CN109842522B - Method and system for configuring communication routing resources - Google Patents
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Abstract
The invention discloses a system and a method for configuring communication routing resources, wherein the system comprises: the routing calculation triggering module is used for judging whether a routing triggering condition is met or not, and generating a service routing calculation application when the routing triggering condition is met; the service demand analysis module is used for determining a route calculation requirement according to service characteristics and determining a route calculation precondition when the service route calculation application is received; the route calculation module is used for determining a service route resource allocation result under the constraint of the service route calculation precondition according to the current service route configuration information and the route calculation requirement; the routing configuration module is used for configuring the service routing resources according to the service routing resource allocation result, and can also comprise a reliability analysis module which is used for carrying out reliability analysis on the service routing resource allocation result. The invention can satisfy the service transmission requirement and simultaneously give consideration to the reliability and the robustness of the network.
Description
Technical Field
The present invention relates to the field of power communication networks, and in particular, to a method and a system for configuring communication routing resources.
Background
In recent years, power backbone communication networks have become increasingly complex, and new power grid production services represented by protection private networks have been emerging, and power communication network equipment and power production services carried thereby have increased at a rate of 10% or more per year. Ensuring safe and reliable operation of power production business is the core of operation and maintenance work of power communication networks. The power communication network has the characteristics of complicated structure, diversified services and the like, and in the traditional power production service communication transmission resource allocation, the operation and maintenance personnel are usually relied on to manually allocate service transmission routes, so that the optimal arrangement of the global service transmission routes cannot be realized.
Disclosure of Invention
In view of the above, the present invention is directed to a method and a system for configuring communication routing resources.
Based on the above object, the present invention provides a system for configuring communication routing resources, comprising:
the routing calculation triggering module is used for judging whether a routing triggering condition is met, and generating a service routing calculation application and sending the service routing calculation application to the service demand analysis module when the routing triggering condition is met;
the service demand analysis module is connected with the route calculation triggering module and used for determining a route calculation requirement according to service characteristics and determining a route calculation precondition when receiving the service route calculation application;
the route calculation module is connected with the service demand analysis module and used for determining a service route resource distribution result under the constraint of service route calculation preconditions according to current service route configuration information and the route calculation requirements;
and the route configuration module is connected with the route calculation module and is used for configuring the service route resources according to the service route resource allocation result.
In one embodiment, the system further comprises:
the reliability analysis module is connected with the routing calculation module and is used for respectively analyzing the reliability of a plurality of schemes when the service routing resource distribution result comprises a plurality of schemes and determining an optimal scheme according to the reliability analysis result; and when the service routing resource allocation result comprises one scheme, determining the scheme as an optimal scheme.
In an embodiment, the reliability analysis module is further configured to perform reliability evaluation based on the network performance data after resource configuration, and determine whether to trigger the route calculation triggering module to determine whether the route triggering condition is satisfied according to an evaluation result.
In one embodiment, the system further comprises:
and the route configuration acquisition module is used for acquiring the current service route configuration information when the route triggering condition is not met.
In one embodiment, the route trigger condition includes: newly added service application, emergency detour application of interrupted service, or service batch optimization application.
The present invention also provides a method for configuring communication routing resources, which is applied to a system for configuring communication routing resources, and the method includes:
judging whether a route triggering condition is met;
when the route triggering condition is met, determining a route calculation requirement according to the service characteristics, and determining a route calculation precondition;
determining a service routing resource allocation result under the constraint of the routing calculation precondition according to the current service routing configuration information and the routing calculation requirement;
and configuring the service routing resources according to the service routing resource allocation result.
In an embodiment, the method further comprises:
when the service routing resource allocation result comprises a plurality of schemes, respectively analyzing the reliability of the plurality of schemes, and determining an optimal scheme according to the reliability analysis result; and when the service routing resource allocation result comprises one scheme, determining the scheme as an optimal scheme.
In an embodiment, the method further comprises:
and performing reliability evaluation based on the network performance data after resource configuration, and determining whether the routing triggering condition is met or not according to the evaluation result.
In an embodiment, the method further comprises:
and acquiring the current service route configuration information when the route triggering condition is not met.
In one embodiment, the route trigger condition includes: newly added service application, emergency detour application of interrupted service, or service batch optimization application.
From the above, it can be seen that the configuration method and system of communication routing resources provided by the present invention not only have strong versatility and are effectively oriented to the power production service, but also can automatically perform service routing calculation according to service characteristics and screen out an optimal path according to reliability analysis results under the conditions of new service requirements, emergency detour of interrupted services, batch optimization, and the like, so as to satisfy the service transmission requirements and simultaneously take into account the reliability and robustness of the network.
Drawings
Fig. 1 is a flowchart of a method for configuring communication routing resources according to an embodiment of the present invention;
fig. 2 is an exemplary diagram for determining a service routing resource allocation result according to an embodiment of the present invention;
fig. 3 is a flowchart of a method for configuring communication routing resources according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a configuration system of communication routing resources according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a configuration system of communication routing resources according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
Fig. 1 is a flowchart of a method for configuring communication routing resources according to an embodiment of the present invention, and as shown in fig. 1, the method may include the following steps:
step S201, the route calculation triggering module determines whether the route triggering condition is satisfied, and when the route triggering condition is satisfied, generates a service route calculation application and sends the service route calculation application to the service demand analysis module.
In an embodiment, the route calculation triggering module determines whether to start route calculation according to a route triggering condition, and determines that the route calculation can be started when the route triggering condition is satisfied, where the purpose of the route calculation is to reconfigure communication route resources, and then the route calculation triggering module generates a service route calculation application and sends the service route calculation application to the service demand analysis module.
In an embodiment, the route trigger condition may include: newly added service application, emergency detour application of interrupted service, or service batch optimization application. The emergency detour for interrupting the service may include equipment failure, optical cable interruption, performance degradation and the like, and the service batch optimization may include network topology change and the like.
For the new service application, a service unit that needs to apply for communication routing resources applies for a new service or changes a service flow in a TMS System (communication Management System) in an initiating manner, for example, a channel opening link in an extra-high voltage engineering production preparation phase needs to initiate a new service application.
For the emergency detour application of the interrupted service, in the actual work, when the conditions of important service off-line and the like occur, the emergency detour application of the interrupted service is initiated through an emergency channel made by operation and maintenance personnel, so that the operation reliability is improved.
For the service batch optimization application, when the network topology is changed in a large scale due to maintenance, infrastructure, technical improvement or the like, the operation mode of the original power production service has an optimization space, the reliability of the network route is reduced, and the batch optimization work of the carried service in the network is triggered.
In an embodiment, when the routing computation trigger module receives a new service application, or an emergency detour application for interrupting a service, or service batch optimization, it determines that the routing trigger condition is satisfied, and sends a service routing computation application to the service demand analysis module.
Step S202, the service requirement analysis module receives the service route calculation application, determines the route calculation requirement according to the service characteristics, determines the route calculation precondition, and sends the route calculation requirement and the route calculation precondition to the route calculation module.
In an embodiment, the service requirement analysis module may analyze the routing computation requirements of the service, such as the start node, the end node, and the service bandwidth requirement, in combination with the network service characteristics, and determine the computation constraint condition, i.e., the routing computation precondition, in combination with the actual production condition.
Specifically, in an embodiment, the service requirement analysis module may perform the route requirement analysis based on a service logic topology map carried in the connection between the device and the optical cable, and the analysis includes: the source node, the destination node, the nodes which need to pass through, the nodes which do not need to pass through, the service bandwidth requirement and other routing calculation requirements of the service.
In an embodiment, the service demand analysis module determines constraint conditions, such as time delay, independence, consistency and the like, meeting actual operation and maintenance requirements of the power communication network according to different production service types, and uses the constraint conditions as a routing calculation precondition of the routing calculation module. For example, for relay protection service types, the routing calculation requirements are that the one-way transmission delay of a communication channel should not be greater than 10ms, and the line longitudinal differential protection optical fiber channel should ensure that two-way routes are consistent, so that the minimum two-way delay difference is achieved.
The service may include: one or more of protection, security control, scheduling data network, integrated data network, scheduling exchange, and administrative exchange.
Step S203, the route calculation module calculates the idle route resource under the constraint of the precondition of the route calculation according to the current route configuration information and the route calculation requirement, and obtains the result of the route resource allocation.
The service routing resources may include resources such as routes, ports, and time slots.
In one embodiment, the routing configuration acquisition module retrieves network basic data from a network basic data platform and determines current service routing configuration information based on the network basic data.
Specifically, the network basic data platform comprises a professional network management system, a comprehensive network management system and a TMS system of the transmission equipment. The network basic data platform stores communication network basic resource data and attribution-based resource data.
The acquisition of the basic resource data of the communication network mainly comprises the following two parts:
1) the TMS system and the comprehensive network management system are interconnected with each professional network management system through a northbound interface, and acquire basic resource data of a communication network such as alarm information of transmission equipment and network resource configuration, such as information of an optical port, a time slot and the like, so that the acquisition and integration of logic information of the whole network are realized;
2) the superior TMS system realizes association of localized resource data and network logic information through cascade connection with the TMS systems of various localized units, wherein the localized resource data may include physical information of Optical cables, Fiber cores and the like, such as Optical Fiber Composite Overhead ground wires (OPGW Optical cables), Optical Fiber cables (All-Dielectric Self-supporting Optical cables), Optical Cable types of common cables and the like, Optical Cable length, total number of Optical cables, occupied number of cores, and number of vacant cores.
And the route configuration acquisition module determines the current service route configuration information based on the acquired basic resource data and the acquired home-based resource data of the communication network.
The route calculation module is a core working module for managing the whole route resource. In an embodiment, as shown in fig. 2, for an exemplary diagram of determining a service routing resource allocation result according to an embodiment of the present invention, a protection service is an important power generation service, and it is necessary to configure mutually independent active/standby communication channels for the protection service. The routing calculation module is used for calculating, the constraint conditions are that spare electric ports and spare optical ports are required to be arranged on the site A and the site C equipment, spare optical ports are required to be arranged on the site B and the site D equipment, and spare fiber core pairs are required to be arranged on both the OPGW optical cable and the ordinary cable. The routing computation requirements are: the reliability of the main communication channel is higher than that of the standby communication channel, and the main communication channel and the standby communication channel are independent.
In this example, the routing computation module computes an idle routing resource, that is, a service routing resource allocation result, under the constraint of a routing computation precondition according to the initial routing configuration information and the routing computation requirement, and includes: OPGW optical cable and ordinary cable.
And step S204, the route configuration module performs the configuration of the service route resources according to the service route resource allocation result.
In this embodiment, when the route trigger condition is satisfied, the route calculation requirement and the route calculation precondition are determined, and the idle resource is calculated under the constraint of the route calculation precondition based on the initial route configuration information and the route calculation requirement, so that the configuration of the communication route resource can be automatically performed according to the service transmission requirement, and the reliability and robustness of the network are considered while the service transmission requirement is satisfied.
Fig. 3 is a flowchart of another method for configuring communication routing resources according to an embodiment of the present invention; as shown in fig. 3, this embodiment differs from the embodiment shown in fig. 1 in that: after step S203, the following steps are also included:
step S204', the route calculation module sends the service route resource allocation result to the reliability analysis module.
Step S205', the reliability analysis module carries out reliability evaluation on the service routing resource allocation result and determines the optimal scheme according to the evaluation result.
In one embodiment, when the result of the service routing resource allocation is unique, the reliability analysis module determines the result as an optimal route; and when the service routing resource allocation result is not unique and comprises a plurality of allocation schemes, the reliability analysis module carries out reliability evaluation on the plurality of results to screen out the optimal route.
For example, as shown in the example in fig. 2, the routing calculation result, that is, the service routing resource allocation result, includes that the available resources are OPGW optical cables and ordinary cables, and it can be known through analysis of the reliability analysis module that: the OPGW optical cable is superior to a common cable in the aspects of optical cable strength, laying position and operation and maintenance, so that the reliability of the OPGW optical cable is higher than that of the common cable according to an evaluation result, and the reliability analysis module determines the OPGW optical cable as an optimal route, so that the OPGW optical cable is used for bearing a service channel, and the common cable is used for bearing a protection channel.
Step S206', the route configuration module carries out the distribution of the route resource according to the optimal route distribution scheme.
Step S207', the reliability analysis module monitors the network performance data after resource allocation in real time, and determines whether to trigger the route calculation triggering module to execute the judgment of whether the route triggering condition is satisfied based on the network performance data.
In one embodiment, the reliability analysis module performs reliability evaluation based on the network performance data, and when it is determined that the reliability of the traffic route is reduced, for example, below a certain threshold, the reliability analysis module re-triggers the route calculation triggering module to perform the judgment whether the route triggering condition is satisfied. The reliability evaluation should comprehensively consider various factors such as the running condition of the equipment, the bandwidth utilization rate, the running condition of the bearing optical cable and the like.
As shown in fig. 4, a schematic structural diagram of a system for configuring communication routing resources according to an embodiment of the present invention is provided, where the system includes: the system comprises a route calculation triggering module 10, a service requirement analysis module 20, a route calculation module 30 and a route configuration module 40.
The routing computation triggering module 10 is configured to determine whether a routing triggering condition is met, and when the routing triggering condition is met, generate a service routing computation application and send the service routing computation application to the service requirement analysis module 20;
the service demand analysis module 20 is connected with the route calculation triggering module 10, and is used for determining a route calculation requirement according to service characteristics and determining a route calculation precondition when receiving a service route calculation application;
a route calculation module 30, connected to the service requirement analysis module 20, for determining a service route resource allocation result under the constraint of a service route calculation precondition according to the current service route configuration information and the route calculation requirement;
and the route configuration module 40 is connected with the route calculation module 30 and is used for configuring the service route resources according to the service route resource allocation result.
As shown in fig. 5, a schematic structural diagram of a configuration system of communication routing resources according to another embodiment of the present invention is provided, where the embodiment is different from the embodiment shown in fig. 4 in that the embodiment further includes: a reliability analysis module 50.
The reliability analysis module 50 is connected with the route calculation module 30, receives the service route resource allocation result determined by the route calculation module 30, and is used for analyzing the reliability of the multiple schemes respectively when the service route resource allocation result comprises the multiple schemes, and determining the optimal scheme according to the reliability analysis result; when the service routing resource allocation result includes a scheme, determining a scheme as an optimal scheme, and sending the determined optimal scheme to the routing configuration module 40 for resource configuration.
The reliability analysis module 50 is further configured to perform reliability evaluation based on the network performance data after resource configuration, and determine whether to trigger the route calculation triggering module 10 to determine whether the route triggering condition is satisfied according to an evaluation result.
When the reliability is lower than the set threshold value as the evaluation result, the reliability analysis module 50 triggers the route calculation triggering module 10 to determine whether the route triggering condition is satisfied, and performs a new round of configuration of communication route resources.
The embodiment may further include: the route configuration obtaining module 60 is configured to obtain current service route configuration information when the route trigger condition is not met, and send the current service route configuration information to the route calculating module 30.
The functions of the various modules of the system can be described with reference to the embodiments shown in fig. 1-2, and are not described again here.
The configuration system and method for communication routing resources provided by this embodiment are not only highly universal and effectively oriented to power production services, but also can automatically perform service routing calculation according to service characteristics and screen out an optimal path according to reliability analysis results under the conditions of new service requirements, emergency detour of interrupted services, batch optimization and the like, so as to satisfy the service transmission requirements and also consider the reliability and robustness of the network.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
In addition, well known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown within the provided figures for simplicity of illustration and discussion, and so as not to obscure the invention. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the invention, it should be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.
While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic ram (dram)) may use the discussed embodiments.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A system for configuring communication routing resources, comprising:
the routing calculation triggering module is used for judging whether a routing triggering condition is met, and generating a service routing calculation application and sending the service routing calculation application to the service demand analysis module when the routing triggering condition is met;
the service demand analysis module is connected to the route calculation triggering module, and configured to determine a route calculation requirement according to a service characteristic and determine a route calculation precondition when receiving the service route calculation application, where the service demand analysis module includes:
performing routing demand analysis based on a service logic topological graph loaded on the connection of equipment and the optical cable to obtain the routing calculation requirement;
determining constraint conditions meeting actual operation and maintenance requirements of the power communication network according to different production service types, and taking the constraint conditions as route calculation preconditions of a route calculation module;
the route calculation module is connected with the service demand analysis module and used for determining a service route resource distribution result under the constraint of the route calculation precondition according to the current service route configuration information and the route calculation requirement;
the route configuration module is connected with the route calculation module and used for configuring the service route resources according to the service route resource allocation result;
the current service routing configuration information is obtained based on the obtained basic resource data and the obtained localized resource data of the communication network according to a routing configuration obtaining module, and the service routing resource distribution result comprises an OPGW optical cable and a common cable.
2. The system of claim 1, further comprising:
the reliability analysis module is connected with the routing calculation module and is used for respectively analyzing the reliability of a plurality of schemes when the service routing resource distribution result comprises a plurality of schemes and determining an optimal scheme according to the reliability analysis result; and when the service routing resource allocation result comprises one scheme, determining the scheme as an optimal scheme.
3. The system according to claim 2, wherein the reliability analysis module is further configured to perform reliability evaluation based on the network performance data after resource configuration, and determine whether to trigger the route calculation triggering module to determine whether the route triggering condition is satisfied according to an evaluation result.
4. The system of claim 1, further comprising:
and the route configuration acquisition module is used for acquiring the current service route configuration information when the route triggering condition is not met.
5. The system of claim 1, wherein the route trigger condition comprises: newly added service application, emergency detour application of interrupted service, or service batch optimization application.
6. A method for configuring communication routing resources, applied to the system of any one of claims 1-5, the method comprising:
judging whether a route triggering condition is met;
when the route triggering condition is met, determining a route calculation requirement according to the service characteristics, and determining a route calculation precondition, wherein the route calculation precondition comprises the following steps:
performing routing demand analysis based on a service logic topological graph loaded on the connection of equipment and the optical cable to obtain the routing calculation requirement;
determining constraint conditions meeting actual operation and maintenance requirements of the power communication network according to different production service types, and taking the constraint conditions as route calculation preconditions of a route calculation module;
determining a service routing resource allocation result under the constraint of the routing calculation precondition according to the current service routing configuration information and the routing calculation requirement;
configuring service routing resources according to the service routing resource allocation result;
the current service routing configuration information is obtained based on the obtained basic resource data and the attribution resource data of the communication network, and the service routing resource distribution result comprises an OPGW optical cable and a common cable.
7. The method of claim 6, further comprising:
when the service routing resource allocation result comprises a plurality of schemes, respectively analyzing the reliability of the plurality of schemes, and determining an optimal scheme according to the reliability analysis result; and when the service routing resource allocation result comprises one scheme, determining the scheme as an optimal scheme.
8. The method of claim 7, further comprising:
and performing reliability evaluation based on the network performance data after resource configuration, and determining whether the routing triggering condition is met or not according to the evaluation result.
9. The method of claim 6, further comprising:
and acquiring the current service route configuration information when the route triggering condition is not met.
10. The method of claim 6, wherein the route trigger condition comprises: newly added service application, emergency detour application of interrupted service, or service batch optimization application.
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| CN102231647A (en) * | 2011-06-21 | 2011-11-02 | 中国电力科学研究院 | Fiber communication network service route configuration method used in electric power |
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