CN106330294A - Business control method and device in optical communication network - Google Patents
Business control method and device in optical communication network Download PDFInfo
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- CN106330294A CN106330294A CN201510342637.3A CN201510342637A CN106330294A CN 106330294 A CN106330294 A CN 106330294A CN 201510342637 A CN201510342637 A CN 201510342637A CN 106330294 A CN106330294 A CN 106330294A
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- section
- replaced
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- service path
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/03—Arrangements for fault recovery
- H04B10/032—Arrangements for fault recovery using working and protection systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/03—Arrangements for fault recovery
- H04B10/038—Arrangements for fault recovery using bypasses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a business control method and device in an optical communication network. The method comprises the following steps: obtaining damaged business in the case of fiber cut, determining a business path where the damaged business is located, and then finding a target replacement path for the business path to replace the same. That is, timely optical layer scheduling is carried out on the damaged business in the case of fiber cut, so that the damaged business can be recovered quickly and effectively to meet the survivability requirements of the network and provide guarantee for the planning assumption of the network.
Description
Technical field
The present invention relates to optical communication field, be specifically related to the service control method in a kind of optical communication network and dress
Put.
Background technology
In optical communication field, OTN (optical transfer network, Optical Transport Network) network is made
For the network integration indispensability sharp weapon of full-service operation, heterogeneous networks can be merged, solve cable resource not enough,
Offer repeat in work is dispatched, and promotes internet security, it is provided that big bandwidth transmission.OTN technology includes photosphere and electricity
The complete architecture of layer, photosphere and electric layer all have network survivability mechanism.And OTN network is at disconnected fibre
In the case of how to carry out the problem of route recovery and also have to consider period at planning construction.And it is so-called disconnected
Fine planning, is i.e. under certain disconnected fine scene, goes again to find route for affected business, to protect
Demonstrate,prove the unimpeded of network.Here disconnected fibre refers to that in network, two internodal optical fiber links disconnections cannot use, disconnected
Fine scene can be that an optical fiber link disconnects, or in network, the most a plurality of optical fiber link disconnects, it is also possible to
A plurality of optical fiber link successively disconnects.And once disconnected fine scene occurs in network, substantial amounts of business will be interrupted, make
Become huge loss.Therefore impaired business recovery is allowed to seem more and more heavier the most quickly, reliably when disconnected fibre
Want.
Summary of the invention
The main technical problem to be solved in the present invention is to provide the service control method in a kind of optical communication network
And device, the problem of fast quick-recovery impaired business when solving resolution fibre.
For solving above-mentioned technical problem, the present invention provides the service control method in a kind of optical communication network, bag
Include:
Impaired business is obtained during disconnected fibre；
Determine the service path at described impaired business place；
Search target replacement path for described service path to switch over.
In an embodiment of the present invention, search target replacement path for described service path and switch over bag
Include:
Determine the section to be replaced on described service path；
Search target replacement section for described section to be replaced to switch over.
In an embodiment of the present invention, determine that the section to be replaced on described service path includes:
Directly all sections forming described service path are all defined as section to be replaced；
Or using section impaired on described service path as section to be replaced；
Or first using section impaired on described service path as section to be replaced, looking into for this section to be replaced
When looking for target replacement path failure, more gradually int section extension on described service path, until will
The all sections forming described service path are all defined as section to be replaced；
Or first using section impaired on described service path as section to be replaced, looking into for this section to be replaced
When looking for target replacement path failure, directly all sections forming described service path are all defined as to be replaced
Section.
In an embodiment of the present invention, described service path switched over include:
The wavelength that section distribution is identical with described section to be replaced is replaced for described target.
In an embodiment of the present invention, section distribution and described section to be replaced phase are replaced for described target
With wavelength failure time, replace the section distribution wavelength different from described section to be replaced for described target.
In an embodiment of the present invention, search target replacement path for described service path and be replaced mistake
When losing, also include: newly-increased path, described service path is switched on described newly-increased path.
In order to solve the problems referred to above, present invention also offers the business control device in a kind of optical communication network,
Including:
Impaired business acquisition module, impaired business during for obtaining disconnected fibre；
Service path determines module, for determining the service path at described impaired business place；
First control module, switches over for searching target replacement path for described service path.
In an embodiment of the present invention, described first control module includes determining submodule, processing submodule
Block；
Described determine that submodule is for the section to be replaced determining on described service path；
Described process submodule switches over for searching target replacement section for described section to be replaced.
It is in an embodiment of the present invention, described that to determine that submodule determines on described service path to be replaced
Section includes:
Directly all sections forming described service path are all defined as section to be replaced；
Or using section impaired on described service path as section to be replaced；
Or first using section impaired on described service path as section to be replaced, looking into for this section to be replaced
When looking for target replacement path failure, more gradually int section extension on described service path, until will
The all sections forming described service path are all defined as section to be replaced；
Or first using section impaired on described service path as section to be replaced, looking into for this section to be replaced
When looking for target replacement path failure, directly all sections forming described service path are all defined as to be replaced
Section.
In an embodiment of the present invention, also include:
Path increases module, is replaced unsuccessfully stylish for searching target replacement path for described service path
Increase path；
Second control module, for being switched to described newly-increased path by described service path.
The invention has the beneficial effects as follows:
Service control method in the optical communication network that the present invention provides and device, obtain impaired industry when disconnected fibre
Business, determines the service path at impaired business place, then searches target replacement path for this service path and carry out
Switching.Namely the present invention disconnected fine time carry out photosphere scheduling timely for impaired business, therefore so that
Impaired business is recovered fast and effectively thus is met the survivability protection requirement of network, for the planning of network
Assume to provide safeguard.
Accompanying drawing explanation
Service control method schematic flow sheet in the optical communication network that Fig. 1 provides for the embodiment of the present invention one；
Service control method flow process signal in another optical communication network that Fig. 2 provides for the embodiment of the present invention one
Figure；
Business control device structural representation in the optical communication network that Fig. 3 provides for the embodiment of the present invention two；
The optical communication network diagram that Fig. 4 provides for the embodiment of the present invention three；
Service control method schematic flow sheet in the optical communication network that Fig. 5 provides for the embodiment of the present invention three.
Detailed description of the invention
Combine accompanying drawing below by detailed description of the invention the present invention is described in further detail.
Embodiment one:
Service control method shown in Figure 1, in the optical communication network that the present embodiment provides, at disconnected fibre
Scene, collects impaired business, the most first the impaired business collected is carried out photosphere scheduling, and its process refers to
Shown in Fig. 1, including:
Step 101: obtain impaired business during disconnected fibre；
Step 102: determine the service path at impaired business place；
Step 103: search target replacement path for service path and switch over.
Photosphere timely can be carried out when disconnected fibre for impaired business by said process to dispatch, therefore can make
Impaired business recovered fast and effectively thus meet network survivability protection requirement, for the rule of network
Draw hypothesis to provide safeguard.
In above-mentioned steps 103, switch over for service path lookup target replacement path and include:
Determine the section to be replaced on service path；
Search target replacement section for section to be replaced to switch over.
When determining the section to be replaced on service path, multiplexing as far as possible and separation two of trying one's best can be used former
Then；
During employing multiplexing principle as far as possible, can be using section impaired on service path as section to be replaced；Or,
First using section impaired on service path as section to be replaced, replace searching target for this section to be replaced
During the failure of path, more gradually int section extension on service path, until by composition service path
All sections are all defined as section to be replaced；Or, first using section impaired on service path as road to be replaced
Section, when searching target replacement path failure for this section to be replaced, directly owning composition service path
Section is all defined as section to be replaced.
During employing separation principle as far as possible, can directly all sections of composition service path be all defined as to be replaced
Section.
In above-mentioned steps 103, service path is switched over and includes:
First replace, for target, the wavelength that section distribution is identical with section to be replaced；Replace section if target to divide
When joining the wavelength failure identical with section to be replaced, different from section to be replaced replacing section distribution for target
Wavelength, the most then need order attempt different ripple.
When above-mentioned steps 103 is searched target replacement path failure for service path or is switched over unsuccessfully,
Namely carrying out photosphere when dispatching unsuccessfully, the present embodiment also can carry out electric layer scheduling to this impaired business, the most then
Need to increase path newly for this impaired business, the service path of this impaired business is switched on newly-increased path.This
Time need increase veneer port newly at node.
In summary, the present embodiment can first carry out photosphere scheduling, pin when disconnected fibre for impaired business
Photosphere is dispatched impaired business unsuccessfully and also can carry out business recovery by electric layer scheduling further.Below with collection
The form closed illustrates, shown in Figure 2, including:
Step 201, for this disconnected fine scene, collects all impaired business TS；
Step 202 first carries out photosphere scheduling, and collects photosphere successful business TS1 of scheduling；
Step 203 is deleted photosphere from all of impaired collection of services TS and is dispatched successful collection of services TS1,
Obtain photosphere and dispatch impaired business TS2 unsuccessfully；
Impaired business TS2 that photosphere is dispatched unsuccessfully by step 204 carries out electric layer scheduling；
Step 205 terminates disconnected fibre planning.
Embodiment two:
Shown in Figure 3, present embodiments provide the business control device in a kind of optical communication network, bag
Include:
Impaired business acquisition module 1, impaired business during for obtaining disconnected fibre；
Service path determines module 2, for determining the service path at impaired business place；
First control module 3, switches over for searching target replacement path for service path.
First control module 3 includes determining submodule, processing submodule；
Determine that submodule, for the section to be replaced determining on service path, specifically includes:
Use multiplexing principle as far as possible, using section impaired on service path as section to be replaced；Or, first will
Target replacement path, as section to be replaced, is being searched for this section to be replaced in section impaired on service path
During failure, more gradually int section extension on service path, until owning composition service path
Section is all defined as section to be replaced；Or, first using section impaired on service path as section to be replaced,
When searching target replacement path failure for this section to be replaced, directly by all sections of composition service path
All it is defined as section to be replaced.
Use separation principle as far as possible, directly all sections of composition service path are all defined as section to be replaced.
Process submodule to switch over for searching target replacement section for section to be replaced.
Business control device in optical communication network also includes that path increases module 4, in the first control module
3 increase path newly when being replaced unsuccessfully for service path lookup target replacement path；Namely impaired business is being entered
When row photosphere is dispatched unsuccessfully, carry out electric layer scheduling for this impaired business；
Second control module 5, for being switched to newly-increased path by service path.
Embodiment three:
In order to be better understood from the present invention, below as a example by a concrete networking, the present invention is done further
Exemplary illustration.
Shown in Figure 4, solid line represents that optical fiber, dotted line represent the business between two websites.At website 001
And between 004, create a business, it is designated as T (1-4)；A business is created between website 003 and 004,
It is designated as T (3-4).The service path of business T (1-4) walks 001-002-003-004, the business of business T (3-4)
3-4 is walked in path.Assume that, on 003-004 optical fiber, two service convergences become Same Wavelength.Business T (1-4) institute
Section, path on 001-002 and 002-003 optical fiber, account for same ripple；Business T (1-4) and business T (3-4)
Section, path on optical fiber 003-004, take same ripple.
Fig. 5 is on networking foundation shown in Fig. 4, and disconnected fine scene is that 002-003 optical fiber breaks, and opens such as figure, 4 institutes
Showing, control process now is as follows:
Step 501: collect all impaired business TS；When optical fiber 2-3 is impaired, the business of business T (1-4)
Path is through this optical fiber, and business is affected, and the service path of business T (3-4) is not through this optical fiber,
Unaffected.So the business in the set of all impaired business TS is T (1-4)；
Step 502: impaired business is carried out photosphere scheduling；The feature of photosphere scheduling is will not in scheduling process
Newly-increased veneer port, this process is:
Impaired optical fiber is 2-3 optical fiber, and the most impaired FA of FA section at this optical fiber place is 1-2-3.
Service path for impaired business finds alternative service path set；If user uses multiplexing as far as possible
Strategy, when looking for replacement FA, system can attempt multiplexing intact optical fiber 1-2, and 2,3 nodes are found and substituted optical fiber,
Due to the most alternative, therefore expanded scope again, from 1,3 nodes are found, and can find alternative path 1-5-3.
If user uses and separates strategy as far as possible, system is directly from 1, and 3 nodes find alternative path, evade as far as possible and being subject to
Damage all optical fiber of road strength, this topological diagram can find path 1-5-3；
The alternative path 1-5-3 found, the alternative path thus generating business is 1-5-3-4.Then it is
This path allocation wavelength, is only required to be new-found alternative route distribution wavelength, first attempts and original impaired path
Identical wavelength, if identical wavelength is unavailable, then order attempts different ripple.
If photosphere is dispatched successfully, then business T (1-4) can be dispatched to 1-5-3-4, preserves this result.Now it is subject to
Damaging optical fiber to have traveled through, it is empty that photosphere dispatches failed collection of services TS2；If photosphere is dispatched unsuccessfully, now
Impaired optical fiber has traveled through, comprises business T (1-4) in collection of services TS2 that photosphere scheduling is failed.
Step 503: judge that photosphere scheduling is the most successful, in this way, go to step 504；Otherwise, step is gone to
505；
Step 504: complete for current impaired traffic scheduling, proceeds to next impaired business.
Step 505:TS2 comprises business T (1-4), business T (1-4) is carried out electric layer scheduling.Electric layer is adjusted
Need the when of spending to increase veneer port newly at node.In the present embodiment, after new resource, business T (1-4) can
The path that can walk is 1-5-3-4 or 1-6-4；
Step 506: complete for current impaired traffic scheduling, proceeds to next impaired business.
In the case of more complicated network topology and portfolio are bigger, disconnected fine planning side described in the invention
Method can find restoration path for business in the case of saving resource as far as possible fast and effectively.
Above content is to combine specific embodiment further description made for the present invention, it is impossible to recognize
Determine the present invention be embodied as be confined to these explanations.Ordinary skill for the technical field of the invention
For personnel, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace,
All should be considered as belonging to protection scope of the present invention.
Claims (10)
1. the service control method in an optical communication network, it is characterised in that including:
Impaired business is obtained during disconnected fibre；
Determine the service path at described impaired business place；
Search target replacement path for described service path to switch over.
2. the service control method in optical communication network as claimed in claim 1, it is characterised in that
Switch over for described service path lookup target replacement path and include:
Determine the section to be replaced on described service path；
Search target replacement section for described section to be replaced to switch over.
3. the service control method in optical communication network as claimed in claim 2, it is characterised in that
Determine that the section to be replaced on described service path includes:
Directly all sections forming described service path are all defined as section to be replaced；
Or using section impaired on described service path as section to be replaced；
Or first using section impaired on described service path as section to be replaced, looking into for this section to be replaced
When looking for target replacement path failure, more gradually int section extension on described service path, until will
The all sections forming described service path are all defined as section to be replaced；
Or first using section impaired on described service path as section to be replaced, looking into for this section to be replaced
When looking for target replacement path failure, directly all sections forming described service path are all defined as to be replaced
Section.
4. the service control method in optical communication network as claimed in claim 2 or claim 3, its feature exists
In, described service path is switched over and includes:
The wavelength that section distribution is identical with described section to be replaced is replaced for described target.
5. the service control method in optical communication network as claimed in claim 4, it is characterised in that
When distributing the wavelength failure identical with described section to be replaced for described target replacement section, replace for described target
Change the wavelength that section distribution is different from described section to be replaced.
6. the service control method in the optical communication network as described in any one of claim 1-3, it is special
Levy and be, when being replaced unsuccessfully for described service path lookup target replacement path, also include: newly-increased road
Footpath, is switched to described service path on described newly-increased path.
7. the business control device in an optical communication network, it is characterised in that including:
Impaired business acquisition module, impaired business during for obtaining disconnected fibre；
Service path determines module, for determining the service path at described impaired business place；
First control module, switches over for searching target replacement path for described service path.
8. the business control device in optical communication network as claimed in claim 7, it is characterised in that
Described first control module includes determining submodule, processing submodule；
Described determine that submodule is for the section to be replaced determining on described service path；
Described process submodule switches over for searching target replacement section for described section to be replaced.
9. the business control device in optical communication network as claimed in claim 8, it is characterised in that
The described section to be replaced determining that submodule determines on described service path includes:
Directly all sections forming described service path are all defined as section to be replaced；
Or using section impaired on described service path as section to be replaced；
Or first using section impaired on described service path as section to be replaced, looking into for this section to be replaced
When looking for target replacement path failure, more gradually int section extension on described service path, until will
The all sections forming described service path are all defined as section to be replaced；
Or first using section impaired on described service path as section to be replaced, looking into for this section to be replaced
When looking for target replacement path failure, directly all sections forming described service path are all defined as to be replaced
Section.
10. the business control device in the optical communication network as described in any one of claim 7-9, it is special
Levy and be, also include:
Path increases module, is replaced unsuccessfully stylish for searching target replacement path for described service path
Increase path；
Second control module, for being switched to described newly-increased path by described service path.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510342637.3A CN106330294A (en) | 2015-06-18 | 2015-06-18 | Business control method and device in optical communication network |
| PCT/CN2016/080535 WO2016202104A1 (en) | 2015-06-18 | 2016-04-28 | Method and apparatus for service control in optical communications network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510342637.3A CN106330294A (en) | 2015-06-18 | 2015-06-18 | Business control method and device in optical communication network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106330294A true CN106330294A (en) | 2017-01-11 |
Family
ID=57545016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510342637.3A Withdrawn CN106330294A (en) | 2015-06-18 | 2015-06-18 | Business control method and device in optical communication network |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106330294A (en) |
| WO (1) | WO2016202104A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231301A (en) * | 2017-07-24 | 2017-10-03 | 华信咨询设计研究院有限公司 | A kind of optical cable substitutes route determining methods and system |
| CN107248952A (en) * | 2017-07-24 | 2017-10-13 | 华信咨询设计研究院有限公司 | A kind of business substitutes route determining methods and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010038471A1 (en) * | 2000-03-03 | 2001-11-08 | Niraj Agrawal | Fault communication for network distributed restoration |
| CN101001170A (en) * | 2006-01-10 | 2007-07-18 | 华为技术有限公司 | Service failure recovery method |
| CN101047440A (en) * | 2006-05-10 | 2007-10-03 | 华为技术有限公司 | Method of service route return |
-
2015
- 2015-06-18 CN CN201510342637.3A patent/CN106330294A/en not_active Withdrawn
-
2016
- 2016-04-28 WO PCT/CN2016/080535 patent/WO2016202104A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010038471A1 (en) * | 2000-03-03 | 2001-11-08 | Niraj Agrawal | Fault communication for network distributed restoration |
| CN101001170A (en) * | 2006-01-10 | 2007-07-18 | 华为技术有限公司 | Service failure recovery method |
| CN101047440A (en) * | 2006-05-10 | 2007-10-03 | 华为技术有限公司 | Method of service route return |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231301A (en) * | 2017-07-24 | 2017-10-03 | 华信咨询设计研究院有限公司 | A kind of optical cable substitutes route determining methods and system |
| CN107248952A (en) * | 2017-07-24 | 2017-10-13 | 华信咨询设计研究院有限公司 | A kind of business substitutes route determining methods and system |
| CN107248952B (en) * | 2017-07-24 | 2020-06-05 | 华信咨询设计研究院有限公司 | Method and system for determining service alternative route |
| CN107231301B (en) * | 2017-07-24 | 2020-11-13 | 华信咨询设计研究院有限公司 | Optical cable replacement route determining method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016202104A1 (en) | 2016-12-22 |
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Application publication date: 20170111 |