CN102761478B - Method and system for sending business data - Google Patents
Method and system for sending business data Download PDFInfo
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- CN102761478B CN102761478B CN201210154469.1A CN201210154469A CN102761478B CN 102761478 B CN102761478 B CN 102761478B CN 201210154469 A CN201210154469 A CN 201210154469A CN 102761478 B CN102761478 B CN 102761478B
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Abstract
The invention discloses a method and a system for sending business data. The method comprises the following steps of: receiving business data to be bypassed to target data equipment from original data equipment by first optical transmission network (OTN) equipment connected with the target data equipment; sending a first request message to the target data equipment by the first OTN equipment to acquire the information of a target port for receiving the business data of the target data equipment; and sending the business data to be bypassed to the target data equipment by the first OTN equipment according to the information of the target port. According to the technical scheme provided by the invention, manual operations are reduced, and the accuracy of transmitting the business data to be bypassed between network equipment is improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of sending method and system of business datum.
Background technology
Along with video traffic, the developing rapidly of mobile broadband service, data service flow has accounted for the overwhelming majority of bearer network flow.The key bearer network of current large-scale operator is general to be mainly made up of Internet protocol (Internet Protocol, referred to as IP) backbone network and optical transport backbone network.The main flow equipment of IP backbone is IP/ multiprotocol label switching (Multi-Protocol Label Switching, referred to as MPLS) router, the main flow equipment of optical transport backbone network is optical transport network (Optical Transport Network, referred to as OTN).IP/MPLS router is used for forwarding data business, and OTN is used for providing link for IP/MPLS equipment.Along with increasing rapidly of data traffic, require the continuous dilatation of the core router of IP backbone, but dilatation cost is very high.So, there is the technology of the data traffic of the bandwidth bypass core router utilizing OTN equipment cheapness at present, data service has been forwarded directly to object edge router, alleviate the pressure of core router dilatation.
Fig. 1 is the schematic diagram of the OTN bypass core router according to correlation technique.As shown in Figure 1, also there is following defect in the OTN bypass core router in correlation technique: the configuration of existing OTN bypass core router all needs artificial participation while having above-mentioned advantage, layoutprocedure is complicated, easily make mistakes, and need edge router to be sent to by bypass data independently port to access OTN equipment again, waste port and fiber resource.
Summary of the invention
The problem of the invention provides a kind of sending method and system of business datum, treat that the passage of the business datum of bypass needs human configuration at least to solve in correlation technique, layoutprocedure is complicated, easily makeing mistakes.
According to an aspect of the present invention, a kind of sending method of business datum is provided.
Sending method according to business datum of the present invention comprises: the first optical transport network OTN equipment be connected with destination data equipment receive come from source data equipment treat the business datum of bypass to destination data equipment; One OTN equipment sends the first request message to destination data equipment, obtains the information that destination data equipment receives the destination interface of business datum; One OTN equipment, according to the information of destination interface, will treat that the business datum of bypass is sent to destination data equipment.
Preferably, the one OTN equipment receive come from source data equipment treat bypass to destination data equipment business datum before, also comprise: the 2nd OTN equipment be connected with source data equipment receives and comes from the business datum treating bypass of source data equipment and the identification information of destination data equipment; The business datum that 2nd OTN equipment treats bypass processes, and by process after treat that the first identification information of the business datum of bypass and the identification information of destination data equipment are sent to the three OTN equipment adjacent with the 2nd OTN equipment.
Preferably, the identification information that the 2nd OTN equipment be connected with source data equipment receives the business datum treating bypass and destination data equipment coming from source data equipment comprises: the 2nd OTN equipment receives the second request message coming from source data equipment, wherein, the information of carrying in the second request message comprises: source data device transmission treats the information of source port that the business datum of bypass uses and the identification information of destination data equipment; The business datum treating bypass that 2nd OTN equipment sends via source port according to the receives information source data equipment of source port.
Preferably, the business datum that 2nd OTN equipment treats bypass processes, and by process after treat that the first identification information of the business datum of bypass and the identification information of destination data equipment are sent to the three OTN equipment adjacent with the 2nd OTN equipment and comprise: the 2nd OTN equipment sets up light data cell business according to bandwidth information, wherein, light data cell business comprises one of following: light path data cell k business, and k is positive integer; Flexible rate light digital units business; 2nd OTN equipment is set up according to source port information and the first identification information and is treated the business datum of bypass and the mapping relations of light data cell business; 2nd OTN equipment is treated in light data cell business that the business datum of bypass corresponding by treating that the business datum of bypass is carried on this according to mapping relations; 2nd OTN equipment obtains the address information of the three OTN equipment adjacent with the 2nd OTN equipment by calculating, and the identification information of the first identification information, destination data equipment and light data cell business are sent to the three OTN equipment adjacent with the 2nd OTN equipment.
Preferably, the 2nd OTN equipment by process after treat that the first identification information of the business datum of bypass, the identification information of destination data equipment and light data cell business are sent to the three OTN equipment adjacent with the 2nd OTN equipment after, also comprise: whether identification information judgment the 3rd OTN equipment of the destination data equipment that the 3rd OTN equipment sends according to the 2nd OTN equipment is an OTN equipment; When not being an OTN equipment with the 3rd OTN equipment, 3rd OTN equipment continues the identification information to OTN device forwards first identification information adjacent with the 3rd OTN equipment and destination data equipment, until the identification information of the first identification information and destination data equipment is sent to an OTN equipment.
Preferably, one OTN equipment sends the first request message to destination data equipment, the information obtaining the destination interface of destination data equipment reception business datum comprises: an OTN equipment sends the first request message to destination data equipment, wherein, the first request message receives for asking destination data equipment the destination interface treating the business datum of bypass; One OTN equipment receives the information of the destination interface of the destination data equipment reception business datum that destination data equipment returns.
Preferably, the first request message also comprises: treat the second identification information that the business datum of bypass is to be replaced; One OTN equipment, according to the information of destination interface, will treat that the business datum of bypass is sent to destination data equipment and comprises: an OTN equipment is treated to extract the business datum treating bypass the light data cell business of the business datum of bypass from carrying; One OTN equipment will treat that the first identification information of the business datum of bypass replaces with the second identification information or directly deleted by the first identification information; One OTN equipment will treat that the business datum of bypass is sent to destination data equipment via destination interface.
According to a further aspect in the invention, a kind of transmitting system of business datum is provided.
Transmitting system according to business datum of the present invention comprises: the first optical transport network OTN equipment be connected with destination data equipment; One OTN equipment comprises: the first receiver module, for receive come from source data equipment treat the business datum of bypass to destination data equipment; Acquisition module, for sending the first request message to destination data equipment, obtains the information that destination data equipment receives the destination interface of business datum; First sending module, for the information according to destination interface, will treat that the business datum of bypass is sent to destination data equipment.
Preferably, said system also comprises: the 2nd OTN equipment be connected with source data equipment; 2nd OTN equipment comprises: the second receiver module, comes from the business datum treating bypass of source data equipment and the identification information of destination data equipment for receiving; Processing module, processes for the business datum treating bypass, and by process after treat that the first identification information of the business datum of bypass and the identification information of destination data equipment are sent to the three OTN equipment adjacent with the 2nd OTN equipment.
Preferably, second receiver module comprises: the first receiving element, for receiving the second request message coming from source data equipment, wherein, the information of carrying in the second request message comprises: source data device transmission treats the information of source port that the business datum of bypass uses and the identification information of destination data equipment; Second receiving element, for the business datum treating bypass sent via source port according to the receives information source data equipment of source port.
Preferably, the information of carrying in the second request message also comprises: treat the first identification information of the business datum of bypass and treat the bandwidth information needed for business datum of bypass; Processing module comprises: first sets up unit, and for setting up light data cell business according to bandwidth information, wherein, light data cell business comprises one of following: light path data cell k business, and k is positive integer; Flexible rate light digital units business; Second sets up unit, treats the business datum of bypass and the mapping relations of light data cell business for setting up according to source port information and the first identification information; Load bearing unit, for treating in light data cell business that the business datum of bypass corresponding by treating that the business datum of bypass is carried on this according to mapping relations; First transmitting element, for the address information by calculating the acquisition three OTN equipment adjacent with the 2nd OTN equipment, and the identification information of the first identification information, destination data equipment and light data cell business are sent to the three OTN equipment adjacent with the 2nd OTN equipment.
Preferably, said system also comprises: one or more 3rd OTN equipment; 3rd OTN equipment comprises: judge module, and whether identification information judgment the 3rd OTN equipment for the destination data equipment sent according to the 2nd OTN equipment is an OTN equipment; Second sending module, for exporting as time no at judge module, continue the identification information to OTN device forwards first identification information adjacent with the 3rd OTN equipment and destination data equipment, until the identification information of the first identification information and destination data equipment is sent to an OTN equipment.
Preferably, acquisition module comprises: the second transmitting element, and for sending the first request message to destination data equipment, wherein, the first request message receives for asking destination data equipment the destination interface treating the business datum of bypass; 3rd receiving element, receives the information of the destination interface of the destination data equipment reception business datum that destination data equipment returns for an OTN equipment.
Preferably, the first request message also comprises: treat the second identification information that the business datum of bypass is to be replaced; First sending module comprises: extraction unit, for treating to extract the business datum treating bypass in the light data cell business of the business datum of bypass from carrying; Replacement unit, the first identification information for the business datum by treating bypass replaces with the second identification information or is directly deleted by the first identification information; 3rd transmitting element, for will treating that the business datum of bypass is sent to destination data equipment via destination interface.
Pass through the present invention, adopt the OTN equipment that is connected with destination data equipment receive come from source data equipment treat the business datum of bypass extremely described destination data equipment after, the information of the destination interface of business datum is initiatively received to destination data device request destination data equipment, the destination interface information returned by destination data equipment, to treat that the business datum of bypass is sent to destination data equipment, whereby also eliminating the complex configurations process of configuration purpose port manually, solve and treat that the passage of the business datum of bypass needs human configuration in correlation technique, layoutprocedure is complicated, the problem of easily makeing mistakes, and then decrease manual operation, improve transmission between the network equipment and treat the accuracy of the business datum of bypass.
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 schematic diagram of the transmitting system of business datum according to correlation technique;
Fig. 2 is the flow chart of the sending method of business datum according to the embodiment of the present invention;
Fig. 3 is the schematic diagram of the transmitting system of business datum according to the preferred embodiment of the invention;
Fig. 4 is the structured flowchart of the transmitting system of business datum according to the embodiment of the present invention;
Fig. 5 is the structured flowchart of the transmitting system of business datum according to the preferred embodiment of the invention;
Fig. 6 is the structured flowchart of OTN equipment according to the preferred embodiment of the invention;
Fig. 7 is the structured flowchart of the data equipment be connected with OTN according to the preferred embodiment of the present invention one; And
Fig. 8 is the structured flowchart of the data equipment be connected with OTN according to the preferred embodiment of the present invention two.
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.
Fig. 2 is the flow chart of the sending method of business datum according to the embodiment of the present invention.As shown in Figure 2, the method can comprise following treatment step:
Step S202: the first optical transport network (OTN) equipment be connected with destination data equipment receive come from source data equipment treat the business datum of bypass to destination data equipment;
Step S204: the one OTN equipment sends the first request message to destination data equipment, obtains the information that destination data equipment receives the destination interface of business datum;
Step S206: the one OTN equipment, according to the information of destination interface, will treat that the business datum of bypass is sent to destination data equipment.
In correlation technique, treat that the passage of the business datum of bypass needs human configuration, layoutprocedure is complicated, easily make mistakes.Adopt method as shown in Figure 2, source data equipment will treat that the business datum of bypass to described destination data equipment is sent to the OTN equipment be connected with destination data equipment, this OTN equipment initiatively receives the information of the destination interface of business datum to destination data device request destination data equipment, the destination interface information returned by destination data equipment, to treat that the business datum of bypass is sent to destination data equipment, do not need completely to configure manually, solve and treat that the passage of the business datum of bypass needs human configuration in correlation technique, layoutprocedure is complicated, the problem of easily makeing mistakes, and then decrease manual operation, improve transmission between the network equipment and treat the accuracy of the business datum of bypass.
It should be noted that, above-mentioned what treat that bypass to the business datum of destination data equipment refers to is the business datum can walked around core data equipment and can reduce core data apparatus of load.
In a preferred embodiment, as shown in Figure 3, OTN equipment 2(is equivalent to an above-mentioned OTN equipment) receive come from PE1(and be equivalent to above-mentioned source data equipment) treat the business datum of bypass to destination data equipment; OTN equipment 2 is equivalent to above-mentioned purpose data equipment to PE2() send a request message, be equivalent to the information of above-mentioned purpose port with the port B(obtaining PE2 reception business datum); OTN equipment 2 will treat that the business datum of bypass is sent to PE2 by port B.
Preferably, in step S202, the one OTN equipment receive come from source data equipment treat bypass to destination data equipment business datum before, following operation can also be comprised:
Step S1: the 2nd OTN equipment be connected with source data equipment receives and comes from the business datum treating bypass of source data equipment and the identification information of destination data equipment;
The business datum that step S2: the two OTN equipment treats bypass processes, and by process after treat that the first identification information of the business datum of bypass and the identification information of destination data equipment are sent to the three OTN equipment adjacent with the 2nd OTN equipment.
In a preferred embodiment, as shown in Figure 3, OTN equipment 1(is equivalent to above-mentioned 2nd OTN equipment) receive from PE1 and treat the business datum of bypass and the identification information (as: address information) of PE2; The business datum that OTN equipment 1 treats bypass carries out carrying process, and the identification information of the identification information (as: type of business datum, the content of business datum) treating the business datum of bypass after process and PE2 is sent to the OTN equipment (not shown) adjacent with OTN equipment 1.
Preferably, in step S1, the identification information that the 2nd OTN equipment be connected with source data equipment receives the business datum treating bypass and destination data equipment coming from source data equipment can comprise following operation:
Step S11: the two OTN equipment receives the second request message coming from source data equipment, wherein, the information of carrying in the second request message can comprise: source data device transmission treats the information of source port that the business datum of bypass uses and the identification information of destination data equipment;
The business datum treating bypass that step S12: the two OTN equipment sends via source port according to the receives information source data equipment of source port.
In a preferred embodiment, as shown in Figure 3, if PE1 needs the business datum of bypass to PE2, these needs may from artificial planning, also may from the calculating of PE1, such as: PE1 learns that the current data traffic of PE3 exceedes certain threshold value.PE1 can send a request message to OTN equipment 1, and the information of carrying in this request message can comprise: PE1 transmission treats that the port A(that the business datum of bypass uses is equivalent to the information of above-mentioned source port) and the address information of PE2; PE2 will treat that the business datum of bypass is sent to OTN equipment 1 by port A.
It should be noted that, PE1 sends and treats that the port of pass-through service data can be the port of transmission conversational traffic data, also can be other ports on PE1 except transmission conversational traffic data.
Preferably, the information of carrying in above-mentioned second request message can also comprise: treat the first identification information of the business datum of bypass and treat the bandwidth information needed for business datum of bypass; In step S2, the business datum that 2nd OTN equipment treats bypass processes, and by process after treat that the first identification information of the business datum of bypass and the identification information of destination data equipment are sent to the three OTN equipment adjacent with the 2nd OTN equipment and can comprise following operation:
Step S21: the two OTN equipment sets up light data cell business according to bandwidth information, and wherein, this light data cell business comprises one of following: light path data cell k business, and k is positive integer; Flexible rate light digital units business;
Step S22: the two OTN equipment is set up according to source port information and the first identification information and is treated the business datum of bypass and the mapping relations of light data cell business;
Step S23: the two OTN equipment is treated in light data cell business that the business datum of bypass corresponding by treating that the business datum of bypass is carried on this according to mapping relations;
Step S24: the two OTN equipment obtains the address information of the three OTN equipment adjacent with the 2nd OTN equipment by calculating, and the identification information of the first identification information, destination data equipment and light data cell business are sent to the three OTN equipment adjacent with the 2nd OTN equipment.
In a preferred embodiment, as shown in Figure 3, the information of carrying in the request message that PE1 sends to OTN equipment 1 can also comprise: the identity type treating the business datum of bypass, treat bypass business datum sign content and treat the bandwidth information needed for business datum of bypass.OTN equipment 1 sets up light path data cell k business (ODUk) according to bandwidth information, k=0,1,2,3,4 Or flexible rate light digital units business (ODUflex); OTN equipment 1 according to port A, treat the business datum of bypass identity type and treat that the sign content of business datum of bypass is set up and treat the business datum of bypass and the mapping relations of ODUk or ODUflex, guarantee to treat bypass business datum can mapped enter in above-mentioned ODUk or ODUflex business; OTN equipment 1 will treat that the business datum of bypass is carried in corresponding ODUk or ODUflex business according to the mapping relations set up; OTN equipment 1 obtains the address information of adjacent OTN equipment by calculating, and the above-mentioned service identification of ODUk or ODUflex business and the address information of PE2 are sent to adjacent OTN equipment, and OTN equipment 1 can be intersected by ODU electricity or optical channel (Optical Channel, referred to as OCh) light intersects ODUk or the ODUflex traffic scheduling that carries pass-through service to next OTN device node again.
Preferably, in step S24, the 2nd OTN equipment by process after treat that the first identification information of the business datum of bypass and the identification information of destination data equipment are sent to the three OTN equipment adjacent with the 2nd OTN equipment after, following treatment step can also be comprised:
Whether identification information judgment the 3rd OTN equipment of the destination data equipment that the step S25: the three OTN equipment sends according to the 2nd OTN equipment is an OTN equipment;
Step S26: when not being an OTN equipment with the 3rd OTN equipment, 3rd OTN equipment continues the identification information to OTN device forwards first identification information adjacent with the 3rd OTN equipment and destination data equipment, until the identification information of the first identification information and destination data equipment is sent to an OTN equipment.
Preferably, in step S204, an OTN equipment sends the first request message to destination data equipment, and the information obtaining the destination interface of destination data equipment reception business datum can comprise following operation:
Step S3: the one OTN equipment sends the first request message to destination data equipment, and wherein, the first request message receives for asking destination data equipment the destination interface treating the business datum of bypass;
Step S4: the one OTN equipment receives the information of the destination interface of the destination data equipment reception business datum that destination data equipment returns.
In a preferred embodiment, OTN equipment 2 sends a request message to PE2, and acquisition request PE2 can receive the destination interface (as: port B) of the business datum treating bypass, OTN equipment 2 receives the port B that PE2 returns.
Preferably, above-mentioned first request message can also comprise: treat the second identification information that the business datum of bypass is to be replaced; Above-mentioned steps S206, an OTN equipment, according to the information of destination interface, will treat that the business datum of bypass is sent to destination data equipment and can comprises the following steps:
Step S5: the one OTN equipment is treated to extract the business datum treating bypass the light data cell business of the business datum of bypass from carrying;
Step S6: the one OTN equipment will treat that the first identification information of the business datum of bypass replaces with the second identification information or directly deleted by the first identification information;
Step S7: the one OTN equipment will treat that the business datum of bypass is sent to destination data equipment via destination interface.
In a preferred embodiment, as shown in Figure 3, OTN equipment 1 extracts the business datum treating bypass from ODUk or ODUflex business, OTN equipment 1 is also from the identification information that PE2 acquisition request uses after the business datum of bypass is sent to PE2 simultaneously, adopt the identification information got to replace and treat the identification information that the business datum of bypass originally used, then OTN equipment 2 will treat that the business datum of bypass is sent to PE2.
Fig. 4 is the structured flowchart of the transmitting system of business datum according to the embodiment of the present invention.The transmitting system of this business datum can comprise: the OTN equipment 10 be connected with destination data equipment; One OTN equipment 10 can comprise: the first receiver module 100, for receive come from source data equipment treat the business datum of bypass to destination data equipment; Acquisition module 102, for sending the first request message to destination data equipment, obtains the information that destination data equipment receives the destination interface of business datum; First sending module 104, for the information according to destination interface, will treat that the business datum of bypass is sent to destination data equipment.
Adopt system as shown in Figure 4, solve and treat that the passage of the business datum of bypass needs human configuration in correlation technique, layoutprocedure complexity, the problem of easily makeing mistakes, and then decrease manual operation, improve transmission between the network equipment and treat the accuracy of the business datum of bypass.
Preferably, as shown in Figure 5, said system also comprises: the 2nd OTN equipment 20 be connected with source data equipment; 2nd OTN equipment 20 can comprise: the second receiver module 200, comes from the business datum treating bypass of source data equipment and the identification information of destination data equipment for receiving; Processing module 202, processes for the business datum treating bypass, and by process after treat that the first identification information of the business datum of bypass and the identification information of destination data equipment are sent to the three OTN equipment adjacent with the 2nd OTN equipment.
Preferably, as shown in Figure 5, above-mentioned second receiver module 200 can comprise: the first receiving element 2000, for receiving the second request message coming from source data equipment, wherein, the information of carrying in the second request message comprises: source data device transmission treats the information of source port that the business datum of bypass uses and the identification information of destination data equipment; Second receiving element 2002, for the business datum treating bypass sent via source port according to the receives information source data equipment of source port.
In a preferred embodiment, and the information of the source port that the business datum treating bypass that the OTN equipment of source data equipment connection can be issued by source data equipment uses sets up the passage between OTN equipment and source data equipment, receive the business datum treating bypass, eliminate the complex configurations process of human configuration source port thus, reduce error probability.
Preferably, the information of carrying in above-mentioned second request message can also comprise: treat the first identification information of the business datum of bypass and treat the bandwidth information needed for business datum of bypass; As shown in Figure 5, above-mentioned processing module 202 can comprise: first sets up unit 2020, and for setting up light data cell business according to bandwidth information, wherein, this light data cell business comprises one of following: light path data cell k business, and k is positive integer; Flexible rate light digital units business; Second sets up unit 2022, treats the business datum of bypass and the mapping relations of light data cell business for setting up according to source port information and the first identification information; Load bearing unit 2024, for treating in light data cell business that the business datum of bypass corresponding by treating that the business datum of bypass is carried on this according to mapping relations; First transmitting element 2026, for the address information by calculating the acquisition three OTN equipment adjacent with the 2nd OTN equipment, and the identification information of the first identification information, destination data equipment and light data cell business are sent to the three OTN equipment adjacent with the 2nd OTN equipment.
In a preferred embodiment, the first identification information may be used for distinguishing the business datum of current transmission is treat that pass-through service data are also non-ly treat pass-through service data.
Preferably, as shown in Figure 5, said system can also comprise: one or more 3rd OTN equipment 30; 3rd OTN equipment 30 can comprise: judge module 300, and whether identification information judgment the 3rd OTN equipment for the destination data equipment sent according to the 2nd OTN equipment is an OTN equipment; Second sending module 302, for exporting as time no at judge module, continue the identification information to OTN device forwards first identification information adjacent with the 3rd OTN equipment and destination data equipment, until the identification information of the first identification information and destination data equipment is sent to an OTN equipment.
Preferably, as shown in Figure 5, above-mentioned acquisition module 102 can comprise: the second transmitting element 1020, for sending the first request message to destination data equipment, wherein, the first request message receives for asking destination data equipment the destination interface treating the business datum of bypass; 3rd receiving element 1022, receives the information of the destination interface of the destination data equipment reception business datum that destination data equipment returns for an OTN equipment.
Preferably, as shown in Figure 5, above-mentioned first request message can also comprise: treat the second identification information that the business datum of bypass is to be replaced; First sending module 104 can comprise: extraction unit 1040, for treating to extract the business datum treating bypass in the light data cell business of the business datum of bypass from carrying; Replacement unit 1042, the first identification information for the business datum by treating bypass replaces with the second identification information or is directly deleted by the first identification information; 3rd transmitting element 1044, for will treating that the business datum of bypass is sent to destination data equipment via destination interface.
In a preferred embodiment, first identification information is replaced with the second identification information, be be the identification information treating pass-through service data allocations in order to avoid holding over source data equipment, the first identification information can be supplied to, and other send from source data equipment treats pass-through service data.
Below in conjunction with the preferred embodiment shown in Fig. 6 to Fig. 8, above-mentioned preferred implementation is further described.
Fig. 6 is the structured flowchart of OTN equipment according to the preferred embodiment of the invention.Physical port connection data equipment on the left of Fig. 6, the physical port on the right side of Fig. 6 connects OTN equipment.As shown in Figure 6,
1, from data equipment to OTN device orientation.
Business datum access bypass mark identification module, is currently received business datum and belongs to for distinguishing and treat pass-through service data or other business datums.Treat that pass-through service data access treats pass-through service data assignment module (being equivalent to above-mentioned second receiver module), for different bypass flow being assigned to the corresponding port of ODU mapping block (being equivalent to above-mentioned load bearing unit) according to bypass sign content, thus be mapped in the ODU business of a certain road.Non-ly treat that pass-through service is through other business assignment module, is assigned on the corresponding port of ODU mapping block.After ODU mapping block maps, ODU service access ODU assigns, OTU maps and wavelength assignment process module (being equivalent to above-mentioned first transmitting element), and through this module, ODU business will flow to correct downstream OTN equipment.
2, from OTN equipment to the direction of data equipment.(when OTN equipment connection during destination data equipment, treating this direction of pass-through service data flow)
First OTU and ODU demapping is carried out after business datum access.Then, business datum access bypass mark identification module.Treat that pass-through service data access further and treat pass-through service data assignment module, and be assigned to corresponding physical port.Non-ly treat that bypass flow accesses other business assignment module.
3, from OTN equipment to the direction of OTN equipment.(when OTN equipment does not connect destination data equipment, business datum flow to the party to)
First carry out demapping process through OTU De-mapping module after business datum access, then access ODU appointment, OTU mapping and wavelength assignment process module, through this module, ODU business will flow to correct downstream OTN equipment.
Fig. 7 is the structured flowchart of the data equipment be connected with OTN according to the preferred embodiment of the present invention one.The preferred embodiment based on Fig. 3, OTN equipment and data equipment separate, treat that pass-through service data can use MPLS label, physical port on the left of Fig. 7 connects edge data equipment, and the physical port on the right side of Fig. 7 connects OTN equipment.As shown in Figure 7,
1, from data equipment to the direction of OTN equipment:
First business datum accesses IP/MPLS processing module and processes, and after this process, business datum is assigned on the internal port of a series of equipment, is namely respectively transmission and treats pass-through service data 1 ~ m and non-ly treat that bypass data distributes different ports.Device interior port is connected to treats pass-through service data processing module, and in this module, different pass-through service data are added corresponding pass-through service Data Identification.Business datum with bypass mark enters treats pass-through service data assignment module, and different are treated that pass-through service data assignment is to corresponding physical port by this module.Non-ly treat other business assignment module of pass-through service data access, and then be assigned to different physical port.
2, from OTN equipment to the direction of data equipment:
Treat that pass-through service accesses IP/MPLS processing module with non-treating together with pass-through service.Business datum after process is assigned on the corresponding physical port in data equipment side by IP/MPLS processing module.
Fig. 8 is the structured flowchart of the data equipment be connected with OTN according to the preferred embodiment of the present invention two.The preferred embodiment based on Fig. 3, OTN equipment and data equipment separate, treat pass-through service data use MPLS label.Physical port connection data equipment on the left of Fig. 8, the physical port on the right side of Fig. 8 connects OTN equipment.As shown in Figure 8,
1, from data equipment to the direction of OTN equipment.
Business datum first access service analyzes module.Non-ly treat pass-through service data access IP/MPLS processing module, and then be switched to corresponding physical port.Treat that pass-through service data access treats pass-through service data processing module, add corresponding bypass mark, pass-through service data assignment module is treated in access.Treat pass-through service data assignment module through this, treat that pass-through service data will be assigned to corresponding physical port.
2, from OTN equipment to the direction of data equipment.
First business datum accesses bypass spectroscopic analysis module.Non-ly treat pass-through service data access IP/MPLS processing module, and then be switched to corresponding physical port.Treat that pass-through service data access treats pass-through service data processing module, remove the bypass mark treated in pass-through service data, then pass-through service data assignment module is treated in access.This treats pass-through service data assignment module to be run the agreement treating pass-through service data, and according to treating that pass-through service data agreement separately assigns it to corresponding physical port.
It should be noted that, the present invention can also have other multiple preferred embodiments, such as: data equipment and OTN equipment can be merged, then the physical port of the OTN equipment in Fig. 6 to Fig. 8 directly will be connected at device interior with the physical port of data equipment, become device interior port.
From above description, can find out, above embodiments enable following technique effect (it should be noted that these effects are effects that some preferred embodiment can reach): solve and treat that the passage of the business datum of bypass needs human configuration in correlation technique, layoutprocedure complexity, the problem of easily makeing mistakes, and then decrease manual operation, improve transmission between the network equipment and treat convenience and the accuracy of the business datum of bypass.
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 (12)
1. a sending method for business datum, is characterized in that, comprising:
The the first optical transport network OTN equipment be connected with destination data equipment receive come from source data equipment treat that bypass is to the business datum of described destination data equipment;
A described OTN equipment sends the first request message to described destination data equipment, obtains the information that described destination data equipment receives the destination interface of described business datum;
By described, a described OTN equipment, according to the information of described destination interface, treats that the business datum of bypass is sent to described destination data equipment;
Wherein, described one OTN equipment receive come from described source data equipment treat bypass to described destination data equipment business datum before, also comprise: the 2nd OTN equipment be connected with described source data equipment receives the identification information of business datum and the described destination data equipment coming from and treat bypass described in described source data equipment; To described, described 2nd OTN equipment treats that the business datum of bypass processes, and the identification information of the first identification information treating the business datum of bypass after process and described destination data equipment is sent to the three OTN equipment adjacent with the 2nd OTN equipment.
2. method according to claim 1, is characterized in that, the identification information that the 2nd OTN equipment be connected with described source data equipment receives business datum and the described destination data equipment coming from and treat bypass described in described source data equipment comprises:
Described 2nd OTN equipment receives the second request message coming from described source data equipment, wherein, the information of carrying in described second request message comprises: treat the information of source port that the business datum of bypass uses and the identification information of described destination data equipment described in described source data device transmission;
The business datum of bypass is treated described in described 2nd OTN equipment source data equipment according to the receives information of described source port sends via described source port.
3. method according to claim 2, it is characterized in that, to described, described 2nd OTN equipment treats that the business datum of bypass processes, and the first identification information treating the business datum of bypass after process and the identification information of described destination data equipment are sent to the three OTN equipment adjacent with the 2nd OTN equipment comprise:
Described 2nd OTN equipment sets up light data cell business according to bandwidth information, and wherein, described smooth data cell business comprises one of following: light path data cell k business, and k is positive integer; Flexible rate light digital units business;
Described 2nd OTN equipment treats the business datum of bypass and the mapping relations of described smooth data cell business described in setting up according to described source port information and described first identification information;
Described 2nd OTN equipment is treated that the business datum of bypass is carried on according to described mapping relations and is treated in the described smooth data cell business that the business datum of bypass is corresponding by described with this;
Described 2nd OTN equipment obtains the address information of the three OTN equipment adjacent with the 2nd OTN equipment by calculating, and the identification information of described first identification information, described destination data equipment and described smooth data cell business are sent to the three OTN equipment adjacent with described 2nd OTN equipment.
4. method according to claim 3, it is characterized in that, after the identification information of the first identification information treating the business datum of bypass after process, described destination data equipment and described smooth data cell business are sent to the three OTN equipment adjacent with the 2nd OTN equipment by described 2nd OTN equipment, also comprise:
Described in the identification information judgment of the described destination data equipment that described 3rd OTN equipment sends according to described 2nd OTN equipment, whether the 3rd OTN equipment is a described OTN equipment;
When not being a described OTN equipment with described 3rd OTN equipment, described 3rd OTN equipment continues the identification information to the first identification information described in the OTN device forwards adjacent with described 3rd OTN equipment and described destination data equipment, until the identification information of described first identification information and described destination data equipment is sent to a described OTN equipment.
5. method according to claim 3, is characterized in that, a described OTN equipment sends the first request message to described destination data equipment, obtains the information that described destination data equipment receives the destination interface of described business datum and comprises:
A described OTN equipment sends described first request message to described destination data equipment, and wherein, described first request message is for asking the destination interface treating the business datum of bypass described in the reception of described destination data equipment;
A described OTN equipment receives the information that described destination data equipment that described destination data equipment returns receives the destination interface of described business datum.
6. method according to claim 5, is characterized in that, described first request message also comprises: described in treat the second identification information that the business datum of bypass is to be replaced; By described, a described OTN equipment, according to the information of described destination interface, treats that the business datum of bypass is sent to described destination data equipment and comprises:
A described OTN equipment is from the business datum treating bypass described in treating to extract the described smooth data cell business of the business datum of bypass described in carrying;
By described, a described OTN equipment treats that described first identification information of the business datum of bypass replaces with described second identification information or directly deleted by described first identification information;
By described, a described OTN equipment treats that the business datum of bypass is sent to described destination data equipment via described destination interface.
7. a transmitting system for business datum, is characterized in that, described system comprises: the first optical transport network OTN equipment be connected with destination data equipment;
A described OTN equipment comprises:
First receiver module, for receive come from source data equipment treat that bypass is to the business datum of described destination data equipment;
Acquisition module, for sending the first request message to described destination data equipment, obtains the information that described destination data equipment receives the destination interface of described business datum;
By described, first sending module, for the information according to described destination interface, treats that the business datum of bypass is sent to described destination data equipment;
Wherein, described system also comprises: the 2nd OTN equipment be connected with described source data equipment; Described 2nd OTN equipment comprises: the second receiver module, for receiving the identification information of business datum and the described destination data equipment coming from and treat bypass described in described source data equipment; Processing module, for treating that the business datum of bypass processes to described, and is sent to the three OTN equipment adjacent with the 2nd OTN equipment by the identification information of the first identification information treating the business datum of bypass after process and described destination data equipment.
8. system according to claim 7, is characterized in that, described second receiver module comprises:
First receiving element, for receiving the second request message coming from described source data equipment, wherein, the information of carrying in described second request message comprises: treat the information of source port that the business datum of bypass uses and the identification information of described destination data equipment described in described source data device transmission;
Second receiving element, treats the business datum of bypass for source data equipment according to the receives information of described source port via described source port described in sending.
9. system according to claim 8, is characterized in that, the information of carrying in described second request message also comprises: described in treat the first identification information of the business datum of bypass and the bandwidth information needed for the described business datum treating bypass; Described processing module comprises:
First sets up unit, and for setting up light data cell business according to described bandwidth information, wherein, described smooth data cell business comprises one of following: light path data cell k business, and k is positive integer; Flexible rate light digital units business;
Second sets up unit, described in setting up according to described source port information and described first identification information, treat the business datum of bypass and the mapping relations of described smooth data cell business;
Load bearing unit, for treating that the business datum of bypass is carried on according to described mapping relations and treat in the described smooth data cell business that the business datum of bypass is corresponding by described with this;
First transmitting element, for the address information by calculating the acquisition three OTN equipment adjacent with the 2nd OTN equipment, and the identification information of described first identification information, described destination data equipment and described smooth data cell business are sent to the three OTN equipment adjacent with described 2nd OTN equipment.
10. the system according to any one of claim 7 to 9, is characterized in that, described system also comprises: one or more described 3rd OTN equipment;
Described 3rd OTN equipment comprises:
Judge module, for according to described 2nd OTN equipment send described destination data equipment identification information judgment described in the 3rd OTN equipment whether be a described OTN equipment;
Second sending module, for exporting as time no at described judge module, continue the identification information to the first identification information described in the OTN device forwards adjacent with described 3rd OTN equipment and described destination data equipment, until the identification information of described first identification information and described destination data equipment is sent to a described OTN equipment.
11. systems according to claim 9, is characterized in that, described acquisition module comprises:
Second transmitting element, for sending described first request message to described destination data equipment, wherein, described first request message is for asking the destination interface treating the business datum of bypass described in the reception of described destination data equipment;
3rd receiving element, receives for a described OTN equipment information that described destination data equipment that described destination data equipment returns receives the destination interface of described business datum.
12. systems according to claim 11, is characterized in that, described first request message also comprises: described in treat the second identification information that the business datum of bypass is to be replaced; Described first sending module comprises:
Extraction unit, for from the business datum treating bypass described in treating to extract in the described smooth data cell business of the business datum of bypass described in carrying;
By described, replacement unit, for treating that described first identification information of the business datum of bypass replaces with described second identification information or directly deleted by described first identification information;
By described, 3rd transmitting element, for treating that the business datum of bypass is sent to described destination data equipment via described destination interface.
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| WO2014205792A1 (en) | 2013-06-28 | 2014-12-31 | 华为技术有限公司 | Method, apparatus and system for establishing optical bypass |
| CN104869481A (en) * | 2015-05-13 | 2015-08-26 | 北京中经赛博科技有限公司 | DCN implementation mode for OTN equipment |
| CN107786445A (en) * | 2016-08-31 | 2018-03-09 | 南京中兴软件有限责任公司 | The by-pass method and device of a kind of tunnel traffic |
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