CN105007222A - Business transmission path selection method and business transmission path selection device - Google Patents
Business transmission path selection method and business transmission path selection device Download PDFInfo
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Abstract
The present invention discloses a business transmission path selection method and a business transmission path selection device which relate to the transmission network technology field, wherein the business transmission path selection method comprises the steps of obtaining a plurality of business routes between a source endpoint and a destination endpoint; obtaining the information of at least two preset route influence factors of each business route; determining the quality measurement information of the business route according to the information of the corresponding at least two route influence factors of each business route; and selecting a business transmission path from the plurality of business routes according to the quality measurement information of each business route to transmit the business. According to the present invention, by measuring the business routes according to the various factors influencing the routes, an optimal path suitable for the business transmission can be selected from the plurality of business routes comprehensively.
Description
Technical field
The present invention relates to Transport Network Technique field, particularly a kind of system of selection of service transmission path and device.
Background technology
Along with the development of communication network optical transport technology, optical transport technology evolves to optical communication technique and IP technological incorporation from simple time division multiplexing, simultaneously, network operation needs from network-oriented to curstomer-oriented, service-oriented change, to adapt to concentrate operation and management end to end based on business, promote the overall efficiency of operation of transmission network.But existing transmission comprehensive operation platform, general certain factors assessment according to network facet also selects business transmission optimal path, and this Measures compare is unilateral, and the path actual transmissions effect possibility selected is also bad.
Summary of the invention
An object of the present invention is, a kind of service transmission path selection scheme of Comprehensive is provided.
First aspect of the present invention provides a kind of system of selection of service transmission path, comprising: obtain many business routes between source endpoint to object end points; Obtain the information of at least two route factors of influence that every bar business route pre-sets; The Goodness metrics information of this business route is determined according to the information of corresponding at least two the route factors of influence of every bar business route; Goodness metrics information according to every bar business route selects service transmission path, for transport service from many business routes.
In one embodiment, determine that the Goodness metrics information of this business route comprises according to the information of corresponding at least two the route factors of influence of every bar business route: from route factor of influence, determine individual event factor of influence and the entire effect factor; In the effective situation of the information of the entire effect factor, the information of the individual event factor of influence of every bar business route is weighted summation operation, and result computing obtained is as the Goodness metrics information of this business route.
In one embodiment, by business route analysis and the information of route factor of influence obtaining business route from external system, external system wherein comprises OSS, network management system, test and measuring system.
In one embodiment, route factor of influence is pre-set according to network operation information.
In one embodiment, according to Optical Cable information, service delay information, pre-set route factor of influence across at least one information in producer's transmission network parameter.
In one embodiment, the route factor of influence pre-set according to Optical Cable information comprises: optical cable distance, route cable length coefficient; Route factor of influence according to pre-setting across producer's transmission network parameter comprises: the jumping figure of line resource utilance, network element jumping figure, Element management system or subnet, network health degree, network protection type.
In one embodiment, route factor of influence is pre-set according at least one information in Internet resources, network quality, network security, offered load.
In one embodiment, the route factor of influence pre-set according to Internet resources and offered load comprises: line resource utilance; Comprise according to the route factor of influence that network quality pre-sets: jumping figure, the service delay of optical cable distance, route cable length coefficient, network element jumping figure, Element management system or subnet; Comprise according to the route factor of influence that network security pre-sets: network health degree, network protection type.
Second aspect of the present invention provides a kind of choice device of service transmission path, comprising: business route acquisition unit, for obtaining many business routes between source endpoint to object end points; Factor of influence acquiring unit, for obtaining the information of at least two route factors of influence that every bar business route pre-sets; Metric determining unit, for determining the Goodness metrics information of this business route according to the information of corresponding at least two the route factors of influence of every bar business route; Selection of transmission paths unit, for selecting service transmission path, for transport service according to the Goodness metrics information of every bar business route from many business routes.
In one embodiment, metric determining unit, specifically for: from route factor of influence, determine individual event factor of influence and the entire effect factor; In the effective situation of the information of the entire effect factor, the information of the individual event factor of influence of every bar business route is weighted summation operation, and result computing obtained is as the Goodness metrics information of this business route.
In one embodiment, factor of influence acquiring unit, for the information by business route analysis and the route factor of influence from external system acquisition business route, external system wherein comprises OSS, network management system, test and measuring system.
In one embodiment, this device also comprises: factor of influence setting unit, for pre-setting route factor of influence according to network operation information.
In one embodiment, factor of influence setting unit, specifically for according to Optical Cable information, service delay information, pre-set route factor of influence across at least one information in producer's transmission network parameter.
In one embodiment, the route factor of influence that factor of influence setting unit pre-sets according to Optical Cable information comprises: optical cable distance, route cable length coefficient; Described factor of influence setting unit comprises according to the route factor of influence pre-set across producer's transmission network parameter: the jumping figure of line resource utilance, network element jumping figure, Element management system or subnet, network health degree, network protection type.
In one embodiment, factor of influence setting unit, specifically for pre-setting route factor of influence according at least one information in Internet resources, network quality, network security, offered load.
In one embodiment, the route factor of influence that factor of influence setting unit pre-sets according to Internet resources and offered load comprises: line resource utilance; The route factor of influence that factor of influence setting unit pre-sets according to network quality comprises: jumping figure, the service delay of optical cable distance, route cable length coefficient, network element jumping figure, Element management system or subnet; The route factor of influence that factor of influence setting unit pre-sets according to network security comprises: network health degree, network protection type.
The present invention has the following advantages:
On the one hand, measure according to multinomial factor pair business route affect route, can the comprehensive comprehensive optimal path selected applicable business and transmit from many business routes.
Again on the one hand, the information according to network operation aspect arranges route factor of influence, realizes from network-oriented to curstomer-oriented and the transformation of business, promotes the overall efficiency of operation of transmission network.
In addition; the jumping figure of access line resource utilization, Element management system or subnet, network health degree, network protection type, optical cable distance, route cable length coefficient, network element jumping figure, service delay etc. as route factor of influence, to adapt to the optimal route selection of operation aspect.
On the other hand, propose a kind of method according to multinomial factor tolerance business route, synthetically can reflect quality and the validity of business route, guarantee that selected path possesses optimality, accuracy and availability.
By referring to the detailed description of accompanying drawing to exemplary embodiment of the present invention, further feature of the present invention and advantage thereof will become clear.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of a system of selection embodiment of service transmission path of the present invention.
Fig. 2 is the schematic diagram of an operation system of the present invention embodiment.
Fig. 3 is the structural representation of a choice device embodiment of service transmission path of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
Fig. 1 is the schematic flow sheet of a system of selection embodiment of service transmission path of the present invention.As shown in Figure 1, the system of selection of the service transmission path of the present embodiment comprises the following steps:
S102, obtains many business routes between source endpoint to object end points.Under normal circumstances, after determining source endpoint and object end points, adopt certain routing algorithm just can to calculate some business routes between source endpoint to object end points in conjunction with network topology.The computational methods of business route can with reference to prior art, and the present invention does not limit for the circular of business route.
S104, obtains the information of at least two route factors of influence that every bar business route pre-sets.
S106, determines the Goodness metrics information of this business route according to the information of corresponding at least two the route factors of influence of every bar business route.
S108, the Goodness metrics information according to every bar business route selects service transmission path, for transport service from many business routes.
Above-described embodiment, measures according to multinomial factor pair business route affect route, can the comprehensive comprehensive optimal path selected applicable business and transmit from many business routes.
Before selection service transmission path, also need at least two the route factors of influence pre-setting business route.
In one embodiment of the invention, route factor of influence can be pre-set according to network operation information, thus realize from network-oriented to curstomer-oriented and the transformation of business, promote the overall efficiency of operation of transmission network.Such as; can access line resource utilization, Element management system (EMS) or the jumping figure of subnet in route, network health degree, network protection type, optical cable distance, route cable length coefficient, network element jumping figure, service delay etc. as route factor of influence, to adapt to the optimal route selection of operation aspect.
The first illustrative methods of route factor of influence is pre-set: can according to Optical Cable information, service delay information, pre-set route factor of influence across at least one information in producer's transmission network parameter according to network operation information, thus can the comprehensive comprehensive optimal path selecting the transmission of applicable business from many business routes.So-called " across producer's transmission network parameter " refers to and concrete producer or device-independent transmission network parameter.
Wherein, the route factor of influence pre-set according to Optical Cable information comprises: optical cable distance, route cable length coefficient (route cable length coefficient=optical cable distance/geographic distance); Route factor of influence according to pre-setting across producer's transmission network parameter comprises: the jumping figure of line resource utilance, network element jumping figure, Element management system or subnet, network health degree (network health degree can be determined according to factors such as the life-span of equipment in network, service life, low-quality disk rate and place environment), network protection type.Wherein, network protection type such as comprises ASON (ASON) protection, MSP (multiplex section) protection, SNCP (SNCP) protection and unprotect type etc., but is not limited to examples cited.
Pre-set the second illustrative methods of route factor of influence according to network operation information: route factor of influence can be pre-set according at least one information in Internet resources, network quality, network security, offered load, thus can comprehensively comprehensive select from many business routes applicable business transmission optimal path.
Wherein, the route factor of influence pre-set according to Internet resources and offered load comprises: line resource utilance; Comprise according to the route factor of influence that network quality pre-sets: jumping figure, the service delay of optical cable distance, route cable length coefficient, network element jumping figure, Element management system or subnet; Comprise according to the route factor of influence that network security pre-sets: network health degree, network protection type.
In step S104, can pass through the information of business route analysis and the route factor of influence from external system acquisition business route, external system wherein comprises OSS (OSS), network management system, test and measuring system.Obtain the information of at least two route factors of influence that every bar business route pre-sets.
Such as; network element jumping figure can be obtained by business route analysis; according to business route; (route cable length coefficient can be calculated according to geographical Distance geometry optical cable distance from OSS acquisition optical cable distance, geographic distance; specific formula for calculation is see aforementioned); obtain jumping figure, the network protection type of line resource utilance, network health degree, Element management system or subnet from network management system, service delay can obtain from network management system or test and measuring system.
In step s 106, a kind of exemplary method can determine individual event factor of influence (abbreviation monomial factor) and the entire effect factor (being called for short the overall factor) from route factor of influence; In the effective situation of the information of the entire effect factor, the information of the individual event factor of influence of every bar business route is weighted summation operation, result computing obtained is as the Goodness metrics information of this business route, when the information of the entire effect factor is invalid, no matter the result of individual event factor of influence weighted sum, all assert that this business route is invalid.If the entire effect factor has multinomial, the information of each entire effect factor all needs effectively, could using the Goodness metrics information of the result of individual event factor of influence sum operation with coefficient as this business route.
According to the method for multinomial factor tolerance business route, synthetically can reflect quality and the validity of business route, guarantee that selected path possesses optimality, accuracy and availability.
Wherein, the weight coefficient of individual event factor of influence can carry out adjusting or defining according to different business home domain, different transmission network types, different types of service, business-level etc.Wherein, business home domain such as comprises different geographical, different departments etc.Transmission network type such as comprises ASON, SDH (SDH (Synchronous Digital Hierarchy)), MSTP (multi-service transport platform based on SDH), OTN (optical transfer network), WDM (dense wave division multipurpose) etc.Type of service such as comprises SDH, MSTP etc.Such as, for the audio frequency and video type service that delay requirement is higher, a larger weight coefficient can be set to the service delay factor.For the security-sensitive business that network security requirements is higher, a larger weight coefficient can be set to network protection type.
Enumerate the sample calculation of the Goodness metrics information of a business route below.It will be understood by those skilled in the art that the concrete data in examples cited are only exemplary, not in order to limit the scope of the invention.
The route factor of influence pre-set and weight thereof, and ranking operation ginseng is shown in Table 1.
Table 1
In Table 1, for the optical cable distance factor, optical cable distance is far away, and priority is lower, such as, specify that every 100 kilometers of individual event value P1 increase by 1.For route cable length coefficient factor, if cable length exceedes 3 times of geographical position distance, then route too redundancy is described, quality of service risk increases, and the wasting of resources is comparatively large, abandons this route.For the line resource utilance factor, line resource utilance can not be too high, can prioritizing selection when being less than or equal to 70%, and when being less than 85%, one-way value is set to 1, when being greater than 85%, often increases one percentage point, individual event value adds 1.For the network element jumping figure factor, the nodes of overall route process can not be too many, and be less than 5 and belong to more excellent, individual event value is set to 0.2, and be less than 10 and belong to medium, individual event value is set to 1, is greater than 10 nodes, and one-way value is unified is set to 2.For EMS or the subnet jumping figure factor, EMS or the subnet of overall route process can not be too many, if in an EMS/ subnet, individual event value is set to 0, namely optimum; Across 3 EMS/ subnets, individual event value is set to 1; More than 3 EMS/ subnets, individual event value is set to 3.For the network health degree factor, if network health degree is excellent, then individual event value is 0, and for good, individual event value is 0.25, in then individual event value be 0.5.For the network protection type factor, if network is ASON protection, individual event value is 0, and protection is optimum; If network is the protection such as multiplex section, SNCP, individual event value is 0.1; Network unprotect, individual event value is 0.25.For the service delay factor, time delay entirety must meet service needed, considers from entirety.
By the factor computational methods in table 1, v1 ~ v8 totally 8 factor values of every bar business route can be calculated.Then, factor values is utilized to calculate Goodness metrics information, formula metric=v1+v3+v4+v5+v6+v7 is such as adopted to calculate the Goodness metrics information metric of business route, metric value less expression route is more excellent, judge that whether route is effective according to overall factor p2, p8, when a route to be valid, the minimum business route of metric value is optimum service transmission path.
Fig. 2 is the schematic diagram of an operation system of the present invention embodiment.As shown in Figure 2, operation system 200 comprises the choice device 206 that transport service opens module 202, transport service routing calculation module 204, service transmission path.The related external system with operation system is also show, as OSS system, network management system, test and measuring system in Fig. 2.The exemplary course of work of of operation system is as follows:
Step one, transport service is opened module 202 and is called transport service routing calculation module 204 and calculate n (n >=2) bar business route between two-end-point.
Step 2, the choice device 206 that the n bar route calculated is committed to service transmission path by transport service routing calculation module 204 carries out the evaluation and selection of optimum route.
Step 3, the choice device 206 of service transmission path selects optimum service transmission path according to the system of selection of aforementioned service transmission path, and the service transmission path of optimum and metric are returned to transport service routing calculation module 204.
Step 4, the service transmission path of optimum and metric are returned to transport service and open module 202 by transport service routing calculation module 204.Transport service opens module 202 can distribute to user by the service transmission path of this optimum, is used for transport service.
With reference to figure 3, the choice device 206 of service transmission path wherein comprises:
Business route acquisition unit 3062, for obtaining many business routes between source endpoint to object end points;
Factor of influence acquiring unit 3064, for obtaining the information of at least two route factors of influence that every bar business route pre-sets;
Metric determining unit 3066, for determining the Goodness metrics information of this business route according to the information of corresponding at least two the route factors of influence of every bar business route;
Selection of transmission paths unit 3068, for selecting service transmission path, for transport service according to the Goodness metrics information of every bar business route from many business routes.
In one embodiment, metric determining unit 3066, specifically for: from route factor of influence, determine individual event factor of influence and the entire effect factor; In the effective situation of the information of the entire effect factor, the information of the individual event factor of influence of every bar business route is weighted summation operation, and result computing obtained is as the Goodness metrics information of this business route.
In one embodiment, factor of influence acquiring unit 3064, for the information by business route analysis and the route factor of influence from external system acquisition business route, external system wherein comprises OSS, network management system, test and measuring system.
In one embodiment, this device also comprises: factor of influence setting unit, for pre-setting route factor of influence according to network operation information.
In one embodiment, factor of influence setting unit, specifically for according to Optical Cable information, service delay information, pre-set route factor of influence across at least one information in producer's transmission network parameter.
In one embodiment, the route factor of influence that factor of influence setting unit pre-sets according to Optical Cable information comprises: optical cable distance, route cable length coefficient; Described factor of influence setting unit comprises according to the route factor of influence pre-set across producer's transmission network parameter: the jumping figure of line resource utilance, network element jumping figure, Element management system or subnet, network health degree, network protection type.
In one embodiment, factor of influence setting unit, specifically for pre-setting route factor of influence according at least one information in Internet resources, network quality, network security, offered load.
In one embodiment, the route factor of influence that factor of influence setting unit pre-sets according to Internet resources and offered load comprises: line resource utilance; The route factor of influence that factor of influence setting unit pre-sets according to network quality comprises: jumping figure, the service delay of optical cable distance, route cable length coefficient, network element jumping figure, Element management system or subnet; The route factor of influence that factor of influence setting unit pre-sets according to network security comprises: network health degree, network protection type.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. a system of selection for service transmission path, is characterized in that, comprising:
Obtain many business routes between source endpoint to object end points;
Obtain the information of at least two route factors of influence that every bar business route pre-sets;
The Goodness metrics information of this business route is determined according to the information of corresponding at least two the route factors of influence of every bar business route;
Goodness metrics information according to every bar business route selects service transmission path, for transport service from many business routes.
2. the method for claim 1, is characterized in that, the information of corresponding at least two the route factors of influence of described basis every bar business route determines that the Goodness metrics information of this business route comprises:
Individual event factor of influence and the entire effect factor is determined from route factor of influence;
In the effective situation of the information of the entire effect factor, the information of the individual event factor of influence of every bar business route is weighted summation operation, and result computing obtained is as the Goodness metrics information of this business route.
3. the method for claim 1, is characterized in that, by business route analysis and the information of route factor of influence obtaining business route from external system, external system wherein comprises OSS, network management system, test and measuring system.
4. the method for claim 1, is characterized in that, pre-sets route factor of influence according to network operation information.
5. the method as described in claim 1 or 4, is characterized in that, according to Optical Cable information, service delay information, pre-sets route factor of influence across at least one information in producer's transmission network parameter.
6. method as claimed in claim 5, is characterized in that, comprise according to the route factor of influence that Optical Cable information pre-sets: optical cable distance, route cable length coefficient;
Route factor of influence according to pre-setting across producer's transmission network parameter comprises: the jumping figure of line resource utilance, network element jumping figure, Element management system or subnet, network health degree, network protection type.
7. the method as described in claim 1 or 4, is characterized in that, pre-sets route factor of influence according at least one information in Internet resources, network quality, network security, offered load.
8. method as claimed in claim 7, is characterized in that, comprise: line resource utilance according to the route factor of influence that Internet resources and offered load pre-set;
Comprise according to the route factor of influence that network quality pre-sets: jumping figure, the service delay of optical cable distance, route cable length coefficient, network element jumping figure, Element management system or subnet;
Comprise according to the route factor of influence that network security pre-sets: network health degree, network protection type.
9. a choice device for service transmission path, is characterized in that, comprising:
Business route acquisition unit, for obtaining many business routes between source endpoint to object end points;
Factor of influence acquiring unit, for obtaining the information of at least two route factors of influence that every bar business route pre-sets;
Metric determining unit, for determining the Goodness metrics information of this business route according to the information of corresponding at least two the route factors of influence of every bar business route;
Selection of transmission paths unit, for selecting service transmission path, for transport service according to the Goodness metrics information of every bar business route from many business routes.
10. device as claimed in claim 9, is characterized in that, described metric determining unit, specifically for:
Individual event factor of influence and the entire effect factor is determined from route factor of influence;
In the effective situation of the information of the entire effect factor, the information of the individual event factor of influence of every bar business route is weighted summation operation, and result computing obtained is as the Goodness metrics information of this business route.
11. devices as claimed in claim 9, it is characterized in that, described factor of influence acquiring unit, for the information by business route analysis and the route factor of influence from external system acquisition business route, external system wherein comprises OSS, network management system, test and measuring system.
12. devices as claimed in claim 9, is characterized in that, also comprise: factor of influence setting unit, for pre-setting route factor of influence according to network operation information.
13. devices as claimed in claim 12, is characterized in that, described factor of influence setting unit, specifically for according to Optical Cable information, service delay information, pre-set route factor of influence across at least one information in producer's transmission network parameter.
14. devices as claimed in claim 13, it is characterized in that, the route factor of influence that described factor of influence setting unit pre-sets according to Optical Cable information comprises: optical cable distance, route cable length coefficient;
Described factor of influence setting unit comprises according to the route factor of influence pre-set across producer's transmission network parameter: the jumping figure of line resource utilance, network element jumping figure, Element management system or subnet, network health degree, network protection type.
15. devices as claimed in claim 12, is characterized in that, described factor of influence setting unit, specifically for pre-setting route factor of influence according at least one information in Internet resources, network quality, network security, offered load.
16. devices as claimed in claim 15, it is characterized in that, the route factor of influence that described factor of influence setting unit pre-sets according to Internet resources and offered load comprises: line resource utilance;
The route factor of influence that described factor of influence setting unit pre-sets according to network quality comprises: jumping figure, the service delay of optical cable distance, route cable length coefficient, network element jumping figure, Element management system or subnet;
The route factor of influence that described factor of influence setting unit pre-sets according to network security comprises: network health degree, network protection type.
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