CN115643504A - Method for automatic synchronous configuration of dual-homing PON protection - Google Patents
Method for automatic synchronous configuration of dual-homing PON protection Download PDFInfo
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Abstract
The invention discloses a method for automatic synchronous configuration of dual home PON protection, which comprises the following steps: after two butt-jointed OLTs simultaneously start the dual homing PON protection function, a protection group is established according to the template binding condition; establishing a unique ID template on any one OLT, synchronizing to an opposite-end OLT through a communication system and establishing the unique ID template, wherein the two OLTs have the templates with the same ID; binding a template on any OLT to a PON port in a protection group, and if the PON port belongs to a certain dual-homing protection group, sending the ID of the template to an opposite-end OLT by the OLT; the OLT binds the templates with the same ID according to the received ID; when an ONU located on any OLT is registered, configuration is extracted from a template of the OLT and issued to the ONU through an OMCI or an OMCI stack of the ONU is modified; and meanwhile, synchronizing registration information to the opposite-end OLT to complete the registration of the opposite-end ONU. The invention can ensure and enhance the reliability and efficiency of configuration synchronization.
Description
Technical Field
The invention relates to the technical field of GPON protection, in particular to a method for automatically and synchronously configuring dual home PON protection.
Background
At present, to realize dual-homing PON protection, PON configuration and ONU configuration under the same protection group need to be synchronized, so that the service of the ONU can continue to work normally only when inverted. In the prior art, configured synchronization needs to be sent in units configured by a single PON or ONU through a communication system, and after receiving the configuration, the OLT at the opposite end needs to analyze a configuration message and send the configuration message to the ONU or PON. One PON port has 128 ONUs on line at most, one OLT has 16 PON ports at most, and in extreme cases, the configuration may need to be sent thousands of times, so that the high-frequency synchronization is undoubtedly risky to lose the configuration, the configuration may also be changed accidentally during the transmission process, and analyzing data and issuing the configuration also bring great burden to the CPU at the opposite end.
Disclosure of Invention
In order to solve the problems of the defects and shortcomings of the prior art, the invention provides a method for automatically and synchronously configuring dual-homing PON protection, which reduces the sending times and the content size of configuration in a PON protection group and enhances the reliability and the efficiency of configuration synchronization.
In order to achieve the purpose of the invention, the technical scheme is as follows:
a method for automatic synchronous configuration of dual-homing PON protection comprises the following steps:
s1: after two butt-jointed OLTs simultaneously start the dual homing PON protection function, a protection group is established according to the template binding condition;
s2: establishing a unique ID template on any OLT, synchronizing to an opposite OLT through a communication system and establishing the unique ID template, wherein the two OLTs have templates with the same ID and content; completing the template configuration and synchronization of the two OLTs;
s3: binding a template on any OLT to a PON port in a protection group, and if the PON port belongs to a certain dual-homing protection group, sending the ID of the template to an opposite-end OLT by the OLT; the OLT at the opposite end binds the templates with the same ID according to the received ID, thereby completing the template binding of the PON port in the protection group;
s4: when an ONU located on any OLT is registered, configuration is extracted from a template of the OLT and issued to the ONU through an OMCI, or the configuration is extracted from the template of the OLT to modify an own OMCI stack; and meanwhile, synchronizing registration information to the opposite-end OLT to complete the registration of the opposite-end ONU.
Preferably, the template is a configuration format, which includes various service configurations of the ONU, and the applicable object is a PON port or an ONU.
Further, the configurable templates include the following:
ONU Profile is the basic information of ONU, critical range;
DBA Profile: dynamic bandwidth allocation;
traffic Profile: browsing configuration;
line Profile: configuring a circuit;
service Profile: service configuration;
alarm Profile: alarm configuration;
pri Profile: private OMCI configuration;
IGMP Profile: multicast related configuration;
format Profile: and (5) configuring the format.
Furthermore, the OLT which actively configures the protection group is used as a master device, and the configured OLT is used as a slave device;
when a protection group is established, two conditions need to be satisfied:
condition 1: no template exists in the master device, so that conflict with the slave device is prevented;
condition 2: the PON added to the protected group in the master device and the slave device has no bound template;
when the conditions are satisfied, a protection group is established, and the master device and the slave device establish a TCP/IP communication link for message transmission.
Preferably, in step S2, when the OLT at the opposite end receives the new template information, it first checks whether the OLT at the opposite end has a template with the same ID, and if yes, rejects the synchronization template; if not, a template with the same ID and content is established on the end OLT.
Preferably, in step S3, when the opposite OLT receives the template binding request, it first checks whether there is a template with the same ID on the opposite OLT, and if there is a template with the same ID, then binding is performed; if not, returning binding failure information to the opposite side, and after receiving the failure information, the opposite side does not bind the template to the PON port.
Preferably, when an ONU located on any one OLT is deleted, the deletion information is synchronized to the opposite end, and the ONU at the opposite end is correspondingly deleted; when re-registering, the ONUs read the configuration from the template on the respective OLT.
Preferably, after the protection group is established, the configured templates are automatically synchronized to the OLTs at the two ends and stored; when a new PON port is added to a new protection group, if the same template is used, only the ID of the template needs to be synchronized.
A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method as described above when executing the computer program.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method as described above.
The invention has the following beneficial effects:
the method of the invention can reduce the number of configuration synchronization and the size of the total content in the dual-homing PON protection. And when the ONU is registered, the configuration is directly extracted from the corresponding OLT template, so that the possibility that the error configuration which is accidentally modified in the transmission process is issued to the PON and the ONU can be reduced, and the reliability of the service is enhanced. The invention enhances the reliability of configuration synchronization between two OLTs, enables the efficiency to be more efficient, and reduces the error probability during synchronization. Assuming that 128 ONUs are on a PON port, the new method can reduce the number of configuration information from the original possible number of configuration information to tens of configuration information, thereby greatly reducing the error probability and improving the synchronization efficiency.
Drawings
Fig. 1 is a flowchart illustrating steps of a method for configuring dual-homed PON protection automatic synchronization according to embodiment 1.
Fig. 2 is a flowchart of steps of a dual-homed PON protection function opening and protection group configuration in embodiment 1.
FIG. 3 is a flowchart showing the steps of the configuration and automatic synchronization flowchart of the template in embodiment 1.
Fig. 4 is a flowchart of template binding for protecting PON ports in a group according to embodiment 1.
Fig. 5 is a flowchart of ONU registration according to embodiment 1.
Fig. 6 is a schematic diagram illustrating a dual-homing PON protection function of a two-end OLT apparatus in embodiment 2.
Fig. 7 is a schematic diagram of protecting group information in embodiment 2.
FIG. 8 is an initial state diagram of Line Profile of example 2.
Fig. 9 is a schematic diagram of failure to add Line Profile in example 2.
FIG. 10 is a schematic representation of the success of example 2 in adding Line Profile.
Fig. 11 is a diagram illustrating a Tcont configuration in the setup Line Profile in embodiment 2.
Fig. 12 is a schematic diagram of a PON port binding template according to embodiment 2.
Fig. 13 is a schematic diagram of ONU registration information according to embodiment 2.
Fig. 14 is a schematic diagram of ONU Tcont configuration information according to embodiment 2.
Detailed Description
The invention is described in detail below with reference to the drawings and the detailed description.
Example 1
Under the traditional technology, configuration synchronization can only be achieved by taking a single PON or ONU as a unit and sending the configuration by one PON or ONU to achieve the synchronization effect. For example, tcont of an ONU needs to be configured, and after the ONU under the PON of the main OLT configures parameters of tcont, the parameters need to be transmitted to the slave OLT through the communication system, analyzed, and then sent to the slave PON. If there are 128 ONUs under a PON, the configuration of tcont needs to be transferred 128 times.
In order to ensure and enhance the reliability and efficiency of configuration synchronization, this embodiment further provides a method for dual-homing PON protection automatic synchronization configuration under the method of supporting the original configuration synchronization, that is, a configuration template is used for configuration synchronization, and the method includes the following steps:
s1: after the two butt-jointed OLTs simultaneously start the dual homing PON protection function, a protection group is established according to the template binding condition.
In a specific embodiment, the OLT of the active configuration protection group serves as a master device, and the configured OLT serves as a slave device;
when a protection group is established, two conditions need to be satisfied:
condition 1: no template exists in the master device, so that the conflict with the slave device is prevented;
condition 2: the PON added to the protected group in the master device and the slave device has no bound template;
when the conditions are satisfied, a protection group is established, and the master device and the slave device establish a TCP/IP communication link for message transmission.
The specific flow of step S1 in this embodiment, as shown in fig. 2,
s101: and powering on the master equipment and the slave equipment, and turning on the dual-homing PON protection function.
S102: the master device configures a protection group, and a user inputs an ip address of the slave device and a paired PON port and clicks and submits the ip address and the paired PON port; the master device first checks whether a template exists, if so, immediately returns and displays the configuration failure, and if not, executes step S103.
S103: the master then attempts to connect to the slave; the slave equipment receives the connection request, analyzes the message and acquires a PON port needing to be added into the protection group, checks whether the PON port is bound with the template, if so, returns a message of refusing to establish the group to the master equipment, and the master equipment displays that the configuration fails; if not, the slave device adds a protection group in the local machine and returns the success of group establishment to the master device.
S104: and the master equipment receives the establishment success message and adds the protection group to the master equipment, thereby completing the establishment of the protection group.
S2: establishing a unique ID template on any one OLT, synchronizing to an opposite-end OLT through a communication system and establishing the unique ID template, wherein the two OLTs have the templates with the same ID; and completing the template configuration and synchronization of the two OLTs.
In a specific embodiment, in step S2, when the OLT at the opposite end receives the new template information, it is checked whether the OLT at the opposite end has a template with the same ID, and if yes, the OLT rejects the synchronization template; if not, a template with the same ID and content is established on the end OLT. The specific flow of step S2 is shown in fig. 3.
In this embodiment, when the protection group is set, the configuration setting performed in any one OLT is synchronized to another OLT.
However, since the slave device may have an old template, when any OLT device adds a new template, it will first query whether the OLT device on the opposite end has a template with the same ID, and if so, the ID is not allowed to be used for template addition.
S3: binding a template on any OLT to a PON port in a protection group, and if the PON port belongs to a certain dual-homing protection group, sending the ID of the template to an opposite-end OLT by the OLT; the OLT at the opposite end binds the templates with the same ID according to the received ID, thereby completing template binding of the PON port in the protection group, and the flow of template binding is shown in fig. 4.
In a specific embodiment, in step S3, when the opposite OLT receives the binding template request, it first checks whether there is a template with the same ID on the opposite OLT, and if yes, it binds; if not, returning binding failure information to the opposite side, and after receiving the failure information, the opposite side does not bind the template to the PON port.
In this embodiment, after the template is set, the template may be bound to the PON port in the protection group, and at this time, only one OLT needs to be operated, and the ID of the template is transmitted to another OLT through the network, so that the PON port on the opposite end is also bound to the template with the same ID (that is, the same content).
However, since there is a possibility that an old template exists in the slave device, it should be queried whether the template exists on the OLT or not when the binding template of the PON port in the group is protected, and if the template does not exist, the binding fails.
S4: when an ONU located on any OLT is registered, configuration is extracted from a template of the OLT and issued to the ONU through an OMCI, or the configuration is extracted from the template of the OLT to modify an own OMCI stack; and meanwhile, synchronizing registration information to the opposite-end OLT to complete the registration of the opposite-end ONU.
In this embodiment, if the ONU is deleted, the ONU at the opposite end is also deleted, and when re-registering, the ONU reads the configuration from the template on the respective OLT.
In this embodiment, the flow of the ONU registration steps is shown in fig. 5.
S401: the ONU is online on the main equipment OLT and synchronously registers information to the slave equipment OLT;
s402: the PON ports at the two OLT sides respectively check whether binding templates exist, and if the binding templates exist, the configuration is extracted from the templates of the OLT and issued to the ONU through the OMCI or the OMCI stack of the ONU is modified.
In a specific embodiment, the template is a configuration format, which includes various service configurations of the ONU, and the applicable object is a PON port or an ONU.
In one particular embodiment, the configurable templates include the following:
ONU Profile is the basic information of ONU, critical range;
DBA Profile: dynamic bandwidth allocation;
traffic Profile: browsing configuration;
line Profile: configuring a circuit;
service Profile: service configuration;
alarm Profile: alarm configuration;
pri Profile: private OMCI configuration;
IGMP Profile: multicast related configuration;
format Profile: and (5) configuring the format.
In a specific embodiment, when an ONU located on any one OLT is deleted, the deletion information is synchronized to the opposite end, and the ONU of the opposite end is correspondingly deleted; when re-registering, the ONUs may read the configuration from the template on their respective OLTs.
In a specific embodiment, after a protection group is established, the configured templates are automatically synchronized to the OLTs at the two ends and stored; when a new PON port is added to a new protection group, if the same template is used, only the ID of the template needs to be synchronized, and it is not necessary to send the configuration of the same content to the opposite OLT.
In this embodiment, the PON port of the binding template issues the same configuration to the lower ONU according to the content in the format.
The template is used for being bound on the PON port, when the ONU registers on line at the PON port, the PON and the ONU can be issued by directly using the configuration which is set on the template, so that the aim of configuring the PON and the ONU is fulfilled. The different templates are distinguished by using IDs, and in this embodiment, each template corresponds to a unique ID.
When a protection group is established between two OLTs, a newly-built template at any end can be automatically synchronized to the other end. When a PON port of the OLT at one end is bound with a specific template, the ID of the template is also sent to the PON port at the opposite end, so that the PON port at the opposite end is also bound with the template with the same ID. In this case, when the ONU is on line at the PON port of the master device, the PON port of the slave device synchronizes the same ONU registration information, but the configuration information does not need to be synchronized by the communication system, and it is sufficient to read the configuration information from the template on the respective OLT based on the bound ID.
The method for synchronizing the templates can reduce the number of configured synchronization times and the size of the total content in the dual-homing PON protection. And the configuration is taken from the OLT, so that the possibility that the error configuration which is accidentally modified in the transmission process is issued to the PON and the ONU can be reduced, and the reliability of the service is enhanced.
Example 2
Based on the method for configuring dual home PON protection automatic synchronization described in embodiment 1, this embodiment takes a specific practical example so that both the configurations of the protection group and the template described in this embodiment can be configured in the command line and the web page, and the following example takes the configuration in the web page as an example.
In each of the drawings described below, the left interface is the master OLT, and the right interface is the slave OLT.
Firstly, turning on switches for dual-homing PON protection of two pieces of OLT equipment, as shown in fig. 6;
secondly, a protection group is configured, in this example, the master OLT uses the PON5, the slave OLT uses the PON8, IP addresses of the two OLTs are input, and the Submit is clicked to add the protection group. After the addition, there is information of the corresponding protected group on the interface of the two devices, as shown in fig. 7.
And step three, configuring a template, taking configuring Line Profile as an example. As can be seen from fig. 8, there is no Line Profile on the master OLT, but there is one Line Profile (ID 1) on the slave OLT, and at this time, if a Line Profile with ID 1 is added at the master OLT, an error is reported (as shown in fig. 9). Therefore, a template named "example _ Line _ Profile" with ID 2 is added to the main device OLT, as shown in fig. 10, both sides have Line profiles with ID 2, and the Line profiles are edited, and as an example of configuring Tcont, one side is configured, and the configuration is synchronized to the other side, as shown in fig. 11.
Fourthly, as shown in fig. 12, the PON port binding template is bound with the OLT at one end and the OLT at the other end is bound with the same template.
Fifthly, the ONU registers to be on line, and after the ONU is on line, the PON takes the configuration from the bound template and issues the configuration to the ONU (only Tcont in the example). After the ONU is registered, both sides have the information of the ONU, the ONU on the main PON port is displayed in an online state, the ONU on the opposite PON port is in an offline state (fig. 13), the ONU configuration is clicked to check, and the tconts on both sides are configured (fig. 14), so that the ONU configuration is synchronously completed.
Example 3
A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method for dual-homed PON protection automatic synchronization configuration according to embodiment 1 when executing the computer program.
Where the memory and processor are connected by a bus, the bus may comprise any number of interconnected buses and bridges, the buses connecting together one or more of the various circuits of the processor and the memory. The bus may also connect various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface provides an interface between the bus and the transceiver. The transceiver may be one element or a plurality of elements, such as a plurality of receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. The data processed by the processor is transmitted over a wireless medium via an antenna, which further receives the data and transmits the data to the processor.
Example 4
A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the method for dual-homed PON protection automatic synchronization configuration according to embodiment 1.
That is, as can be understood by those skilled in the art, all or part of the steps in the method for implementing the embodiments described above may be implemented by a program instructing related hardware, where the program is stored in a storage medium and includes several instructions to enable a device (which may be a single chip, a chip, or the like) or a processor (processor) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and various media capable of storing program codes.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A method for automatic synchronous configuration of dual-homing PON protection is characterized in that: the method comprises the following steps:
s1: after two butted OLTs simultaneously start the dual homing PON protection function, a protection group is established according to the template binding condition;
s2: establishing a unique ID template on any one OLT, synchronizing to an opposite OLT through a communication system and establishing the unique ID template, wherein the two OLTs have templates with the same ID and content; completing the template configuration and synchronization of two OLTs;
s3: binding a template on any OLT to a PON port in a protection group, and if the PON port belongs to a certain dual-homing protection group, sending the ID of the template to an opposite-end OLT by the OLT; the OLT at the opposite end binds the templates with the same ID according to the received ID, thereby completing the template binding of the PON port in the protection group;
s4: when the ONU located on any OLT is registered, extracting configuration from a template of the OLT and issuing the configuration to the ONU through an OMCI, or extracting configuration from the template of the OLT and modifying an OMCI stack of the OLT; and meanwhile, synchronizing registration information to the opposite-end OLT to complete the registration of the opposite-end ONU.
2. Method for dual-homed PON protection auto-synchronization configuration according to claim 1, characterized in that: the template is a configuration format, which includes various service configurations of the ONUs, and the applicable object is a PON port or an ONU.
3. The method for dual-homed PON protection automatic synchronization configuration according to claim 2, wherein: configurable templates include the following:
ONU Profile is the basic information of ONU, critical range;
DBA Profile: dynamic bandwidth allocation;
traffic Profile: browsing configuration;
line Profile: configuring a circuit;
service Profile: service configuration;
alarm Profile: alarm configuration;
pri Profile: private OMCI configuration;
IGMP Profile: multicast related configuration;
format Profile: and (5) configuring the format.
4. The method for dual-homed PON protection automatic synchronization configuration according to claim 1, wherein: taking the OLT which actively configures the protection group as a master device, and taking the configured OLT as a slave device;
when a protection group is established, two conditions need to be satisfied:
condition 1: no template exists in the master device, so that the conflict with the slave device is prevented;
condition 2: the PON added to the protected group in the master device and the slave device has no bound template;
when the conditions are satisfied, a protection group is established, and the master device and the slave device establish a TCP/IP communication link for message transmission.
5. The method for dual-homed PON protection automatic synchronization configuration according to claim 1, wherein: s2, when the opposite OLT receives the new template information, whether the OLT has a template with the same ID or not is checked, and if yes, the synchronous template is rejected; if not, a template with the same ID and content is established on the end OLT.
6. The method for dual-homed PON protection automatic synchronization configuration according to claim 1, wherein: s3, when the opposite-end OLT receives the template binding request, whether a template with the same ID exists on the end OLT is checked firstly, and if yes, binding is carried out; if not, returning binding failure information to the opposite side, and after receiving the failure information, the opposite side does not bind the template to the PON port.
7. The method for dual-homed PON protection automatic synchronization configuration according to claim 1, wherein: when the ONU on any OLT is deleted, synchronizing the deletion information to the opposite terminal, and correspondingly deleting the ONU of the opposite terminal; when re-registering, the ONUs read the configuration from the template on the respective OLT.
8. The method for dual-homed PON protection automatic synchronization configuration according to claim 1, wherein: after the protection group is established, the configured templates are automatically synchronized to the OLTs at the two ends and stored; when a new PON port is added to a new protection group, if the same template is used, only the ID of the template needs to be synchronized.
9. A computer device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein: the processor, when executing the computer program, performs the steps of the method according to any of claims 1 to 8.
10. A computer-readable storage medium having stored thereon a computer program, characterized in that: the computer program, when executed by a processor, performs the steps of the method of any one of claims 1 to 8.
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