CN105007222B - The selection method and device of service transmission path - Google Patents
The selection method and device of service transmission path Download PDFInfo
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- CN105007222B CN105007222B CN201510186342.1A CN201510186342A CN105007222B CN 105007222 B CN105007222 B CN 105007222B CN 201510186342 A CN201510186342 A CN 201510186342A CN 105007222 B CN105007222 B CN 105007222B
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Abstract
The invention discloses a kind of selection method of service transmission path and devices, are related to Transport Network Technique field.Wherein the selection method of service transmission path includes: to obtain source endpoint to a plurality of business routing between purpose endpoint；Obtain the information that every business routes pre-set at least two routings impact factor；The Goodness metrics information of business routing is determined according to the information of the corresponding at least two routings impact factor of every business routing；Service transmission path is selected from the routing of a plurality of business according to the Goodness metrics information of every business routing, to be used for transmission business.The present invention is measured according to the multinomial factor pair business routing for influencing routing, can be integrated and comprehensively be selected the optimal path that suitable business is transmitted from the routing of a plurality of business.
Description
Technical field
The present invention relates to Transport Network Technique field, in particular to the selection method and device of a kind of service transmission path.
Background technique
With the continuous development of communication network optical transport technology, optical transport technology evolves to light from simple time division multiplexing and leads to
Letter technology and IP technological incorporation, meanwhile, it needs to change from network-oriented to curstomer-oriented, service-oriented on network operation, with
It adapts to concentrate operation and management end to end based on business, promotes the whole efficiency of operation of transmission network.However, existing transmission
Comprehensive operation platform, some factors assessment of general foundation network facet simultaneously select business transmission optimal path, this method ratio
More unilateral, the path actual transmissions effect selected is possible and bad.
Summary of the invention
It is an object of the present invention to provide a kind of service transmission path selection schemes of Comprehensive.
The first aspect of the invention provides a kind of selection method of service transmission path, comprising: obtains source endpoint to mesh
Endpoint between a plurality of business routing；Obtain the information that every business routes pre-set at least two routings impact factor；
The Goodness metrics information of business routing is determined according to the information of the corresponding at least two routings impact factor of every business routing；
Service transmission path is selected from the routing of a plurality of business according to the Goodness metrics information of every business routing, to be used for transmission industry
Business.
In one embodiment, being determined according to the information of the corresponding at least two routings impact factor of every business routing should
The Goodness metrics information of business routing includes: to determine individual event impact factor and the entire effect factor from routing impact factor；?
In the effective situation of the information of the entire effect factor, the information of the individual event impact factor of every business routing is weighted summation
Operation, the Goodness metrics information that the result that operation is obtained is routed as the business.
In one embodiment, by business route analysis and from external system obtain business route routing influence because
The information of son, external system therein includes Operation Support System, network management system, test and measuring system.
In one embodiment, routing impact factor is preset according to network operation information.
In one embodiment, according in Optical Cable information, service delay information, across producer transmission network parameter extremely
One item missing information presets routing impact factor.
It in one embodiment, include: optical cable distance, road according to the pre-set routing impact factor of Optical Cable information
By cable length coefficient；It include: that line resource utilizes according to the pre-set routing impact factor of across producer transmission network parameter
Rate, network element hop count, Element management system or the hop count of subnet, network health degree, network protection type.
In one embodiment, according at least one letter in Internet resources, network quality, network security, network load
Breath presets routing impact factor.
It in one embodiment, include: route according to the pre-set routing impact factor of Internet resources and network load
Resource utilization；According to the pre-set routing impact factor of network quality include: optical cable distance, routing cable length coefficient,
Network element hop count, the hop count of Element management system or subnet, service delay；According to the pre-set routing impact factor of network security
It include: network health degree, network protection type.
The second aspect of the invention provides a kind of selection device of service transmission path, comprising: business route acquisition list
Member, for obtaining source endpoint to a plurality of business routing between purpose endpoint；Impact factor acquiring unit, for obtaining every business
Route the information of pre-set at least two routings impact factor；Metric determination unit, for according to every business road
The information for routing impact factor by least two accordingly determines the Goodness metrics information of business routing；Selection of transmission paths list
Member, the Goodness metrics information for being routed according to every business selects service transmission path from the routing of a plurality of business, to be used for
Transmission services.
In one embodiment, metric determination unit is specifically used for: determining that individual event influences from routing impact factor
The factor and the entire effect factor；In the effective situation of information of the entire effect factor, the individual event of every business routing is influenced
The information of the factor is weighted summation operation, the Goodness metrics information that the result that operation is obtained is routed as the business.
In one embodiment, impact factor acquiring unit, for being obtained by business route analysis and from external system
The information for the routing impact factor for taking business to route, external system therein includes Operation Support System, network management system, tester
Amount system.
In one embodiment, the device further include: impact factor setting unit, for preparatory according to network operation information
Setting routing impact factor.
In one embodiment, impact factor setting unit is specifically used for being believed according to Optical Cable information, service delay
At least one information in breath, across producer transmission network parameter presets routing impact factor.
In one embodiment, impact factor setting unit is according to the pre-set routing impact factor of Optical Cable information
It include: optical cable distance, routing cable length coefficient；The impact factor setting unit is preparatory according to across producer transmission network parameter
The routing impact factor of setting includes: hop count, the network of line resource utilization rate, network element hop count, Element management system or subnet
Health degree, network protection type.
In one embodiment, impact factor setting unit is specifically used for being pacified according to Internet resources, network quality, network
Entirely, at least one information in network load presets routing impact factor.
In one embodiment, impact factor setting unit is according to Internet resources and the pre-set routing shadow of network load
Ringing the factor includes: line resource utilization rate；Impact factor setting unit is according to the pre-set routing impact factor of network quality
It include: hop count, the service delay of optical cable distance, routing cable length coefficient, network element hop count, Element management system or subnet；Shadow
Ringing factor setting unit according to the pre-set routing impact factor of network security includes: network health degree, network protection type.
The invention has the following advantages that
On the one hand, it is measured, can be integrated comprehensively from a plurality of according to the multinomial factor pair business routing for influencing routing
The optimal path of suitable business transmission is selected in business routing.
In another aspect, in terms of according to network operation information setting routing impact factor, realize from network-oriented to towards
The transformation of client and business promote the whole efficiency of operation of transmission network.
In addition, access line resource utilization, the hop count of Element management system or subnet, network health degree, network protection
Type, optical cable distance, routing cable length coefficient, network element hop count, service delay etc. are as routing impact factor, to adapt to run
The optimal route selection of level.
On the other hand, it proposes a kind of method according to the measurement business routing of the multinomial factor, can synthetically reflect business road
By quality and validity, it is ensured that selected path has optimality, accuracy and availability.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the flow diagram of selection method one embodiment of service transmission path of the present invention.
Fig. 2 is the schematic diagram of operation system one embodiment of the present invention.
Fig. 3 is the structural schematic diagram of selection device one embodiment of service transmission path of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
Fig. 1 is the flow diagram of selection method one embodiment of service transmission path of the present invention.As shown in Figure 1, this
The selection method of the service transmission path of embodiment the following steps are included:
S102 obtains source endpoint to a plurality of business routing between purpose endpoint.Under normal conditions, source endpoint and mesh are being determined
Endpoint after, source endpoint can be calculated to several between purpose endpoint in conjunction with network topology and using certain routing algorithm
Business routing.The calculation method of business routing can refer to the prior art, the circular that the present invention routes business
Without limitation.
S104 obtains the information that every business routes pre-set at least two routings impact factor.
S106 determines business routing according to the information of the corresponding at least two routings impact factor of every business routing
Goodness metrics information.
S108 selects service transmission path from the routing of a plurality of business according to the Goodness metrics information of every business routing,
To be used for transmission business.
Above-described embodiment, according to influence routing multinomial factor pair business routing is measured, can integrate comprehensively from
The optimal path of suitable business transmission is selected in a plurality of business routing.
Before selecting service transmission path, it is also necessary to preset at least two routing impact factors of business routing.
In one embodiment of the invention, routing impact factor can be preset according to network operation information, thus
It realizes from network-oriented to curstomer-oriented and the transformation of business, promotes the whole efficiency of operation of transmission network.For example, can choose
Hop count in routing of line resource utilization rate, Element management system (EMS) or subnet, network health degree, network protection type,
Optical cable distance, routing cable length coefficient, network element hop count, service delay etc. are as routing impact factor, to adapt to operation level
Optimal route selection.
The first illustrative methods of routing impact factor are preset according to network operation information: can be according to optical cable road
Routing impact factor is preset by least one information in information, service delay information, across producer transmission network parameter, from
And it can integrate and comprehensively select the optimal path that suitable business is transmitted from the routing of a plurality of business.So-called " across producer transmission
Network parameter " refers to and specific producer or device-independent transmission network parameter.
It wherein, include: optical cable distance, routing cable length according to the pre-set routing impact factor of Optical Cable information
Coefficient (routing cable length coefficient=optical cable distance/geographic distance)；According to across the producer pre-set road of transmission network parameter
It include: hop count, the network health degree (net of line resource utilization rate, network element hop count, Element management system or subnet by impact factor
Network health degree can according to the factors such as the service life of equipment in network, service life, low-quality disk rate and place environment determine), network
Protect type.Wherein, network protection type is protected for example including ASON (automatically switching optical networks), MSP (multiplex section) is protected,
SNCP (subnet connection protection) protection and unprotect type etc., but it is not limited to examples cited.
Second of illustrative methods of routing impact factor are preset according to network operation information: can be provided according to network
Source, network quality, network security, in network load at least one of information preset routing impact factor, so as to comprehensive
It closes and comprehensively selects the optimal path that suitable business is transmitted from the routing of a plurality of business.
It wherein, include: line resource utilization rate according to the pre-set routing impact factor of Internet resources and network load；
It include: optical cable distance, routing cable length coefficient, network element hop count, net according to the pre-set routing impact factor of network quality
The hop count of first management system or subnet, service delay；It include: that network is strong according to the pre-set routing impact factor of network security
Kang Du, network protection type.
In step S104, the routing influence that business routes can be obtained by business route analysis and from external system
The information of the factor, external system therein include Operation Support System (OSS), network management system, test and measuring system.Obtain every
Business routes the information of pre-set at least two routings impact factor.
For example, being routed by the available network element hop count of business route analysis according to business, obtained from Operation Support System
Optical cable distance, geographic distance (can calculate routing cable length coefficient according to geographic distance and optical cable distance, specific calculating is public
Formula is referring to aforementioned), from network management system obtain line resource utilization rate, network health degree, Element management system or subnet hop count,
Network protection type, service delay can be obtained from network management system or test and measuring system.
In step s 106, a kind of illustrative method can determine (the letter of individual event impact factor from routing impact factor
Claim monomial factor) and the entire effect factor (the referred to as whole factor)；It, will be every in the effective situation of information of the entire effect factor
The information of the individual event impact factor of business routing is weighted summation operation, and the result that operation is obtained is routed as the business
Goodness metrics information, in the case where the information of the entire effect factor is invalid, no matter the knot of individual event impact factor weighted sum
How is fruit, assert that business routing is invalid.If the entire effect factor has multinomial, the information of each single item entire effect factor is all needed
Will effectively, the Goodness metrics information that the result of individual event impact factor sum operation with coefficient could be routed as the business.
According to the method for multinomial factor measurement business routing, it can synthetically reflect the quality and validity of business routing,
Ensure that selected path has optimality, accuracy and availability.
Wherein, the weight coefficient of individual event impact factor can be according to different business home domain, different transmission network classes
Type, different types of service, business-level etc. are adjusted or define.Wherein, business home domain for example including different geographical, no
With department etc..Transmission network type is for example including ASON, SDH (synchronous digital system), the MSTP (multi-service transportation based on SDH
Platform), OTN (optical transfer network), WDM (dense wave division multipurpose) etc..Type of service is for example including SDH, MSTP etc..For example, for
A biggish weight coefficient can be arranged to the service delay factor in the relatively high audio-video type service of delay requirement.For
A biggish weight system can be arranged to network protection type in the relatively high security-sensitive business of network security requirements
Number.
The sample calculation of the Goodness metrics information of business routing is set forth below.It will be understood by those skilled in the art that
Specific data in examples cited are merely exemplary, the protection scope being not intended to limit the invention.
Pre-set routing impact factor and its weight and ranking operation ginseng are shown in Table 1.
Table 1
In table 1, for optical cable apart from the factor, optical cable distance is remoter, and priority is lower, such as provides every 100 kilometers of lists
Entry value P1 increases by 1.For routing cable length coefficient factor, if cable length is more than 3 times of geographical location distance, illustrate
Routing excessively redundancy, quality of service risk increase, and the wasting of resources is larger, abandons the routing.For the line resource utilization rate factor,
Line resource utilization rate cannot be too high, can preferentially select when less than or equal to 70%, when less than 85%, sets 1 for one-way value,
When greater than 85%, every increase one percentage point, individual event value adds 1.For the network element hop count factor, the number of nodes being integrally routed across is not
Can be too many, belong to less than 5 more excellent, individual event value is set as 0.2, belongs to less than 10 medium, and individual event value is set as 1, is greater than 10
A node, one-way value are uniformly set as 2.For EMS or the subnet hop count factor, the EMS or subnet being integrally routed across cannot be too
It is more, if individual event value is set as 0, i.e., optimal in an EMS/ subnet；Across 3 EMS/ subnets, individual event value is set as 1；It is more than
3 EMS/ subnets, individual event value are set as 3.For the network health degree factor, if network health degree be it is excellent, individual event value is 0,
To be good, individual event value is 0.25, be in then individual event value be 0.5.For the network protection type factor, if network is ASON protection,
Individual event value is 0, is protected optimal；If network is the protection such as multiplex section, SNCP, individual event value is 0.1；Network unprotect, individual event value
It is 0.25.For the service delay factor, time delay integrally must satisfy business needs, account for from whole.
By the factor calculation method in table 1, v1~v8 of every business routing totally 8 factor values can be calculated.So
Afterwards, Goodness metrics information is calculated using factor values, calculates business for example, by using formula metric=v1+v3+v4+v5+v6+v7
The smaller expression routing of Goodness metrics information metric, the metric value of routing is more excellent, is according to the judgement routing of whole factor p2, p8
No effective, in the case where a route to be valid, the smallest business routing of metric value is optimal service transmission path.
Fig. 2 is the schematic diagram of operation system one embodiment of the present invention.As shown in Fig. 2, operation system 200 includes transmission industry
Business open module 202, transmission services routing calculation module 204, service transmission path selection device 206.It is also shown in Fig. 2
With the related external system of operation system, such as OSS system, network management system, test and measuring system.One example of operation system
The course of work of property is as follows:
Step 1, transmission services open module 202 and transmission services routing calculation module 204 are called to calculate between two-end-point
N (n >=2) business routing.
The routing of calculated n item is committed to the choosing of service transmission path by step 2, transmission services routing calculation module 204
Select assessment and selection that device 206 carries out optimal routing.
The selection device 206 of step 3, service transmission path is selected according to the selection method of aforementioned service transmission path
Optimal service transmission path and metric are returned to transmission services routing calculation module 204 by optimal service transmission path.
Optimal service transmission path and metric are returned to transmission by step 4, transmission services routing calculation module 204
Service fulfillment module 202.Transmission services, which open module 202, can distribute to user for the optimal service transmission path, be used to
Transmission services.
With reference to Fig. 3, the selection device 206 of service transmission path therein includes:
Business route acquisition unit 3062, for obtaining source endpoint to a plurality of business routing between purpose endpoint；
Impact factor acquiring unit 3064, for obtain every business route pre-set at least two routings influence because
The information of son；
Metric determination unit 3066, for according to the corresponding at least two routings impact factor of every business routing
Information determines the Goodness metrics information of business routing；
Selection of transmission paths unit 3068, the Goodness metrics information for being routed according to every business are routed from a plurality of business
Middle selection service transmission path, to be used for transmission business.
In one embodiment, metric determination unit 3066, is specifically used for: determining individual event from routing impact factor
Impact factor and the entire effect factor；In the effective situation of information of the entire effect factor, by the individual event of every business routing
The information of impact factor is weighted summation operation, the Goodness metrics information that the result that operation is obtained is routed as the business.
In one embodiment, impact factor acquiring unit 3064, for being by business route analysis and from outside
The information of the routing impact factor of acquisition business of uniting routing, external system therein includes Operation Support System, network management system, survey
Try metering system.
In one embodiment, the device further include: impact factor setting unit, for preparatory according to network operation information
Setting routing impact factor.
In one embodiment, impact factor setting unit is specifically used for being believed according to Optical Cable information, service delay
At least one information in breath, across producer transmission network parameter presets routing impact factor.
In one embodiment, impact factor setting unit is according to the pre-set routing impact factor of Optical Cable information
It include: optical cable distance, routing cable length coefficient；The impact factor setting unit is preparatory according to across producer transmission network parameter
The routing impact factor of setting includes: hop count, the network of line resource utilization rate, network element hop count, Element management system or subnet
Health degree, network protection type.
In one embodiment, impact factor setting unit is specifically used for being pacified according to Internet resources, network quality, network
Entirely, at least one information in network load presets routing impact factor.
In one embodiment, impact factor setting unit is according to Internet resources and the pre-set routing shadow of network load
Ringing the factor includes: line resource utilization rate；Impact factor setting unit is according to the pre-set routing impact factor of network quality
It include: hop count, the service delay of optical cable distance, routing cable length coefficient, network element hop count, Element management system or subnet；Shadow
Ringing factor setting unit according to the pre-set routing impact factor of network security includes: network health degree, network protection type.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (14)
1. a kind of selection method of service transmission path characterized by comprising
Source endpoint is obtained to a plurality of business routing between purpose endpoint；
Obtain the information that every business routes pre-set at least two routings impact factor；
The Goodness metrics of business routing are determined according to the information of the corresponding at least two routings impact factor of every business routing
Information；
Service transmission path is selected from the routing of a plurality of business according to the Goodness metrics information of every business routing, to be used for transmission
Business；
Wherein, routing impact factor includes routing cable length coefficient, the routing cable length coefficient according to cable length and
The percent information of geographical location distance determines；
And it if the routing cable length coefficient that the selection service transmission path includes: business routing is more than preset value, puts
Abandon business routing；
Wherein, the information according to the corresponding at least two routings impact factor of every business routing determines business routing
Goodness metrics information includes:
Determine that individual event impact factor and the entire effect factor, the entire effect factor include routing light from routing impact factor
At least one of in cable length factor and service delay；
In the effective situation of information of the entire effect factor, the information of the individual event impact factor of every business routing is added
Weigh summation operation, the Goodness metrics information that the result that operation is obtained is routed as the business.
2. the method as described in claim 1, which is characterized in that obtain business by business route analysis and from external system
The information of the routing impact factor of routing, external system therein includes Operation Support System, network management system, test and measuring system
At least one of.
3. the method as described in claim 1, which is characterized in that preset routing impact factor according to network operation information.
4. method as claimed in claim 1 or 3, which is characterized in that according to Optical Cable information, service delay information, across factory
At least one information in family's transmission network parameter presets routing impact factor.
5. method as claimed in claim 4, which is characterized in that according to the pre-set routing impact factor of Optical Cable information
It include: optical cable distance and routing cable length coefficient；
According to the pre-set routing impact factor of across producer transmission network parameter include: line resource utilization rate, network element hop count,
At least one of the hop count of Element management system or subnet, network health degree, network protection type.
6. method as claimed in claim 1 or 3, which is characterized in that according to Internet resources, network quality, network security, network
At least one information in load presets routing impact factor.
7. method as claimed in claim 6, which is characterized in that according to Internet resources and the pre-set routing shadow of network load
Ringing the factor includes: line resource utilization rate；
It include: optical cable distance, routing cable length coefficient, network element jump according to the pre-set routing impact factor of network quality
At least one of number, the hop count of Element management system or subnet, service delay；
It include: network health degree, at least one in network protection type according to the pre-set routing impact factor of network security
It is a.
8. a kind of selection device of service transmission path characterized by comprising
Business route acquisition unit, for obtaining source endpoint to a plurality of business routing between purpose endpoint；
Impact factor acquiring unit routes the letter of pre-set at least two routings impact factor for obtaining every business
Breath；
Metric determination unit, for being determined according to the information of the corresponding at least two routings impact factor of every business routing
The Goodness metrics information of business routing；
Selection of transmission paths unit, the Goodness metrics information for being routed according to every business select industry from the routing of a plurality of business
Business transmission path, to be used for transmission business；
Wherein, routing impact factor includes routing cable length coefficient, the routing cable length coefficient according to cable length and
The percent information of geographical location distance determines；
And it if the routing cable length coefficient that the selection service transmission path includes: business routing is more than preset value, puts
Abandon business routing；
Wherein, the metric determination unit, is specifically used for:
Determine that individual event impact factor and the entire effect factor, the entire effect factor include routing light from routing impact factor
At least one of in cable length factor and service delay；
In the effective situation of information of the entire effect factor, the information of the individual event impact factor of every business routing is added
Weigh summation operation, the Goodness metrics information that the result that operation is obtained is routed as the business.
9. device as claimed in claim 8, which is characterized in that the impact factor acquiring unit, for being routed by business
Analysis and the information that the routing impact factor that business routes is obtained from external system, external system therein includes operation support
At least one of system, network management system, test and measuring system.
10. device as claimed in claim 8, which is characterized in that further include: impact factor setting unit, for according to network
Operation information presets routing impact factor.
11. device as claimed in claim 10, which is characterized in that the impact factor setting unit is specifically used for according to light
Cable routing iinformation, service delay information, in across producer transmission network parameter at least one of information preset routing influence because
Son.
12. device as claimed in claim 11, which is characterized in that the impact factor setting unit is according to Optical Cable information
Pre-set routing impact factor includes: optical cable distance and routing cable length coefficient；
The impact factor setting unit includes: route according to the pre-set routing impact factor of across producer transmission network parameter
Resource utilization, network element hop count, the hop count of Element management system or subnet, network health degree, in network protection type at least
One.
13. device as claimed in claim 10, which is characterized in that the impact factor setting unit is specifically used for according to net
Network resource, network quality, network security, in network load at least one of information preset routing impact factor.
14. device as claimed in claim 13, which is characterized in that the impact factor setting unit is according to Internet resources and net
It includes: line resource utilization rate that network, which loads pre-set routing impact factor,；
The impact factor setting unit includes: optical cable distance, routing according to the pre-set routing impact factor of network quality
At least one of cable length coefficient, network element hop count, the hop count of Element management system or subnet, service delay；
The impact factor setting unit includes: network health degree, net according to the pre-set routing impact factor of network security
Network protects at least one of type.
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| CN104243314A (en) * | 2014-08-28 | 2014-12-24 | 北京邮电大学 | Optical network end-to-end path establishment method and system based on energy efficiency diagram |
| CN104468355B (en) * | 2014-11-21 | 2018-08-31 | 国家电网公司 | Route selection method under reliability constraint |
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