fiber connection (referred to as an uplink for short). Each optical port of the AU device has an uplink data link and a downlink data link which are independent of each other. For example, for data transmitted through the downlink of the optical port 1 of the AU device, only the first-stage RU device connected to the optical port 1 can receive the data, and the RU devices under other optical ports cannot receive the data.
The uplink and downlink data link is designed to provide a data logic channel in the optical interface link, and when the data logic channel receives data of an upper-level device or a lower-level device, the data logic channel does not actively forward the data to the uplink interface or the downlink interface (for an AU device, the data is not actively forwarded to other optical interfaces). Therefore, after receiving data through a data logic channel of a certain optical port, the RU device can identify the data of the uplink port or the downlink port; the AU device can recognize which optical port is data, and the recognition capability provides a basis for the device to intelligently judge the direction of data flow. Based on the design of the data link, when a plurality of devices are cascaded, data sent by the AU through the downlink data link can only be received by the RU device (i.e. the first-stage RU device) directly connected to the AU, and other RUs on the link cannot receive the data. When the RU equipment is cascaded with the RU equipment, the RU equipment transmits data through a downlink data link, and only the next-stage RU equipment can receive the data; the data sent by the RU device through the uplink data link can be received only by the upper-level RU device or the AU device.
The AU device comprises an addressing command sending module, an addressing processing module, an addressing command receiving module and a topology information processing module. The RU equipment comprises an addressing command sending module, an addressing processing module and an addressing command receiving module. The functional block diagram of the AU device and the RU device is shown in fig. 1.
The addressing command is framed according to the addressing command data frame format, the data content comprises link address information and node address information, the link address information refers to information that the RU equipment is positioned on a certain optical link of the AU equipment, if the information is sent from the No. 1 optical port of the AU equipment, the link address information is 1, and all the RU link address information on one link is the same. The AU device has four light paths, and the link address information is 1, 2, 3 and 4 in sequence. AU devices can distinguish four optical ports by physical port. Therefore, when the AU issues the address command, the correct link address information can be filled in the address command.
The node address information refers to address information of the device in a link, the node address information of the AU is fixed to be 0, the RU node information of each link hung under the AU is accumulated in sequence, the maximum number of cascade links can be designed for a link, for example, 8-level cascade devices, and the node address numbers are 1-8 respectively.
An addressing processing module of the AU equipment generates an addressing command, a command data frame comprises link address information and node address information of the AU equipment, the data frame is designed to be an attribute needing to be responded, a request data frame is formed according to the addressing command data frame format, and after receiving the command, the next-stage equipment needs to return response data to the previous-stage equipment.
The addressing processing module of the AU device further includes generating a maximum cascade device information table corresponding to each link through the maximum node address information of the link reported by each link RU device, and sending the information to the topology information processing module.
And the addressing command sending module of the AU equipment updates and checks the link address information according to the sent physical link, encapsulates the data frame into physical link layer information and sends the physical link layer information out through a downlink data link.
An addressing command receiving module of the next-level RU equipment of one link of the AU equipment monitors whether data is received in the link in real time, when the data is monitored to be received, a check value of the received data is calculated, and if the check value is inconsistent with the check value in the data, the data is discarded; and if the check value is correct, sending the data to an addressing processing module of the RU equipment.
The RU equipment sets the link address information of the upper-level equipment as the link address of the RU equipment, adds one to the node address information of the upper-level equipment to form the node address information of the RU equipment, namely updates the link address information and the node address information of the RU equipment. Meanwhile, the addressing processing module of the RU equipment generates a response data frame of the addressing command, fills the link address information of the equipment and the maximum node address information known by the RU equipment, and sends the response data frame to the addressing command sending module.
And after receiving the response data frame sent by the addressing processing module, the addressing command sending module of the RU equipment sends the response data frame to the upper-level equipment through an uplink, and informs the upper-level equipment of the maximum node address information known by the RU equipment.
The addressing processing module of the RU equipment judges the maximum node address information, wherein the maximum node address information refers to that the RU equipment selects a larger value to update the maximum node address information known by the equipment by judging the maximum node address information reported by the next-level equipment and the node address information of the equipment. If an RU device does not have a next level device, the maximum node address information for the RU is equal to the node address information for the RU.
And the addressing processing module block of the RU equipment judges the maximum node address information and simultaneously generates an addressing command at regular time, and generates a request data frame according to the data frame format of the addressing command, wherein the link address information in the request data frame is the updated link address information of the RU equipment, and the node address information is the updated node address information of the RU. The attribute of the request data frame is set as the response data, and the generated request data frame is sent to an addressing command sending module of the RU equipment.
After receiving the data of the addressing processing module of the RU device, the addressing command sending module of the RU device does not need to change the link address information in the addressing command request data frame, and sends the request data frame to the next level device through the downlink after encapsulating the physical link layer information in the request data frame.
And the addressing command sending module of the RU equipment adds different physical link layer information to the corresponding data frame according to different types of the data frame sent by the data processing module. And responding to the data frame encapsulation uplink data link information, requesting the data frame encapsulation downlink data link information, and respectively sending the data frame encapsulation downlink data link information and the data frame encapsulation downlink data link information through an uplink data link and a downlink data link.
An addressing command receiving module of the AU equipment polls the data receiving condition of each link at regular time, calculates the check value of the received data after monitoring that the data is received, and discards the data if the check value is inconsistent with the check value in the data; and if the check value is correct, sending the data to an addressing processing module of the RU equipment.
And after receiving the response information of the link, the addressing processing module of the AU equipment compares the link address information, judges the maximum node address information of each link according to the link address information index, and the node address information received by the AU equipment is the maximum node address information reported by the first-level RU equipment of the link.
The reporting of the maximum node address information by the RU equipment is a dynamic updating process, so that the updating of the maximum node address information by the addressing processing module of the AU equipment is also a dynamic process, after the data of the maximum node address information is stable, the cascade information table of each link is updated, and the cascade information table is sent to the topology information processing module of the AU equipment.
The topology information processing module of the AU equipment updates the cascade information table of each link in real time, updates the topology information table of the equipment, knows that the AU equipment of the system has a plurality of chains according to the maximum number of each link and the cascade equipment, each chain has a plurality of levels of equipment, and generates a topological graph of the system equipment through the topology information table.
The maximum node address information learned by each level of RU equipment is a dynamic updating process, the last level of RU equipment can identify the real maximum node address information of the chain, the maximum address information is transmitted to the AU equipment through an uplink data link step by step through a response data frame of an addressing command, at the moment, the dynamic updating process of the maximum node address information of the link RU equipment reaches a stable state, and correspondingly, a topology information list of the AU equipment also undergoes a process from dynamic updating to stable.
When the RU equipment in the system has the actions of replacement, deletion and addition in the actual application process, the maximum node address information and the topology information list in the system go through a process from dynamic update to stable.
And the addressing processing module of the RU equipment acquires the addressing request information of the superior equipment in real time and also acquires the addressing response information of the subordinate equipment in real time. And updating the maximum node address information known by the RU equipment in real time according to the addressing response information of the lower-level equipment, and returning the maximum node address information to the upper-level equipment through response data. If a certain RU device does not receive the response data of the addressing command, the RU device is judged to be the last level device, and the maximum node address information known by the RU device is the node address information of the RU device. And reporting step by step through the addressing response command, wherein after the addressing process is dynamically updated to be stable, the maximum node address information acquired by each RU device on one link is the same.
The addressing processing module of the AU equipment acquires addressing response information of each link in real time, the maximum node address information in the response information is stable after a dynamic process, and the AU equipment can acquire cascade quantity information of each link at the moment. The maximum number of cascaded devices per link is the maximum node address information of the link. And the addressing processing module of the AU equipment transmits the maximum design cascade number to the RU equipment of each link through the broadcast link.
If the addition, deletion and replacement of RU equipment exist in the system, the scheme can update the cascade information of each link in real time, and AU equipment can obtain a cascade information table updated in real time through an addressing processing module.
And the topology information collection module of the AU equipment updates the cascade information table obtained by the addressing processing module of the AU equipment in real time, and the topology information graph of the system can be obtained according to the number of the links and the maximum cascade equipment number of each link.
After the RU device receives the maximum design concatenation number broadcast by the AU device, it can generate unique monitoring management information in the system according to the link address information and the node address information, where the monitoring management information includes a device number, an IP address, an MAC address, and the like. The calculation method of the equipment number comprises the following steps: the device number is (link address information-1) × maximum design concatenation number + node address information. The calculation method of the last byte of the management IP address and the MAC address of the RU equipment comprises the following steps: offset value provided by AU + device number.
In order to fully understand the method of the present invention, the analysis is implemented based on the following monitoring system of the fiber distribution system.
The system is composed of AU equipment and RU equipment, the AU equipment is used as an access unit, 4 optical ports are arranged for connecting the RU equipment, each optical port can be cascaded with 8 levels of RU equipment, and the networking schematic diagram is shown in figure 2.
And an addressing processing module of the AU equipment sends addressing commands through each optical port at regular time, in each addressing command, link address information is 1, 2, 3 and 4 in sequence according to the optical port position, the link address information corresponds to the optical port position one by one, and the node address information is 0.
In the link hung under the optical port 1, the link address information is 1, after receiving the addressing command, the first-stage RU device parses data according to the addressing protocol frame, updates the link address information of the present-stage RU device to 1, updates the node address information of the present-stage RU device to 1(0+1), and returns a response data frame requesting the addressing command, where the link address information is 1 and the maximum node address information is 1 (the maximum node address information is dynamically updated in the response data of the next-stage RU device, and therefore the maximum node address information reported to the previous-stage RU device by the present-stage RU device is also dynamically updated).
The addressing processing module of the first-level RU equipment sends an addressing command to the next-level RU equipment (namely, the second-level RU equipment) through a downlink data link, wherein in the addressing command, the link address information is 1, and the node address information is 1.
After receiving the addressing command sent by the upper-level RU device, the second-level RU device parses the data according to the addressing protocol frame, updates the link address information of the current-level device to 1, and updates the node address information of the current-level device to 2(1+1), and returns a response data frame requesting the addressing command, where the link address information is 1 and the maximum node address information is 2 (the maximum node address information is dynamically updated in the response data of the lower-level device, and therefore, the maximum node address information reported to the upper-level by the current-level device is also dynamically updated).
The RU equipment simultaneously sends an addressing command to the next-stage RU equipment through the addressing processing module and the downlink data link, wherein in the addressing command, the link address information is 1, and the node address information is 2.
In this way, the seventh-level RU device updates the node address to 7, and simultaneously sends an addressing command to the next-level RU through the downlink data link, where the link address information is 1 and the node address information is 7 (the maximum node address information is dynamically updated in the response data of the next-level device, and therefore the maximum node address information reported to the previous-level device by the current-level device is also dynamically updated).
After receiving the addressing command sent by the upper-level RU device, the eighth-level RU device analyzes data according to the addressing protocol frame, updates the link address information of the current-level RU device to be 1, simultaneously updates the node address information of the current-level RU device to be 8(7+1), and simultaneously returns a response data frame requesting the addressing command, wherein the link address information is 1, and the maximum node address information is 8.
The eighth-level RU equipment simultaneously sends the addressing command through the downlink data link, and because no RU equipment which continues to be cascaded exists, the eighth-level RU equipment cannot receive response data of the addressing command, and at the moment, the eighth-level RU equipment identifies that the current-level equipment is the last-level equipment, determines that the learned maximum node address information is 8, and responds the maximum address information to the seventh-level RU equipment by the addressing processing module.
After receiving the response data of the addressing command sent by the eighth-level RU device, the seventh-level RU device resolves that the maximum node address information known by the eighth-level RU device is 8 according to the addressing command, and the addressing processing module of the seventh-level RU device compares the maximum node address information 8 with the node address information 7 of the current-level device, and updates the maximum node address information 8 obtained by comparison to the maximum node address information of the current-level device. When the seventh-level RU device responds to the sixth-level RU device with the addressing command, the maximum node address information is updated to 8.
By analogy, the maximum node address information is finally stabilized as the maximum node address information 8 of the link in the dynamic interaction of the uplink and downlink data links, and the number of the link cascade where the optical port 1 is located obtained by the AU device at this time is 8 RU devices.
Similarly, the link address information of the link hung below the second optical port is 2, and according to the analysis idea of the first optical port, the maximum node address information obtained by the second link is 6.
The third optical port, link address information 3, and maximum node address information 5.
The fourth optical port, link address information 4, and maximum node address information 2.
And the AU equipment updates the stable topology information table into:
| belonging light port | Link address information | Maximum number of cascade (maximum node address information) |
| 1 | 1 | 8 |
| 2 | 2 | 6 |
| 3 | 3 | 5 |
| 4 | 4 | 2 |
The AU equipment can intelligently identify the topological structure of the system according to the topological information table to generate a topological structure chart; meanwhile, the topology information table can also be uploaded to a network management center, and the network management center forms the system topology structure chart after receiving the information.
After the RU device receives the maximum node address information broadcast by the AU device, it can generate unique monitoring management information in the system according to the link address information and the node address information, where the monitoring management information includes a device number, an IP address, an MAC address, and the like. The calculation method of the equipment number comprises the following steps: the device number is (link address information-1) × maximum design concatenation number + node address information. The calculation method of the last byte of the management IP address and the MAC address of the RU equipment comprises the following steps: offset value provided by AU + device number. And generating unique monitoring management information in the system.
In the example, the RU promises 192.168.2 for the first three bytes of the IP address, 11:22:33:44:55 for the first five bytes of the MAC address, 10 for the promissory offset value, and synchronizes the fourth byte of the IP address with the sixth byte of the MAC address, and the topology implementation of the system is shown in fig. 3:
the equipment number of the first-stage RU equipment under the optical port 1 is 1, the IP address is 192.168.2.11, and the MAC address is 11:22:33:44:55: 11;
the equipment number of the eighth-level RU equipment under the optical port 1 is 8, the IP address is 192.168.2.18, and the MAC address is 11:22:33:44:55: 18;
the equipment number of the first-stage RU equipment under the optical port 2 is 9, the IP address is 192.168.2.19, and the MAC address is 11:22:33:44:55: 19;
the equipment number of the sixth-level RU equipment under the optical port 2 is 14, the IP address is 192.168.2.24, and the MAC address is 11:22:33:44:55: 24;
the equipment number of the first-stage RU equipment under the optical port 3 is 17, the IP address is 192.168.2.27, and the MAC address is 11:22:33:44:55: 27;
the equipment number of the fifth-level RU equipment under the optical port 3 is 21, the IP address is 192.168.2.31, and the MAC address is 11:22:33:44:55: 31;
the first stage of RU equipment under optical port 4 has a device number of 25, an IP address of 192.168.2.35, and a MAC address of 11:22:33:44:55: 35.
The second level of RU equipment under optical port 4 has a device number of 26, an IP address of 192.168.2.36, and a MAC address of 11:22:33:44:55: 36.
The method and the system for realizing the automatic topological structure provided by the embodiment of the invention at least have the following technical effects:
AU equipment can automatically identify system monitoring topology information in real time, and the problems of difficult opening and difficult maintenance in monitoring and maintenance of an optical fiber distribution system are solved; the monitoring management information of the RU equipment can correspond to the system monitoring topology information one by one, so that clear monitoring management topology can be generated, and intelligent monitoring of the optical fiber distribution system is realized.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (7)
1. An automatic topology implementation method is characterized by comprising the following steps:
the AU equipment and the RU equipment form a cascade information table based on an addressing command flow;
the AU equipment generates a topology information table according to the cascade information table;
according to the topology information table, the AU equipment generates a topology structure chart, and the RU equipment generates monitoring management information;
updating the cascade information table when the RU equipment is added, deleted or replaced;
the AU equipment updates the topology information table, and the RU equipment updates monitoring management information;
the addressing command flow comprises the following steps:
the AU equipment generates addressing command request information, the addressing command request information comprises link address information and node address information, and the AU equipment updates the link address information according to different optical ports;
the AU equipment sends the addressing command request information to different optical port downlink data links according to different link address information;
the RU equipment receives the addressing command request information and analyzes the link address information of the upper-level equipment and the node address information of the upper-level equipment;
the RU equipment updates the link address information of the current-stage equipment to be the link address information of the previous-stage equipment, and the RU equipment updates the node address information of the current-stage equipment to be the node address information of the previous-stage equipment plus one;
the RU equipment sends response information to the upper-level equipment, wherein the response information comprises the maximum node address information known by the current-level equipment;
the RU equipment compares the node address information of the current-stage equipment with the maximum node address information known by the next-stage equipment in the response information, and updates the larger value obtained by comparison into the maximum node address information known by the current-stage equipment;
and the AU equipment updates the maximum node address information of each link.
2. The automatic topology realization method of claim 1, wherein the monitoring management information comprises device number, IP address, MAC address.
3. The method for implementing an automatic topology according to claim 2, wherein the calculation method of the device number is:
the device number is (link address information-1) maximum design cascade number + node address information;
and comparing the maximum node address information of the plurality of links, taking the maximum value as the maximum design cascade number, sending the maximum design cascade number by the AU equipment through a broadcast link channel, and receiving the maximum design cascade number by each RU equipment through the broadcast link channel.
4. The automatic topology realization method of claim 2, wherein the first three bytes of the IP address are set, the first five bytes of the MAC address are set, and an offset value is set; the calculation method of the last byte of the IP address and the MAC address comprises the following steps: offset value + device number.
5. An automatic topology implementation system, comprising:
AU equipment and RU equipment, the AU equipment has a plurality of optical ports, and each optical port is cascaded with a plurality of RU equipment;
a broadcast link channel and a data link channel, the data link channel comprising an uplink data link and a downlink data link;
the AU equipment comprises a first addressing command sending module, a first addressing processing module, a first addressing command receiving module and a first topology information processing module;
each RU device comprises a second addressing command sending module, a second addressing processing module and a second addressing command receiving module;
the RU equipment connected with the optical port is first-level RU equipment, the first addressing command sending module of the AU equipment is connected with the second addressing command receiving module of the first-level RU equipment, and the first addressing command receiving module of the AU equipment is connected with the second addressing command sending module of the first-level RU equipment;
the second addressing command sending module of the nth level of RU equipment is connected with the second addressing command receiving module of the previous level of RU equipment, and the second addressing command receiving module of the nth level of RU equipment is connected with the second addressing module sending module of the previous level of RU equipment; wherein n is an integer greater than or equal to 2;
the automatic topology implementation system is used for implementing the steps in the automatic topology implementation method according to any of claims 1-4.
6. The automatic topology realization system of claim 5, wherein said first addressing processing module is configured to address data framing of command request information and response information, parse response information, update maximum node address information, and update a cascade information table;
the first addressing command sending module is used for updating the link address information in the addressing command request information and sending the addressing command request information;
the first addressing command receiving module is used for receiving response information;
the first topology information processing module is used for updating a topology information table and generating a topology structure chart.
7. The automatic topology structure realization system of claim 5, wherein the second addressing processing module is configured to address data framing of command request information and response information, parse the addressing command request information and response information, update link address information, and update node address information; updating the address information of the maximum node, judging whether the node is the final-stage equipment or not, and generating monitoring management information;
the second addressing command receiving module is used for receiving addressing command request information sent by the superior device and receiving response information sent by the subordinate device;
the second addressing command sending module is used for sending response information to the upper-level equipment through an uplink; and sending the command compiling request information to the next-level equipment through a downlink data link.
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