CN102833003A - Networking method and device of optical network - Google Patents
Networking method and device of optical network Download PDFInfo
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Abstract
The invention provides a networking method of an optical network and a networking device of the optical network. The networking method of the optical network comprises the following steps: an access node is classified into at least two access sets according to a preset business model, a core node is distributed to each access set; the position of a convergent node is determined and an optical fiber between the convergent node and the distributed core node is built according to the position of every access node of the access set and the position of the distributed core node. By adopting the networking method and device of the optical light, the optimization of the position allocation of the convergent node is realized, and the networking effect of the light network is improved.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of network-building method and device of optical-fiber network.
Background technology
Optical network plan is an important techniques of networking and operation maintenance aspect, and it is related to many-sided performance such as distribution, network extensibility of cost, the data transmission credibility in the network operation, the network service traffic of networking.Converging net is the important component part of optical-fiber network, and its reliability directly has influence on the performance of overall optical network.
In the prior art; Usually carry out the network planning through the analog simulation planning software; The analog simulation planning software mainly comprises the OpenPlan software of U.S. VPIsystems company, the Opnet of simulation software of Rong Qun telecommunication (OPNET technologies) company, the software Matalab of U.S. MathWorks company, the freeware NS2 (Network Simulator version 2) of University of California-Berkeley (UC Berkeley) exploitation and the ASON planning software On-Designer of U.S. CIENA Corp. etc.; These softwares are not directed to optical network plan, so a kind of proposition of network-building method of efficient succinct optical-fiber network becomes current problem demanding prompt solution.
Summary of the invention
The present invention provides a kind of light to converge network-building method and device, with the optimization that the position of realizing aggregation node is disposed, improves the networking effect of optical-fiber network.
The present invention provides a kind of network-building method of optical-fiber network, comprising:
Based on preset business model access node is divided at least two and inserts collection, distribute a core node for each inserts collection, wherein, said access collection comprises at least one access node;
For each said access collection,, confirm the position of aggregation node according to the position of the core node of the position of each said access node of said access collection and distribution;
Each said access node of setting up said access collection is connected with the optical fiber of said aggregation node, sets up said aggregation node and is connected with the optical fiber of the core node of said distribution.
The present invention provides a kind of network device of optical-fiber network, comprising:
Access node is divided module, is used for based on preset business model access node being divided at least two and inserts collection, distributes a core node for each inserts collection, and wherein, said access collection comprises at least one access node;
The aggregation node determination module is used for for each said access collection, according to the position of the core node of the position of each said access node of said access collection and distribution, confirms the position of aggregation node;
The networking module, each the said access node that is used to set up said access collection is connected with the optical fiber of said aggregation node, sets up said aggregation node and is connected with the optical fiber of the core node of said distribution.
Can know by technique scheme; The network-building method of optical-fiber network provided by the invention and device; The network device of optical-fiber network is divided at least two according to preset business model with access node and inserts collection, distributes a core node for each inserts collection, inserts collection for each; Insert the position of core node of position and distribution of each access node of collection according to this; Confirm the position of aggregation node, set up each access node that inserts collection and be connected, set up aggregation node and be connected with the optical fiber of the core node of distribution with the optical fiber of above-mentioned aggregation node.According to preset business model access node is classified, can improve the harmony of user's access and flow.Confirm the position of aggregation node again according to the position of the core node of the position of each access node and distribution, realized the optimization that the position of aggregation node is disposed, also greatly reduce optical fiber wiring cost in the optical-fiber network networking process, improved the networking effect of optical-fiber network.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
The flow chart of the network-building method of the optical-fiber network that Fig. 1 provides for the embodiment of the invention;
Fig. 2 confirms the method sketch map for first kind of aggregation node that the embodiment of the invention provides;
Fig. 3 a is that second kind of aggregation node that the embodiment of the invention provides confirmed the method sketch map;
Fig. 3 b is that the third aggregation node that the embodiment of the invention provides is confirmed the method sketch map;
Fig. 4 confirms the method sketch map for the 4th kind of aggregation node that the embodiment of the invention provides;
A kind of optical-fiber network networking structure sketch map that Fig. 5 provides for the embodiment of the invention;
The another kind of optical-fiber network networking structure sketch map that Fig. 6 provides for the embodiment of the invention;
The network device structural representation of the optical-fiber network that Fig. 7 provides for the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The flow chart of the network-building method of the optical-fiber network that Fig. 1 provides for the embodiment of the invention; As shown in Figure 1; The network-building method that the light that present embodiment provides converges net specifically can be applied to the networking process in the optical network plan, and optical-fiber network specifically can comprise Access Network, converge net and core net, and the network equipment in the Access Network is an access node; The network equipment that converges in the net is an aggregation node, and the network equipment in the core net is a core node.The network-building method of the optical-fiber network that present embodiment provides specifically can be carried out through the network device of optical-fiber network, and the network device of this optical-fiber network can adopt software and/or hardware mode to realize.
The network-building method of the optical-fiber network that present embodiment provides specifically comprises:
Step 101, based on preset business model access node being divided at least two and inserting collection, is that each inserts collection and distributes a core node, and wherein, this accesss collects and comprises at least one access node;
Step 102, insert collection,, confirm the position of aggregation node according to this position of core node of position and distribution of inserting each access node of collection for each;
Each access node that step 103, foundation insert collection is connected with the optical fiber of above-mentioned aggregation node, sets up aggregation node and is connected with the optical fiber of the core node of distribution.
Specifically, have a plurality of access nodes in the Access Network of optical-fiber network, subscriber equipment can insert Access Network through access node.The geographical position at each access node place is different, and the type of service of each access node is also different with the flow that is produced.Can analyze the factors such as position, type of service, service route and service traffics of access node in advance; Preset business model is set; And will treat that according to preset business model the access node of networking classifies; Be divided at least two and insert collection, each inserts to concentrate and comprises at least one access node.Based on the position of core node in the core net and performance indications etc., be that each inserts collection and distributes a core node, to adapt to the professional ability that inserts collection, the core node of different access collection can be the same or different.
Insert collection for each; Confirm the position of aggregation node based on the position of the core node of position of insert concentrating each access node and distribution; Particularly, aggregation node is more or less the same to the distance of each access node and core node, with the optimization that realizes that the aggregation node position is disposed.On this basis, set up each access node and be connected, set up aggregation node and be connected, be connected with core node through this aggregation node to realize access node with the optical fiber of core node with the optical fiber of aggregation node.
The network-building method of the optical-fiber network that present embodiment provides; Specifically comprise: according to preset business model access node is divided at least two and inserts collection, distribute a core node, insert collection for each for each inserts collection; Insert the position of core node of position and distribution of each access node of collection according to this; Confirm the position of aggregation node, set up each access node that inserts collection and be connected, set up aggregation node and be connected with the optical fiber of the core node of distribution with the optical fiber of above-mentioned aggregation node.According to preset business model access node is classified, can improve the harmony of user's access and flow.Confirm the position of aggregation node again according to the position of the core node of the position of each access node and distribution, realized the optimization that the position of aggregation node is disposed, also greatly reduce optical fiber wiring cost in the optical-fiber network networking process, improved the networking effect of optical-fiber network.
In the present embodiment, step 101 is divided at least two based on preset business model with access node and inserts collection, specifically can comprise:
Type of service, service traffics and position based on access node are divided at least two access collection with access node.
It is different to insert the quantity of concentrating access node, confirms that the mode of the position of aggregation node also can be different.Be elaborated in conjunction with definite process of following examples, still, it will be appreciated by those skilled in the art that, can also adopt other modes to confirm the position of aggregation node, do not exceed with present embodiment to the position of aggregation node.
Fig. 2 confirms the method sketch map for first kind of aggregation node that the embodiment of the invention provides.As shown in Figure 2, in the present embodiment, in the step 102,, confirm the position of aggregation node according to the position of the core node of the position of each access node that inserts collection and distribution, specifically can comprise:
If n=1, the mid point of core node that then will insert access node and the distribution of collection is confirmed as the position of aggregation node, and wherein, n collects the quantity of included access node for access.
In first kind of implementation; If insert to concentrate and include only an access node A1; Then the mid point of the core node E line of this access node A1 and distribution is confirmed as the position of this aggregation node B1; Aggregation node B1 equates with distance to core node E to the distance of access node A1, this implementation through aggregation node with access node to core node apart from five equilibrium, realize the optimization that the position of aggregation node is disposed.
In the present embodiment, step 102 according to the position of the core node of the position of each access node that inserts collection and distribution, is confirmed the position of aggregation node, comprising:
If 2≤n≤12, the center of circle and the mid point of the core node of distribution that then will comprise the circle of each access node that inserts collection are confirmed as the position of aggregation node, and wherein, n is for inserting the quantity of the access node that collects included.
In second kind of implementation, if the number of the access node of insert concentrating is 2, the mid point of core node that will comprise the center of circle and the distribution of the minimum circle of the radius of 2 access nodes that insert collection is confirmed as the position of aggregation node.Fig. 3 a is that second kind of aggregation node that the embodiment of the invention provides confirmed the method sketch map.Shown in Fig. 3 a; In actual application; Insert collection and comprise two access nodes, be respectively access point A1 and access point A2, can confirm the mid point N1 of access node A1 and access point A2 line; This mid point N1 is linked to each other with core node E, get the position of the mid point of mid point N1 and core node E line again as aggregation node B1.The position of the aggregation node of so confirming is more or less the same apart from the distance of core node and access node; Fig. 3 b is that the third aggregation node that the embodiment of the invention provides is confirmed the method sketch map; Shown in Fig. 3 b; If the number of the access node of insert concentrating is 3≤n≤12, access point A1 ~ access point A7 inserts the access node of concentrating, and confirms to comprise the minimum circle of a radius of each access node; Connect the center of circle R2 and the core node E of this circle, the mid point of these 2 lines is as the position of aggregation node B1.Through above-mentioned implementation, solved confirming of access node number 2≤n≤12 o'clock aggregation node, realized the optimization that the position of aggregation node is disposed.
Fig. 4 confirms the method sketch map for the 4th kind of aggregation node that the embodiment of the invention provides.As shown in Figure 4, in the present embodiment, step 102 according to the position of the core node of the position of each access node that inserts collection and distribution, is confirmed the position of aggregation node, specifically can comprise:
If n >=13, then calculating inserts the variance of the abscissa of each access node that collects, and generates first variance, calculates the variance of the ordinate that inserts each access node that collects, and generates second variance;
Greater than second variance, each access node that then will insert collection sorts according to abscissa is ascending as if first variance, and begins from the minimum access node of abscissa, is divided at least two sons with each access node that will insert collection and organizes; Organize for each son:
If m=1, then the mid point of the core node of the access node of child group and distribution is confirmed as the position corresponding to the aggregation node of child group;
If 2≤m≤12, the position corresponding to the aggregation node of child group is confirmed as at the center of core node of the center of circle and distribution of circle that will comprise each access node of son group.
Greater than first variance, each access node that then will insert collection sorts according to ordinate is ascending as if second variance, and begins from the minimum access node of ordinate, and each access node that inserts collection is divided at least two sub-groups:
Organize for each son:
If m=1 then confirms as the position corresponding to the aggregation node of child group with the mid point of the core node of access node and distribution in the child group;
If 2≤m≤12, the position corresponding to the aggregation node of child group is confirmed as at the center of core node that will comprise the center of circle and the distribution of the circle of each access node in the son group.
Wherein, n is for inserting the quantity of the included access node of collection, and m is the quantity of the included access node of son group.
Particularly; If n >=13 according to the geographical position of inserting the access node of concentrating, are called horizontal collection to the set that inserts the abscissa of concentrating access node; The set that inserts the ordinate of concentrating access node is called vertical collection; Calculate the variance of horizontal collection and vertical collection and the size of the two relatively respectively, the set that variance is bigger is divided into two son groups that number equates or differ an access node according to coordinate figure principle from small to large, like the number of access node in the fruit group still greater than 12; Then continue to split according to this principle, the number of the access node in each son group smaller or equal to 12 till.Can be unit with 12 access nodes also, mark off 12 access nodes as a son group at every turn, the number of access node be less than or equal to till 12 during to the last a son was organized.The definite method that has split aggregation node in the experimental process group that finishes is following: when having only 1 access point in this child group, for example, be that unit carries out in the process of the sub division of organizing with 12 access nodes, the quantity of access point possibly be 1 in last height group.Under this kind situation, the mid point of the core node of this access node and distribution is confirmed as the position corresponding to the aggregation node of child group.The number of the access point in the group group is not 1 o'clock, confirms to comprise the circle of a minimum of all access nodes in each son group, connects each center of circle and core node respectively, and then the mid point of the center of circle and core node line then is each position of inserting the aggregation node of collection.In this case, the number of aggregation node is at least two.As shown in Figure 4; Access node A1 ~ access node A13 is respectively the average access node that splits two son groups of coming out according to the size of more horizontal ordinate variance; The access point that first son comprises in organizing is respectively access node A1 ~ access node A7, and the access point that second son comprises in organizing is respectively access node A8 ~ access node A13, confirms to comprise the center of circle R1 and the center of circle R2 of the circle of access node in each son group respectively; Connect center of circle R1 and core node E; The mid point of center of circle R1 and core node E is the position of aggregation node B1, connects center of circle R2 and core node E, and the mid point of the line of center of circle R2 and core node E is the position of aggregation node B2.Aggregation node is set by the way, has realized the reliability that data transmit, further improved the reliability of optical-fiber network networking.
In the present embodiment, in the step 103, set up each access node that inserts collection and be connected, specifically can comprise with the optical fiber of aggregation node:
Each access node that inserts collection and aggregation node are formed first set, confirm that minimum access node or the aggregation node of abscissa is the 1st node in first set;
Confirm and the nearest i node of i-1 nodal distance from removing access node or the aggregation node of the 1st node to the i-1 node of first set;
Set up the 1st node successively and connect, and the S node is set up optical fiber with the 1st node be connected to the optical fiber of S node;
Wherein, i is an integer, and i is greater than 1 and be less than or equal to the quantity and the S of each access node and aggregation node in first set.
Now describe with the concrete grammar that the optical fiber of aggregation node is connected for setting up access node in conjunction with following embodiment.But, it will be appreciated by those skilled in the art that, can also adopt other modes to confirm the method that optical fiber connects, do not exceed with present embodiment.
A kind of optical-fiber network networking structure sketch map that Fig. 5 provides for the embodiment of the invention.As shown in Figure 5; The optical fiber connection procedure of each access node and aggregation node specifically can for: confirm that in first set that aggregation node B and access node A3, access node A4, access node A5, access node A6, access node A7 constitute the minimum access node A4 of abscissa is as the 1st node; From first set, confirm then except that access node A4 apart from the nearest access node A5 of access node A4 as the 2nd node; Confirm access node A6, access node A7 and aggregation node B successively through said method again; And access node A3; Connect access node A4, access node A5, access node A6, access node A7, aggregation node B and access node A3 then in order, set up access node A3 more at last and be connected with the optical fiber of access node A4.Through being connected at the optical fiber of setting up ring-type between access node and the aggregation node, when a direction transmits data and breaks down, can accomplish data by other direction and transmit, ensured the reliability that data transmit.
In the present embodiment, step 103 is set up aggregation node and is connected with the optical fiber of the core node of distribution, specifically can comprise:
If two core nodes that insert the collection distribution are identical, then that core node and each access is corresponding aggregation node is formed second and is gathered, and confirms that the core node or the aggregation node of abscissa minimum in second set is the 1st node;
Confirm and the nearest j node of j-1 nodal distance from removing core node or the aggregation node of the 1st node to the j-1 node of second set;
Set up the 1st node successively and connect, and the P node is set up optical fiber with the 1st node be connected to the optical fiber of P node;
Wherein, j is an integer, and j is greater than 1 and be less than or equal to the quantity and the P of each core node and aggregation node in second set.
Now describe with the concrete grammar that the optical fiber of core node is connected for setting up aggregation node in conjunction with following embodiment.But, it will be appreciated by those skilled in the art that, can also adopt other modes to confirm the method that optical fiber connects, do not exceed with present embodiment.
The another kind of optical-fiber network networking structure sketch map that Fig. 6 provides for the embodiment of the invention.As shown in Figure 6; Aggregation node B1, aggregation node B2, aggregation node B3, aggregation node B4 and core node E form second set; Confirm that the minimum aggregation node of abscissa is aggregation node B2 in second set; With aggregation node B2 as the 1st node, confirm then in second set except that aggregation node B2 apart from the nearest aggregation node B3 of aggregation node B2 as the 2nd node, again through said method definite successively aggregation node B4, core node E and aggregation node B1; Set up aggregation node B2, aggregation node B3, aggregation node B4, core node E and the optical fiber of aggregation node B1 successively and be connected, and aggregation node B1 is connected with the optical fiber of aggregation node B2.Through being connected with annular fiber between the aggregation node at core node, use identical syndeton with access node and aggregation node, not only practice thrift the ability that the optical fiber cost also has two-way transfer of data, ensure the reliability in the data transfer procedure.
The network device structural representation of the optical-fiber network that Fig. 7 provides for the embodiment of the invention.As shown in Figure 7, the network device of the optical-fiber network that present embodiment provides specifically can be realized each step of the network-building method of the optical-fiber network that any embodiment of the present invention provides, repeats no more at this.The network device of the optical-fiber network that present embodiment provides specifically comprises access node division module 11, aggregation node determination module 12 and networking module 13; Access node is divided module 11 and is used for according to preset type of service access node being divided at least two access collection; For inserting collection, each distributes a core node; Wherein, insert collection and comprise at least one access node.Aggregation node determination module 12 is used for inserting collection for each, according to the position of the core node of the position of each access node that inserts collection and distribution, confirms the position of aggregation node.Networking module 13 is used to set up each access node that inserts collection and is connected with the optical fiber of aggregation node, sets up aggregation node and is connected with the optical fiber of the core node of distribution.
The network device of the optical-fiber network that present embodiment provides; Access node is divided module 11 and according to preset business model access node is divided at least two access collection; For inserting collection, each distributes a core node; Aggregation node determination module 12 inserts collection for each, according to this position of core node of position and distribution of inserting each access node of collection, confirms the position of aggregation node; Networking module 13 is set up each access node that inserts collection and is connected with the optical fiber of above-mentioned aggregation node, sets up aggregation node and is connected with the optical fiber of the core node of distribution.According to preset business model access node is classified, can improve the harmony of user's access and flow.Confirm the position of aggregation node again according to the position of the core node of the position of each access node and distribution, realized the optimization that the position of aggregation node is disposed, also greatly reduce optical fiber wiring cost in the optical-fiber network networking process, improved the networking effect of optical-fiber network.
In the present embodiment, type of service, service traffics and position that access node division module 11 also is used for based on access node are divided at least two access collection with access node, through the division of access node, can improve the harmony of user's access and flow.
In the present embodiment, if aggregation node determination module 12 can also be used for n=1, and the mid point of core node that then will insert access node and the distribution of collection is confirmed as the position of aggregation node, and wherein, n collects the quantity of included access node for access.
In the present embodiment; If aggregation node determination module 12 can also be used for 2≤n≤12; The center of circle and the mid point of the core node of distribution that then will comprise the circle of each access node that inserts collection are confirmed as the position of aggregation node, and wherein, n is for inserting the quantity of the access node that collects included.
In the present embodiment, aggregation node determination module 12 also is used for:
If n >=13, then calculating inserts the variance of the abscissa of each access node that collects, and generates first variance, calculates the variance of the ordinate that inserts each access node that collects, and generates second variance;
Greater than second variance, each access node that then will insert collection sorts according to abscissa is ascending as if first variance, and begins from the minimum access node of abscissa, is divided at least two sons with each access node that will insert collection and organizes; For each son group
If m=1, then the mid point of the core node of the access node of child group and distribution is confirmed as the position corresponding to the aggregation node of child group;
If 2≤m≤12, the mid point of core node of the center of circle and distribution of circle that will comprise each access node of son group is confirmed as the position corresponding to the aggregation node of child group;
Greater than first variance, each access node that then will insert collection sorts according to ordinate is ascending as if second variance, and begins from the minimum access node of abscissa, and each access node that inserts collection is divided at least two sub-groups; For each son group
If m=1 then confirms as the position corresponding to the aggregation node of child group with the mid point of the core node of access node and distribution in the child group;
If 2≤m≤12, the mid point of core node that will comprise the center of circle and the distribution of the circle of each access node in the son group is confirmed as the position corresponding to the aggregation node of child group.
Wherein, n is for inserting the quantity of the included access node of collection, and m is the quantity of the included access node of son group.
The aggregation node of confirming through the said method of present embodiment is more or less the same with the distance that inserts collection and core node; Realized the optimization of the position deployment of aggregation node; Also greatly reduce optical fiber wiring cost in the optical-fiber network networking process, improve the networking effect of optical-fiber network.It is different to insert the quantity of concentrating access node, confirms that the mode of the position of aggregation node also can be different, does not exceed with present embodiment.
In the present embodiment, networking module 13 can also be used for:
Each access node that inserts collection and aggregation node are formed first set, confirm that minimum access node or the aggregation node of abscissa is the 1st node in first set;
Confirm and the nearest i node of i-1 nodal distance from removing access node or the aggregation node of the 1st node to the i-1 node of first set;
Set up the 1st node successively and connect, and the S node is set up optical fiber with the 1st node be connected to the optical fiber of S node;
Wherein, i is an integer, and i is greater than 1 and be less than or equal to the quantity and the S of each access node and aggregation node in first set.
In the present embodiment, networking module 13 can also be used for:
If two core nodes that insert the collection distribution are identical, then that core node and each access is corresponding aggregation node is formed second and is gathered, and confirms that the core node or the aggregation node of abscissa minimum in second set is the 1st node;
Confirm and the nearest j node of j-1 nodal distance from removing core node or the aggregation node of the 1st node to the j-1 node of second set;
Set up the 1st node successively and connect, and the P node is set up optical fiber with the 1st node be connected to the optical fiber of P node;
Wherein, j is an integer, and j is greater than 1 and be less than or equal to the quantity and the P of each core node and aggregation node in second set.
The network-building method of optical-fiber network of the present invention and device; The position of the geographical distribution through analysis user access network flow, service route, core node; The aggregation networks that make up to connect regional user, with satisfy user's access, flow equalization, with low cost, support the single node trouble-free domestic universal telecommunication service request that lost efficacy.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (14)
1. the network-building method of an optical-fiber network is characterized in that, comprising:
Based on preset business model access node is divided at least two and inserts collection, distribute a core node for each inserts collection, wherein, said access collection comprises at least one access node;
For each said access collection,, confirm the position of aggregation node according to the position of the core node of the position of each said access node of said access collection and distribution;
Each said access node of setting up said access collection is connected with the optical fiber of said aggregation node, sets up said aggregation node and is connected with the optical fiber of the core node of said distribution.
2. the network-building method of optical-fiber network according to claim 1 is characterized in that, the preset business model of said basis is divided at least two with access node and inserts collection, comprising:
Type of service, service traffics and position based on access node are divided at least two access collection with access node.
3. the network-building method of optical-fiber network according to claim 1 is characterized in that, the position of the position of said each said access node according to said access collection and the core node of distribution is confirmed the position of aggregation node to comprise:
If n=1, then the mid point of the core node of the said access node of said access collection and said distribution is confirmed as the position of said aggregation node, wherein, n is the quantity of the included access node of said access collection.
4. the network-building method of optical-fiber network according to claim 1 is characterized in that, the position of the position of said each said access node according to said access collection and the core node of distribution is confirmed the position of aggregation node to comprise:
If 2≤n≤12, the mid point of core node of the center of circle and said distribution of circle that then will comprise each said access node of said access collection is confirmed as the position of said aggregation node, and wherein, n is the quantity of the included access node of said access collection.
5. the network-building method of optical-fiber network according to claim 1 is characterized in that, the position of the position of said each said access node according to said access collection and the core node of distribution is confirmed the position of aggregation node to comprise:
If n >=13, then calculate the variance of abscissa of each said access node of said access collection, generate first variance, calculate the variance of ordinate of each said access node of said access collection, generate second variance;
If said first variance is greater than said second variance; Then each the said access node with said access collection sorts according to abscissa is ascending; And begin from the minimum access node of abscissa, be divided at least two son groups with each said access node with said access collection; For each son group
If m=1, then the mid point of the core node of the said access node of said son group and said distribution is confirmed as the position corresponding to the aggregation node of said son group;
If 2≤m≤12, the position of the aggregation node of organizing corresponding to said son is confirmed as at the center of circle and the center of the core node of said distribution of circle that will comprise each said access node of said son group;
If said second variance is greater than said first variance; Then each the said access node with said access collection sorts according to ordinate is ascending; And begin from the minimum access node of ordinate, each said access node of said access collection is divided at least two son groups; For each son group
If m=1 then confirms as the position corresponding to the aggregation node of said son group with the mid point of the core node of said access node and said distribution in the said son group;
If 2≤m≤12, the position of the aggregation node of organizing corresponding to said son is confirmed as at the center of circle that will comprise the circle of each said access node in the said son group and the center of the core node of said distribution.
Wherein, n is the quantity of the included access node of said access collection, and m is the quantity of the included access node of said son group.
6. the network-building method of optical-fiber network according to claim 1 is characterized in that, said each said access node of setting up said access collection is connected with the optical fiber of said aggregation node, comprising:
Each the said access node and the said aggregation node of said access collection are formed first set, confirm that minimum access node or the aggregation node of abscissa is the 1st node in said first set;
Confirm and the nearest i node of said i-1 nodal distance from removing access node or the aggregation node of said the 1st node to the i-1 node of said first set;
Set up said the 1st node successively and connect, and said S node is set up optical fiber with said the 1st node be connected to the optical fiber of S node;
Wherein, said i is an integer, and i is greater than 1 and be less than or equal to the quantity and the S of each said access node and said aggregation node in said first set.
7. the network-building method of optical-fiber network according to claim 1 is characterized in that: saidly set up said aggregation node and be connected with the optical fiber of the core node of said distribution, comprising:
If two identical, then that the said access of said core node and each is corresponding aggregation node composition second set of core node that said access collection distributes confirm that the core node or the aggregation node of abscissa minimum in said second set is the 1st node;
Confirm and the nearest j node of said j-1 nodal distance from removing core node or the aggregation node of said the 1st node to the j-1 node of said second set;
Set up said the 1st node successively and connect, and said P node is set up optical fiber with said the 1st node be connected to the optical fiber of P node;
Wherein, said j is an integer, and j is greater than 1 and be less than or equal to the quantity and the P of each said core node and said aggregation node in said second set.
8. the network device of an optical-fiber network is characterized in that, comprising:
Access node is divided module, is used for based on preset business model access node being divided at least two and inserts collection, distributes a core node for each inserts collection, and wherein, said access collection comprises at least one access node;
The aggregation node determination module is used for for each said access collection, according to the position of the core node of the position of each said access node of said access collection and distribution, confirms the position of aggregation node;
The networking module, each the said access node that is used to set up said access collection is connected with the optical fiber of said aggregation node, sets up said aggregation node and is connected with the optical fiber of the core node of said distribution.
9. the network device of optical-fiber network according to claim 8 is characterized in that: said access node is divided module and also is used for type of service, service traffics and position according to access node and access node is divided at least two inserts collection.
10. the network device of optical-fiber network according to claim 8; It is characterized in that: if said aggregation node determination module also is used for n=1; Then the mid point of the core node of the said access node of said access collection and said distribution is confirmed as the position of said aggregation node; Wherein, n is the quantity of the included access node of said access collection.
11. the network device of optical-fiber network according to claim 8; It is characterized in that: if said aggregation node determination module also is used for 2≤n≤12; The mid point of core node of the center of circle and said distribution of circle that then will comprise each said access node of said access collection is confirmed as the position of said aggregation node; Wherein, n is the quantity of the included access node of said access collection.
12. the network device of optical-fiber network according to claim 8 is characterized in that, said aggregation node determination module also is used for:
If n >=13, then calculate the variance of abscissa of each said access node of said access collection, generate first variance, calculate the variance of ordinate of each said access node of said access collection, generate second variance;
If said first variance is greater than said second variance; Then each the said access node with said access collection sorts according to abscissa is ascending; And begin from the minimum access node of abscissa, be divided at least two son groups with each said access node with said access collection; For each son group
If m=1, then the mid point of the core node of the said access node of said son group and said distribution is confirmed as the position corresponding to the aggregation node of said son group;
If 2≤m≤12, the center of circle and the mid point of the core node of said distribution of circle that will comprise each said access node of said son group confirmed as the position of the aggregation node of organizing corresponding to said son;
If said second variance is greater than said first variance; Then each the said access node with said access collection sorts according to ordinate is ascending; And begin from the minimum access node of abscissa, each said access node of said access collection is divided at least two son groups; For each son group
If m=1 then confirms as the position corresponding to the aggregation node of said son group with the mid point of the core node of said access node and said distribution in the said son group;
If 2≤m≤12, the center of circle that will comprise the circle of each said access node in the said son group and the mid point of the core node of said distribution are confirmed as the position of the aggregation node of organizing corresponding to said son.
Wherein, n is the quantity of the included access node of said access collection, and m is the quantity of the included access node of said son group.
13. the network device of optical-fiber network according to claim 8 is characterized in that, said networking module also is used for:
Each the said access node and the said aggregation node of said access collection are formed first set, confirm that minimum access node or the aggregation node of abscissa is the 1st node in said first set;
Confirm and the nearest i node of said i-1 nodal distance from removing access node or the aggregation node of said the 1st node to the i-1 node of said first set;
Set up said the 1st node successively and connect, and said S node is set up optical fiber with said the 1st node be connected to the optical fiber of S node;
Wherein, said i is an integer, and i is greater than 1 and be less than or equal to the quantity and the S of each said access node and said aggregation node in said first set.
14. the network device of optical-fiber network according to claim 8 is characterized in that, said networking module also is used for:
If two identical, then that the said access of said core node and each is corresponding aggregation node composition second set of core node that said access collection distributes confirm that the core node or the aggregation node of abscissa minimum in said second set is the 1st node;
Confirm and the nearest j node of said j-1 nodal distance from removing core node or the aggregation node of said the 1st node to the j-1 node of said second set;
Set up said the 1st node successively and connect, and said P node is set up optical fiber with said the 1st node be connected to the optical fiber of P node;
Wherein, said j is an integer, and j is greater than 1 and be less than or equal to the quantity and the P of each said core node and said aggregation node in said second set.
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