CN102571384A - Switching method, system and packet transmission network device for multiplex section protection - Google Patents
Switching method, system and packet transmission network device for multiplex section protection Download PDFInfo
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- CN102571384A CN102571384A CN2010105931251A CN201010593125A CN102571384A CN 102571384 A CN102571384 A CN 102571384A CN 2010105931251 A CN2010105931251 A CN 2010105931251A CN 201010593125 A CN201010593125 A CN 201010593125A CN 102571384 A CN102571384 A CN 102571384A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0081—Fault tolerance; Redundancy; Recovery; Reconfigurability
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Abstract
The invention discloses a switching method, a system and a packet transmission network device for multiplex section protection. The method comprises the following steps of: after receiving alarming information reported by a port of a line card of a packet transmission network (PTN) device, judging whether the type of a multiplex section protection (MSP) group to which the port belongs is an in-plate protection group; if so, indicating the port in the in-plate protection group to be switched by the line card; if not, transmitting the alarming information to a main control board of the PTN device through an inter-plate communication mode by the line card. Through the invention, the information content for communication among simple plates is reduced and the treatment efficiency of the system is improved.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of reverse method, system and group transmission network (PacketTransport Network abbreviates PTN as) equipment of multiplex section protection.
Background technology
At present, in the application that communicates through bearing optical fiber, be exactly synchronous digital hierarchy (Synchronous DigitalHierarchy the most widely; Abbreviate SDH as) transmission technology; Along with the development of technology, the SDH network is gradually to optical transfer network (OpticalTransport Network abbreviates OTN as) and PTN network evolution; And network survivability (that is, network is through still keeping professional ability after the various faults) is a very important index in transmission technique field.Particularly, in the SDH field, a very important protection strategy is multiplex section protection (Multiplex Section Protection; Abbreviate MSP as), that is, utilize the expense of multiplex section to transmit warning information; Under the situation that network breaks down, switch the business on the normal circuit.According to International Telecommunications Union's telecommunication standardsization (International Telecommunication Union Telecommunication StandardSector; Abbreviate ITU-T as) standard; If network measuring is to fault, switching time can not surpass 50ms.
Fig. 1 is the sketch map according to the MSP processing scheme framework of correlation technique, and is as shown in Figure 1, in traditional device, the scheme that realizes MSP basically according to the following steps: (1) is provided with the content of MSP protection group through network manager; (2) all optical ports regularly pass to the MSP decision package with the warning information that receives; (3) the MSP decision package will be switched each optical port of result notification, realize switching.It is thus clear that in traditional scheme, MSP decision package and optical port be not on same veneer, the content of step (2) and (3) is to transmit through the hardware line between veneer.
But, in some equipment, during hardware designs; The content of step (2) and (3) is to transmit through ethernet communication or similar mode; Will bring a problem like this, that is, if too many content need be through transmitting between step (2) and (3); The untimely phenomenon of communication process can occur, will cause switching time not meet the demands like this.
Summary of the invention
Main purpose of the present invention is to provide a kind of scheme of switching of multiplex section protection, the problem that information processing rate is untimely and the MSP switching time is long between veneer when passing through ethernet communication to solve at least in the above-mentioned correlation technique.
To achieve these goals, according to an aspect of the present invention, a kind of reverse method of multiplex section protection is provided.
Reverse method according to multiplex section protection of the present invention may further comprise the steps: after the ply-yarn drill of group transmission network PTN equipment receives the warning information that reports of its port, judge whether the type of the multiplex section protection MSP group that this port is affiliated is protection group in the plate; If then the port in the protection group is switched in the ply-yarn drill indicator board; Otherwise ply-yarn drill passes to warning information the master control borad of PTN equipment through the mode of communication between plate.
Further; Ply-yarn drill receives before the warning information that reports of its port; This method also comprises: the information of the MSP group of the network management device configuration that the PTN equipment interconnection is received is analyzed; The type of the MSP group under confirming according to the position of this MSP group middle port, wherein, the type of MSP group comprises the inter-board protection group of port in different baffles that is used in reference to protection group in the plate of port in same baffle that shows in the MSP group and is used for indicating the MSP group; If the type of MSP group is a protection group in the plate, then with the information of the MSP group of network management device configuration be issued to this plate in the corresponding ply-yarn drill of protection group; If the type of MSP group is the inter-board protection group, the information that the MSP that then network management device is disposed organizes sends to master control borad.
Further; If the type of MSP group is a protection group in the plate; Then the port in the interior protection group of ply-yarn drill indicator board is switched and comprised: ply-yarn drill is judging that according to the warning information that reports of its port under the situation that needs are switched, the port in the indicator board in the protection group is switched.
Further, ply-yarn drill passes to the mode of warning information through communication between plate after the master control borad of PTN equipment, and this method also comprises: master control borad is switched through the port in the communication modes indication inter-board protection group between plate.
Further, communication modes comprises message queue between plate.
To achieve these goals, according to a further aspect in the invention, a kind of PTN equipment is provided also.
According to PTN equipment of the present invention; Comprise master control borad and a plurality of ply-yarn drill; Wherein, Each ply-yarn drill comprises in a plurality of ply-yarn drills: MSP set type judge module, be used for after receiving the warning information that self port reports, and judge whether the type of the multiplex section protection MSP group under this port is protection group in the plate; Switch decision-making module in the plate, be used for judging that at MSP set type judge module the type of MSP group is under the situation of protection group in the plate, the port in the indicator board in the protection group is switched; And judge that at MSP set type judge module the type of MSP group is not under the situation of protection group in the plate, the mode of warning information through communication between plate passed to master control borad.
Further; Master control borad comprises: analysis module; Be used for the information that the MSP that the network management device that receives disposes organizes is analyzed; And the type of the MSP group under confirming according to the position of this MSP group middle port, wherein, the type of MSP group comprises the inter-board protection group of port in different baffles that is used in reference to protection group in the plate of port in same baffle that shows in the MSP group and is used for indicating the MSP group; Processing module, the type that is used for the MSP group under analysis module is confirmed is under the situation of protection group in the plate, with the information of the MSP group of network management device configuration be issued to plate in the corresponding ply-yarn drill of protection group; And the type of the group of the MSP under analysis module is confirmed is under the situation of inter-board protection group, the information of the MSP group of network management device configuration sent to switches decision-making module between plate.
Further, master control borad also comprises: switch decision-making module between plate, after being used in the plate that receives from ply-yarn drill, switching the warning information of decision-making module transmission, switch through the port in the communication modes indication inter-board protection group between plate.
Further, switching decision-making module in the plate also is used for judging that according to the warning information that reports of its port under the situation that needs are switched, the port in the indicator board in the protection group is switched.
To achieve these goals, in accordance with a further aspect of the present invention, a kind of exchanging system of multiplex section protection is provided also.
According to the exchanging system of multiplex section protection of the present invention, comprise network configuration device and above-mentioned PTN equipment, wherein, network configuration device comprises: module is set, be used to dispose the information of multiplex section protection MSP group, and this information will be handed down to PTN equipment.
Through the present invention; Adopt the mode of distinguishing the MSP set type; With the decision-making of protection group in the plate with switch in veneer inside and carry out; Solve the problem that information processing rate is untimely and the MSP switching time is long between veneer when passing through ethernet communication in the correlation technique, reduced the amount of information of communication between veneer, improved the treatment effeciency of system.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the sketch map according to the MSP processing scheme framework of correlation technique;
Fig. 2 is the flow chart according to the reverse method of the multiplex section protection of the embodiment of the invention;
Fig. 3 is the structured flowchart according to the PTN equipment of the embodiment of the invention;
Fig. 4 is the structured flowchart of PTN equipment according to the preferred embodiment of the invention;
Fig. 5 is the structured flowchart according to the exchanging system of the multiplex section protection of the embodiment of the invention;
Fig. 6 is the sketch map according to the MSP processing scheme framework of the preferred embodiment of the present invention one; And
Fig. 7 is a sketch map of handling framework according to the PTN equipment MSP of the preferred embodiment of the present invention two.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
According to the embodiment of the invention, a kind of reverse method of multiplex section protection is provided.Fig. 2 is the flow chart according to the reverse method of the multiplex section protection of the embodiment of the invention, and is as shown in Figure 2, and this method may further comprise the steps:
Step S202 after the ply-yarn drill of group transmission network PTN equipment receives the warning information that reports of its port, judges whether the type of the multiplex section protection MSP group that this port is affiliated is protection group in the plate;
Step S204 is if then the port in the protection group is switched in the ply-yarn drill indicator board; Otherwise ply-yarn drill passes to warning information the master control borad of PTN equipment through the mode of communication between plate.
Pass through above-mentioned steps; Adopt the mode of distinguishing the MSP set type; With the decision-making of protection group in the plate with switch in veneer inside and carry out; Solve the problem that information processing rate is untimely and the MSP switching time is long between veneer when passing through ethernet communication in the correlation technique, reduced the amount of information of communication between veneer, improved the treatment effeciency of system.
Preferably; Before step S202; The information of the MSP group of the network management device configuration that the PTN equipment interconnection is received is analyzed; The type of the MSP group under confirming according to the position of this MSP group middle port, wherein, the type of MSP group comprises the inter-board protection group of port in different baffles that is used in reference to protection group in the plate of port in same baffle that shows in this MSP group and is used for indicating this MSP group; If the type of MSP group is a protection group in the plate, then with the information of the MSP group of network management device configuration be issued to this plate in the corresponding ply-yarn drill of protection group; If the type of MSP group is the inter-board protection group, the information that the MSP that then network management device is disposed organizes sends to master control borad.This method can be issued to PTN equipment in the MSP group information of network management device configuration with the user, makes PTN equipment to discern the port that belongs to different grouping, thereby handles respectively, has improved the flexibility of system.
Preferably, in step S204, ply-yarn drill can be according to the warning information that reports of its port under the situation that the judgement needs are switched, and the port in the indicator board in the protection group is switched.This method can improve the accuracy and the validity of system.
Preferably, among the step S204, ply-yarn drill passes to the mode of warning information through communication between plate after the master control borad of PTN equipment, and master control borad can be switched through the port in the communication modes indication inter-board protection group between plate.This method can only be handled to the port in the inter-board protection group, has reduced the interaction message between master control borad and the ply-yarn drill, has improved system effectiveness.
Preferably, communication modes can comprise message queue between the plate among the step S204.This method is simple and practical, workable.
Corresponding to said method, the embodiment of the invention also provides a kind of PTN equipment.Fig. 3 is the structured flowchart according to the PTN equipment of the embodiment of the invention; As shown in Figure 3; This PTN equipment 30 comprises master control borad 32 and a plurality of ply-yarn drills 34, and wherein, each ply-yarn drill 34 comprises in a plurality of ply-yarn drills 34: MSP set type judge module 342; Be used for after receiving the warning information that self port reports, judge whether the type of the multiplex section protection MSP group under this port is protection group in the plate; Switch decision-making module 344 in the plate, be coupled to MSP set type judge module 342, be used for judging that at MSP set type judge module 342 type of MSP group is under the situation of protection group in the plate, the port in the indicator board in the protection group is switched; And judge that at MSP set type judge module 342 type of MSP group is not under the situation of protection group in the plate, the mode of warning information through communication between plate passed to master control borad 32.
Through above-mentioned PTN equipment 30; Adopt the mode of distinguishing the MSP set type; With the decision-making of protection group in the plate with switch in veneer inside and carry out; Solve the problem that information processing rate is untimely and the MSP switching time is long between veneer when passing through ethernet communication in the correlation technique, reduced the amount of information of communication between veneer, improved the treatment effeciency of system.
Fig. 4 is the structured flowchart of PTN equipment according to the preferred embodiment of the invention; As shown in Figure 4; Master control borad 32 comprises: analysis module 42; Be used for the information that the MSP that the network management device that receives disposes organizes is analyzed; And the type of the MSP group under confirming according to the position of this MSP group middle port, wherein, the type of MSP group comprises the inter-board protection group of port in different baffles that is used in reference to protection group in the plate of port in same baffle that shows in this MSP group and is used for indicating this MSP group; Processing module 44; Be coupled to switch in analysis module 42, the plate and switch decision-making module 322 between decision-making module 344 and plate; The type that is used for the MSP group under analysis module 42 is confirmed is under the situation of protection group in the plate, with the information of the MSP group of network management device configuration be issued to plate in the corresponding ply-yarn drill of protection group; And the type of the MSP group under analysis module 42 is confirmed is under the situation of inter-board protection group, the information of the MSP group of network management device configuration sent to switches decision-making module 322 between plate.
Preferably; Master control borad 32 also comprises: switch decision-making module 322 between plate; Be coupled to and switch decision-making module 344 and processing module 44 in the plate; After being used in receiving, switching the above-mentioned warning information of decision-making module 344 transmissions, switch through the port in the communication modes indication inter-board protection group between plate from plate.
Preferably, switching decision-making module 344 in the plate also is used for judging that according to the warning information that reports of its port under the situation that needs are switched, the port in the indicator board in the protection group is switched.
Preferably, switching decision-making module 322 between plate also is used for switching through the port of message queue indication inter-board protection group.
In addition, the embodiment of the invention also provides a kind of exchanging system of multiplex section protection.Fig. 5 is the structured flowchart according to the exchanging system of the multiplex section protection of the embodiment of the invention; As shown in Figure 5, the exchanging system 50 of this multiplex section protection comprises network configuration device 52 and above-mentioned PTN equipment 30, wherein; Network configuration device 52 comprises: module 522 is set; Be coupled to PTN equipment 30, be used to dispose the information of multiplex section protection MSP group, and this information will be handed down to PTN equipment 30.
Be elaborated below in conjunction with preferred embodiment and accompanying drawing implementation procedure to the foregoing description.
Preferred embodiment one
Fig. 6 is the sketch map according to the MSP processing scheme framework of the preferred embodiment of the present invention one, and is as shown in Figure 6, and the processing framework of present embodiment can be divided into two parts: the processing stage that configuration phase and MSP switching.Particularly, configuration phase can comprise the steps:
Step 2, protection group information analysis unit is analyzed the MSP protection group information of receiving, if the port in the protection group relates to a plurality of baffles, changes step 3; If the port in the protection group in same veneer, changes step 4.
Step 3, protection group information analysis unit passes to protection group information between the MSP plate and switches decision package.
Step 4, protection group information analysis unit passes to protection group information in the MSP plate and switches decision package.
And switch for MSP the processing stage, below can be respectively according to switch between plate with plate in switch and describe.
1. switch processing procedure between plate: the port in the inter-board protection group passes to the mode of state information through communication between veneer between the MSP plate and switches decision package (promptly; Information B in the corresponding diagram 6); Switch result that decision package will the analyze mode through communication between veneer between the MSP plate and pass to the port (that is information A in the corresponding diagram 6) in the inter-board protection group.
2. switch processing procedure in the plate: the port in the plate in the protection group is directly notified state information in the MSP plate and is switched decision package; (promptly; Information D in the corresponding diagram 6), switch the result that decision package will analyze in the MSP plate and be directly passed to each port (that is information C in the corresponding diagram 6).
It is thus clear that present embodiment is divided in the plate protection and inter-board protection with the MSP protection zone, wherein, the decision-making of protection and switch in veneer inside and carry out in the plate, owing to need not to carry out the mutual of information between a plurality of veneers, treatment effeciency improves a lot; The decision-making of inter-board protection and switch with correlation technique in processing basic identical, but owing to reduced the amount of information of communication between veneer, improve the effect that MSP switches efficient thereby reach.
Preferred embodiment two
Present embodiment is an example with PTN equipment, specifies the handling process of the reverse method of multiplex section protection.Here hypothesis need be provided with two MSP protection groups, comprises ply-yarn drill a port one, port 2 among one of them protection group A, comprises ply-yarn drill a port 3 and ply-yarn drill b port 2 among another protection group B.Fig. 7 is a sketch map of handling framework according to the PTN equipment MSP of the preferred embodiment of the present invention two, and as shown in Figure 7, configuration step can comprise the steps:
Step S702, network management unit configuration MSP protection group, information is issued to protection group information analysis unit, changes step S704.
Step S704, protection group information analysis unit is according to the position of protection group middle port, judges that protection group A belongs in the plate to switch, and changes step S706; Judge that protection group B belongs between plate and switch, change step S710.
Step S706, protection group information analysis unit is organized A information with protection and is issued to ply-yarn drill a, changes step S708.
Step S708 sets up MSP protection group A in ply-yarn drill a, and creates decision package ProcA.
Step S710, protection group information analysis unit is organized B information with protection and is sent to master control, changes step S712.
Step S712 sets up MSP protection group B in master control, and creates decision package ProcB.
Switching step can comprise:
1. among the protection group A, the port one of ply-yarn drill a and port 2 detection port receive information, pass to decision package ProcA then, and whether the ProcA decision-making switches, and notifies the transmission information of these two ports.
2. among the protection group B; The port 3 of ply-yarn drill a and the port 2 reception information of ply-yarn drill b, the mode with message queue passes to master control then, after message queue is resolved in master control; Pass to ProcB; Whether the ProcB decision-making switches, and then switch messages is sent to ply-yarn drill a and ply-yarn drill b respectively through message queue, and last ply-yarn drill a and ply-yarn drill b are respectively with the port of passing to behind the message queue information analysis separately.
Need to prove that the protection group is meant the MSP protection of configuration, the protection group of related port in same baffle in the plate in the embodiment of the invention; The inter-board protection group is meant the MSP protection of configuration, the protection group of related port in different baffles; Switching in the plate is switching of taking place in the protection group in the fingerboard; Switch between plate and be meant switching of taking place in the inter-board protection group.
In sum; The embodiment of the invention relates to the equipment that need carry out multiplex section protection in the optical communication industry, and a kind of method that improves multiplex section protection exchanging efficient is provided, and adopts the mode of distinguishing the MSP set type; With the decision-making of protection group in the plate with switch in veneer inside and carry out; Solve the problem that the communication processing speed is untimely and the MSP switching time is long between veneer in the correlation technique, reduced the amount of information of communication between veneer, improved the treatment effeciency of system.
Obviously; It is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize that they can concentrate on the single calculation element with the general calculation device; Perhaps be distributed on the network that a plurality of calculation element forms; Alternatively, they can be realized with the executable program code of calculation element, carried out by calculation element thereby can they be stored in the storage device; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the reverse method of a multiplex section protection is characterized in that, may further comprise the steps:
After the ply-yarn drill of group transmission network PTN equipment receives the warning information that reports of its port, judge whether the type of the multiplex section protection MSP group that this port is affiliated is protection group in the plate;
If then said ply-yarn drill indicates the port in the interior protection group of said plate to switch; Otherwise said ply-yarn drill passes to said warning information the master control borad of said PTN equipment through the mode of communication between plate.
2. method according to claim 1 is characterized in that, said ply-yarn drill receives before the warning information that reports of its port, also comprises:
The information of the MSP group of the network management device configuration that said PTN equipment interconnection is received is analyzed; Confirm the type of affiliated said MSP group according to the position of this MSP group middle port; Wherein, the type of said MSP group comprises the inter-board protection group of port in different baffles that is used in reference to protection group in the plate of port in same baffle that shows in the said MSP group and is used for indicating said MSP group;
If the type of said MSP group is a protection group in the plate, then with the information of the MSP group of said network management device configuration be issued to this plate in the corresponding ply-yarn drill of protection group; If the type of said MSP group is the inter-board protection group, the information that the MSP that then said network management device is disposed organizes sends to said master control borad.
3. method according to claim 1 is characterized in that, if the type of said MSP group is a protection group in the plate, then said ply-yarn drill indicates in the said plate port in the protection group to switch to comprise:
Said ply-yarn drill under the situation that the judgement needs are switched, indicates in the said plate port in the protection group to switch according to the warning information that reports of its port.
4. according to claim 2 or 3 described methods, it is characterized in that said ply-yarn drill passes to the mode of said warning information through communication between plate after the master control borad of said PTN equipment, also comprises:
Said master control borad indicates the port in the said inter-board protection group to switch through communication modes between said plate.
5. according to each described method in the claim 1 to 4, it is characterized in that communication modes comprises message queue between said plate.
6. a group transmission network PTN equipment is characterized in that, comprises master control borad and a plurality of ply-yarn drill, and wherein, each ply-yarn drill comprises in said a plurality of ply-yarn drills:
MSP set type judge module is used for after receiving the warning information that self port reports, and judges whether the type of the multiplex section protection MSP group under this port is protection group in the plate;
Switch decision-making module in the plate, be used for judging that at said MSP set type judge module the type of said MSP group is under the situation of protection group in the plate, indicate the port in the interior protection group of said plate to switch; And in type that said MSP set type judge module is judged said MSP group under the situation for protection group in the said plate, the mode of said warning information through communication between plate passed to said master control borad.
7. PTN equipment according to claim 6 is characterized in that, said master control borad comprises:
Analysis module; Be used for the information that the MSP that the network management device that receives disposes organizes is analyzed; And the type of the said MSP group under confirming according to the position of this MSP group middle port; Wherein, the type of said MSP group comprises the inter-board protection group of port in different baffles that is used in reference to protection group in the plate of port in same baffle that shows in the said MSP group and is used for indicating said MSP group;
Processing module, the type that is used for the said MSP group under said analysis module is confirmed is under the situation of protection group in the plate, with the information of the MSP group of said network management device configuration be issued to said plate in the corresponding ply-yarn drill of protection group; And the type of the said MSP group under said analysis module is confirmed is under the situation of inter-board protection group, the information of the MSP group of said network management device configuration sent to switches decision-making module between plate.
8. PTN equipment according to claim 7 is characterized in that, said master control borad also comprises:
Switch decision-making module between said plate, after being used in the said plate that receives from said ply-yarn drill, switching the said warning information of decision-making module transmission, indicate the port in the said inter-board protection group to switch through communication modes between said plate.
9. PTN equipment according to claim 6 is characterized in that, switches decision-making module in the said plate and also is used for judging under the situation that needs are switched according to the warning information that reports of its port, indicates the port in the interior protection group of said plate to switch.
10. the exchanging system of a multiplex section protection is characterized in that, comprises each said PTN equipment in network configuration device and the claim 6 to 9, wherein,
Said network configuration device comprises: module is set, be used to dispose the information of multiplex section protection MSP group, and this information will be handed down to said PTN equipment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105931251A CN102571384A (en) | 2010-12-16 | 2010-12-16 | Switching method, system and packet transmission network device for multiplex section protection |
| PCT/CN2011/072882 WO2012079328A1 (en) | 2010-12-16 | 2011-04-15 | Switching method and system for multiplex section protection and packet transport network device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105931251A CN102571384A (en) | 2010-12-16 | 2010-12-16 | Switching method, system and packet transmission network device for multiplex section protection |
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| CN102571384A true CN102571384A (en) | 2012-07-11 |
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| CN2010105931251A Pending CN102571384A (en) | 2010-12-16 | 2010-12-16 | Switching method, system and packet transmission network device for multiplex section protection |
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| WO (1) | WO2012079328A1 (en) |
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| WO2016145812A1 (en) * | 2015-03-18 | 2016-09-22 | 中兴通讯股份有限公司 | Method and apparatus for improving rearranging efficiency of multiplexing segments in packet transport network |
| CN109361552A (en) * | 2018-11-28 | 2019-02-19 | 迈普通信技术股份有限公司 | Port switching method, master control board card, business board and switching equipment |
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| CN104683078B (en) * | 2015-02-06 | 2019-04-16 | 烽火通信科技股份有限公司 | Multiplex section protection system and guard method based on multicast mode |
| CN107888280A (en) * | 2016-09-29 | 2018-04-06 | 中兴通讯股份有限公司 | The two-way reverse method of multiplex section protection, apparatus and system |
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| CN101047547A (en) * | 2006-03-30 | 2007-10-03 | 华为技术有限公司 | Method and device for implementing port protection |
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| WO2016145812A1 (en) * | 2015-03-18 | 2016-09-22 | 中兴通讯股份有限公司 | Method and apparatus for improving rearranging efficiency of multiplexing segments in packet transport network |
| CN109361552A (en) * | 2018-11-28 | 2019-02-19 | 迈普通信技术股份有限公司 | Port switching method, master control board card, business board and switching equipment |
Also Published As
| Publication number | Publication date |
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| WO2012079328A1 (en) | 2012-06-21 |
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