CN1791015A - Design method for grouping service in optical transmission communication network - Google Patents
Design method for grouping service in optical transmission communication network Download PDFInfo
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Abstract
The invention discloses a design method for grouping business in OTCN, which comprises: 1. dividing network business into business group and business network group; 2. according to relation of business group, dividing business group born on OTCCN to opposite business network group; 3. after determining business group, for business network request, uniform configuring business in business group to determine rout constrained condition, reliability, survivability, and performance. The advantages of this invention include: 1. describing precisely the transmission service quality request of business network; 2. reducing congestion for user circuit when presenting fault; 3. improves reliability, survivability, and performance to meet transmission service quality request.
Description
Technical field
The present invention relates to fiber optic communication field, relate to be applied to the method for designing that optical transmission communication network divides into groups to business specifically.
Background technology
Optical transmission communication network planning is meant by a series of technical methods with design, determine technical schemes such as the network topology of optical transmission communication network in building, equipment disposition, trunk bandwidth, business arrangement, make it can solve given business demand, and satisfy constraintss such as rational construction cost, feasible engineering construction and operation maintenance easily.
The business demand and the professional requirement to transmission of definite network at first wanted in optical transmission communication network planning and design.At present, business demand usually adopts the mode of traffic matrix, can describe the attribute such as office direction, quantity, particle of business demand; But the method for expressing of this business demand can only be described the part base attribute of single business, can't describe the tissue of service network, can't specifically describe professional requirement to transmission, also can't unify to describe to one group of business with same alike result.
Along with networks development such as the Internet (IP network), ATM(Asynchronous Transfer Mode), professional quantity and particle are increasing; Professional requirement to transmission is also more and more, as the requirement of congestion ratio, the requirement that the route risk is separated etc.Simultaneously, the planning of transmission network and design also need to understand the tissue of service network, the correlation between the business.Address that need, optical transmission communication network planning needs to propose a kind of new method with design, is used for the tissue of clearer and more definite description service network, professional requirement to transmission, realizes corresponding planning and design function, thereby satisfies service network to transmission requirement.
Summary of the invention
The objective of the invention is to propose a kind of method for designing that optical transmission communication network divides into groups to business that is applied to.
For achieving the above object, the present invention can take following technical proposals:
Of the present inventionly be applied to the method for designing that optical transmission communication network divides into groups to business, comprise the steps:
The first step is divided into service groups and service network group with Network;
Described service groups is meant the set that business constituted with same characteristic features; Professional same characteristic features comprises: identical source point, phase homoclinic point, transmission is had identical technical parameter requirement; Requirement to transmission comprises requirements such as route restriction condition, reliability, survivability, performance; With transmission network institute loaded service, be divided into different service groups according to different features; And, optical transmission communication network institute loaded service is divided in the corresponding business group according to requirement with same characteristic features;
Described service network group is meant in the relevant set that service groups constituted of service network aspect; Transmission network institute loaded service group is divided into the service network group according to corresponding relation; The corresponding relation of described service network group comprises: belong to same aspect circuit, belong to the dual-homed circuit of same node etc.;
In second step,, optical transmission communication network institute loaded service group is divided in the corresponding business net group according to the relation between the service groups;
The 3rd step, after having determined service groups,, the business in the service groups is carried out unified setting according to the requirement of service network, determine requirements such as professional route restriction condition, reliability, survivability, performance.
In order to reduce the congestion ratio of subscriber line circuit when the network failure, after finishing described the 3rd step, need carry out traffic sharing to the business in the same service groups; The business that is about in the same service groups is shared some different routes, adopts node separation, link disjoint, risk separation etc. to separate technical scheme between these routes.
Because adopt abovementioned technology, the present invention has the following advantages and effect:
1, the tissue of optical transmission communication network institute loaded service net has accurately been described, correlation between the business, and professional requirement to transmission, the technical scheme of business arrangements such as professional survivability strategy, professional route had improved the requirement of service network for transmission service quality greatly during thereby more rational definite transmission network was built.
2, when network breaks down, affected probability is less simultaneously to be in different routes professional, thus the congestion ratio of subscriber line circuit when having reduced fault.
3, by the service groups grouping, can unify to describe to attribute professional in the same service groups, carry out unified planning and designing to professional in the same service groups, in same service groups, realize the routing policy of traffic sharing.
4, by service network component group, can the tissue of service network be described, transmission network be carried out planning and designing according to the characteristic and the requirement of service network.
5, by grouping to service network, improved reliability, survivability and the performance of service network greatly, satisfy the requirement of service network for transmission service quality.
Description of drawings
Fig. 1 is a traffic packets structural representation of the present invention.
Fig. 2 is the planning and designing instance graph of employing traffic packets of the present invention.
Embodiment
Embodiment:
As shown in the figure, (in Fig. 1, Fig. 2, TG represents service groups, and SNG represents the service network group, and SN represents the set of all business of service network.) of the present inventionly be applied to the method for designing that optical transmission communication network divides into groups to business, comprise the steps:
The first step is divided into service groups TG and service network group SNG with Network;
Described service groups TG is meant the set that business constituted with same characteristic features; Professional same characteristic features comprises: identical source point, phase homoclinic point, transmission is had identical technical parameter requirement; Requirement to transmission comprises requirements such as route restriction condition, reliability, survivability, performance; With transmission network institute loaded service, be divided among the different service groups TG according to different features; And, optical transmission communication network institute loaded service is divided among the corresponding business group TG according to requirement with same characteristic features;
Described service network group SNG is meant in the relevant set that service groups TG constituted of service network aspect; The loaded service group TG of transmission network institute is divided into service network group SNG according to corresponding relation; The corresponding relation of described service network group SNG comprises: belong to same aspect circuit, belong to the dual-homed circuit of same node etc.;
In second step,, the loaded service group TG of optical transmission communication network institute is divided among the corresponding business net group SNG according to the relation between the service groups TG;
The 3rd step, after having determined service groups TG,, the business in the service groups TG is carried out unified setting according to the requirement of service network, determine requirements such as professional route restriction condition, reliability, survivability, performance.
In order to reduce the congestion ratio of subscriber line circuit when the network failure, after finishing described the 3rd step, need carry out traffic sharing to the business in the same service groups TG; The business that is about in the same service groups TG is shared some different routes, adopts node separation, link disjoint, risk separation etc. to separate technical scheme between these routes.
In order to describe method of the present invention in detail, be example at this with a real network, the target that function realizes is to adopt method of the present invention to plan and design to optical transmission communication network as shown in Figure 2.The step that realizes is as follows:
(1) service network setting
Service network has A, B, three nodes of C, and wherein A, B are core node, and C is an aggregation node; The C node is dual-homed to A, B node.The service network circuit has A-B, C-A, C-B; A-B is the core layer circuit, and C-A, C-B are the dual-homed circuit of convergence-level C node.
(2) transmission network setting
Transmission network has A, B, C, D, six nodes of E, F, and the transmission network link is A-B, A-D, B-D, C-D, C-E, E-F, F-A.The transmission network loaded service is A-B, C-A, C-B.
(3) service groups grouping
According to service groups rule of classification and service network tissue, be divided into three service groups, be respectively: TG1={A-B}, TG2={C-A}, TG3={C-B}.
(4) service network component group
According to service network component group rule and service network tissue, be divided into two service network groups, be respectively: SNG1={TG1}, SNG2={TG2, TG3}.
(5) transmission requirement setting
TG1 is a service network core layer circuit, is made as route quantity and is 2 traffic sharing, and TG2, TG3 do not do special requirement; SNG1 does not do special requirement, and SNG2 is the dual-homed circuit of C node, and TG2, TG3 adopt the routing policy that route is separated in the requirement group.
(6) traffic sharing
Business needs to adopt traffic sharing in the TG1.According to the transmission network structure, two routes are set to respectively: A-B, A-D-B.
(7) route is separated
TG2, TG3 adopt route to separate in the SNG2 group.According to the transmission network structure, professional route is set in the TG2: professional route is set in the C-E-F-A, TG3: C-D-B.
Claims (2)
1, a kind ofly is applied to the method for designing that optical transmission communication network divides into groups to business, it is characterized in that: comprise the steps:
The first step is divided into service groups and service network group with Network;
Described service groups is meant the set that business constituted with same characteristic features; Professional same characteristic features comprises: identical source point, phase homoclinic point, transmission is had identical technical parameter requirement; Requirement to transmission comprises requirements such as route restriction condition, reliability, survivability, performance; With transmission network institute loaded service, be divided into different service groups according to different features; And, optical transmission communication network institute loaded service is divided in the corresponding business group according to requirement with same characteristic features;
Described service network group is meant in the relevant set that service groups constituted of service network aspect; Transmission network institute loaded service group is divided into the service network group according to corresponding relation; The corresponding relation of described service network group comprises: belong to same aspect circuit, belong to the dual-homed circuit of same node etc.;
In second step,, optical transmission communication network institute loaded service group is divided in the corresponding business net group according to the relation between the service groups;
The 3rd step, after having determined service groups,, the business in the service groups is carried out unified setting according to the requirement of service network, determine requirements such as professional route restriction condition, reliability, survivability, performance.
2, method according to claim 1 is characterized in that: in order to reduce the congestion ratio of subscriber line circuit when the network failure, after finishing described the 3rd step, need carry out traffic sharing to the business in the same service groups; The business that is about in the same service groups is shared some different routes, adopts node separation, link disjoint, risk separation etc. to separate technical scheme between these routes.
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| CNB2005101072309A CN100365999C (en) | 2005-12-01 | 2005-12-01 | Design method for grouping service in optical transmission communication network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101389149B (en) * | 2008-10-28 | 2010-11-17 | 中讯邮电咨询设计院 | Signal batch processing method applied in ASON |
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| US6061335A (en) * | 1997-07-24 | 2000-05-09 | At&T Corp | Method for designing SONET ring networks suitable for local access |
| US6487177B1 (en) * | 1998-06-12 | 2002-11-26 | Nortel Networks Limited | Method and system for enhancing communications efficiency in data communications networks |
| CN100486171C (en) * | 2003-04-24 | 2009-05-06 | 华为技术有限公司 | Method for realizing transactions according to rules between sub networks in resource allocation of optical synchronizaton data transportation network |
| CN100486203C (en) * | 2003-04-24 | 2009-05-06 | 华为技术有限公司 | Method for realizing transactions according to rules within sub network in resource allocation of optical synchronization data transportation network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101389149B (en) * | 2008-10-28 | 2010-11-17 | 中讯邮电咨询设计院 | Signal batch processing method applied in ASON |
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