CN101902667B - Business-ODUk frame mapping method and system - Google Patents
Business-ODUk frame mapping method and system Download PDFInfo
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- CN101902667B CN101902667B CN201010243008.2A CN201010243008A CN101902667B CN 101902667 B CN101902667 B CN 101902667B CN 201010243008 A CN201010243008 A CN 201010243008A CN 101902667 B CN101902667 B CN 101902667B
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Abstract
The invention discloses a business-ODUk frame mapping method and a system, which are applied in an ODUk cross system, and the method comprises the following steps: leading a master station to release the business-ODUk mapping according to the business type of a business, and configuring a mark of the business type of the business and business-ODUk frame mapping information in an ODU overhead and sending to a slave station; and leading the slave station to realize the business-ODUk frame automatic mapping according to the mark of the business type and the mapping information. The technical scheme provided by the invention can realize the automatic configuration of a network terminal in the ODUk cross scheduling system, reduce the complexity in manual configuration and improve the accuracy of configuration maintenance.
Description
Technical field
The present invention relates to the communications field, in particular to mapping method and the system of a kind of business and light path data cell k (Optical Date Unit, referred to as ODUk) frame.
Background technology
At present, the repeat in work scheduling progressively developed in transport network is mostly based on ODUk (k=0,1,2,3,4) cross scheduling of particle, client's access service is mapped in ODUk frame, by the traffic scheduling of meeting consumers' demand based on the intersection of ODUk particle.
Due to client's access service huge number, in order to realize the business intercommunication between website, in ODUk cross system, needing to carry out very complicated manual configuration respectively at the two ends of the network terminal, wherein needing the content configured at least to comprise following several:
(1) each port traffic type;
(2) ODUk frame type;
(3) type of service and ODUk mapping relations;
(4) traffic scheduling cross reference.
Especially, in the network architecture of complexity, the network terminal of multi-site is not at same position, but network terminal manual configuration must be consistent, slightly mistake, business just can not be opened, and this all brings great trouble for engineering configure and maintenance, and because manual participation is had too much work, error rate is very high.
Summary of the invention
For correlation technique problems such as complicated and error rate is high to network terminal manual configuration in ODUk intercrossed scheduling system, the invention provides mapping method and the system of a kind of business and ODUk frame, to solve the problem one of at least.
According to an aspect of the present invention, the mapping method of a kind of business and ODUk frame is provided.
According to the mapping method of business of the present invention and light path data cell ODUk frame, be applied to ODUk cross system, comprise: main side's website realizes the mapping of business and ODUk frame according to the type of service of business, and the type of service of business mark and the map information of business and ODUk frame are configured in ODU expense are sent to slave side; Slave side realizes the automatic mapping of business and ODUk frame according to type of service mark and map information.
According to a further aspect in the invention, the mapped system of a kind of business and ODUk frame is provided.
According to the mapped system of business of the present invention and ODUk frame, be applied to ODUk cross system, comprise: main side's website, for realizing the mapping of business and ODUk frame according to the type of service of business, and the type of service of business mark and the map information of business and ODUk frame are configured in ODU expense are sent to slave side; Slave side, for realizing the automatic mapping of business and ODUk frame according to type of service mark and map information.
By the present invention, main side's website realizes the mapping of business and ODU scheduling unit according to type of service, and the type of service of answering with this mapping pair is identified and map information is automatically configured in ODU expense and is sent to slave side; Slave side realizes the mapping of business and ODU scheduling unit automatically according to type of service mark and map information, solve correlation technique problems such as complicated and error rate is high to network terminal manual configuration in ODUk intercrossed scheduling system, and then the automatic configuration that can realize in ODUk intercrossed scheduling system the network terminal, reduce manual configuration complexity, and improve the correctness of configuring maintenance.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the business of the embodiment of the present invention and the mapping method of ODUk frame;
Fig. 2 is the expense schematic diagram according to the preferred embodiment of the invention in ODUk frame;
Fig. 3 is that principal and subordinate side's business maps schematic diagram according to the preferred embodiment of the invention;
Fig. 4 is the flow chart of the mapping method of business and ODUk frame according to the preferred embodiment of the invention;
Fig. 5 is the structured flowchart according to the business of the embodiment of the present invention and the mapped system of ODUk frame;
Fig. 6 is the structured flowchart of the mapped system of business and ODUk frame according to the preferred embodiment of the invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
According to embodiments of the invention, provide the mapping method of a kind of business and ODUk frame.
Fig. 1 is the flow chart according to the business of the embodiment of the present invention and the mapping method of ODUk frame.As shown in Figure 1, the mapping method of business and ODUk frame comprises the following steps:
Step S102, main side's website realizes the mapping of business and ODUk frame according to the type of service of business, and type of service mark and the map information of business and ODUk frame is configured in ODU expense and is sent to slave side.
Step S104, slave side realizes the automatic mapping of business and ODUk frame according to type of service mark and map information.
Pass through said method, the map information of type of service mark and business and ODUk frame sends to from side by main side, from side's these information of reading and according to the type of service of these information Lookup protocols from side, Lookup protocol configures from the mapping of square type of service and ODU cross scheduling unit, like this in the transmission of main side and reception, just can realize namely inserting namely leading to from the reception of side with sending, two ends are not needed all to carry out complicated configuration, do not need artificial guarantee two ends configuration to be identical, thus improve correctness, the accuracy of configure and maintenance.
Preferably, before execution step S102, said method can also comprise following process:
(1) website of first access service is defined as main side's website;
(2) will the website of reception business be needed to be defined as slave side.
In specific implementation process, the mode of specifying also can be taked to determine principal and subordinate side, but the efficiency of this method is not high.The present invention adopts preemptive type processing mode, and a side of first access service is main side, and its side accepted business is from side.This mode can establish principal and subordinate side thus the foundation of the business of acceleration more efficiently.
Preferably, the mapping mode of above-mentioned business and ODUk frame include but not limited to following it
(1) each business is mapped in an ODUk frame;
(2) multiple business is mapped in an ODUk frame;
(3) business is mapped in multiple ODUk frame.
In current ODUK intercrossed scheduling system, need by various client traffic Type mapping in ODU scheduling unit (i.e. ODUk frame), its cross granularity is G.709 specified standard ODU.
Due to the diversity of service rate, the mapping relations of the three kind client traffic corresponding with above-mentioned three kinds of mapping modes and ODU scheduling unit are as follows respectively:
(1) client traffic type and ODU scheduling unit are one_to_one corresponding;
(2) client traffic type and ODU scheduling unit are many-one, by multiple client traffic Type mapping to an ODU scheduling unit;
(3) client traffic type and ODU scheduling unit are one-to-many, by 1 client traffic Type mapping to multiple ODU scheduling unit;
In specific implementation process, above-mentioned mapping relations constitute above-mentioned map information, can represent the different of its mapping relations when type of service mark and business being configured in ODU expense from the map information of ODUk frame.Example below in conjunction with Fig. 2 describes the structure of ODU expense.
Fig. 2 is the expense schematic diagram according to the preferred embodiment of the invention in ODUk frame.As shown in Figure 2, transmission be type of service code, and the map information of the service port of this business and ODU frame, namely the structure of above-mentioned expense is that the type of service code and port corresponding with it that arrange in order and ODU frame map sequence number.Such as: by STM1 (synchronous transfer module, Synchronous Transmission Module-1) business is mapped in 1/4 structure of 0DU1 frame, wherein the type of service code of Fig. 2 can fill in 0x32, principal and subordinate two ends agreement specifies that this value represents STM1 business, be 155.52Mbit/s according to its speed, ODU1 is divided into 4 time slots, then this business occupies the 2nd 1/4 time slot of ODU 1, and enter from port 3, then wherein the port 3 of Fig. 2 can fill in 2 with the mapping sequence number of ODU frame.
Fig. 3 is that principal and subordinate side's business maps schematic diagram according to the preferred embodiment of the invention.As shown in Figure 3, for above-mentioned example, business enters from main side's Site Port 3, take the 2nd 1/4 time slot of ODU1, then ODUk cross scheduling is passed through to slave side, after slave side is resolved and configured, this business takies the 2nd 1/4 time slot of slave side ODU1 equally, finally exports from port 2.As can be seen here, the intercommunication of business requires that the mapping of main slave side to business and ODUk frame is consistent.
Preferably, before slave side realizes the mapping of business and ODUK frame, following process can also be comprised:
(1) slave side obtains type of service mark and map information from ODU expense;
(2) type of service of acquisition mark and map information are stored in this locality by slave side.
In preferred implementation process, slave side parses type of service mark and map information be stored in this locality from ODU expense, namely completes the information transmission between principal and subordinate side and preservation.Afterwards according to the type of service of the information Lookup protocol slave side of main side's site configuration business, Lookup protocol configures from the mapping of square type of service and ODU scheduling unit.
Preferably, above-mentioned type of service mark can comprise: type of service code and/or service center frequency.Map information includes but not limited to: the service port of business and the mapping relations of ODU frame.
In specific implementation process, do not limit to above-mentioned parameter, all fully can show type of service and mapping relations parameter or index can be configured in ODU expense as type of service mark or map information.
Below in conjunction with Fig. 4, above-mentioned preferred implementation process is described.
Fig. 4 is according to the preferred embodiment of the invention based on the configuration flow figure that the business of ODUk cross system is opened automatically.As shown in Figure 4, the method mainly comprises the following steps:
Step S402: principal and subordinate side seizes, in time sequencing, first access service is main side, and the opposing party is from side;
Step S404: main side's website is automatically according to type of service configuration and the partial time slot of ODU scheduling unit or the mapping of several ODU cross units;
In specific implementation process, at main side's access service website, can be automatic acquisition type of service, manual configuration type of service two kinds of modes, this mode, not in the scope of the invention, seldom repeats.
Main side's website, by the automatic mapping configuring itself and ODU scheduling unit according to type of service, is specially: be mapped in corresponding ODUk according to service bandwidth by miscellaneous service.Such as, GE (gigabit Ethernet, Gigabit Ethernet) business is mapped in an ODU0, or is mapped in the half of ODU1; STM16 (synchronous transfer module, SynchronousTransmission Module-16) business is mapped in 1 ODU1; STM1 (synchronous transfer module, Synchronous Transmission Module-1) business is mapped in 1/4 structure of 0DU1 frame.Wherein, in ODUk, the value of k can be determined by concrete intercrossed scheduling system.
Step S406: the map information in business key message and step S404 is configured in ODU expense by main side automatically;
After execution step S404, main side will increase key business information (namely above-mentioned type of service identify) in ODU expense, and key business information comprises: represent the information such as the service code of concrete type of service and/or service center frequency;
Meanwhile, main side also needs the map information of the business in step S404 and ODUk to be configured in the expense of ODU frame structure, for information transmission.Example that specifically can be shown in Figure 2.
As the transmission in Fig. 2 is type of service code, and the map information of each port and ODU frame.Such as: by synchronous transfer module (Synchronous TransmissionModule-1, referred to as STM1) business is mapped in 1/4 structure of 0DU1 frame, wherein the type of service code of Fig. 2 can fill in 0x32, principal and subordinate two ends agreement specifies that this value represents STM1 business, be 155.52Mbit/s according to its speed, ODU1 is divided into 4 time slots, then this business occupies the 2nd 1/4 time slot of ODU1, and enter from port 3, then wherein the port 3 of Fig. 2 can fill in 2 with the mapping sequence number of ODU frame; Its mapping relations can be as shown in Figure 3.Above filling method is that one illustrates, need not be confined in this, but it needs the agreement support of business two ends.
Step S408: cross scheduling, is sent to slave side by information; Its concrete service route, determines according to business actual disposition demand.
Step S410: the business of slave side from ODU expense in obtaining step S306 and configuration information.The Overhead that its business source site (namely corresponding main side) writes is obtained in the OTN transport network of slave side.Be specially: parse from the type of service code of Fig. 2 and port mapping information, and information can be existed local, for step process below.
Step S412: type of service configuration and the partial time slot of ODU cross unit or the mapping of several ODU cross units are carried out according to expense in step S310 automatically in slave side.
In preferred implementation process, according to the type of service of the type of service code analysis result configuration slave side in step S410, the business of the service port map information analysis result configuration slave side in step S410 is mapped configuration, such as, by above-mentioned STM1 business configuration, and taken the 2nd 1/4 time slot of the ODU1 of slave side, namely type of service configuration information is set to this slave side.
According to the embodiment of the present invention, additionally provide the mapped system of a kind of business and ODUk frame.
Fig. 5 is the structured flowchart according to the business of the embodiment of the present invention and the mapped system of ODUk frame.As shown in Figure 5, said system comprises:
Main side's website 52, for realizing the mapping of business and ODUk frame according to the type of service of business, and is configured in type of service mark and the map information of business and ODUk frame in ODU expense and is sent to slave side.
Slave side 54, for realizing the automatic mapping of business and ODUk frame according to type of service mark and map information.
Pass through said system, the map information of type of service mark and business and ODUk frame is sent to slave side by main side's website, these information are read and according to the type of service of these information Lookup protocol slave sides in slave side, the mapping of Lookup protocol slave side type of service and ODU cross scheduling unit configures, like this in transmission and the reception of main side's website, the reception of slave side just can realize namely inserting namely leading to transmission, two ends are not needed all to carry out complicated configuration, artificial guarantee two ends configuration is not needed to be identical, thus improve the correctness of configure and maintenance, accuracy.
Preferably, main side's website is the website of first access service, and slave side is the website needing reception business.
Said system adopts preemptive type processing mode, and the website of first access service is main side's website, and its website of accepting business is slave side, thus the process that the business of acceleration is set up.
Preferably, as shown in Figure 6, main side's website can comprise one of following module:
First mapping block 522, for being mapped in an ODUk frame by each business;
Second mapping block 524, for being mapped in an ODUK frame by multiple business;
3rd mapping block 526, for being mapped to a business in multiple ODUK frame.
Preferably, as shown in Figure 6, slave side also can comprise arbitrary module with above-mentioned functions, is respectively: the first mapping block 542, second mapping block the 544, three mapping block 546.
Preferably, slave side 54 can also comprise:
Acquisition module 548, for obtaining type of service mark and map information from ODU expense;
Memory module 550, the type of service obtained for storing acquisition module identifies and map information.
Type of service mark in ODU expense and map information parse by acquisition module 548, and memory module 550 is stored in the local foundation realizing the mapping of business and ODUk frame as slave side.So namely, complete information transmission and the preservation of main slave side, can so that the mapping process of follow-up slave side.
In sum, by above-described embodiment provided by the invention, based in the cross system of ODUk, technical scheme provided by the invention, supporting business automatically open-minded, does not need numerous and diverse human intervention, namely inserting of business can be realized namely lead to, complete the automatically open-minded of two ends business, the open-minded fast of two ends business can be ensured, the accuracy of configure and maintenance can be improved again.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a mapping method for business and light path data cell ODUk frame, is applied to ODUk cross system, it is characterized in that, comprising:
Main side's website realizes the mapping of described business and ODUk frame according to the type of service of business, and the type of service of described business mark and the map information of described business and ODUk frame is configured in ODU expense and is sent to slave side;
Described slave side realizes the automatic mapping of described business and ODUk frame according to described type of service mark and described map information; Wherein,
Before described main side's website realizes the mapping of business and ODUk frame, described method also comprises:
The website first accessing described business is defined as described main side's website;
Described slave side is defined as by needing the website receiving described business.
2. method according to claim 1, is characterized in that, the described mapping realizing business and ODUk frame comprises one of following:
Each described business is mapped in an ODUk frame;
Multiple described business is mapped in an ODUk frame;
A described business is mapped in multiple ODUk frame.
3. method according to claim 1, is characterized in that, before described slave side realizes the mapping of described business and ODUK frame, described method also comprises:
Described slave side obtains described type of service mark and described map information from described ODU expense;
The type of service of described acquisition mark and map information are stored in this locality by described slave side.
4. according to the method in any one of claims 1 to 3, it is characterized in that,
Described type of service mark comprises: type of service code and/or service center frequency;
Described map information comprises: the service port of described business and the mapping relations of ODU frame.
5. a mapped system for business and light path data cell ODUk frame, is applied to ODUk cross system, it is characterized in that, comprising:
Main side's website, for realizing the mapping of described business and ODUk frame according to the type of service of business, and is configured in the type of service of described business mark and the map information of described business and ODUk frame in ODU expense and is sent to slave side;
Described slave side, for realizing the automatic mapping of described business and ODUk frame according to described type of service mark and described map information; Wherein,
Described main side's website is the website first accessing described business, and described slave side is the website needing to receive described business.
6. system according to claim 5, is characterized in that, described main side's website and described slave side include one of following module:
First mapping block, for being mapped in an ODUk frame by each described business;
Second mapping block, for being mapped in an ODUK frame by multiple described business;
3rd mapping block, for being mapped to a described business in multiple ODUK frame.
7. system according to claim 5, is characterized in that, described slave side comprises:
Acquisition module, for obtaining described type of service mark and described map information from described ODU expense;
Memory module, the type of service obtained for storing described acquisition module identifies and map information.
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| CN102594648B (en) * | 2011-01-07 | 2014-11-05 | 中兴通讯股份有限公司 | Service scheduling method and apparatus |
| CN102170599A (en) * | 2011-05-09 | 2011-08-31 | 中兴通讯股份有限公司 | Method for realizing business mapping and device thereof |
| CN103248509B (en) * | 2012-02-13 | 2018-09-14 | 中兴通讯股份有限公司 | The management method and device of light data unit |
| CN103825751B (en) * | 2012-11-16 | 2017-11-24 | 华为技术有限公司 | Method, veneer, Network Management Equipment and the system to activate the service |
| WO2014107841A1 (en) * | 2013-01-08 | 2014-07-17 | 华为技术有限公司 | Graphical display method and device for optical transport network |
| CN105790875B (en) * | 2014-12-24 | 2019-04-30 | 深圳市中兴微电子技术有限公司 | A kind of cross scheduling method and device thereof |
| CN108076394B (en) * | 2016-11-11 | 2020-06-16 | ***通信有限公司研究院 | Method and device for opening optical network service |
| CN110798333B (en) * | 2018-08-03 | 2022-04-01 | 中兴通讯股份有限公司 | Service information configuration method, device, system and storage medium |
| CN111683306B (en) * | 2020-05-20 | 2022-04-29 | 烽火通信科技股份有限公司 | Multi-service hybrid access method and device |
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