CN108667643A - A kind of communication failure restoration methods and the first communication network element - Google Patents
A kind of communication failure restoration methods and the first communication network element Download PDFInfo
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- CN108667643A CN108667643A CN201710201880.2A CN201710201880A CN108667643A CN 108667643 A CN108667643 A CN 108667643A CN 201710201880 A CN201710201880 A CN 201710201880A CN 108667643 A CN108667643 A CN 108667643A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
- H04L12/437—Ring fault isolation or reconfiguration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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Abstract
The embodiment of the present application discloses a kind of communication failure restoration methods and the first communication network element, the reliability for improving fiber optic communication.The embodiment of the present application method includes：When the first communication network element detects the RX path communication disruption of first passage, first communication network element is determined carries out data transmission using the transmitting path of the first passage and the transmitting path of second channel, and determines and carry out data receiver using the RX path of second channel；When the RX path of the first passage is restored by communication disruption to when communicating normal, first communication network element does not convert data transmit-receive path so that first communication network element still using the RX path communication disruption of the first passage when determine that the transceiver path that uses carries out data transmit-receive.
Description
Technical field
This application involves the communications field more particularly to a kind of communication failure restoration methods and the first communication network elements.
Background technology
Current differential relay protection business is electric power core production control business, wherein current differential relay protection business
The technology of communication network time delay symmetry is required be：In business one-way conduction, electric relay protection equipment can perceive
Communication failure, at this point, electric relay protection equipment will not malfunction；In business bidirectional conduction, if transceiver path is inconsistent,
Electric relay protection equipment malfunction may be then caused to be made, so as to further cause serious production accident.
Currently, when single fiber interruption occurs, using multiplex section protective ring, carried out based on G.841 standard multiplexing turning protocol
Single fiber fault recovery.But since there are theoretical defects for above-mentioned G.841 standard multiplexing turning protocol, in single fiber fault recovery,
Business bidirectional conduction, but the situation that transceiver path is inconsistent can occur, so as to cause cannot be satisfied current differential relay protection industry
It is engaged in receiving and dispatching communication network the requirement of time delay symmetry.
In the prior art, when single fiber occurring interrupting, using establishing two independent communication networks, wherein based on one
With communication network, another is spare communication network, and primary communication network and spare communication network do not configure multiplex section
Protection ring carries out communication failure recovery.
Conventionally, as establishing two independent communication networks does not configure multiplex section protective ring, this is just meaned
It, when primary communication network breaks down, the communication failure of itself does not restore function to primary communication network, can only pass through electricity
Power relay protection device manually enables spare communication network to restore normal communication, to reduce the reliable of fiber optic communication
Property.
Invention content
In a first aspect, the embodiment of the present application provides a kind of communication failure restoration methods, including：
First, when the first communication network element detects the RX path communication disruption of first passage, the first communication network element is true
Surely the transmitting path of the RX path and second channel that use first passage carries out data transmission, meanwhile, the first communication network element is true
The RX path for determining second channel carries out data receiver, it should be appreciated that when service aisle one-way communication failure, the first communication network element
Double hairs are carried out using service aisle and protection channel, single receipts are carried out using protection channel；
Secondly, when the RX path of above-mentioned first passage is restored by communication disruption to when communicating normal, the first communication network element
Data transmit-receive path is not converted, i.e. the first communication network element still uses service aisle and protection channel to carry out double hairs, uses protection
Channel carries out single receipts.
As can be seen from the above technical solutions, the embodiment of the present application has the following advantages：First, when the reception of first passage
Path is restored by communication disruption to when communicating normal, and the first communication network element does not convert data transmit-receive path, and the second communication network element is extremely
First communication network element direction is still communicated using second channel, still, at this time the second communication network element using first passage into
Row data send rather than use second channel, the communication disruption of the second communication network element to the first communication network element direction；Next, by
Data receiver is carried out using first passage in the second communication network element, and the first communication network element still uses first passage into line number
According to transmission, the second communication network element to the first communication network element direction carries out normal communication, therefore, the first communication network using first passage
One-way communication is normal between member and the second communication network element, so that electric relay protection equipment can perceive communication failure and keep away
Non-electrical relay protection device malfunctions, to which communication failure restoration methods improve fiber optic communication in the embodiment of the present application
Reliable letter.
In a kind of possible design, in the first possible realization method of first aspect, in the first communication network element
After not converting data transmit-receive path, which further includes：
When the first communication network element receives the first message of the second communication network element transmission, wherein the first message is used for
Indicate the first communication network element carry out data transmit-receive path changeover, at this point, the first communication network element just will originally use first passage and
Second channel carries out the double hairs of data and is transformed to only use the transmitting path progress data transmission of first passage, and the first communication network
Member will carry out data receiver using second channel originally and be transformed to carry out data receiver using first passage.
Secondly, it in the first possible realization method of the first aspect, receives instruction in the first communication network element and receives
When sending out the instruction information of path switching, the first communication network element carries out data transmission by while using service aisle and protection channel,
It protects channel to carry out data receiver with using, is transformed to only use first passage progress data transmission and data receiver, it should be appreciated that
This kind of possible realization method makes the communication of the first communication network element by protecting channel to switch to service aisle.
In a kind of possible design, in second of possible realization method of first aspect, in the first communication network element
It determines and determines that the transmitting path using first passage carries out data transmission according to first message, and determine connecing using first passage
Before receiving path progress data receiver, which further includes：
It uses the RX path of above-mentioned first passage to carry out data transmission when the second communication network element determines, and determines using upper
When stating the transmitting path progress data receiver of first passage, the first communication network element receives the second communication network element is sent first and disappears
Breath.
Secondly, in second of possible realization method of the first aspect, it is to be understood that in the second communication network element
It is first converted into after carrying out data transmit-receive by first passage, the first communication unit has been transformed to first passage and has carried out data receipts again
Hair so that the transceiver path between the first communication unit and the second communication unit becomes consistent again.
In a kind of possible design, in the third possible realization method of first aspect, above-mentioned first message can
Think the multiplexing section protocol major diameter control word that the second communication network element is sent by second channel.
Secondly, in the third possible realization method of first aspect, the second communication network element is sent by second channel
It is multiplexed section protocol major diameter control word, needs to carry out data transmit-receive path changeover so that the first communication network element is known.
Second aspect, the embodiment of the present application provide a kind of first communication network element, which has realization above-mentioned
The function of first communication network element behavior in first aspect.The function can also execute phase by hardware realization by hardware
The software realization answered.The hardware or software include one or more modules corresponding with above-mentioned function.
The third aspect, the embodiment of the present application provide a kind of first communication network element, including：Processor, memory, input equipment
And output equipment；The memory is for storing computer executed instructions, and when first communication network element is run, which executes
Computer executed instructions of memory storage, so that first communication network element is executed such as above-mentioned first aspect any one
Communication failure restoration methods.
Fourth aspect, the embodiment of the present application provide a kind of computer readable storage medium, for being stored as above-mentioned first
Computer software instructions used in communication network element, when run on a computer so that computer can execute above-mentioned first
The communication failure restoration methods of any one of aspect.
5th aspect, the embodiment of the present application provides a kind of computer program product including instruction, when it is in computer
When upper operation so that computer can execute the communication failure restoration methods of any one of above-mentioned first aspect.
In addition, technique effect caused by any design method can be found in first aspect in second aspect to the 5th aspect
Technique effect caused by middle different designs mode, details are not described herein again.
Description of the drawings
Fig. 1 is a system framework schematic diagram of communication failure restoration methods in the embodiment of the present application；
Fig. 2 is one embodiment schematic diagram of communication failure restoration methods in the embodiment of the present application；
Fig. 3 is one embodiment schematic diagram of the first communication network element in the embodiment of the present application；
Fig. 4 is another embodiment schematic diagram of the first communication network element in the embodiment of the present application；
Fig. 5 is another embodiment schematic diagram of the first communication network element in the embodiment of the present application.
Specific implementation mode
The embodiment of the present application provides a kind of communication failure restoration methods and the first communication network element, for improving fiber optic communication
Reliability.
Term " first ", " second ", " third " in the description and claims of this application and above-mentioned attached drawing, "
The (if present)s such as four " are for distinguishing similar object, without being used to describe specific sequence or precedence.It should manage
The data that solution uses in this way can be interchanged in the appropriate case, so that the embodiments described herein can be in addition to illustrating herein
Or the sequence other than the content of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment need not limit
In those of clearly listing step or unit, but may include not listing clearly or for these processes, method, production
The intrinsic other steps of product or equipment or unit.
During fiber optic communication, if burst communication failure, led to using G.841 standard multiplex section rearrangement agreement
Believe fault recovery.As shown in Figure 1, for A network elements, a multiplex section protective ring of B network elements, C network elements and D network elements composition, work as generation
When one-way communication failure, one-way communication failure is carried out based on G.841 standard multiplex section rearrangement agreement and is restored again, it should be appreciated that as
Shown in Fig. 1, the communication mode between aforementioned four network element is to use full-duplex communication, therefore, by taking B network elements and C network elements as an example, B
One-way communication failure between network element and C network elements can be understood as B network elements to the data communication disruption of C network elements, and C network elements are extremely
The data communication of B network elements is normal.
Wherein, it is to be understood that it is direct progress data transmit-receive in normal conditions, between B network elements and C network elements,
At this point it is possible to be interpreted as selecting service aisle to be communicated between B network elements and C network elements；Once but between B network elements and C network elements
Protection channel is then enabled when service aisle communication failure such as one-way communication failure, between B network elements and C network elements to be communicated, even if
It uses A network elements and D network elements to be relayed as data forwarding and carries out indirect communication, or perhaps bridge.
For the ease of understanding communication failure restoration methods in the embodiment of the present application, below the first communication network element with C network elements,
Two communication network elements illustrate the communication failure restoration methods in the embodiment of the present application by taking B network elements as an example, specifically can be as follows：
Secondly, it should be appreciated that in the communication port (service aisle or protection channel) between B network elements and C network elements, for B
For network element, the unidirectional communication paths of B network elements to C network elements are data transmitting pathes for B network elements, for C network elements
It is then data receiver path, but it is understood that, substantially, the data transmitting path of B network elements and the data receiver road of C network elements
Diameter is the same direction in communication channel, same paths.
Embodiment one, as shown in Fig. 2, one embodiment of communication failure restoration methods includes in the embodiment of the present application：
201, C network elements detect the RX path communication disruption of first passage.
In the present embodiment, C network elements detect the RX path communication terminal of first passage, wherein first passage is C network elements
The service aisle of full-duplex communication is carried out between B network elements, it should be appreciated that it is in service aisle that the RX path of first passage, which interrupts,
B network elements communicate the C network elements in service aisle to B network elements direction normal to C network elements direction communication terminal.
Secondly, it is to be understood that second channel carries out the protection channel of full-duplex communication between C network elements and B network elements,
As its name suggests, second channel is the alternate channel to play a protective role, is just enabled when service aisle sends communication failure, but
Be, it should be noted that for enable second channel the case where can there are many communication failure may, this is not limited herein
System.
202, C network elements triggering multiplex section protective ring carries out communication failure recovery.
In the present embodiment, after C network elements detect that the RX path of first passage interrupts, C network elements trigger multiplex section and protect
Retaining ring carry out communication failure recovery, it should be appreciated that herein multiplex section protective ring be based on G.841 standard multiplex section rearrangement agreement come into
What row communication failure restored, wherein the operation that C network elements trigger multiplex section protective ring can be specific as follows：
C network elements are bridged and are switched respectively, wherein bridge joint (is used simultaneously using double hairs for transmitting terminal
First passage and the second go side carry out data transmission), concretely：C network elements are simultaneously using the transmitting path of first passage and the
The transmitting path in two channels carries out data transmission；In addition, it is to replace first to lead to using the second go side for receiving terminal to switch
Road carries out data receiver, can be specially：C network elements are determined carries out data receiver using the RX path of second channel, without the use of
The RX path of first passage carries out data receiver.
Optionally, B network elements are bridged and are switched respectively, wherein bridge joint is for transmitting terminal, (i.e. using double hairs
Simultaneously data transmission is carried out using first passage and the second go side), concretely：B network elements are simultaneously using above-mentioned first passage
The RX path of RX path and above-mentioned second channel carries out data transmission；In addition, switching is used for receiving terminal
Second go side replaces first passage to carry out data receiver, can be specially：B network elements determine the transmitting path using above-mentioned second channel
Data receiver is carried out, the transmission path without the use of first passage carries out data receiver.
Secondly, it can be understood as, in B network elements to when one-way communication interruption occurring between C network elements, C network elements and B network elements open
Data transmit-receive is carried out with second channel, the transceiver path between B network elements and C network elements is consistent at this time, is that second channel is protected
Channel.
203, when the RX path of first passage is restored by communication disruption to when communicating normal, C network elements do not convert data receipts
Send out path.
In the present embodiment, when the RX path of first passage is restored by communication disruption to when communicating normal, C network elements do not convert
Data transmit-receive path, it can be understood as, when the one-way communication of B network elements to C network elements, which interrupts, restores normal, C network elements are continuing with
It bridges and switches.
204, B network elements transformation data transmit-receive path.
In the present embodiment, when the RX path of first passage is restored by communication disruption to when communicating normal, B network elements convert number
According to transceiver path, it can be understood as, at this point, B network element change data transceiver paths, and there is no change datas to receive and dispatch road for C network elements
Diameter, similar with above-mentioned steps 203, B network elements transformation data transmit-receive path can be：B network elements are cancelled bridge joint and are switched simultaneously, also
It is to say, B network elements are redefined carries out data transmission using the RX path of above-mentioned first passage, and determines logical using above-mentioned first
The transmitting path in road carries out data receiver.
Secondly, it is to be understood that since B network elements have cancelled bridge joint, does not use second channel and carry out data transmission,
And C network elements not switch by cancellation, can only carry out data receiver in second channel, therefore, B network elements cannot send data to C network elements；
It is switched in addition, having cancelled due to B network elements, data receiver is carried out using first passage, and C network elements do not cancel bridge joint, according to
Data transmission so is carried out using first passage and second channel simultaneously, therefore, C network elements can send data to B network elements, to sum up institute
It states, at this point, belonging to one-way conduction between B network elements and C network elements.
Optionally, in a kind of possible design, when B network elements receive the multiplex section that C network elements are sent by second channel
When agreement major diameter control word K_L_C2B, B network elements are cancelled bridge joint and are switched respectively.
205, C network elements transformation data transmit-receive path.
In the present embodiment, after B network elements are cancelled bridge joint and switched respectively, C network elements are similar with B network elements, also cancel respectively
It bridges and switches.
Optionally, in a kind of possible design, first disappear by the way that second channel is sent when C network elements receive B network elements
When breath, C network elements are cancelled bridge joint and are switched respectively, wherein the first message is used to indicate C network elements and carries out data transmit-receive path change
It changes.
Optionally, in a kind of possible design, above-mentioned first message can be multiplex section agreement major diameter control word K_L_
B2C。
In the present embodiment, when the RX path of above-mentioned first passage is restored by communication disruption to when communicating normal, C network elements are first
Not cancel bridge joint and switches, after B network elements are cancelled bridge joint and switched respectively, C network elements are just cancelled bridge joint and are switched respectively, so that
First, the business of B network elements to C network elements is obstructed, and the business of C network elements to B network elements is different, then, the industry between B network elements and C network elements
Business bidirectional conduction, and data transmit-receive path becomes to be unanimously first passage again, to be interrupted in entire communication failure extensive
Be not in the business bidirectional conduction between B network elements and C network elements during multiple, but the situation that data transmit-receive path is inconsistent,
So that electric relay protection equipment can perceive communication failure and electric relay protection equipment malfunction is avoided to make, to this
Communication failure restoration methods improve the reliable letter of fiber optic communication in application embodiment.
Communication failure restoration methods are described in detail in above-described embodiment a pair of the embodiment of the present application, below from virtual
Functional devices the first communication network element in the embodiment of the present application is illustrated, can be specific as follows：
Embodiment two, as shown in figure 3, in the embodiment of the present application the first network element one embodiment, including：
First determination unit 301, when RX path communication disruption for detecting first passage when the first communication network element,
It determines and carries out data transmission using the transmitting path of the first passage and the transmitting path of second channel, and determine logical using second
The RX path in road carries out data receiver, wherein the first passage between first communication network element and the second communication network element into
The service aisle of row full-duplex communication, the second channel carry out complete double between first communication network element and second communication network element
The protection channel of work communication；
Root changing unit 302, for being restored to when communicating normal by communication disruption when the RX path of the first passage,
Data transmit-receive path is not converted, so that when first communication network element still uses the RX path communication disruption of the first passage
Determine that the transceiver path used carries out data transmit-receive.
Optionally, as shown in figure 4, in a kind of possible design, the first communication network element can also include：Second determines list
Member 403；Wherein, the second determination unit 403, for receiving the first of second communication network element transmission when first communication network element
When message, determine that the transmitting path using the first passage carries out data transmission according to the first message, and determine using this
The RX path in one channel carries out data receiver, which is used to indicate first communication network element and carries out data transmit-receive path
Transformation.
Optionally, as shown in figure 4, in a kind of possible design, the first communication network element can also include：Receiving unit
404；Wherein, receiving unit 404, for carrying out data using the RX path of the first passage when second communication network element is determined
Transmission, and when the determining transmitting path progress data receiver for using the first passage, receive being somebody's turn to do for second communication network element transmission
First message.
Optionally, in a kind of possible design, first message can be that the second communication network element is sent out by the second channel
The multiplexing section protocol major diameter control word sent.
In the present embodiment, first, when the RX path of first passage is restored by communication disruption to when communicating normal, first
Communication network element does not convert data transmit-receive path, and the second communication network element to the first communication network element direction is still carried out using second channel
Communication, still, the second communication network element carries out data transmission using first passage rather than uses second channel at this time, the second communication
Network element to the first communication network element direction communication disruption；It is connect secondly as the second communication network element carries out data using first passage
It receives, and the first communication network element still uses first passage to carry out data transmission, the second communication network element to the first communication network element side
To using first passage to carry out normal communication, therefore, one-way communication is normal between the first communication network element and the second communication network element, with
Allow electric relay protection equipment to perceive communication failure and electric relay protection equipment malfunction is avoided to make, to this Shen
Communication failure restoration methods the reliable letter of fiber optic communication please be improved in embodiment.
Above-described embodiment two is from carrying out the first communication network element in the embodiment of the present application in terms of virtual functional devices
It is described in detail, it, can be specific as follows below from being illustrated to the first communication network element in the embodiment of the present application in terms of entity structure：
Embodiment three, as shown in figure 5, in the embodiment of the present application the first network element another embodiment, including：Receiver
501, transmitter 502, processor 503, memory 504 and bus 505.
Wherein, memory 504 may include read-only memory and random access memory, and refer to the offer of processor 503
Order and data.The a part of of memory 504 can also include nonvolatile RAM (full name in English：Non-
Volatile Random Access Memory, english abbreviation：NVRAM).
Memory 504 stores following element, executable modules or data structures either their subset or
Their superset：
Operational order：Including various operational orders, for realizing various operations；
Operating system：Including various system programs, for realizing various basic businesses and the hardware based task of processing.
Wherein, processor 503 can be used for executing the first communication network element correspondence in above-described embodiment in the embodiment of the present application
Operation, may include operating as follows：
When the first communication network element detects the RX path communication disruption of first passage, determine using the first passage
Transmitting path and the transmitting path of second channel carry out data transmission, and determine and carry out data using the RX path of second channel
It receives, wherein the work that the first passage carries out full-duplex communication between first communication network element and the second communication network element is logical
Road, the second channel carry out the protection channel of full-duplex communication between first communication network element and second communication network element；
When the RX path of the first passage is restored by communication disruption to when communicating normal, data transmit-receive path is not converted,
So that first communication network element determines the transmitting-receiving road used when still using the RX path communication disruption of the first passage
Diameter carries out data transmit-receive.
Optionally, processor 503 can be used for executing following steps：When the RX path of the first passage is by communication disruption
Restore to when communicating normal, do not convert data transmit-receive path, so that first communication network element still uses the first passage
Determine that the transceiver path used carries out data transmit-receive when RX path communication disruption.
Optionally, processor 503 can be used for executing following steps：When first communication network element receives second communication
When the first message that network element is sent, is determined according to the first message and carries out data transmission using the transmitting path of the first passage,
And determine using the first passage RX path carry out data receiver, the first message be used to indicate first communication network element into
Row data transceiver path converts.
Processor 503 controls the operation of the first communication network element, and processor 503 can also be known as central processing unit (English
Full name：Central Processing Unit, english abbreviation：CPU).Memory 504 may include read-only memory and random
Memory is accessed, and instruction and data is provided to processor 503.The a part of of memory 504 can also include NVRAM.Specifically
Application in, the various components of the first communication network element are coupled by bus system 505, wherein bus system 505 except packet
It includes except data/address bus, can also include power bus, controlling bus and status signal bus in addition etc..But illustrate in order to clear
See, various buses are all designated as bus system 505 in figure.
The method that above-mentioned the embodiment of the present application discloses can be applied in processor 503, or be realized by processor 503.
Processor 503 may be a kind of IC chip, the processing capacity with signal.During realization, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 503 or the instruction of software form.Above-mentioned processing
Device 503 can be general processor, digital signal processor (full name in English：Digital Signal Processing, English
Abbreviation：DSP), application-specific integrated circuit (full name in English：Application Specific Integrated Circuit, English
Abbreviation：ASIC), ready-made programmable gate array (full name in English：Field-Programmable Gate Array, english abbreviation：
FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.May be implemented or
Person executes disclosed each method, step and logic diagram in the embodiment of the present application.General processor can be microprocessor or
Person's processor can also be any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present application, can be straight
Connect and be presented as that hardware decoding processor executes completion, or in decoding processor hardware and software module combination executed
At.Software module can be located at random access memory, and flash memory, read-only memory, programmable read only memory or electrically-erasable can
In the storage medium of this fields such as programmable memory, register maturation.The storage medium is located at memory 504, and processor 503 is read
Information in access to memory 504, in conjunction with the step of its hardware completion above method.
The associated description of Fig. 5 can be understood refering to the associated description and effect of Fig. 2 methods part, not done herein excessive
It repeats.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, the technical solution of the application is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the application
Portion or part steps.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, above example are only to illustrate the technical solution of the application, rather than its limitations；Although with reference to before
Embodiment is stated the application is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of communication failure restoration methods, which is characterized in that including：
When the first communication network element detects the RX path communication disruption of first passage, first communication network element, which determines, to be used
The transmitting path of the first passage and the transmitting path of second channel carry out data transmission, and determine connecing using second channel
It receives path and carries out data receiver, wherein the first passage carries out between first communication network element and the second communication network element
The service aisle of full-duplex communication, the second channel carry out between first communication network element and second communication network element
The protection channel of full-duplex communication；
When the RX path of the first passage is restored by communication disruption to when communicating normal, first communication network element does not convert
Data transmit-receive path, so that first communication network element still uses the RX path communication disruption when institute of the first passage
Determine that the transceiver path used carries out data transmit-receive.
2. communication failure restoration methods according to claim 1, which is characterized in that do not converted in first communication network element
After data transmit-receive path, the method further includes：
When first communication network element receives the first message that second communication network element is sent, first communication network element
It determines that the transmitting path using the first passage carries out data transmission according to the first message, and determines and use described first
The RX path in channel carries out data receiver, and the first message is used to indicate first communication network element and carries out data transmit-receive road
Diameter converts.
3. communication failure restoration methods according to claim 2, which is characterized in that in first communication network element according to institute
It states first message and determines that the transmitting path using the first passage carries out data transmission, and determine using the first passage
Before RX path carries out data receiver, the method further includes：
It uses the RX path of the first passage to carry out data transmission when second communication network element determines, and determines and use institute
When stating the transmitting path progress data receiver of first passage, first communication network element receives what second communication network element was sent
The first message.
4. communication failure restoration methods according to any one of claim 1 to 3, which is characterized in that the first message
The multiplexing section protocol major diameter control word sent by the second channel including second communication network element.
5. a kind of first communication network element, which is characterized in that including：
First determination unit, when RX path communication disruption for detecting first passage when the first communication network element, determination makes
Data transmission is carried out with the transmitting path of the first passage and the transmitting path of second channel, and is determined using second channel
RX path carry out data receiver, wherein the first passage between first communication network element and the second communication network element into
The service aisle of row full-duplex communication, the second channel between first communication network element and second communication network element into
The protection channel of row full-duplex communication；
Root changing unit is constant for being restored to when communicating normal by communication disruption when the RX path of the first passage
Data transmit-receive path is changed, so that when first communication network element still uses the RX path communication disruption of the first passage
Determine that the transceiver path used carries out data transmit-receive.
6. the first communication network element according to claim 5, which is characterized in that first communication network element further includes：
Second determination unit, for receiving the first message that second communication network element is sent when first communication network element
When, determine that the transmitting path using the first passage carries out data transmission according to the first message, and determine described in use
The RX path of first passage carries out data receiver, and the first message is used to indicate first communication network element and carries out data receipts
Send out path changeover.
7. the first communication network element according to claim 6, which is characterized in that first communication network element further includes：
Receiving unit, for carrying out data hair using the RX path of the first passage when second communication network element is determined
It send, and determines that reception second communication network element is sent when carrying out data receiver using the transmitting path of the first passage
The first message.
8. the first communication network element according to any one of claims 5 to 7, which is characterized in that the first message includes
The multiplexing section protocol major diameter control word that second communication network element is sent by the second channel.
9. a kind of first communication network element, which is characterized in that including：
Receiver, transmitter, memory and processor；
The memory, for storing operational order；
The processor, for by calling the operational order, executing the operation in the claims 1 to 4.
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| CN201710201880.2A CN108667643A (en) | 2017-03-30 | 2017-03-30 | A kind of communication failure restoration methods and the first communication network element |
| PCT/CN2018/079523 WO2018177154A1 (en) | 2017-03-30 | 2018-03-20 | Communication failure recovery method and first communication network element |
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| CN201710201880.2A CN108667643A (en) | 2017-03-30 | 2017-03-30 | A kind of communication failure restoration methods and the first communication network element |
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| CN113473267A (en) * | 2020-03-31 | 2021-10-01 | 华为技术有限公司 | Data transmission method, device and communication device |
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| CN101582735B (en) * | 2008-05-14 | 2012-01-11 | 中国移动通信集团公司 | Method and device for protection switching |
| CN101877646B (en) * | 2009-04-28 | 2013-03-20 | 华为技术有限公司 | Protection switching method and node equipment |
| JP5170001B2 (en) * | 2009-06-05 | 2013-03-27 | 富士通株式会社 | Node device, processing unit, and control frame processing method |
| CN102006188B (en) * | 2010-11-19 | 2014-07-16 | 中兴通讯股份有限公司 | Path back switching method and device in transport network |
| CN106100954A (en) * | 2016-06-15 | 2016-11-09 | 北京航空航天大学 | A kind of APS redundancy approach based on SpaceWire bus |
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