CN104348691A - Fiber link scheduling method, equipment and system - Google Patents

Fiber link scheduling method, equipment and system Download PDF

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Publication number
CN104348691A
CN104348691A CN201310315468.5A CN201310315468A CN104348691A CN 104348691 A CN104348691 A CN 104348691A CN 201310315468 A CN201310315468 A CN 201310315468A CN 104348691 A CN104348691 A CN 104348691A
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Prior art keywords
fiber link
optical fiber
region
planned
virtual
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CN201310315468.5A
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CN104348691B (en
Inventor
洪斌
许高雄
高谦
郭怀军
樊璟
周红岗
罗卫国
冀旭亮
冯俊
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201310315468.5A priority Critical patent/CN104348691B/en
Priority to PCT/CN2014/083051 priority patent/WO2015010654A1/en
Publication of CN104348691A publication Critical patent/CN104348691A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003Managing SLA; Interaction between SLA and QoS
    • H04L41/5019Ensuring fulfilment of SLA
    • H04L41/5025Ensuring fulfilment of SLA by proactively reacting to service quality change, e.g. by reconfiguration after service quality degradation or upgrade
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/08Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0876Network utilisation, e.g. volume of load or congestion level
    • H04L43/0882Utilisation of link capacity

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Environmental & Geological Engineering (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention discloses a fiber link scheduling method, equipment and a system and relates to the communication field. According to the method, the equipment and the system, jumper connection of nodes in a virtual fiber link are made to complete in a concentrated and unified mode, node ports are set as a pre-occupied state, during use, the node ports in the virtual fiber link are switched from the pre-occupied state to an occupied state, and thereby the fiber business open speed is improved. The method comprises steps that a fiber link use rate between every two directly-connected nodes on the first fiber link is monitored timely; when the fiber link use rate is greater than a fiber link use rate threshold of the corresponding directly-connected two nodes, business alarm is generated; a first virtual fiber link between a first node and a second node is searched according to the business alarm; ports of the first virtual fiber link corresponding to all the nodes on the first virtual fiber link are switched from the pre-occupied state to the occupied state, so the first virtual fiber link is used by business between the first node and the second node.

Description

A kind of optical fiber link dispatching method, equipment and system
Technical field
The present invention relates to the communications field, particularly relate to a kind of optical fiber link dispatching method, equipment and system.
Background technology
Fiber infrastructure network (Fiber Infrastructure Network, be called for short FIN) comprise optical distribution network (Optical Distribution Network, be called for short ODN), field entropy squeezing (Optical Metro Network, be called for short OMN) and optical core network (Optical Backbone Network, be called for short OBN), for realizing the high usage of FIN networking equipment available fiber link, improve optical fiber link dispatching flexibility and service dispense speed.
In the prior art, FIN network link node device, such as, telecom operators' machine room optical link node device, optical fiber link scheduling, based on optical cable difference, thermal welding pattern, also referred to as difference welding pattern, leaves redundancy fibre core resource as far as possible and ensures that optical fiber is enough during by building in the early stage.Such as, the networking of OMN annular cable network, as shown in the figures 1 and 2, Fig. 1 two ends are fibre distribution frame (Optical Distribution Frame is called for short ODF), represent with " O ", be Optical cross connects case in the middle of two ODF, represent with A-F respectively, in optical cable central link, the total core number of optical cable fibre core is 288 cores, A ~ F optical cross box takies 288/6=48 core fibre respectively, O-A, A-O, O-B, B-O, O-C, C-O, O-D, D-O, O-E, E-O, O-F, F-O, realizes the through of optical fiber link by optical cable difference welding process.As shown in Figure 3, adopt part jumper connection type optical fiber link to replace a part of welded-connecting type optical fiber link, but lack the identification administrative skill of good network management system and optical fiber one-tenth end port, the optical fiber link of these jumper connection types does not possess flexible dispatching characteristic yet.
Traditional fiber optic service jumper connection, need workmen to jump to on-the-spot, not only speed is slow, and cost is high, comprises labour cost, car oil expense etc., and optical fiber jumper connection may be done in order to open one or several optical fiber link to multiple different website, therefore, need to improve fiber optic service and open speed.
Inventor finds at least there is following problem in prior art: because traditional fiber optic service jumper connection needs workmen to arrive on-the-spot jumping fiber, make fiber optic service open speed slow.
Summary of the invention
The embodiment of the present invention provides a kind of optical fiber link dispatching method, equipment and system, by making the jumper connection of virtual fiber link interior nodes, centralized and unified to complete and arrange node port be pre-seizure condition, when needs use, virtual fiber link interior nodes port is switched to seizure condition from taking in advance, thus raising fiber optic service opens speed.
For achieving the above object, the technical scheme that the embodiment of the present invention adopts is,
First aspect, provides a kind of optical fiber link dispatching method, comprising:
Two internodal optical fiber link utilization rates of all direct connection on real-time monitoring first optical fiber link, wherein, described first optical fiber link is business lit fiber link between first node and Section Point;
When two internodal optical fiber link utilization rates of the arbitrary described direct connection on described first optical fiber link are greater than two internodal optical fiber link utilization rate thresholdings of corresponding described direct connection, generate service alarm;
According to described service alarm search and the first virtual fiber link between described first node and described Section Point, wherein, described first virtual fiber link is can reach between described first node and described Section Point, but the optical fiber link do not activated the service;
The port of corresponding for all nodes on described first virtual fiber link described first virtual fiber link is switched to seizure condition from pre-seizure condition, makes the business between described first node and described Section Point use described first virtual fiber link.
In the implementation that the first is possible, according to first aspect, described first virtual fiber link is the virtual fiber link of shortest path between described first node and described Section Point.
In the implementation that the second is possible, in conjunction with first aspect or the first possible implementation, before two internodal optical fiber link utilization rates of all direct connection on described real-time monitoring first optical fiber link, the method can also comprise:
Obtain the resource information in optical fiber link region to be planned, described resource information comprises nodal information;
According to the resource information setting link scheduling rule in described optical fiber link region to be planned, described link scheduling rule comprises in described optical fiber link region to be planned the optical fiber link utilization rate thresholding between fiber number and any two nodes needing respectively between any two nodes to take;
Any two internodal all virtual fiber links in optical fiber link region to be planned according to described resource information and described link scheduling Rule.
In the implementation that the third is possible, in conjunction with the implementation that the second is possible, any two the internodal all virtual fiber links in described optical fiber link region to be planned according to described resource information and described link scheduling Rule, comprising:
Any two the internodal all virtual fiber links in described optical fiber link region to be planned are obtained according to the Dijkstra's algorithm of correction or the optical line of correction by automatic placement algorithm according to described resource information and described link scheduling rule.
In the 4th kind of possible implementation, in conjunction with the implementation that the third is possible, described any two the internodal all virtual fiber links obtained according to described resource information and the regular Dijkstra's algorithm according to revising of described link scheduling in described optical fiber link region to be planned, comprising:
When the nodes in described optical fiber link region to be planned is less than 100, obtain any two the internodal all virtual fiber links in described optical fiber link region to be planned according to Dijkstra's algorithm;
When the nodes in described optical fiber link region to be planned is more than or equal to 100, be M region by described optical fiber link Region Segmentation to be planned, nodes in arbitrary region is less than 100, to described arbitrary region according to any two the internodal all virtual fiber links in the described arbitrary region of Dijkstra's algorithm acquisition, wherein, described M is more than or equal to 2.
In the 5th kind of possible implementation, in conjunction with the implementation that the third is possible, to be obtained any two the internodal all virtual fiber links in described optical fiber link region to be planned according to described resource information and described link scheduling rule according to the optical line revised by automatic placement algorithm, comprising:
When the nodes in described optical fiber link region to be planned is less than 100, according to optical line by any two the internodal all virtual fiber links in the described optical fiber link region to be planned of automatic placement algorithm acquisition;
When the nodes in described optical fiber link region to be planned is more than or equal to 100, be N number of region by described optical fiber link Region Segmentation to be planned, nodes in arbitrary region is less than 100, described arbitrary region to be obtained to any two the internodal all virtual fiber links in described arbitrary region by automatic placement algorithm according to optical line, wherein, described N is more than or equal to 2.
Second aspect, provides a kind of network management system, and described network management system comprises:
Monitoring unit, for monitoring two internodal optical fiber link utilization rates of all direct connection on the first optical fiber link in real time, wherein, described first optical fiber link is business lit fiber link between first node and Section Point;
Generation unit, when two internodal optical fiber link utilization rates of the arbitrary described direct connection on described first optical fiber link are greater than two internodal optical fiber link utilization rate thresholdings of corresponding described direct connection, for generating service alarm;
Search unit, for the first virtual fiber link searched for according to described service alarm and between described first node and described Section Point, wherein, described first virtual fiber link is can reach between described first node and described Section Point, but the optical fiber link do not activated the service;
Switch unit, for the port of corresponding for all nodes on described first virtual fiber link described first virtual fiber link is switched to seizure condition from pre-seizure condition, the business between described first node and described Section Point is made to use described first virtual fiber link.
In the implementation that the first is possible, in conjunction with second aspect, described first virtual fiber link is the virtual fiber link of shortest path between described first node and described Section Point.
In the implementation that the second is possible, in conjunction with second aspect or the first possible implementation, described network management system also comprises:
First acquiring unit, for obtaining the resource information in optical fiber link region to be planned, described resource information comprises nodal information;
Setup unit, for the resource information setting link scheduling rule according to described optical fiber link region to be planned, described link scheduling rule comprises in described optical fiber link region to be planned the optical fiber link utilization rate thresholding between fiber number and any two nodes needing respectively between any two nodes to take;
Second acquisition unit, for any two the internodal all virtual fiber links in optical fiber link region to be planned according to described resource information and described link scheduling Rule.
In the implementation that the third is possible, in conjunction with the implementation that the second is possible,
Described second acquisition unit also to be obtained any two the internodal all virtual fiber links in described optical fiber link region to be planned by automatic placement algorithm according to the optical line of the Dijkstra's algorithm revised or correction for: the described link scheduling rule of the described resource information obtained according to described first acquiring unit and the setting of described setup unit.
In the 4th kind of possible implementation, in conjunction with the implementation that the third is possible,
Described second acquisition unit also for: when the nodes in described optical fiber link region to be planned is less than 100, obtain any two the internodal all virtual fiber links in described optical fiber link region to be planned according to Dijkstra's algorithm; When the nodes in described optical fiber link region to be planned is more than or equal to 100, be M region by described optical fiber link Region Segmentation to be planned, nodes in arbitrary region is less than 100, to described arbitrary region according to any two the internodal all virtual fiber links in the described arbitrary region of Dijkstra's algorithm acquisition, wherein, described M is more than or equal to 2.
In the 5th kind of possible implementation, in conjunction with the implementation that the third is possible,
Described second acquisition unit also for: when the nodes in described optical fiber link region to be planned is less than 100, to be obtained any two the internodal all virtual fiber links in described optical fiber link region to be planned by automatic placement algorithm according to optical line; When the nodes in described optical fiber link region to be planned is more than or equal to 100, be N number of region by described optical fiber link Region Segmentation to be planned, nodes in arbitrary region is less than 100, described arbitrary region to be obtained to any two the internodal all virtual fiber links in described arbitrary region by automatic placement algorithm according to optical line, wherein, described N is more than or equal to 2.
The embodiment of the present invention provides a kind of optical fiber link dispatching method, equipment and system, by making the jumper connection of virtual fiber link interior nodes, centralized and unified to complete and arrange node port be pre-seizure condition, when needs use, virtual fiber link interior nodes port is switched to seizure condition from taking in advance, thus raising fiber optic service opens speed, to overcome in prior art because traditional fiber optic service jumper connection needs workmen to arrive on-the-spot jumping fiber, make fiber optic service open slow-footed shortcoming.
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.
A kind of light metropolitan area looped network logic diagram that Fig. 1 provides for the embodiment of the present invention;
A kind of light metropolitan area looped network physical connection schematic diagram that Fig. 2 provides for the embodiment of the present invention;
A kind of fiber optic service jumper connection schematic diagram that Fig. 3 provides for the embodiment of the present invention;
A kind of optical fiber link dispatching method schematic flow sheet that Fig. 4 provides for the embodiment of the present invention;
The another kind of optical fiber link dispatching method schematic flow sheet that Fig. 5 provides for the embodiment of the present invention;
The schematic diagram not meeting planning intention that Fig. 6 provides for the embodiment of the present invention;
A kind of optical fiber link scheduling schematic diagram that Fig. 7 A provides for the embodiment of the present invention;
The another kind of optical fiber link scheduling schematic diagram that Fig. 7 B provides for the embodiment of the present invention;
The device schematic diagram of a kind of network management system that Fig. 8 provides for the embodiment of the present invention;
The device schematic diagram of the another kind of network management system that Fig. 9 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
On the one hand, the embodiment of the present invention provides a kind of optical fiber link dispatching method, see Fig. 4, comprising:
401: two internodal optical fiber link utilization rates of all direct connection in real time on monitoring the first optical fiber link, wherein, the first optical fiber link is business lit fiber link between first node and Section Point;
Exemplary, before two the internodal optical fiber link utilization rates monitoring all direct connection on the first optical fiber link in real time, the method can also comprise:
Obtain the resource information in optical fiber link region to be planned, this resource information comprises nodal information;
According to the resource information setting link scheduling rule in this optical fiber link region to be planned, this link scheduling rule comprises in this optical fiber link region to be planned the optical fiber link utilization rate thresholding between fiber number and any two nodes needing respectively between any two nodes to take;
According to any two the internodal all virtual fiber links in resource information and link scheduling Rule optical fiber link to be planned region.
Exemplary, according to any two the internodal all virtual fiber links in resource information and link scheduling Rule optical fiber link to be planned region, comprising:
Any two the internodal all virtual fiber links in described optical fiber link region to be planned are obtained according to the Dijkstra's algorithm of correction or the optical line of correction by automatic placement algorithm according to resource information and link scheduling rule.
Exemplary, obtaining any two the internodal all virtual fiber links in optical fiber link region to be planned according to resource information and the regular Dijkstra's algorithm according to revising of link scheduling, can comprise:
When the nodes in optical fiber link region to be planned is less than 100, obtain any two the internodal all virtual fiber links in optical fiber link region to be planned according to Dijkstra's algorithm;
When the nodes in optical fiber link region to be planned is more than or equal to 100, be M region by optical fiber link Region Segmentation to be planned, nodes in arbitrary region is less than 100, arbitrary region is obtained to any two the internodal all virtual fiber links in arbitrary region according to Dijkstra's algorithm, wherein, M is more than or equal to 2.
Exemplary, to be obtained any two the internodal all virtual fiber links in optical fiber link region to be planned according to resource information and link scheduling rule according to the optical line revised by automatic placement algorithm, can comprise:
When the nodes in optical fiber link region to be planned is less than 100, to be obtained any two the internodal all virtual fiber links in optical fiber link region to be planned by automatic placement algorithm according to optical line;
When the nodes in optical fiber link region to be planned is more than or equal to 100, be N number of region by optical fiber link Region Segmentation to be planned, nodes in arbitrary region is less than 100, arbitrary region to be obtained to any two the internodal all virtual fiber links in arbitrary region by automatic placement algorithm according to optical line, wherein, N is more than or equal to 2.
402: when two internodal optical fiber link utilization rates of the arbitrary direct connection on the first optical fiber link are greater than two internodal optical fiber link utilization rate thresholdings of corresponding direct connection, generate service alarm;
403: according to this service alarm search and the first virtual link between first node and Section Point, wherein, the first virtual link is can reach between first node and Section Point, but the optical fiber link do not activated the service;
Exemplary, the first virtual link is the virtual link of shortest path between first node and Section Point.
404: the port of corresponding for all nodes on the first virtual link the first virtual link is switched to seizure condition from pre-seizure condition, makes the business between first node and Section Point use the first virtual link.
The embodiment of the present invention provides a kind of optical fiber link dispatching method, by making the jumper connection of virtual fiber link interior nodes, centralized and unified to complete and arrange node port be pre-seizure condition, when needs use, virtual fiber link interior nodes port is switched to seizure condition from taking in advance, thus raising fiber optic service opens speed, to overcome in prior art because traditional fiber optic service jumper connection needs workmen to arrive on-the-spot jumping fiber, make fiber optic service open slow-footed shortcoming.
Below by specific embodiment, said method embodiment is described.See Fig. 5, can comprise the following steps:
501: the resource information obtaining optical fiber link region to be planned, described resource information comprises nodal information;
Exemplary, behind the region of selected plan deployed fiber, planning and designing and physics deployment are completed to this region, such as, deployed fiber, needs when planning and designing to ensure that the technical indicator of each optical fiber link meets code requirement, such as, ensure that each link nodes equipment is to node device (Equipment to Equipment is called for short E2E) optical power attenuation.
Exemplary, resource information comprises the nodal information relevant to this region, facility information, optical fiber etc., the resource information that the embodiment of the present invention obtains optical fiber link region to be planned for network management system is specifically described, also can obtain the resource information in optical fiber link region to be planned for miscellaneous equipment, the embodiment of the present invention does not limit this.
Exemplary, network management system is in fact a set of application software system, and this application software system is installed on the server, for customer account management Internet usage.
Exemplary, node device packets of information is containing core, convergence, access, rapid data transmission (Fast Data Transfer, be called for short FDT) attribution rule, the division of node device attribution rule can be carried out according to the importance degree of node, also other method can be taked to divide, but the embodiment of the present invention does not limit to this.
502: obtain optical routing information, machine room GIS-Geographic Information System (Geographic Information System is called for short GIS) information, machine room classification information;
Exemplary, the method that network management system obtains optical routing information can comprise:
A) optical routing template is downloaded;
B) optical routing template is directed into network management system.
In the embodiment of the present invention, network management system obtains the method for optical routing information can be said method, also can obtain the method for optical routing information for other, but the embodiment of the present invention does not limit to this.
503: setting jumper connection type optical fiber link accounts for the ratio of integral optical fiber link;
Exemplary, in the prior art, as shown in the figures 1 and 2, if be all welded-connecting type optical fiber link, under formed article of extreme case that the optical fiber exclusively enjoying link all uses, integral optical fiber utilance is: 1/6=16.7%, when optical fiber link is all welded-connecting type optical fiber link, just needs to newly increase optical cable if make fiber utilization be greater than 16.7%.
As shown in Figure 3, part jumper connection type optical fiber link can be adopted to replace a part of welded-connecting type optical fiber link, such as, 2*12=24 core jumper connection type optical fiber link is had in optical fiber ring network, O-A-B-C-D-E-F-O jumper connection type optical fiber link is realized by jumper connection, after wherein any node equipment welded-connecting type optical fiber link is finished, by jumper connection mode, this node device is made to take jumper connection type optical fiber link.But owing to lacking the identification administrative skill of good network management system and optical fiber one-tenth end port, these jumper connection type optical fiber links also can not possess scheduling property flexibly.
For above-mentioned situation, can by the effective management of network management system realization to intelligent optical distribution network equipment, port identification, jumping fiber, the ratio making jumper connection type optical fiber link account for integral optical fiber link improves greatly, thus improve node device available fiber link ratio, improve integral optical fiber utilance further.
Exemplary, in embodiments of the present invention, the ratio of jumper connection type optical fiber link is divided arbitrarily by the requirement of network management system according to operator, not by technical limitations, welded-connecting type optical fiber link all can be replaced with jumper connection type optical fiber link to greatest extent, the ratio that the jumper connection type optical fiber link divided accounts for total optical fiber link is larger, then the overall utilization rate of optical fiber is higher.Such as, when divide total optical fiber 10% is jumper connection type optical fiber link, under extreme case, optical fiber integrally utilance is: (1-10%)/6+10%=25%; When divide total optical fiber 25% is jumper connection type optical fiber link, under extreme case, optical fiber integrally utilance is: (1-25%)/6+25%=37.5%; When divide total optical fiber 50% is jumper connection type optical fiber link, under extreme case, optical fiber integrally utilance is: (1-50%)/6+50%=58.3%; When divide total optical fiber 70% is jumper connection type optical fiber link, under extreme case, optical fiber integrally utilance is: (1-70%)/6+70%=75%.
504: setting link scheduling rule, link scheduling rule comprises in optical fiber link region to be planned the optical fiber link utilization rate thresholding between fiber number and any two nodes needing respectively between any two nodes to take;
505: according to any two the internodal all virtual fiber links in resource information and link scheduling Rule optical fiber link to be planned region;
Exemplary, any two internodal all virtual fiber links are for reaching between corresponding any two nodes, but the optical fiber link do not activated the service.
Exemplary, according to any two the internodal all virtual fiber links in resource information and link scheduling Rule optical fiber link to be planned region, can comprise:
To be obtained any two the internodal all virtual fiber links in optical fiber link region to be planned by automatic placement algorithm according to the Dijkstra's algorithm revised or the optical line of correction according to resource information and link scheduling rule.
Exemplary, Dijkstra's algorithm is a kind of typical shortest path first, and this algorithm is for calculating the shortest path of a node to other all nodes, and this algorithm is outwards expanded layer by layer, till iteration expands to terminal always centered by starting point.
Exemplary, obtaining any two the internodal all virtual fiber links in optical fiber link region to be planned according to resource information and the regular Dijkstra's algorithm according to revising of link scheduling, can comprise:
When the nodes in optical fiber link region to be planned is less than 100, obtain any two the internodal all virtual fiber links in optical fiber link region to be planned according to Dijkstra's algorithm;
When the nodes in optical fiber link region to be planned is more than or equal to 100, be M region by optical fiber link Region Segmentation to be planned, nodes in arbitrary region is less than 100, described arbitrary region is obtained to any two the internodal all virtual fiber links in arbitrary region according to Dijkstra's algorithm, wherein, M is more than or equal to 2.
Exemplary, in embodiments of the present invention, in optical fiber link region to be planned, the internodal optical line of any two core is optimum seeking method by automatic configuration step, the first step, selects express fiber; Second step, selects fibre core jumper connection once; 3rd step, selects fibre core jumper connection secondary or more.The configuration of core layer optical fiber link mainly considers distance, usually selects beeline; When selecting all virtual fiber links of any two nodes, optical fiber link utilization rate thresholding is also Consideration.
Exemplary, to be obtained any two the internodal all virtual fiber links in optical fiber link region to be planned according to resource information and link scheduling rule according to the optical line revised by automatic placement algorithm, can comprise:
When the nodes in optical fiber link region to be planned is less than 100, to be obtained any two the internodal all virtual fiber links in optical fiber link region to be planned by automatic placement algorithm according to optical line;
When the nodes in optical fiber link region to be planned is more than or equal to 100, be M region by optical fiber link Region Segmentation to be planned, nodes in arbitrary region is less than 100, described arbitrary region to be obtained to any two the internodal all virtual fiber links in arbitrary region by automatic placement algorithm according to optical line, wherein, M is more than or equal to 2.
Optical line by the concrete steps of automatic placement algorithm can be:
1, data encasement, sets up express fiber relation table between each node coordinate and node;
A) introduce coordinate system, set up the relative co-ordinate information of all nodes in optical fiber link region to be planned;
As i=j, A ij=0,
As i<j, A ijthe length of express fiber between=node i and node j,
As i>j, Ai jthe junctor usage thresholding of express fiber between=node i and node j.
B) according to each node coordinate, express fiber relation table between any two nodes is formulated in optical fiber link region to be planned, as shown in table 1, be express fiber link relation table between two nodes any in optical fiber link region to be planned.
Table 1
Office point 1 Office point 2 Office point 3 Office point 4 ... Office point j ...
Office point 1 0 A 12 A 13 A 14 ... A 1j ...
Office point 2 A 21 0
Office point 3 A 31 0
Office point 4 A 41 0
... ... 0
Office point i A i1 0
... ... 0
2, optical line is realized by automatic placement algorithm.
A) direct path between any two nodes is selected in optical fiber link region to be planned, Output rusults;
If b) in optical fiber link region to be planned between any two nodes without direct path, then select jumper connection optical fiber link once, Output rusults according to the length of any two internodal optical fiber corresponding in optical fiber link region to be planned and the junctor usage thresholding of optical fiber;
If c) in optical fiber link region to be planned between any two nodes without direct path and a jumper connection optical fiber link, then select more than twice or twice optical fiber link of jumper connection, Output rusults according to the length of any two internodal optical fiber corresponding in optical fiber link region to be planned and the junctor usage thresholding of optical fiber.
Exemplary, above-mentioned to optical fiber link region to be planned carry out optical line realized by automatic placement algorithm time, Output rusults must meet code requirement, such as, each link E2E optical power attenuation.
506: office side expert determines whether any two the internodal all virtual fiber links in optical fiber link region to be planned meet planning intention;
Exemplary, in embodiments of the present invention, whether any two the internodal all virtual fiber links determining in optical fiber link region to be planned meet planning intention can comprise and determine whether feasible all virtual fiber links meet code requirement, such as, each virtual fiber link E2E optical power attenuation, and determine whether all virtual fiber links meet in optical fiber link region to be planned between any two nodes the optical fiber link utilization rate thresholding between fiber number and any two nodes that needs respectively take, also can comprise other and determine whether any two internodal all virtual fiber links meet the method for planning intention, but the embodiment of the present invention does not limit this.
If any two the internodal all virtual fiber links in optical fiber link region to be planned meet planning intention, then the result filing of planning intention will be met; If any two the internodal all virtual fiber links in optical fiber link region to be planned do not meet planning intention, adjustable initial conditions, again to be obtained any two the internodal all virtual fiber links in optical fiber link region to be planned by automatic placement algorithm according to the Dijkstra's algorithm revised or the optical line of correction, iterate above-mentioned action, until meet planning intention and will meet the result filing of planning intention.As Fig. 6, for a kind of schematic diagram not meeting planning intention that the embodiment of the present invention provides, as shown in the figure, when any two the internodal all virtual fiber links in optical fiber link region to be planned do not meet planning intention, adjustment link scheduling rule, such as, core is to the fiber number converged, converge to the fiber number of access, core is to the fiber number of core, converge to the fiber number of convergence, access to the fiber number of FDT and minimum jumper connection number, again to be obtained any two the internodal all virtual fiber links in optical fiber link region to be planned by automatic placement algorithm according to the Dijkstra's algorithm revised or the optical line of correction.
507: network management system generates port jumper connection pre-configured table according to any two the internodal all virtual fiber links in optical fiber link region to be planned;
508: network management system generates construction work order according to jumper connection pre-configured table;
Exemplary, this construction work order can comprise work order numbering, service number, work order title, business description, light path type, initial plant type, initial plant port, termination device title and termination device port, also can comprise the out of Memory about construction content, the embodiment of the present invention does not limit this.
509: operating personnel instruct the centralized and unified engineering jumper connection that completes to construct according to construction guidance tool (iField);
Exemplary, operating personnel carry out the construction of engineering jumper connection and can comprise the following steps:
A) operating personnel obtain work order to be onstructed;
B) operating personnel instruct the fiber port information pointed out and be inserted into according to construction guidance tool (iField), be inserted into the port Chang Liang of the equipment of optical fiber, if workmen's wrong plug port, have the correct port information that prompt tone prompting is inserted, and the correct port that should insert can be pointed out by quick flashing light;
C) operating personnel insert the correct port being inserted into fiber plant by being inserted into optical fiber, if after operating personnel insert port success, this port led is extinguished, and is inserted into fiber plant and shows Next port to be onstructed again, and have voice message;
D) jumping fiber in electronic identity (Electronic Identity is called for short eID) Reading and writing instrument is extracted the construction port of the next homonymy being inserted into display, repeat c-d step until this fiber plant to be onstructed no longer shows port to be onstructed;
E) constructed.
510: during service fulfillment, network management system formulates the first optical fiber link first node and Section Point, and the port of corresponding first optical fiber link of all intermediate nodes in first node and Section Point and the first optical fiber link that between first node and Section Point, business uses is switched to seizure condition from pre-seizure condition, use the first optical fiber link to make this business;
Exemplary, first node and Section Point are respectively start node and the terminal node of the first optical fiber link that this business uses, and node state can comprise three kinds of states, seizure condition, pre-seizure condition and idle condition.
511: two internodal optical fiber link utilization rates of all direct connection in real time on monitoring the first optical fiber link;
512: when two internodal optical fiber link utilization rates of the arbitrary described direct connection on the first optical fiber link are greater than two internodal optical fiber link utilization rate thresholdings of corresponding direct connection, generate service alarm;
513: according to this service alarm search and the first virtual fiber link between first node and Section Point, wherein, the first virtual fiber link is can reach between first node and Section Point, but the optical fiber link do not activated the service;
Exemplary, the first virtual fiber link is the virtual fiber link of shortest path between first node and Section Point.
514: the port of corresponding for all nodes on the first virtual fiber link the first virtual fiber link is switched to seizure condition from pre-seizure condition, makes the business between first node and Section Point use the first virtual fiber link.
Exemplary, as Fig. 7 A and 7B, for a kind of optical fiber link scheduling schematic diagram that the embodiment of the present invention provides, as shown in Figure 7 A, optical fiber link region interior nodes A to be planned and Node B, between A and B, optical fiber link utilization rate is greater than junctor usage thresholding between A and B, network management system generates service alarm between node A and Node B, virtual fiber link between search node A and Node B, as shown in Figure 7 B, virtual fiber link A-C-D-B is Search Results, by node A, Node B, the port of the virtual fiber link of the A-C-D-B that node C and node D is corresponding is switched to seizure condition from pre-seizure condition, simultaneously, business between node A and Node B is adjusted to A-C-D-B virtual fiber link from A-B optical fiber link.
The embodiment of the present invention provides a kind of optical fiber link dispatching method, by making the jumper connection of virtual fiber link interior nodes, centralized and unified to complete and arrange node port be pre-seizure condition, when needs use, virtual fiber link interior nodes port is switched to seizure condition from taking in advance, thus raising fiber optic service opens speed, to overcome in prior art because traditional fiber optic service jumper connection needs workmen to arrive on-the-spot jumping fiber, make fiber optic service open slow-footed shortcoming.
On the other hand, the embodiment of the present invention provides a kind of network management system 80, exemplary, and network management system 80 is in fact a set of application software system, and this application software system is installed on the server, for customer account management Internet usage.
See Fig. 8 or 9, comprising:
Monitoring unit 801, for monitoring two internodal optical fiber link utilization rates of all direct connection on the first optical fiber link in real time, wherein, the first optical fiber link is business lit fiber link between first node and Section Point;
Generation unit 802, when two internodal optical fiber link utilization rates of the arbitrary direct connection on the first optical fiber link are greater than two internodal optical fiber link utilization rate thresholdings of corresponding direct connection, for generating service alarm;
Search unit 803, for according to described service alarm search and the first virtual fiber link between first node and Section Point, wherein, the first virtual fiber link is can reach between first node and Section Point, but the optical fiber link do not activated the service;
Exemplary, the first virtual fiber link is the virtual fiber link of shortest path between first node and Section Point.
Switch unit 804, for the port of corresponding for all nodes on the first virtual fiber link the first virtual fiber link is switched to seizure condition from pre-seizure condition, makes the business between first node and Section Point use the first virtual fiber link.
Exemplary, network management system 80 can also comprise:
First acquiring unit 805, for obtaining the resource information in optical fiber link region to be planned, this resource information comprises nodal information;
Setup unit 806, for the resource information setting link scheduling rule according to optical fiber link region to be planned, this link scheduling rule comprises in optical fiber link region to be planned the optical fiber link utilization rate thresholding between fiber number and any two nodes needing respectively between any two nodes to take;
Second acquisition unit 807, for according to any two the internodal all virtual fiber links in resource information and link scheduling Rule optical fiber link to be planned region.
Exemplary, second acquisition unit 807 can also be used for: the link scheduling rule that the resource information obtained according to the first acquiring unit 805 and setup unit 806 set to be obtained any two the internodal all virtual fiber links in optical fiber link region to be planned by automatic placement algorithm according to the optical line of the Dijkstra's algorithm revised or correction.
Exemplary, second acquisition unit 807 can also be used for: when the nodes in optical fiber link region to be planned is less than 100, obtains any two the internodal all virtual fiber links in optical fiber link region to be planned according to Dijkstra's algorithm; When the nodes in optical fiber link region to be planned is more than or equal to 100, be M region by optical fiber link Region Segmentation to be planned, nodes in arbitrary region is less than 100, arbitrary region is obtained to any two the internodal all virtual fiber links in arbitrary region according to Dijkstra's algorithm, wherein, M is more than or equal to 2;
When the nodes in optical fiber link region to be planned is less than 100, to be obtained any two the internodal all virtual fiber links in optical fiber link region to be planned by automatic placement algorithm according to optical line; When the nodes in optical fiber link region to be planned is more than or equal to 100, be N number of region by optical fiber link Region Segmentation to be planned, nodes in arbitrary region is less than 100, arbitrary region to be obtained to any two the internodal all virtual fiber links in arbitrary region by automatic placement algorithm according to optical line, wherein, N is more than or equal to 2.
The embodiment of the present invention provides a kind of network management system 80, by making the jumper connection of virtual fiber link interior nodes, centralized and unified to complete and arrange node port be pre-seizure condition, when needs use, virtual fiber link interior nodes port is switched to seizure condition from taking in advance, thus raising fiber optic service opens speed, to overcome in prior art because traditional fiber optic service jumper connection needs workmen to arrive on-the-spot jumping fiber, make fiber optic service open slow-footed shortcoming.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.

Claims (12)

1. an optical fiber link dispatching method, is characterized in that, comprising:
Two internodal optical fiber link utilization rates of all direct connection on real-time monitoring first optical fiber link, wherein, described first optical fiber link is business lit fiber link between first node and Section Point;
When two internodal optical fiber link utilization rates of the arbitrary described direct connection on described first optical fiber link are greater than two internodal optical fiber link utilization rate thresholdings of corresponding described direct connection, generate service alarm;
According to described service alarm search and the first virtual fiber link between described first node and described Section Point, wherein, described first virtual fiber link is can reach between described first node and described Section Point, but the optical fiber link do not activated the service;
The port of corresponding for all nodes on described first virtual fiber link described first virtual fiber link is switched to seizure condition from pre-seizure condition, makes the business between described first node and described Section Point use described first virtual fiber link.
2. optical fiber link dispatching method according to claim 1, is characterized in that, described first virtual fiber link is the virtual fiber link of shortest path between described first node and described Section Point.
3. optical fiber link dispatching method according to claim 1 and 2, is characterized in that, before two internodal optical fiber link utilization rates of all direct connection on described real-time monitoring first optical fiber link, described method also comprises:
Obtain the resource information in optical fiber link region to be planned, described resource information comprises nodal information;
According to the resource information setting link scheduling rule in described optical fiber link region to be planned, described link scheduling rule comprises in described optical fiber link region to be planned the optical fiber link utilization rate thresholding between fiber number and any two nodes needing respectively between any two nodes to take;
Any two internodal all virtual fiber links in optical fiber link region to be planned according to described resource information and described link scheduling Rule.
4. optical fiber link dispatching method according to claim 3, is characterized in that, any two the internodal all virtual fiber links in described optical fiber link region to be planned according to described resource information and described link scheduling Rule, comprising:
Any two the internodal all virtual fiber links in described optical fiber link region to be planned are obtained according to the Dijkstra's algorithm of correction or the optical line of correction by automatic placement algorithm according to described resource information and described link scheduling rule.
5. optical fiber link dispatching method according to claim 4, it is characterized in that, described any two the internodal all virtual fiber links obtained according to described resource information and the regular Dijkstra's algorithm according to revising of described link scheduling in described optical fiber link region to be planned, comprising:
When the nodes in described optical fiber link region to be planned is less than 100, obtain any two the internodal all virtual fiber links in described optical fiber link region to be planned according to Dijkstra's algorithm;
When the nodes in described optical fiber link region to be planned is more than or equal to 100, be M region by described optical fiber link Region Segmentation to be planned, nodes in arbitrary region is less than 100, to described arbitrary region according to any two the internodal all virtual fiber links in the described arbitrary region of Dijkstra's algorithm acquisition, wherein, described M is more than or equal to 2.
6. optical fiber link dispatching method according to claim 4, it is characterized in that, to be obtained any two the internodal all virtual fiber links in described optical fiber link region to be planned according to described resource information and described link scheduling rule according to the optical line revised by automatic placement algorithm, comprising:
When the nodes in described optical fiber link region to be planned is less than 100, according to optical line by any two the internodal all virtual fiber links in the described optical fiber link region to be planned of automatic placement algorithm acquisition;
When the nodes in described optical fiber link region to be planned is more than or equal to 100, be N number of region by described optical fiber link Region Segmentation to be planned, nodes in arbitrary region is less than 100, described arbitrary region to be obtained to any two the internodal all virtual fiber links in described arbitrary region by automatic placement algorithm according to optical line, wherein, described N is more than or equal to 2.
7. a network management system, is characterized in that, described network management system comprises:
Monitoring unit, for monitoring two internodal optical fiber link utilization rates of all direct connection on the first optical fiber link in real time, wherein, described first optical fiber link is business lit fiber link between first node and Section Point;
Generation unit, when two internodal optical fiber link utilization rates of the arbitrary described direct connection on described first optical fiber link are greater than two internodal optical fiber link utilization rate thresholdings of corresponding described direct connection, for generating service alarm;
Search unit, for the first virtual fiber link searched for according to described service alarm and between described first node and described Section Point, wherein, described first virtual fiber link is can reach between described first node and described Section Point, but the optical fiber link do not activated the service;
Switch unit, for the port of corresponding for all nodes on described first virtual fiber link described first virtual fiber link is switched to seizure condition from pre-seizure condition, the business between described first node and described Section Point is made to use described first virtual fiber link.
8. network management system according to claim 7, is characterized in that, described first virtual fiber link is the virtual fiber link of shortest path between described first node and described Section Point.
9. the network management system according to claim 7 or 8, is characterized in that, described network management system also comprises:
First acquiring unit, for obtaining the resource information in optical fiber link region to be planned, described resource information comprises nodal information;
Setup unit, for the resource information setting link scheduling rule according to described optical fiber link region to be planned, described link scheduling rule comprises in described optical fiber link region to be planned the optical fiber link utilization rate thresholding between fiber number and any two nodes needing respectively between any two nodes to take;
Second acquisition unit, for any two the internodal all virtual fiber links in optical fiber link region to be planned according to described resource information and described link scheduling Rule.
10. network management system according to claim 9, is characterized in that,
Described second acquisition unit also to be obtained any two the internodal all virtual fiber links in described optical fiber link region to be planned by automatic placement algorithm according to the optical line of the Dijkstra's algorithm revised or correction for: the described link scheduling rule of the described resource information obtained according to described first acquiring unit and the setting of described setup unit.
11. network management systems according to claim 10, is characterized in that,
Described second acquisition unit also for: when the nodes in described optical fiber link region to be planned is less than 100, obtain any two the internodal all virtual fiber links in described optical fiber link region to be planned according to Dijkstra's algorithm; When the nodes in described optical fiber link region to be planned is more than or equal to 100, be M region by described optical fiber link Region Segmentation to be planned, nodes in arbitrary region is less than 100, to described arbitrary region according to any two the internodal all virtual fiber links in the described arbitrary region of Dijkstra's algorithm acquisition, wherein, described M is more than or equal to 2.
12. network management systems according to claim 10, is characterized in that,
Described second acquisition unit also for: when the nodes in described optical fiber link region to be planned is less than 100, to be obtained any two the internodal all virtual fiber links in described optical fiber link region to be planned by automatic placement algorithm according to optical line; When the nodes in described optical fiber link region to be planned is more than or equal to 100, be N number of region by described optical fiber link Region Segmentation to be planned, nodes in arbitrary region is less than 100, described arbitrary region to be obtained to any two the internodal all virtual fiber links in described arbitrary region by automatic placement algorithm according to optical line, wherein, described N is more than or equal to 2.
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