CN101119161B - Fail processing system and method of transmission equipment - Google Patents
Fail processing system and method of transmission equipment Download PDFInfo
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- CN101119161B CN101119161B CN2006101095358A CN200610109535A CN101119161B CN 101119161 B CN101119161 B CN 101119161B CN 2006101095358 A CN2006101095358 A CN 2006101095358A CN 200610109535 A CN200610109535 A CN 200610109535A CN 101119161 B CN101119161 B CN 101119161B
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Abstract
The present invention relates to a fault disposing system and method in transmission device. The system of the invention at least comprises: a branching channel for connecting client device; a branching interface, which comprises an internal branching interface and an external branching interface; a fault detecting module; a fault execution module connected with the fault detecting module and the branching interface; a fault transmission channel; a business aggregating or disaggregating unit; an aggregate interface; an aggregate channel. The method of the invention comprises a fault generating handing method and a fault restoring handing method. By adopting the system and method of the invention, not only the information of link connection state of Gigabit Ethernet access signal can be transmitted quickly to the routers at two ends, but also the information of connection state of optical transmission network can be transmitted to the access router, thus realizing rapid protection and compression of business data.
Description
Technical field
The present invention relates to optical communication field, fault processing system and method in particularly a kind of transmission equipment.
Background technology
In data network in order to realize quick protection to the data business; router often uses the trigger condition (Millisecond) of physical layer connection status signal as the protection convergence; and in the current transmission network in order to make full use of bandwidth resources often with multichannel gigabit Ethernet (Gigabit Ethernet; hereinafter to be referred as GbE) signal converges in one road high speed signal by aggregation node; such as STM-16 or STM-64, also can be signals such as OTU1 or OTU2.As shown in Figure 1; the ethernet signal that inserts is the tributary signal of node; STM-16 signal after converging is a group signals; because there is the conversion of frame format; so access point at GbE; ethernet signal is terminated; GE-N and node 11 tributary ports 101; node 11 and node 12; the tributary port 601 and the GE-N ' terminal device of node 12 connect mutually; and there is not direct connection relational between GE-N and the GE-N '; the link connection state information; such as link fault signal (Loss of Signal; hereinafter to be referred as LOS); link-recovery LOS disappears and connects alarm link failure (LINK FAIL); connectivity restitution (LINK OK); can't directly be sent to end-to-end router by physical layer; router has only by upper-layer protocol realizes the protection convergence; cause protection convergence time long (second level), can't realize quick protection.On the other hand, when transmission network broke down, when interrupting such as group's route road, the router of both sides also can't the perception link failure, can't produce the protection convergence.
Summary of the invention
The present invention develops in order to address the above problem, its purpose is to provide a kind of fault processing system and method, promptly utilize a special information channel to transmit the connection status of GbE physical layer, the link connection state information that not only GbE can be inserted signal passes to the two ends router fast, and the link connection state information of Optical Transmission Network OTN can be passed to couple in router, thereby realize the quick convergence of the GbE router of access Optical Transmission Network OTN aggregation node.
In view of above purpose, the present invention proposes fault processing system and method in a kind of transmission equipment, this system comprises a path channels at least, is used to connect customer equipment, as the access channel of client's business, transmitting-receiving bidirectional; Tributary port, connect a path channels, be used to finish the reception and the transmission of client's business, the decoding of photoelectricity and electro-optical conversion and client's business and coding, above-mentioned tributary port comprises outside tributary port and inner tributary port, the said external tributary port connects customer equipment, and above-mentioned inner tributary port and other tributary port are connected to each other; Fault detection module, connect tributary port and group's road port, the signal of receiving branch port and group's road port, be used to detect client's business, judge whether the branch road channel communication is normal, judged whether LOS, LINK FAIL, the generation and the disappearance of alarm such as synchronization loss or signal cracking, simultaneously group's road port is carried out fault detect, judge whether group path channels communicates by letter normally, detect whether there is LOS on the group road, signal step-out (Loss of Frame, hereinafter to be referred as LOF), the generation and the disappearance of alarm such as Multiplex Section AIS (Multiplex Section-Alarm Indication Signal is hereinafter to be referred as MS_AIS); The fault Executive Module, connect fault detection module, tributary port and fault input/output interface, receive the signal that fault detection module and fault input/output interface are received, receive the fault message that fault detection module and fault input/output interface are sent here, and according to the different operation of concrete failure code employing, the switch or the startup of control tributary port are consulted; The fault input/output interface connects fault detection module and fault Executive Module, and the information that the reception fault detection module is sent here also sends on the fault transmission channel, or receives fault message and send to the fault Executive Module from the fault transmission channel; The fault transmission channel, connect the fault input/output interface, be connected with the fault input/output interface, it is the fault channel transmitted, be the Bearer Channel of fault information, be an abstract logical channel herein, and there is various ways the physical channel that corresponds to concrete example, can be the management frames channel or the outer independently monitor channel of other bands of overhead channel in the group signals or Generic Framing Procedure (Generic Framing Procedure is hereinafter to be referred as GFP); Service convergence/separate and converge the unit, connect tributary port, the reconciliation of converging that is used for the multichannel data business is converged, receive the signal of a plurality of tributary ports, these signals are carried out outputing to group road port after multiplexing, receive group signals from group's road port simultaneously, carry out exporting to a plurality of tributary ports behind the demultiplexing; Group's road port, connection service convergence/separate and converge unit and fault detection module, be used for reception, conversion and the output of signal, receive service convergence/the separate signal that converges the unit, carry out outputing to group path channels after the electric light conversion, receive the signal that group path channels is sent here simultaneously, carry out giving after the opto-electronic conversion service convergence/separate and converge the unit; Group path channels connects group's road port, is the Bearer Channel of group signals, is the main channel of professional transmission, and its form can be various, such as being STM-16, STM-64, OTU1, OTU2 or other signals.
Above-mentioned fault transmission channel can merge with above-mentioned group path channels, adopts the overhead byte K2 transmission fault information of group road synchronous transfer mode, and at this moment, the fault input/output interface is replaced by synchronous transfer mode overhead processing unit.Above-mentioned fault transmission channel also can adopt exterior light monitor channel (OpticalSupervision Channel is hereinafter to be referred as OSC).Between above-mentioned inner tributary port the fault transmission channel is set.The above-mentioned fault transmission channel that is arranged between inner tributary port adopts the auto-negotiation information of GbE to transmit fault.
The present invention also provides the fault handling method in a kind of transmission equipment, it is characterized in that at first providing a kind of system that handles the fault in the transmission equipment, the method of the troubleshooting of said system is provided then, comprises that fault produces processing method and fault recovery processing method.
The process that above-mentioned fault produces processing method is as follows: above-mentioned fault detection module and above-mentioned fault input/output interface detect to received signal, judged whether fault message, if fault message is arranged, then above-mentioned fault message is sent to above-mentioned fault Executive Module, above-mentioned fault Executive Module is controlled outside tributary port and is closed, fault message is transmitted downstream by inner tributary port, simultaneously, above-mentioned fault detection module is sent to above-mentioned fault input/output interface with fault message, and by the fault transmission channel fault message is transferred to another node.
The process of above-mentioned fault recovery processing method is as follows: above-mentioned fault detection module and above-mentioned fault input/output interface detect to received signal, judged whether fault disappearance information, if fault disappearance information is arranged, then above-mentioned fault disappearance information is sent to above-mentioned fault Executive Module, above-mentioned fault Executive Module is controlled outside tributary port and is closed, fault message is transmitted downstream by inner tributary port, simultaneously, above-mentioned fault detection module is sent to above-mentioned fault input/output interface with fault disappearance information, and by the fault transmission channel with above-mentioned fault disappearance message transmission to another node.
Specifically, above-mentioned fault generation processing method may further comprise the steps at least:
The first step, above-mentioned fault detection module detects the group signals of group's road port, judges whether above-mentioned group signals has alarm failures such as LOS, LOF, MS_AIS, if having, then continues, if do not have, changes for the 4th step;
Second step, above-mentioned fault Executive Module receives the fault message of fault detection module, and all outside tributary ports of this node are closed, thereby makes the fault that customer equipment can this link of perception, if tributary port is inner tributary port, then above-mentioned fault message continues to transmit downstream;
In the 3rd step, above-mentioned fault detection module outputs to above-mentioned fault input/output interface with this fault message, and gives another node by above-mentioned fault transmission channel with above-mentioned fault message reverse transfer, goes back to the first step;
The 4th step, if above-mentioned fault input/output interface receives the fault message that above-mentioned fault transmission channel transmits, and this information exported to above-mentioned fault Executive Module, carry out second step and the first step successively, if above-mentioned fault input/output interface does not receive the fault message of above-mentioned fault transmission channel, then continue;
In the 5th step, above-mentioned fault detection module detects tributary port, judges whether tributary port has the LOS fault, if having, then continues, if do not have, forwards for the 7th step to;
The 6th step, above-mentioned fault Executive Module receives the fault message of above-mentioned fault detection module, and judge the attribute of above-mentioned tributary port, be outside tributary port or inner tributary port, if outside tributary port is then closed above-mentioned tributary port, forwarded for the 3rd step to, if inner tributary port then continues above-mentioned fault message to transmit downstream, forwarded for the 3rd step to;
In the 7th step, above-mentioned fault detection module detects above-mentioned tributary port, judges whether above-mentioned tributary port has LINK FAIL fault, if having, then continues, if do not have, forwards the first step to;
In the 8th step, above-mentioned fault Executive Module receives the fault message of above-mentioned fault detection module, and judges the attribute of above-mentioned tributary port, if outside tributary port then forwarded for the 3rd step to, if inner tributary port, then above-mentioned fault message is continued to transmit downstream, forwarded for the 3rd step to.
Above-mentioned fault recovery processing method may further comprise the steps at least:
The first step, above-mentioned fault detection module detects the signal of above-mentioned group's road port, judges whether above-mentioned group signals fault disappears, if, then continue, if not, then forwarded for the 4th step to;
Second step, above-mentioned fault Executive Module receives the information of above-mentioned fault detection module, and all outside tributary ports of this node are opened, thereby make the disappearance that customer equipment can this link failure of perception, if tributary port is inner tributary port, then above-mentioned fault disappearance information is continued to transmit downstream;
In the 3rd step, above-mentioned fault detection module outputs to above-mentioned fault input/output interface with above-mentioned fault disappearance information, and gives another node by above-mentioned fault transmission channel with above-mentioned fault disappearance information reverse transfer, forwards the first step to;
The 4th step, if above-mentioned fault input/output interface receives the fault disappearance information of above-mentioned fault transmission channel, and this information exported to above-mentioned fault Executive Module, carry out second step and the first step successively, if above-mentioned fault input/output interface does not receive the fault disappearance information of above-mentioned fault transmission channel, then continue;
In the 5th step, above-mentioned fault detection module detects above-mentioned tributary port, judges whether above-mentioned LOS fault disappears, if having, then continues, if do not have, forwards for the 7th step to;
The 6th step, above-mentioned fault Executive Module receives the information of above-mentioned fault detection module, and judge above-mentioned tributary port attribute, be outside port or internal port, if outside tributary port is then opened above-mentioned tributary port, forwarded for the 3rd step to, if inner tributary port then continues above-mentioned fault disappearance information to transmit downstream, forwarded for the 3rd step to;
In the 7th step, above-mentioned fault detection module detects above-mentioned tributary port, judges whether above-mentioned tributary port LINK FAIL fault disappears, if having, then continues, if do not have, forwards the first step to;
In the 8th step, above-mentioned fault Executive Module receives the information that above-mentioned fault detection module is sent here, and judges the attribute of above-mentioned tributary port, if outside tributary port forwarded for the 3rd step to, if inner tributary interface, fault disappearance information is continued to transmit downstream, forwarded for the 3rd step to.
Fault processing system and method in a kind of transmission equipment provided by the invention; can utilize a special information channel; it is the connection status that the fault transmission channel transmits the GbE physical layer; the link connection state information that this system and method not only can insert GbE signal passes to the two ends router fast; and the link connection state information of Optical Transmission Network OTN can be passed to couple in router, thereby realized the quick protection convergence of data service.
Description of drawings
Fig. 1 is the fault processing system schematic diagram in a kind of transmission equipment of a preferred embodiment of the present invention.
Fig. 2 is that the fault of a preferred embodiment of the present invention produces process chart.
Fig. 3 is the fault recovery process chart of a preferred embodiment of the present invention.
Fig. 4 is the schematic diagram of the outside tributary port LOS fault delivery process of a preferred embodiment of the present invention.
Fig. 5 is the schematic diagram of the outside tributary port LINK FAIL fault delivery process of a preferred embodiment of the present invention.
Fig. 6 is the schematic diagram of the group road outage transmittance process of a preferred embodiment of the present invention.
Fig. 7 is the schematic diagram that the inside tributary port of a preferred embodiment of the present invention connects the outage transmittance process.
Fig. 8 is the schematic diagram that the fault transmission channel of a preferred embodiment of the present invention adopts the overhead byte of STM-16 to transmit.
Fig. 9 is the schematic diagram that the fault transmission channel of a preferred embodiment of the present invention adopts OSC.
Figure 10 A is the transmittance process flow chart of the inside tributary port fault of a preferred embodiment of the present invention.
Figure 10 B is the testing process flow chart of the inside tributary port fault of a preferred embodiment of the present invention.
Embodiment
The system of a preferred embodiment of the present invention as shown in Figure 1, a path channels 100 of node 11 connects with customer equipment 110, tributary port 101 connects with a path channels 100, prop up path channels 100, customer equipment 110 and tributary port 101 can be one or more, fault detection module 102 is with tributary port 101, fault Executive Module 103, fault input/output interface 104 is connected with group's road port 107, be used for detection failure, fault Executive Module 103 is used to receive the signal that fault detection module 102 and fault input/output interface 104 are received, comprise fault message, adopt different operations according to concrete failure code, the switch or the startup of control tributary port 101 are consulted.Fault input/output interface 104, connect fault detection module 102 and fault Executive Module 103, the information that reception fault detection module 102 is sent here also sends on the fault transmission channel 105, or receives fault messages and send to fault Executive Module 103 from fault transmission channel 105; Fault transmission channel 105, connect fault input/output interface 104, be connected with fault input/output interface 104, it is the fault channel transmitted, it is the Bearer Channel of fault information, be an abstract logical channel, there is various ways the physical channel that corresponds to concrete example herein, can be management frames channel or the outer independently monitor channel of other bands of overhead channel in the group signals or GFP; Service convergence/separate and converge unit 106, connect tributary port 101, the reconciliation of converging that is used for the multichannel data business is converged, receive the signal of a plurality of tributary ports 101, these signals are carried out outputing to group road port 107 after multiplexing, receive group signals from group's road port 107 simultaneously, carry out exporting to behind the demultiplexing, a plurality of tributary port 101; Group's road port 107, connection service convergence/separate and converge unit 106 and fault detection module 102, be used for reception, conversion and the output of signal, receive service convergence/the separate signal that converges unit 106, carry out outputing to group path channels 108 after the electric light conversion, receive the signal that group path channels 108 is sent here simultaneously, carry out giving after the opto-electronic conversion service convergence/separate and converge unit 106; Group path channels 108 connects group's road port 107, is the Bearer Channel of group signals, is the main channel of professional transmission, and its form can be various, such as being STM-16, STM-64, OTU1, OTU2 or other signals.
The fault of a preferred embodiment of the present invention produces process chart as shown in Figure 2, and it may further comprise the steps at least:
Step 201, the group signals of 102 pairs of group's road ports 107 of fault detection module detects, and judges whether group signals has alarm failures such as LOS, LOF, MS_AIS, if having, changes step 202, if do not have, changes step 204;
Step 202, fault Executive Module 103 receives the fault message of fault detection module 102, and all outside tributary ports of this node are closed, thereby make the fault that customer equipment 110 can this link of perception, if tributary port 101 is inner tributary port, then fault message changes step 203 by inner tributary port transmission;
Step 203 sends to fault input/output interface 104 with this fault message, and gives another node by fault transmission channel 105 with the fault message reverse transfer, goes back to step 201;
Step 204, whether failure judgement input/output interface 104 receives the fault message that fault transmission channel 105 transmits, and this information is exported to fault Executive Module 103, if having, the step 205 of making a detour if do not have, is changeed step 208;
Step 205, fault Executive Module 103 receives the fault message of fault detection module 102, and all outside tributary ports of this node are closed, thereby make the fault that customer equipment 110 can this link of perception, if tributary port 101 is inner tributary port, then fault message changes step 201 by inner tributary port transmission;
Step 206, fault Executive Module 103 receives the fault message of fault detection module 102, and judges the attribute of tributary port 101, be outside tributary port or inner tributary port, if outside tributary port then carry out step 207, if inner tributary port then carry out step 211;
Step 207 is closed tributary port and is sent laser, forwards step 203 to;
Step 208,102 pairs of tributary ports 101 of fault detection module detect, and judge whether tributary port 101 has the LOS fault, if having, change step 206, if do not have, change step 209;
Step 209,102 pairs of tributary ports 101 of fault detection module detect, and judge whether tributary port 101 has LINK FAIL fault, if having, change step 210, if do not have, change step 201;
Step 210, fault Executive Module 103 receives the fault message of fault detection module 102, and judges the attribute of tributary port 101, if outside tributary port then changes step 203, if inner tributary port changes step 211.
Step 211 is transmitted fault message by inner tributary port, forwards step 203 to.
The fault recovery process chart of a preferred embodiment of the present invention as shown in Figure 3, it may further comprise the steps at least:
Step 308,102 pairs of tributary ports 101 of fault detection module detect, and judge whether the LOS fault disappears, if having, change step 306, if do not have, change step 309;
Step 309,102 pairs of tributary ports 101 of fault detection module detect, and judge whether the LINK FAIL fault of tributary port 101 disappears, if having, change step 310, if do not have, change step 301;
The outside tributary port LOS fault delivery process of a preferred embodiment of the present invention as shown in Figure 4, the input light interruption of propping up path channels 100 when node 11, when the LOS fault takes place in outside tributary port 1011, after fault detection module 102 detects this fault, above-mentioned fault detection module 102 sends to fault Executive Module 103 with this fault message, above-mentioned fault Executive Module 103 sends instruction, close tributary port and send laser, make the customer equipment 110 that props up the path channels connection of node 11 perceive this fault, simultaneously, above-mentioned fault detection module 102 is given fault input/output interface 104 with this fault message, further this fault message is delivered to node 12 by fault transmission channel 105, after the fault input/output interface 604 of node 12 is received this information, this information is given the fault Executive Module 603 of node 12, fault Executive Module 603 sends instruction, closes corresponding tributary port and sends laser, makes the customer equipment 610 that is connected with this path channels 600 perceive this fault.When fault recovery, the handling process when its handling process produces with fault is similar.When said external tributary port LOS fault disappears, after above-mentioned fault detection module 102 detects this fault disappearance information, above-mentioned fault detection module 102 sends to fault Executive Module 103 with this fault disappearance information, above-mentioned fault Executive Module 103 sends instruction, open tributary port and send laser, make the customer equipment 110 that props up the path channels connection of node 11 perceive this fault disappearance information, simultaneously, above-mentioned fault detection module 102 is given fault input/output interface 104 with this fault disappearance information, further this fault disappearance information is delivered to node 12 by fault transmission channel 105, after the fault input/output interface 604 of node 12 is received this fault disappearance information, give node 12 fault Executive Modules 603 this information, fault Executive Module 603 sends instruction, open corresponding tributary port and send laser, make the customer equipment 610 that is connected with this path channels 600 perceive this fault disappearance information.
The outside tributary port LINK FAIL fault delivery process of a preferred embodiment of the present invention as shown in Figure 5, this process is similar with process shown in Figure 4, the output light interruption of propping up path channels 100 when node 11, when LINK FAIL fault takes place in outside tributary port 1011, after fault detection module 102 detects this fault, above-mentioned fault detection module 102 sends to fault Executive Module 103 with this fault message, above-mentioned fault Executive Module 103 sends instruction, close tributary port and send laser, make the customer equipment 110 that props up the path channels connection of node 11 perceive this fault, simultaneously, above-mentioned fault detection module 102 is given fault input/output interface 104 with this fault message, further this fault message is delivered to node 12 by fault transmission channel 105, after the fault input/output interface 604 of node 12 is received this information, this information is given the fault Executive Module 603 of node 12, fault Executive Module 603 sends instruction, close corresponding tributary port and send laser, make the customer equipment 610 that is connected with this path channels 600 perceive this fault.When fault recovery, the handling process when its handling process produces with fault is similar.When said external tributary port LINK FAIL fault disappears, after above-mentioned fault detection module 102 detects this fault disappearance information, above-mentioned fault detection module 102 sends to fault Executive Module 103 with this fault disappearance information, above-mentioned fault Executive Module 103 sends instruction, open tributary port and send laser, make the customer equipment 110 that props up the path channels connection of node 11 perceive this fault disappearance information, simultaneously, above-mentioned fault detection module 102 is given fault input/output interface 104 with this fault disappearance information, further this fault disappearance information is delivered to node 12 by fault transmission channel 105, after the fault input/output interface 604 of node 12 is received this fault disappearance information, this information is given the fault Executive Module 603 of node 12, fault Executive Module 603 sends instruction, open corresponding tributary port and send laser, make the customer equipment 610 that is connected with this path channels 600 perceive this fault disappearance information.
The group road outage transmittance process of a preferred embodiment of the present invention as shown in Figure 6, at this moment, span line between node 11 and the node 12 interrupts, LINE LOS fault appears, node 11 can't be to node 12 message transfers, at this moment, fault message is at first learnt by node 12, fault detection module 602 by node 12 is transferred to fault Executive Module 603, above-mentioned fault Executive Module 603 sends instruction, close tributary port and send laser, make the outside tributary port 6011 of this node close, thereby make the fault that customer equipment 610 can this link of perception, simultaneously, above-mentioned fault detection module 602 is given fault input/output interface 604 with this fault message, further this fault message is delivered to node 11 by fault transmission channel 105, after the fault input/output interface 104 of node 11 is received this information, this information is given the fault Executive Module 103 of node 11, fault Executive Module 103 sends instruction, close corresponding tributary port and send laser, make the customer equipment 110 that is connected with this path channels 1011 perceive this fault.Handling process when above-mentioned group road outage recovery process produces with fault is similar.At this moment, fault disappearance information is at first learnt by node 12, fault detection module 602 by node 12 is transferred to fault Executive Module 603, above-mentioned fault Executive Module 603 sends instruction, open tributary port and send laser, make the outside tributary port 6011 of this node open, thereby make the fault disappearance information that customer equipment 610 can this link of perception, simultaneously, above-mentioned fault detection module 602 is given fault input/output interface 604 with this fault disappearance information, further this fault disappearance information is delivered to node 11 by fault transmission channel 605, after the fault input/output interface 104 of node 11 is received this information, this information is given the fault Executive Module 103 of node 11, fault Executive Module 103 sends instruction, open corresponding tributary port and send laser, make the customer equipment 110 that is connected with this path channels 1011 perceive this fault disappearance information.
The inside tributary port of a preferred embodiment of the present invention connects the outage transmittance process as shown in Figure 7, at this moment, the inside tributary port of node 12 interrupts to the transmission of the inside of node 13 tributary port, when the LOS fault occurring, when just the cascade port interrupts, after the fault detection module of node 13 detects this fault, this fault message is given the fault input/output interface of node 13, and this fault message is delivered to node 14 by the fault transmission channel of node 13 and node 14, after the fault input/output interface of node 14 is received this information, this information is given the fault Executive Module of node 14, the fault Executive Module of node 14 sends instruction, close corresponding tributary port and send laser, make the customer equipment that is connected with this path channels perceive this fault; Simultaneously, the fault detection module 102 of node 13 is delivered to node 12 by node 13 to the inside tributary port of node 12 pass-along messages with this fault message, after the fault detection module 602 of node 12 detects this fault, give fault input/output interface 604 with this fault message, and this fault message is delivered to node 11 by fault transmission channel 105, after the fault input/output interface 104 of node 11 is received this information, this information is given the fault Executive Module 103 of node 11, this fault Executive Module 103 sends instruction, close corresponding tributary port and send laser, make the customer equipment 110 that is connected with this path channels 101 perceive this fault.
When fault recovery, the handling process when its handling process produces with fault is similar.When said external tributary port LOS fault disappears, after the fault detection module of node 13 detects this fault disappearance information, this fault disappearance information is given the fault input/output interface of node 13, and this fault disappearance information is delivered to node 14 by the fault transmission channel between node 13 and the node 14, after the fault input/output interface 104 of node 14 is received this fault disappearance information, this fault disappearance information is given the fault Executive Module 103 of node 14, the fault Executive Module 103 of node 14 sends instruction, open corresponding tributary port and send laser, make the customer equipment that is connected with this path channels perceive this fault disappearance information; Simultaneously, the fault detection module of node 13 is delivered to node 12 with this fault disappearance information by inner tributary port, after the fault detection module 602 of node 12 detects this fault disappearance information, give fault input/output interface 604 with this fault disappearance information, and this fault disappearance information is delivered to node 11 by fault transmission channel 105, after the fault input/output interface 104 of node 11 is received this fault disappearance information, this fault disappearance information is given the fault Executive Module 103 of node 11, this fault Executive Module 103 sends instruction, open corresponding tributary port and send laser, make the customer equipment 110 that is connected with this path channels perceive this fault disappearance information.
The system of the fault transmission channel of the overhead byte K2 of the employing STM-16 of a preferred embodiment of the present invention as shown in Figure 8.At this moment, fault transmission channel 105 merges with group path channels 108, adopts the overhead byte K2 transmission fault information of group road STM-16, and simultaneously, fault input/output interface 104 is replaced by synchronous transfer mode overhead processing unit 109.
Employing exterior light monitor channel (the Optical SupervisionChannel of a preferred embodiment of the present invention, hereinafter to be referred as OSC) as the system of fault transmission channel as shown in Figure 9, above-mentioned fault transmission channel 105 is separate with group road service signal, adopts the outer OSC of band to come transmission fault information.
The conveying flow figure of the inside tributary port fault of a preferred embodiment of the present invention is shown in Figure 10 A, and at this moment, the fault transmission channel between inner tributary port adopts the auto-negotiation information of GbE in the IEEE802.3-2002 standard to transmit fault.Above-mentioned fault delivery process comprises the steps: at least
Step 401, when inner tributary port produced fault message or fault disappearance information, this information input fault detection module 102 changeed step 402,
Step 402, above-mentioned fault detection module 102 judges that above-mentioned information is fault information or fault recovery information, if fault message then changes step 403, if fault recovery information is changeed step 404,
Step 403 is provided with and consults bulletin register (An advertisement register), and far-end fault (Remote Fault is hereinafter to be referred as RF) value: RF1=1 changes step 405,
Step 404 is provided with and consults the bulletin register, and RF1=0 changes step 405,
Step 405 starts and consults.
The testing process figure of the inside tributary port fault of a preferred embodiment of the present invention is shown in Figure 10 B, and it comprises the steps: at least
Step 502 is input to fault detection module 102 with above-mentioned fault message,
Step 503 is input to fault detection module 102 with above-mentioned fault recovery information.
Certainly; the present invention also can have other embodiment; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of claim of the present invention.
Claims (12)
1. the fault processing system in the transmission equipment comprises at least
Prop up path channels, be used to connect customer equipment;
Tributary port, connect a path channels, be used to finish reception, conversion and the transmission of client's business, above-mentioned tributary port comprises outside tributary port and inner tributary port, the said external tributary port connects customer equipment, and above-mentioned inner tributary port and other inner tributary port are connected to each other;
Fault detection module, connect tributary port, be used to detect client's business, specifically comprise: judged whether fault message or fault disappearance information to received signal, if have, then above-mentioned fault message or fault disappearance information are sent to the fault Executive Module, simultaneously, above-mentioned fault message or fault disappearance information are sent to the fault input/output interface;
The fault Executive Module, connect fault detection module, tributary port, take operation according to fault message, and the switch of control tributary port or startup negotiation, specifically comprise: the outside tributary port of control is closed after receiving the fault message that fault detection module or fault input/output interface send here, receive the fault disappearance information that fault detection module or fault input/output interface send here after the outside tributary port of control open;
The fault input/output interface, connect fault detection module and fault Executive Module, be used for receiving and sending fault message, the information that the reception fault detection module is sent here also sends on the fault transmission channel, or receives fault message and send to the fault Executive Module from the fault transmission channel;
The fault transmission channel connects the fault input/output interface of different transmission equipment nodes, is used for transmission fault information;
Service convergence/separate and converge the unit connects tributary port, and the reconciliation of converging that is used for the multichannel data business is converged;
Group's road port, connection service convergence/separate and converge unit and fault detection module is used for reception, conversion and the output of signal;
Group path channels connects group's road port, is used to transmit group signals.
2. system according to claim 1, it is characterized in that above-mentioned fault transmission channel and above-mentioned group path channels merge, adopt the overhead byte K2 transmission fault information of group road synchronous transfer mode, above-mentioned fault input/output interface is replaced by synchronous transfer mode overhead processing unit.
3. system according to claim 1 is characterized in that above-mentioned fault transmission channel adopts the exterior light monitor channel.
4. according to claim 2 or 3 described systems, it is characterized in that between above-mentioned inner tributary port the fault transmission channel being set.
5. system according to claim 4 is characterized in that the above-mentioned fault transmission channel that is arranged between inner tributary port adopts the auto-negotiation information of gigabit Ethernet to transmit fault.
6. the fault handling method in the transmission equipment is characterized in that
Fault processing system in a kind of transmission equipment is provided, and it comprises a path channels at least, is used to connect customer equipment; Tributary port, connect a path channels, be used to finish reception, conversion and the transmission of client's business, above-mentioned tributary port comprises outside tributary port and inner tributary port, the said external tributary port connects customer equipment, and above-mentioned inner tributary port and other inner tributary port are connected to each other; Fault detection module connects tributary port, is used to detect client's business; The fault Executive Module connects fault detection module, tributary port, takes operation according to fault message, and the switch of control tributary port or startup negotiation; The fault input/output interface connects fault detection module and fault Executive Module, is used for receiving and sending fault message; The fault transmission channel connects the fault input/output interface, is used for transmission fault information; Service convergence/separate and converge the unit connects tributary port, and the reconciliation of converging that is used for the multichannel data business is converged; Group's road port, connection service convergence/separate and converge unit and fault detection module is used for reception, conversion and the output of signal; Group path channels connects group's road port, is used to transmit group signals;
Above-mentioned fault handling method comprises that fault produces processing method and fault recovery processing method;
Above-mentioned fault produces processing method and may further comprise the steps at least: above-mentioned fault detection module has judged whether fault message to received signal, if fault message is arranged, then above-mentioned fault message is sent to above-mentioned fault Executive Module, above-mentioned fault Executive Module is controlled outside tributary port and is closed, fault message is transmitted to next transmission equipment node by inner tributary port, simultaneously, above-mentioned fault detection module is sent to above-mentioned fault input/output interface with fault message, and by the fault transmission channel fault message is transferred to next transmission equipment node;
Above-mentioned fault recovery processing method may further comprise the steps at least: above-mentioned fault detection module has judged whether fault disappearance information to received signal, if fault disappearance information is arranged, then above-mentioned fault disappearance information is sent to above-mentioned fault Executive Module, above-mentioned fault Executive Module is controlled outside tributary port and is opened, but, fault detection module disappears if detecting the fault of group signals, the fault Executive Module is opened all outside tributary ports of this transmission equipment node, fault message is transmitted to next transmission equipment node by inner tributary port, simultaneously, above-mentioned fault detection module is sent to above-mentioned fault input/output interface with fault disappearance information, and by the fault transmission channel with above-mentioned fault disappearance message transmission to next transmission equipment node;
Wherein, described fault transmission channel connects the fault input/output interface of different transmission equipment nodes.
7. method according to claim 6 is characterized in that above-mentioned fault produces processing method and may further comprise the steps at least:
The first step, above-mentioned fault detection module detects the group signals of above-mentioned group's road port, judges whether above-mentioned group signals has alarm failure, if having, then continues, if do not have, forwards for the 4th step to;
Second step, above-mentioned fault Executive Module receives the fault message of above-mentioned fault detection module, and all outside tributary ports of this transmission equipment node are closed, make the fault that external client's equipment can this link of perception, if tributary port is inner tributary port, then above-mentioned fault message continues to pass to the inside tributary port that links with it;
In the 3rd step, above-mentioned fault detection module outputs to above-mentioned fault input/output interface with above-mentioned fault message, and gives another transmission equipment node by above-mentioned fault transmission channel with above-mentioned fault message reverse transfer, forwards the first step to;
The 4th step, if above-mentioned fault input/output interface receives the fault message that above-mentioned fault transmission channel transmits, and this information exported to above-mentioned fault Executive Module, carry out second step and the first step successively, if above-mentioned fault input/output interface does not receive the fault message of above-mentioned fault transmission channel, then continue;
In the 5th step, above-mentioned fault detection module detects tributary port, judges whether tributary port has the blackout fault, if having, then continues, if do not have, forwards for the 7th step to;
The 6th step, above-mentioned fault Executive Module receives the fault message of above-mentioned fault detection module, and judge the attribute of above-mentioned tributary port, if outside tributary port, then close above-mentioned tributary port, forwarded for the 3rd step to, if inner tributary port, then above-mentioned fault message is continued to transmit, forwarded for the 3rd step to;
In the 7th step, above-mentioned fault detection module detects above-mentioned tributary port, judges whether above-mentioned tributary port has link failure fault, if having, then continues, if do not have, forwards the first step to;
In the 8th step, above-mentioned fault Executive Module receives the fault message of above-mentioned fault detection module, and judges the attribute of above-mentioned tributary port, if outside tributary port then forwarded for the 3rd step to, if inner tributary port, then above-mentioned fault message is continued to transmit, forwarded for the 3rd step to.
8. method according to claim 6 is characterized in that above-mentioned fault recovery processing method may further comprise the steps at least:
The first step, above-mentioned fault detection module detects the signal of above-mentioned group's road port, judges whether above-mentioned group signals fault disappears, if, then continue, if not, then forwarded for the 4th step to;
Second step, above-mentioned fault Executive Module receives the information of above-mentioned fault detection module, and all outside tributary ports of this transmission equipment node are opened, make the disappearance that external client's equipment can this link failure of perception, if tributary port is inner tributary port, then above-mentioned fault disappearance information is continued to pass to the inside tributary port that links with it;
In the 3rd step, above-mentioned fault detection module outputs to above-mentioned fault input/output interface with above-mentioned fault disappearance information, and gives another transmission equipment node by above-mentioned fault transmission channel with above-mentioned fault disappearance information reverse transfer, forwards the first step to;
The 4th step, if above-mentioned fault input/output interface receives the fault disappearance information of above-mentioned fault transmission channel, and this information exported to above-mentioned fault Executive Module, carry out second step and the first step successively, if above-mentioned fault input/output interface does not receive the fault disappearance information of above-mentioned fault transmission channel, then continue;
In the 5th step, above-mentioned fault detection module detects above-mentioned tributary port, judges whether above-mentioned dropout fault disappears, if having, then continues, if do not have, forwards for the 7th step to;
The 6th step, above-mentioned fault Executive Module receives the information of above-mentioned fault detection module, and judge above-mentioned tributary port attribute, if outside tributary port, then open above-mentioned tributary port, forwarded for the 3rd step to, if inner tributary port, then above-mentioned fault disappearance information is continued to transmit, forwarded for the 3rd step to;
In the 7th step, above-mentioned fault detection module detects above-mentioned tributary port, judges whether the link failure fault of above-mentioned tributary port disappears, if having, then continues, if do not have, forwards the first step to;
In the 8th step, above-mentioned fault Executive Module receives the information that above-mentioned fault detection module is sent here, and judges the attribute of above-mentioned tributary port, if outside tributary port forwarded for the 3rd step to, if inner tributary port, fault disappearance information is continued to transmit, forwarded for the 3rd step to.
9. according to claim 7 or 8 described methods, it is characterized in that above-mentioned fault transmission channel and above-mentioned group path channels merge, adopt the overhead byte K2 transmission fault information of group road synchronous transfer mode, above-mentioned fault input/output interface is replaced by synchronous transfer mode overhead processing unit.
10. according to claim 7 or 8 described methods, it is characterized in that above-mentioned fault transmission channel adopts the exterior light monitor channel.
11., it is characterized in that between above-mentioned inner tributary port the fault transmission channel being set according to claim 7 or 8 described methods.
12. method according to claim 11 is characterized in that the above-mentioned fault transmission channel that is arranged between inner tributary port adopts the auto-negotiation information of gigabit Ethernet to transmit fault message and fault disappearance information.
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| CN101207521A (en) * | 2007-12-12 | 2008-06-25 | 华为技术有限公司 | Method for fault detection and convergence of Ethernet and node apparatus |
| CN101540932B (en) * | 2008-03-21 | 2011-01-26 | 大唐移动通信设备有限公司 | Method and device for fault location of multi-channel device |
| CN101610128B (en) * | 2008-06-20 | 2013-03-27 | 中兴通讯股份有限公司 | Method for realizing fast route convergence by optical transport network (OTN) overheads |
| CN101505270B (en) * | 2009-03-24 | 2012-04-11 | 神州数码网络(北京)有限公司 | Method for aggregated link rapid convergence of distributed switch |
| CN102282805B (en) * | 2011-05-26 | 2014-04-02 | 华为技术有限公司 | Method for service protection and access device |
| CN103746738B (en) * | 2014-01-10 | 2016-06-22 | 烽火通信科技股份有限公司 | Gfp frame transmits the method realizing two-way disconnected business |
| CN112054840A (en) * | 2019-06-06 | 2020-12-08 | 中国移动通信有限公司研究院 | Connection information sending method, receiving method, optical module and central processing equipment |
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