CN101022361A - Metod and device for transmitting fusion business - Google Patents
Metod and device for transmitting fusion business Download PDFInfo
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- CN101022361A CN101022361A CN 200710086592 CN200710086592A CN101022361A CN 101022361 A CN101022361 A CN 101022361A CN 200710086592 CN200710086592 CN 200710086592 CN 200710086592 A CN200710086592 A CN 200710086592A CN 101022361 A CN101022361 A CN 101022361A
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Abstract
A method for transmitting merged service includes selecting multiplex section link and countermark exchange path passed by merged service to be transmitted, setting up relevant virtual multiplex section link for countermark exchange path passed by said merged service and using channel formed by said multiplex section link and said virtual multiplex section link to transmit said merged service.
Description
Technical field
The present invention relates to communication technical field, specifically a kind of method of transmitting fusion business and device.
Background technology
Traditional SDH (Synchronous Digital Hierarchy, SDH (Synchronous Digital Hierarchy)) network is formed by the optical cable interconnection by the SDH network element device.In traditional SDH network, owing to professional do not possess the attribute that heavy-route is arranged, professional reliability depends on the network topology structure be made up of the geometry arrangement of network element and transmission line and the protection of device level to a great extent.Therefore, its reliability is lower.
ASON (Automatically switched optical network, ASON) is the optical transport network of new generation that has intelligent characteristic, can finish optical-fiber network exchange linkage function automatically.It is made up of some intelligent net elements, carries out signaling transmission and exchange, information multiplexing and cross-coupled network on fiber optic network.On the basis of the automatic discovery of Internet resources and topological structure, call dynamic and intelligent routing algorithm, handle with mutual, set up end to end connection as required by distributed signaling, for business provides reliable network level recovery capability, realize the automatic heavy-route that failure condition connects down simultaneously.Therefore, its reliability wants high many than traditional SDH network.
But traditional SDH network development is almost covered the every nook and cranny till now.Consider the cost problem, the ASON network can not substitute traditional SDH network in a short time fully.From the angle of reality, in long period of time, transmission network will be made of jointly ASON equipment and traditional SDH equipment.Under the situation of ASON equipment and traditional SDH equipment mixed networking, the business that will have is passed through SDH equipment and ASON equipment simultaneously.If the attribute that professional path has heavy-route at ASON environment division (or wherein a certain section), we then call fused business to this business.The networking of Intelligent Fusion business as shown in Figure 1.
In the prior art, fused business the route of process generally form by label switched path and multiplex section link, but the management of label switched path and multiplex section link is managed respectively, both can not form end-to-end path.As shown in Figure 2, in network management system, the resource of traditional SDH network is embodied on the single network element, i.e. light mouth, time slot on the network element single-board., the path of business then is that the interconnection by these network element internals forms.
The ASON smart machine also has interconnection information, in the time of on the present equipment of IN service final body, also by the interconnection information representation.But, on control plane, for convenience business to be transmitted, business presents with form end to end.Webmaster has been inherited the way of control plane, and IN service also is to adopt end-to-end form.
Network management system has following dual mode to the processing of fused business:
First kind is traditional SDH equipment and intelligent ASON equipment separate management, regards isolated as, does not get in touch.Like this, the traditional business of fused business will be expressed as the interconnection information of network element, and the intelligence section is then with end-to-end form performance.Article one, fused business is divided into several sections paths (or several business), and this does not meet user's custom, and the user more is ready to see a complete path end to end.
The second way is as shown in Figure 3: guard system is by with intelligent net element communication, obtain all LSP/FA_LSP (Labelswitched Path/Forwarding Adjacent Label switched Path, label switched path/forwarding adjacency body one label switched path), search for the intersection information on other network elements again.If intersection information can link together with LSP/FA_LSP, form path end to end, then become fused business.Wherein, the intelligence section is still managed with other IN services simultaneously together.
Said method all can not be realized transmission end to end to fused business.
Summary of the invention
The invention provides a kind of method and the device that can realize end-to-end transmission to fused business.
The embodiment of the method for a kind of transmitting fusion business of the present invention may further comprise the steps:
Select the multiplex section link and the label switched path that will pass through for fused business waiting for transmission;
For described label switched path is created corresponding virtual multiplex section link;
The passage that fused business is formed by described multiplex section link and described virtual multiplex section link transmits.
The embodiment of the device of a kind of transmitting fusion business of the present invention comprises:
Select module, be used to multiplex section link and the label switched path of selecting fused business waiting for transmission to pass through;
Virtual multiplex section link generation module is used to described label switched path to create corresponding virtual multiplex section link, and described virtual multiplex section link and described multiplex section link are formed the passage of the described fused business of transmission.
Embodiments of the invention are because the label switched path that will pass through for fused business has been created virtual multiplex section link, and complete route of the common composition of the real multiplex section link that this virtual multiplex section link and fused business will pass through, be used for transmitting fusion business, therefore, realized end-to-end transmission to fused business.
Description of drawings
Fig. 1 is the networking schematic diagram of Intelligent Fusion technology in the prior art;
Fig. 2 is the path schematic diagram of the network management system of SDH network traditional in the prior art;
Fig. 3 is the path schematic diagram of the network management system that traditional SDH network combines with the ASON network in the prior art;
Fig. 4 is the flow chart of a kind of embodiment of the method for transmitting fusion business of the present invention;
Fig. 5 is the network structure of a kind of embodiment of the method for transmitting fusion business;
Fig. 6 is the flow chart of another kind of embodiment of the method for transmitting fusion business of the present invention;
Fig. 7 is the flow chart of a kind of specific embodiment of middle deletion transmission channel step embodiment illustrated in fig. 6;
Fig. 8 is the flow chart of the another kind of specific embodiment of middle deletion transmission channel step embodiment illustrated in fig. 6;
Fig. 9 is the structure principle chart of a kind of embodiment of the device of transmitting fusion business of the present invention;
Figure 10 is the structural representation of the embodiment of fused business creation module;
Figure 11 is the structural representation of a kind of embodiment of fused business removing module;
Figure 12 is the structural representation of the another kind of embodiment of fused business removing module.
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
As shown in Figure 4, as an embodiment of the method for transmitting fusion business of the present invention, its step is as follows:
Step 401: select the multiplex section link and the label switched path that will pass through for fused business waiting for transmission;
Step 402: for the label switched path that described fused business will pass through is created corresponding virtual multiplex section link;
Step 403: the passage that described fused business is formed by described multiplex section link and described virtual multiplex section link transmits.
In the present embodiment, the capacity of virtual multiplex section link is preferably identical with the capacity of its fused business that will transmit, so that both can satisfy the requirement of transmitting fusion business, economizes on resources as much as possible again.
When label switched path is the interlude of fused business in a section of fused business of non-service layer path or service layer path, the source end of the virtual multiplex section link that generates according to label switched path is the endpoint information of the source end of label switched path, the endpoint information of the Su Duan of the Su Duanwei label switched path of virtual multiplex section link.
When label switched path is the source end of fused business in service layer path or place end, the source end of the virtual multiplex section link that generates according to label switched path is the source end of the LSP/FA_LSP of fused business, the link of the final jump of the LSP/FA_LSP of the Su Duanwei fused business of the virtual multiplex section link that generates according to label switched path and the junction of LSP/FA_LSP place network element.
In the above-described embodiments, the multiplex section link is meant that the light mouth speed of connection is STM (Synchronous TransmissionModule, synchronous transfer module)-other link of N level, and wherein N refers to the number of VC (Virtual Concatenation, virtual) 4.The path of fused business process represents that with professional TP information and a section link (multiplex section link and virtual multiplex section link) link is represented a jumping of route.
An embodiment that speed is the VC4 business as shown in Figure 5, the 4th time slot of the light mouth 1 of network element A is as the source end of label switched path, the 5th time slot of the light mouth 2 of network element C is as the Su Duan of label switched path, and the centre is through the 3rd time slot of link 1, the 6th time slot of link 2.
Can know interconnection information in each network element from above-mentioned information.Form interconnection as the 4th time slot of: the light mouth 1 of network element A and the 3rd time slot of light mouth 2; The 6th time slot of the 3rd time slot of the light mouth 3 of network element B and light mouth 4 forms interconnection; The 5th time slot of the 6th time slot of the light mouth 1 of network element C and light mouth 2 forms interconnection.
The label switched path of fused business is all invented the multiplex section link, and fused business transmits jointly by this multiplex section link and real multiplex section link.Fused business can be represented with form end to end like this.Concrete way is: the every strip label switching path according to fused business generates corresponding virtual multiplex section link, and the capacity of virtual multiplex section link and the capacity of fused business preferably are consistent.For example the bandwidth of fused business is VC4, and the capacity of then virtual multiplex section link is STM-1, and a time slot is arranged; Service bandwidth is 4VC4, and the capacity of then virtual multiplex section link is STM-4, and four time slots are arranged; Other can the rest may be inferred.Fused business passes through these virtual multiplex sections and multiplex section link transmission, and can occupy all time interval resources of virtual multiplex section link.Like this, fused business will be path end to end in the model on backstage, can follow traditional business, IN service equivalent processes.Certainly, the capacity of virtual multiplex section link also can be different with the capacity of fused business, and for example greater than the capacity of fused business, then fused business can not take all time interval resources of virtual multiplex section link.
As shown in Figure 6, in this embodiment, increased the step of checking procedure and deletion route:
Step 601: select the multiplex section link and the label switched path that will pass through for fused business waiting for transmission;
Step 602: can selected multiplex section link of verification and label switched path form end-to-end path, if can, carry out step 603; If can not, carry out step 604;
Create the intelligence section for the fused business that will carry out in advance, the intelligence section is label switched path;
Step 603: create corresponding virtual multiplex section link for label switched path, this virtual multiplex section link forms end-to-end path with selected multiplex section link, i.e. the passage of transmitting fusion business;
Step 604: the passage that described fused business is formed by described multiplex section link and described virtual multiplex section link transmits, and behind the end of transmission, carry out step 605;
Step 605: the transmission channel of deletion transmitting fusion business, the i.e. end-to-end path of forming jointly by multiplex section link and virtual multiplex section link.
In step 603, in order to bear the fused business that will carry out fully, do not waste resource again, the capacity of the virtual multiplex section link of being created is identical with the capacity of the fused business that will transmit.In other embodiments, the capacity of the virtual multiplex section link of being created can be greater than the capacity of the fused business that will transmit, and thinks that the fused business that will transmit reserves certain redundancy capacity.
In the present embodiment, for label switched path has been created corresponding virtual multiplex section link, utilize this virtual multiplex section link and real virtual multiplex section link to form end-to-end path jointly, thereby can carry out unified management the path of fused business, convenient efficient.
As shown in Figure 7, an embodiment of the transmission route of deletion fused business may further comprise the steps:
Step 701: one section link selecting the transmission channel of fused business;
Step 702: judge whether selected this section link is virtual multiplex section link, and this virtual multiplex section link is also not deleted, if carry out step 703; If not, carry out step 704;
Step 703: delete the virtual multiplex section link of selected this section link, and behind the virtual multiplex section link of deletion, delete corresponding label switched path;
Step 704: judge in the passage of transmitting fusion business whether also have the not link of selected mistake, if carry out step 705; If not, finish;
Step 705: select one section link, carry out step 702～704.
In the present embodiment, after fused business was finished, virtual multiplex section link on the transmission channel of deletion fused business and corresponding label switched path discharged resource.
As shown in Figure 8, another embodiment of the transmission route of deletion fused business may further comprise the steps:
Step 801: the label switched path in the transmission channel of selection composition fused business;
Step 802: delete the pairing virtual multiplex section link of this label switched path;
Step 803: delete this label switched path, finish.
In the present embodiment, directly select label switched path to handle, need not judge again that whether this section is virtual multiplex section link, has simplified processing procedure.
As shown in Figure 9, a kind of embodiment of the device of transmitting fusion business of the present invention comprises with lower module:
Virtual multiplex section link generation module 902, the label switched path that is used to described fused business to pass through are created corresponding virtual multiplex section link, and this virtual multiplex section link and described multiplex section link are formed the passage of the described fused business of transmission.
In the present embodiment, because the label switched path according to fused business has generated virtual multiplex section link, this virtual multiplex section link is formed end-to-end path with real multiplex section link and carried fused business, thereby can carry out unified management to the path of fused business, and is convenient efficient.
As shown in figure 10, a kind of embodiment of the device of transmitting fusion business comprises with lower module:
Virtual multiplex section link generation module 1003, the label switched path that is used to described fused business to pass through are created corresponding virtual multiplex section link, and this virtual multiplex section link and described multiplex section link are formed the passage of the described fused business of transmission;
Removing module 1004 is used for after fused business has transmitted ratio, the transmission channel of deletion fused business process.
In the present embodiment, inspection module and removing module have been increased.Removing module is after fused business is finished, and virtual multiplex section link on the transmission channel of deletion fused business and corresponding label switched path discharge resource.By create corresponding virtual multiplex section link for label switched path, utilize this virtual multiplex section link and real virtual multiplex section link to form end-to-end path jointly, thereby can carry out unified management the path of fused business.
As shown in figure 11, a kind of embodiment of removing module specifically comprises with lower module:
Link is judged submodule 1102, is used to judge whether selected this section link is virtual multiplex section link, and judges whether this virtual multiplex section link is not deleted, and the result is fed back to deletion submodule 1103 and judges submodule 1104;
As shown in figure 12, the fused business removing module can also have another kind of execution mode, comprises with lower module:
Link circuit deleting submodule 1202 is used to delete the selected label switched path corresponding virtual multiplex section link that goes out of described Path selection submodule;
In the present embodiment, directly select to form the label switched path of route by Path selection submodule 1201, and need not judge whether selected this section is virtual multiplex section link, therefore, simplified the formation of device.
When the method for the transmitting fusion business in the embodiment of the invention is made stand alone software, any kind storage medium that this software can be stored in embodied on computer readable as in.For example this software can be stored in the recording medium, as inserting the discoid medium of computer system driver, adopts magnetic, optics or magneto-optic mode stored information; Perhaps can be stored in the fixedly recording medium such as the hard disk drive of computer system, perhaps in the solid-state computer memory.During use, the storage medium of software program code of realizing the function of the various embodiments described above is offered system or equipment, utilize the computer (perhaps CPU or MPU) of system or equipment to realize this function by reading and carry out the program code that is stored in the storage medium.In this case, realized function in the above-described embodiments from the program code itself that storage medium is read, program code stored storage medium has constituted the present invention.
This situation comprises that not only the function in the foregoing description wherein carries out the situation that program code that it reads is implemented by computer, and comprise wherein when computer institute based on operating system etc. according to the situation about partly or entirely being implemented of the instruction execution practical programs of program code.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (10)
1, a kind of method of transmitting fusion business is characterized in that: may further comprise the steps:
Select the multiplex section link and the label switched path that will pass through for fused business waiting for transmission;
For described label switched path is created corresponding virtual multiplex section link;
The passage that fused business is formed by described multiplex section link and described virtual multiplex section link transmits.
2, the method for transmitting fusion business according to claim 1 is characterized in that: after the label switched path that will pass through for fused business waiting for transmission is created corresponding virtual multiplex section link, further comprising the steps of:
Can described multiplex section link of verification and described label switched path form end-to-end path, if can, carry out the step that the described label switched path that will pass through for fused business is created corresponding virtual multiplex section link; If can not, return and describedly select the multiplex section link that will pass through and the step of label switched path for fused business waiting for transmission.
3, the method for transmitting fusion business according to claim 1 and 2 is characterized in that: after described fused business transmission is finished, delete the passage of described fused business process.
4, the method for transmitting fusion business according to claim 3 is characterized in that: the step of the passage of described deletion fused business process is:
One section link of selector channel judge whether this section link is virtual multiplex section link, and this virtual multiplex section link is not deleted;
If judged result is deleted described virtual multiplex section link and deleted its corresponding label switched path for being, carry out next step; If judged result is carried out step for not;
Judge whether there is non-selected link in the described passage,, never select one section link to carry out described determining step and deletion step in the link of selected mistake if judged result is for being; If judged result finishes for not.
5, the method for transmitting fusion business according to claim 3 is characterized in that: the step of the passage of described deletion fused business process is:
Select to form the label switched path of described passage;
Delete the pairing virtual multiplex section link of described label switched path;
Delete described label switched path.
6, a kind of device of transmitting fusion business is characterized in that: comprise with lower module:
Select module, be used to multiplex section link and the label switched path of selecting fused business waiting for transmission to pass through;
Virtual multiplex section link generation module is used to described label switched path to create corresponding virtual multiplex section link, and described virtual multiplex section link and described multiplex section link are formed the passage of the described fused business of transmission.
7, the device of transmitting fusion business according to claim 6 is characterized in that: described device also comprises:
The verification module, be used for selected multiplex section link of the described selection module of verification and described label switched path and can form end-to-end path, if can, be that the label switched path that fused business will pass through is created corresponding virtual multiplex section link by described virtual multiplex section link generation module; If can not, reselect multiplex section link and the label switched path that pending fused business will pass through by described selection module.
8, according to the device of claim 6 or 7 described transmitting fusion business, it is characterized in that: also comprise
Removing module is used for deleting the passage of described fused business process after described fused business transmission is finished.
9, the device of transmitting fusion business according to claim 8 is characterized in that: described removing module specifically comprises:
The link selection submodule is used for one section link of selector channel;
Link is judged submodule, is used to judge whether selected link is virtual multiplex section link, and judges whether this virtual multiplex section link is not deleted, and the result is fed back to the deletion submodule and judges submodule;
Deletion submodule, the judged result that is used for judging submodule at described link are deleted described virtual multiplex section link and are deleted its corresponding label switched path when being;
Judge submodule, the judged result that is used for judging submodule at described link is not for the time, judge and whether have the not link of selected mistake in the described passage, if, the result is fed back to described link selection submodule, never select one section link in the link of selected mistake by described link selection submodule; If not, finish.
10, the device of transmitting fusion business according to claim 8 is characterized in that: described removing module specifically comprises:
The Path selection submodule is used for selecting label switched path from the passage of described transmitting fusion business;
The link circuit deleting submodule is used to delete the selected label switched path corresponding virtual multiplex section link that goes out of described Path selection submodule;
Deletion submodule in path is used to delete the selected label switched path that goes out of described Path selection submodule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100865923A CN100492993C (en) | 2007-03-16 | 2007-03-16 | Metod and device for transmitting fusion business |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100865923A CN100492993C (en) | 2007-03-16 | 2007-03-16 | Metod and device for transmitting fusion business |
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| CN101022361A true CN101022361A (en) | 2007-08-22 |
| CN100492993C CN100492993C (en) | 2009-05-27 |
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| CNB2007100865923A Expired - Fee Related CN100492993C (en) | 2007-03-16 | 2007-03-16 | Metod and device for transmitting fusion business |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388727B (en) * | 2008-10-13 | 2011-08-31 | 北京东方信联科技有限公司 | System and method implementing common optical fiber transmission of digital signal and other multiple service signals |
| CN101499851B (en) * | 2008-01-30 | 2011-12-07 | 中兴通讯股份有限公司 | Method for interconnecting automatic switch optical network with traditional optical network |
| CN112398753A (en) * | 2019-08-16 | 2021-02-23 | 华为技术有限公司 | Data transmission control method and device |
-
2007
- 2007-03-16 CN CNB2007100865923A patent/CN100492993C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101499851B (en) * | 2008-01-30 | 2011-12-07 | 中兴通讯股份有限公司 | Method for interconnecting automatic switch optical network with traditional optical network |
| CN101388727B (en) * | 2008-10-13 | 2011-08-31 | 北京东方信联科技有限公司 | System and method implementing common optical fiber transmission of digital signal and other multiple service signals |
| CN112398753A (en) * | 2019-08-16 | 2021-02-23 | 华为技术有限公司 | Data transmission control method and device |
| WO2021031573A1 (en) * | 2019-08-16 | 2021-02-25 | 华为技术有限公司 | Method and device for controlling data transmission |
| CN112398753B (en) * | 2019-08-16 | 2022-09-09 | 华为技术有限公司 | Data transmission control method and device |
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| CN100492993C (en) | 2009-05-27 |
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