CN105281931B - Bit error detection method, the apparatus and system of POTN - Google Patents
Bit error detection method, the apparatus and system of POTN Download PDFInfo
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- CN105281931B CN105281931B CN201410272784.3A CN201410272784A CN105281931B CN 105281931 B CN105281931 B CN 105281931B CN 201410272784 A CN201410272784 A CN 201410272784A CN 105281931 B CN105281931 B CN 105281931B
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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
- H04L41/34—Signalling channels for network management communication
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Abstract
The invention discloses the bit error detection methods of POTN a kind of, apparatus and system, wherein this method comprises: to judge whether there is error code out-of-limit for the intermediate node of POTN network, wherein above-mentioned intermediate node and another intermediate node pass through OTN link connection；Above-mentioned intermediate node sends warning message to the impacted corresponding downstream node of business according to judging result.Through the invention, solve the problems, such as that the error detection precision of POTN network in the related technology is lower, can be realized the higher precision in POTN network performance degradation and more reliable pretection switch, promoted PTN business reliability.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of grouping optical transfer network (Package Optical
Transport Network, referred to as POTN) bit error detection method, apparatus and system.
Background technique
At present in telecom operators' transmission network using Packet Transport Network (Package Transport Network, referred to as
PTN) networking of Over optical transfer network (Optical Transport Network, referred to as OTN) is relatively conventional, and wherein PTN is used
In service access, business end to end and protection are provided, OTN mainly provides large capacity and long distance transmission.With telecom operation
The raising that quotient requires network reliability needs also to be able to achieve service protection when there is link performance deterioration in network, due to
Protection is completed by PTN end to end, and performance deterioration (Signal Degraded, referred to as SD) protection at this time is set by PTN
It is standby to realize.It can only be a kind of localised protection although OTN also can provide SD protection, and PTN is superimposed with OTN protection in network
Network protection structure is complicated Deng other problems can be brought, will not generally be disposed in a network.
PTN is the network based on packet switch, and SD protection is that performance degradation is judged based on packet loss detection, is lost
Packet detection can operation management based on PTN and maintenance (Operations, Administration and Maintenance,
Referred to as OAM) mechanism (as G.8113.1/G.8113.2) or Ethernet media access control (Media Access
Control, referred to as MAC) layer FCS: frame check sequence (Frame Check Sequence, referred to as FCS) inspection mechanism.
Because all there is certain relationship in packet loss detection mechanism and service traffics, link packet sending speed, business packet length etc., it is difficult to accomplish high-precision
The packet loss of degree detects, such as in identical service traffics, and business packet length is bigger, then the quantity of giving out a contract for a project of each second is got over
Few, the precision of packet loss detection is lower.The packet loss precision that can be detected usually in the network of PTN is 10-3~10-6Between,
There are larger differences for this network with synchronous digital system (Synchronous Digital Hierarchy, referred to as SDH)/OTN
Away from (in SDH/OTN network, error detection precision can reach 10-9).Therefore, the grouping optical transfer network merged in PTN with OTN
(POTN) in network, current error detection precision is lower.
For the lower problem of the error detection precision of POTN network in the related technology, effective solution is not yet proposed at present
Scheme.
Summary of the invention
For the lower problem of the error detection precision of POTN network in the related technology, the present invention provides a kind of POTN's
Bit error detection method, apparatus and system, at least to solve the above problems.
According to an aspect of the invention, there is provided a kind of bit error detection method of POTN, comprising: the centre of POTN network
It is out-of-limit that node judges whether there is error code, wherein the intermediate node and another intermediate node are connected by optical transfer network OTN link
It connects；The intermediate node sends warning message to the impacted corresponding downstream node of business according to judging result.
Preferably, it includes: that the intermediate node passes through OTN that it is out-of-limit, which to judge whether there is error code, for the intermediate node of POTN network
It is out-of-limit that error detection techniques judge whether there is error code.
Preferably, the intermediate node sends alarm report to the impacted corresponding downstream node of business according to judging result
Text, which includes: the intermediate node, sends Packet Transport Network PTN to the impacted corresponding downstream node of business according to judging result
The operation management of network and maintenance OAM warning message.
Preferably, PTN is sent to the impacted corresponding downstream node of business according to judging result in the intermediate node
After the OAM warning message of network, further includes: the downstream node parses the OAM warning message；The downstream joint
Point determines whether to execute according to parsing result and pretection switch rule to be switched.
Preferably, the intermediate node sends alarm report to the impacted corresponding downstream node of business according to judging result
Text includes: in the case where the judging result is out-of-limit there are error code, and the intermediate node is corresponding to impacted business
Downstream node sends the warning message for notifying alarm to generate；And/or in the feelings that the judging result is the out-of-limit disappearance of error code
Under condition, the intermediate node sends the warning message for notifying alarm to disappear to the impacted corresponding downstream node of business.
Preferably, the intermediate node sends alarm report to the impacted corresponding downstream node of business according to judging result
Text includes: that the intermediate node is got over according to judging result to the impacted corresponding downstream node transmission carrying Far End Bit Error of business
The message of limit instruction FEI, wherein it is for notifying alarm to produce that the out-of-limit instruction of Far End Bit Error, which is used to indicate the warning message,
Raw warning message or the warning message for notifying alarm to disappear.
According to another aspect of the present invention, the device for detecting code error of POTN a kind of is provided, positioned at the centre of POTN network
In node, wherein by optical transfer network OTN link connection, described device includes: to sentence for the intermediate node and another intermediate node
Disconnected module, it is out-of-limit for judging whether there is error code；Sending module, for corresponding to impacted business according to judging result
Downstream node sends warning message.
Preferably, the judgment module includes: judging unit, for being judged whether there is by OTN error detection techniques
Error code is out-of-limit.
Preferably, the sending module includes: the first transmission unit, for according to judging result to impacted business pair
The downstream node answered sends operation management and the maintenance OAM warning message of Packet Transport Network PTN network.
Preferably, the sending module includes: the second transmission unit, for out-of-limit for there are error codes in the judging result
In the case where, the warning message for notifying alarm to generate is sent to the impacted corresponding downstream node of business；And/or In
In the case that the judging result is the out-of-limit disappearance of error code, send to the impacted corresponding downstream node of business for notifying to accuse
The alert warning message to disappear.
Preferably, the sending module includes: third transmission unit, for according to judging result to impacted business pair
The downstream node answered sends the message for carrying the out-of-limit instruction FEI of Far End Bit Error, wherein the out-of-limit instruction of Far End Bit Error is for referring to
Show that the warning message is the warning message for notifying alarm to generate or the warning message for notifying alarm to disappear.
According to another aspect of the present invention, the error detection system of POTN a kind of, the mistake including above-mentioned POTN are additionally provided
Code detection device, further includes downstream node, wherein the downstream node includes: parsing module, for being OAM in warning message
In the case where warning message, the OAM warning message is parsed；Determining module, for being fallen according to parsing result and protection
It changes rule and determines whether that execution is switched.
Through the invention, to judge whether there is error code using the intermediate node of POTN network out-of-limit, wherein above-mentioned middle node
Point passes through OTN link connection with another intermediate node；Above-mentioned intermediate node is corresponding to impacted business according to judging result
Downstream node sends the mode of warning message, solves the problems, such as that the error detection precision of POTN network in the related technology is lower,
Can be realized the higher precision in POTN network performance degradation and more reliable pretection switch, promoted PTN business can
By property.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the bit error detection method of POTN according to an embodiment of the present invention；
Fig. 2 is the structural block diagram of the device for detecting code error of POTN according to an embodiment of the present invention；
Fig. 3 is the structural block diagram of the error detection system of POTN according to an embodiment of the present invention；
Fig. 4 is POTN network protection networking schematic diagram according to the preferred embodiment of the invention；
Fig. 5 is the algorithm flow schematic diagram of POTN network protection according to the preferred embodiment of the invention；
Fig. 6 is that convergence layer according to the preferred embodiment of the invention uses POTN equipment, uses OTN connection between aggregation node
Networking schematic diagram；
Fig. 7 is according to embodiments of the present invention one business and OAM message encapsulation schematic diagram；
Fig. 8 is according to embodiments of the present invention two business and OAM message encapsulation schematic diagram.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
In the present embodiment, the bit error detection method of POTN a kind of is provided, Fig. 1 is POTN according to an embodiment of the present invention
Bit error detection method flow chart, as shown in Figure 1, this method comprises the following steps:
It is out-of-limit that the intermediate node of step S102, POTN network judges whether there is error code, wherein above-mentioned intermediate node and another
One intermediate node passes through OTN link connection；
Step S104, above-mentioned intermediate node send alarm to the impacted corresponding downstream node of business according to judging result
Message.
Through the above steps, it is out-of-limit that the intermediate node of POTN network judges whether there is error code to the present embodiment, and will judge
Result notice gives the impacted corresponding downstream node of business, so that downstream node can whether there is according to intermediate node
The out-of-limit situation of error code combines that error code is out-of-limit and PTN switches the function of processing to take the circumstances into consideration to determine whether to execute pretection switch
Can, it solves the problems, such as that the error detection precision of POTN network in the related technology is lower, can be realized higher in POTN network
The performance degradation of precision and more reliable pretection switch promote the reliability of PTN business.
Preferably, the intermediate node of POTN network can be by OTN error detection techniques to determine whether there are error codes to get over
Limit.
Preferably, above-mentioned intermediate node sends alarm report to the impacted corresponding downstream node of business according to judging result
Wen Shi can send the OAM warning message of PTN network.
Preferably, after above-mentioned intermediate node sends OAM warning message to downstream node, above-mentioned downstream node can be right
Above-mentioned OAM warning message is parsed, and then is determined whether to execute according to parsing result and pretection switch rule and be switched.
As a preferred embodiment, above-mentioned intermediate node is according to judging result to the impacted corresponding downstream of business
The mode that node sends warning message can specifically include: above-mentioned in the case where above-mentioned judging result is out-of-limit there are error code
Intermediate node can send the warning message for notifying alarm to generate to the impacted corresponding downstream node of business；And/or
In the case where the disappearance out-of-limit for error code of above-mentioned judging result, above-mentioned intermediate node can be to the impacted corresponding downstream of business
Node sends the warning message for notifying alarm to disappear.
Preferably, above-mentioned intermediate node sends alarm report to the impacted corresponding downstream node of business according to judging result
Wen Shi, can be carried in the warning message Far End Bit Error it is out-of-limit instruction (Far-End Error Indication, referred to as
FEI message), wherein it is for notifying alarm to generate that the out-of-limit instruction of said distal ends error code, which is used to indicate above-mentioned warning message,
Warning message or for notify alarm disappear warning message.
Corresponding to the above method, the device for detecting code error of POTN a kind of is additionally provided in the present embodiment, is located at POTN net
In the intermediate node of network, wherein above-mentioned intermediate node and another intermediate node by OTN link connection, the device for realizing
Above-described embodiment and preferred embodiment, the descriptions that have already been made will not be repeated.As used below, term " module " can
To realize the combination of the software and/or hardware of predetermined function.Although device described in following embodiment is preferably come with software
It realizes, but the realization of the combination of hardware or software and hardware is also that may and be contemplated.
Fig. 2 is the structural block diagram of the device for detecting code error of POTN according to an embodiment of the present invention, as shown in Fig. 2, the device
Include: judgment module 22 and sending module 24, modules be described in detail below:
Judgment module 22, it is out-of-limit for judging whether there is error code；Sending module 24 is connected with judgment module 22, is used for
Warning message is sent to the impacted corresponding downstream node of business according to the judging result of judgment module 22.
Preferably, above-mentioned judgment module 22 may include: judging unit 222, for being judged by OTN error detection techniques
It is out-of-limit with the presence or absence of error code.
Preferably, above-mentioned sending module 24 may include: the first transmission unit 242, for sentencing according to judgment module 22
Disconnected result sends the OAM warning message of PTN network to the impacted corresponding downstream node of business.
Preferably, above-mentioned sending module 24 can also include: the second transmission unit 244, in judgment module 22
State judging result be there are error code it is out-of-limit in the case where, send to the corresponding downstream node of impacted business for notifying alarm
The warning message of generation；It is corresponding to impacted business and/or in the case where the disappearance out-of-limit for error code of above-mentioned judging result
Downstream node send for notify alarm disappearance warning message.
Preferably, above-mentioned sending module 24 can also include: third transmission unit 246, for according to judgment module 22
Judging result sends the message for carrying the out-of-limit instruction of Far End Bit Error to the impacted corresponding downstream node of business, wherein above-mentioned
It is for notifying to alert the warning message generated or for notifying that the out-of-limit instruction of Far End Bit Error, which is used to indicate above-mentioned warning message,
Alert the warning message to disappear.
In the present embodiment, the error detection system of POTN a kind of is additionally provided, Fig. 3 is according to an embodiment of the present invention
The structural block diagram of the error detection system of POTN, as shown in figure 3, the system includes the error code inspection of above-mentioned POTN as shown in Figure 2
Device 20 is surveyed, further includes downstream node 30, wherein above-mentioned downstream node 30 includes parsing module 32 and determining module 34:
Parsing module 32, for being carried out to above-mentioned OAM warning message in the case where warning message is OAM warning message
Parsing；Determining module 34 is connected with parsing module 32, for true according to parsing result and the pretection switch rule of parsing module 32
Fixed whether execute is switched.
It is illustrated below with reference to preferred embodiment, preferred embodiment below combines above-described embodiment and its preferred implementation
Mode.
In preferred embodiment below, the networking of a kind of PTN and OTN fusion device (commonly referred to as POTN equipment) are proposed
In, performance deteriorates a kind of improved method of (SD) defencive function, mixes in particular to POTN equipment in PTN and OTN
Under networking application mode, error detection precision when SD protection is improved, so that the more accurate a kind of reliable method of SD protection.It should
Method provides pass through mechanism and the protection triggering of a kind of performance deterioration in the networking of PTN and OTN fusion device (POTN equipment)
Mechanism, so that high-precision error detection and pretection switch may be implemented in PTN protection end to end in POTN network.
The method of this preferred embodiment relates generally to three modules:
Error code detection module (function of realizing above-mentioned judgment module 22): the error code detection module of OTN interface, the module
It is realized using the OTN error detection techniques of the relevant technologies, it can be achieved that high-precision error detection；
Error code transfer module (function of realizing above-mentioned sending module 24): the out-of-limit announcement of the error code that OTN interface is detected
Alert the case where generating is the OAM message (i.e. above-mentioned warning message) of PTN network, notice PTN network protection by the module converter
The node executed is acted, OAM message needs herein are extended in original PTN OAN mechanism；
Bit error processing module (function of realizing above-mentioned parsing module 32): PTN network protection act execute node,
The module receives OAM message (the i.e. above-mentioned announcement for the carrying out-of-limit instruction of Far End Bit Error that POTN equipment transmitting on service path comes
Warning message) after, error code instruction is notified into pretection switch processing module as one of pretection switch trigger condition, by pretection switch
Reason module judges whether to be switched；
PTN is switched processing module (function of realizing above-mentioned determining module 34): comprehensive various trigger conditions, judgement are switched
State simultaneously executes corresponding actions, which switches processing module using the PTN device of the relevant technologies and can be realized.
Fig. 4 is POTN network protection networking schematic diagram according to the preferred embodiment of the invention, as shown in figure 4, in POTN net
In network, it is assumed that (other to be connected as OTN connection or Ethernet connection using OTN link connection between intermediate node P1 and P2
, unrelated with being described below), then there are error code detection module and error code transfer module on P1/P2 node, is saved in PE1/PE2
There are bit error processing module and PTN to switch processing module on point.
In conjunction with above-mentioned networking schematic diagram, Fig. 5 is the algorithm flow of POTN network protection according to the preferred embodiment of the invention
Schematic diagram, as shown in figure 5, the process includes the following steps:
Step S502, on P1/P2 node, using OTN error detection techniques, it is out-of-limit to judge whether there is error code, if
It is out-of-limit that there are error codes, enters step S504, otherwise enters step S508；
Step S504 generates the out-of-limit instruction of Far End Bit Error if that there are error codes is out-of-limit for error code detection module judgement, then by accidentally
To the impacted corresponding downstream PE node of business, (downstream node of P1 is PE1, the downstream joint of P2 to code transfer module in detail in this figure
Point sends specific OAM message for PE2) and (is defined herein as carrying the out-of-limit instruction (f of Far End Bit Errorar-end error
indicatioN, referred to as FEI) message, referred to as FEI message, notice alarm generates；
Step S506, PE1/PE2 node bit error processing module is extracted and is parsed FEI message, the production of error code is passed
It is delivered to PTN and switches processing module；
Step S508 sends FEI message by error code transfer module and leads to if error code detection module judges the out-of-limit disappearance of error code
Know that alarm disappears (or indicating that alarm disappears to stop paying out message)；
Step S510, PE1/PE2 node bit error processing module is extracted and is parsed FEI message, the Disappearance Scenarios of error code are passed
It is delivered to PTN and switches processing module；
Step S512, PTN switch processing module and switch result according to pretection switch rule, decision and execution
Using this preferred embodiment error code transmitting and treatment mechanism, in conjunction with the relevant technologies OTN error detection techniques and
PTN switch processing function, it can be achieved that in POTN network the performance degradation of higher precision and more reliable pretection switch, mention
Rise the reliability of PTN business.
It is described below in POTN bearer network, after error code occurs in a certain section of OTN link, according to this preferred embodiment
The specific embodiment of pretection switch.
Fig. 6 is that convergence layer according to the preferred embodiment of the invention uses POTN equipment, uses OTN connection between aggregation node
Networking schematic diagram, as shown in fig. 6, network is generally divided into three access, convergence and core levels in metropolitan area POTN bearer network,
POTN equipment network mainly currently is used in convergence layer or core layer, access layer mainly uses pure PTN device networking, following possible
Evolution is to POTN equipment network.Here POTN equipment is only used with convergence layer, using being said for OTN connection between aggregation node
It is bright.
Embodiment one:
When POTN equipment is realized, light data unit (Optical Channel Data Unit, referred to as ODU) carrying
Multiprotocol label switching-transport architecture (Multi-Protocol Label Switching-Transport Profile, referred to as
For pseudo-wire (Pseudo Wire, referred to as PW) over ODU mode, service label switching path can be used when MPLS-TP)
(Label Switched Path, referred to as LSP) terminates in POTN equipment, and the scheme of embodiment one is as follows at this time:
1) in P1 equipment, it is out-of-limit that error code detection module detects that error code occurs for some ODUk；
2) error code transfer module judges the business PW influenced by the ODUk in P1 equipment, herein include PE1-PE3 business and
PE2-PE3 business, error code transfer module send FEI message using PW OAM encapsulation to PE1 and PE2, and FEI message uses
G.8113.1 the OAM message structure defines new operation code (Operating Code, referred to as OPCode) value to indicate this
Message is FEI message, the out-of-limit instruction of error code (having alarm is 1, no alarm 0) is carried in message, Fig. 7 is to implement according to the present invention
The business and OAM message encapsulation schematic diagram of example one, message encapsulation are as shown in Figure 7；
3) bit error processing module from interface identification extracts FEI message in PE1 and PE2 equipment, analytic message content, judgement
Work has the out-of-limit generation of error code on the path PW, notifies that PTN switches processing module in node；
4) PTN switches processing module decision and needs to implement SD and switches in PE1 and PE2 equipment, and Business Stream is switched to and is being protected
Protect PW transmitting-receiving；
5) terminate.
Embodiment two:
When POTN equipment is realized, LSP over ODU mode can also be used when ODU carrying MPLS-TP, business LSP exist
It is carried on ODUk after the enterprising row label exchange of POTN equipment, the scheme of embodiment two is as follows at this time:
1) in P1 equipment, it is out-of-limit that error code detection module detects that error code occurs for some ODUk；
2) error code transfer module judges the business LSP influenced by the ODUk in P1 equipment, herein include PE1-PE3 business and
PE2-PE3 business, error code transfer module send FEI message using LSP OAM encapsulation to PE1 and PE2, and FEI message uses
G.8113.1 the OAM message structure defines new OPCode value to indicate that this message for FEI message, carries error code in message
Out-of-limit instruction (having alarm is 1, no alarm 0), Fig. 8 are according to embodiments of the present invention two business and OAM message encapsulation signal
Figure, message encapsulation are as shown in Figure 8；
3) bit error processing module from interface identification extracts FEI message in PE1 and PE2 equipment, analytic message content, judgement
Work has the out-of-limit generation of error code on the path LSP, notifies that PTN switches processing module in node；
4) PTN switches processing module decision and needs to implement SD and switches in PE1 and PE2 equipment, and Business Stream is switched to and is being protected
Protect LSP transmitting-receiving；
5) terminate.
From above preferred embodiment as can be seen that the testing mechanism process flow is succinct, strong operability, in POTN equipment
There is stronger practical value in networking application.
In another embodiment, a kind of software is additionally provided, the software is for executing above-described embodiment and preferred reality
Apply technical solution described in example.
In another embodiment, a kind of storage medium is additionally provided, above-mentioned software is stored in the storage medium, it should
Storage medium includes but is not limited to CD, floppy disk, hard disk, scratch pad memory etc..
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of bit error detection method for being grouped optical transfer network POTN characterized by comprising
It is out-of-limit that the intermediate node of POTN network judges whether there is error code, wherein the intermediate node and another intermediate node are logical
Cross optical transfer network OTN link connection, wherein it includes: institute that it is out-of-limit, which to judge whether there is error code, for the intermediate node of the POTN network
Stating intermediate node, by OTN error detection techniques to judge whether there is error code out-of-limit；
The intermediate node sends warning message to the impacted corresponding downstream node of business according to judging result.
2. the method according to claim 1, wherein the intermediate node is according to judging result to impacted industry
Be engaged in corresponding downstream node sends warning message and includes:
The intermediate node sends Packet Transport Network PTN network to the impacted corresponding downstream node of business according to judging result
Operation management and maintenance OAM warning message.
3. according to the method described in claim 2, it is characterized in that, in the intermediate node according to judging result to impacted
The corresponding downstream node of business is sent after the OAM warning message of PTN network, further includes:
The downstream node parses the OAM warning message；
The downstream node determines whether to execute according to parsing result and pretection switch rule to be switched.
4. the method according to claim 1, wherein the intermediate node is according to judging result to impacted industry
Be engaged in corresponding downstream node sends warning message and includes:
In the case where the judging result is out-of-limit there are error code, the intermediate node is to the impacted corresponding downstream of business
Node sends the warning message for notifying alarm to generate；And/or
In the case where the judging result is the out-of-limit disappearance of error code, the intermediate node is to the impacted corresponding downstream of business
Node sends the warning message for notifying alarm to disappear.
5. according to the method described in claim 4, it is characterized in that, the intermediate node is according to judging result to impacted industry
Be engaged in corresponding downstream node sends warning message and includes:
The intermediate node is out-of-limit to the impacted corresponding downstream node transmission carrying Far End Bit Error of business according to judging result
Indicate the message of FEI, wherein it is for notifying alarm to generate that the out-of-limit instruction of Far End Bit Error, which is used to indicate the warning message,
Warning message or for notify alarm disappear warning message.
6. a kind of device for detecting code error for being grouped optical transfer network POTN, in the intermediate node of POTN network, wherein in described
Intermediate node and another intermediate node pass through optical transfer network OTN link connection characterized by comprising
Judgment module, it is out-of-limit for judging whether there is error code, wherein the judgment module includes: judging unit, for passing through
It is out-of-limit that OTN error detection techniques judge whether there is error code；
Sending module, for sending warning message to the impacted corresponding downstream node of business according to judging result.
7. device according to claim 6, which is characterized in that the sending module includes:
First transmission unit, for sending Packet Transport Network to the impacted corresponding downstream node of business according to judging result
The operation management of PTN network and maintenance OAM warning message.
8. device according to claim 6, which is characterized in that the sending module includes:
Second transmission unit, for being corresponded to impacted business in the case where the judging result is out-of-limit there are error code
Downstream node send for notify alarm generation warning message；It and/or in the judging result is error code out-of-limit disappearance
In the case of, the warning message for notifying alarm to disappear is sent to the impacted corresponding downstream node of business.
9. device according to claim 8, which is characterized in that the sending module includes:
Third transmission unit carries Far End Bit Error for sending according to judging result to the impacted corresponding downstream node of business
The message of out-of-limit instruction FEI, wherein it is for notifying alarm that the out-of-limit instruction of Far End Bit Error, which is used to indicate the warning message,
The warning message of generation or for notify alarm disappear warning message.
10. the error detection system of POTN a kind of, which is characterized in that including the POTN as described in any one of claim 6 to 9
Device for detecting code error, further include downstream node, wherein the downstream node includes:
Parsing module, for being parsed to the OAM warning message in the case where warning message is OAM warning message；
Determining module is switched for determining whether to execute according to parsing result and pretection switch rule.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410272784.3A CN105281931B (en) | 2014-06-18 | 2014-06-18 | Bit error detection method, the apparatus and system of POTN |
| PCT/CN2014/087117 WO2015192518A1 (en) | 2014-06-18 | 2014-09-22 | Error detection method, apparatus and system for potn |
| JP2016573757A JP2017518705A (en) | 2014-06-18 | 2014-09-22 | Bit error detection method, apparatus and system for packet optical transmission network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410272784.3A CN105281931B (en) | 2014-06-18 | 2014-06-18 | Bit error detection method, the apparatus and system of POTN |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105281931A CN105281931A (en) | 2016-01-27 |
| CN105281931B true CN105281931B (en) | 2019-11-29 |
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| CN201410272784.3A Active CN105281931B (en) | 2014-06-18 | 2014-06-18 | Bit error detection method, the apparatus and system of POTN |
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| CN107025224B (en) * | 2016-01-29 | 2020-10-16 | 阿里巴巴集团控股有限公司 | Method and equipment for monitoring task operation |
| CN108307254A (en) * | 2017-01-13 | 2018-07-20 | 中兴通讯股份有限公司 | A kind of POTN method for processing business, apparatus and system |
| CN110011819B (en) * | 2018-01-04 | 2022-04-19 | 中兴通讯股份有限公司 | Method, device, equipment and system for generating SD (secure digital) alarm information |
| CN115987754A (en) * | 2018-06-08 | 2023-04-18 | 华为技术有限公司 | Network communication method and device |
| CN111901181B (en) * | 2019-05-05 | 2023-07-28 | 中兴通讯股份有限公司 | Processing method for error rate detection and related equipment |
| CN114938317A (en) | 2019-06-10 | 2022-08-23 | 华为技术有限公司 | Error code notification method and related equipment |
| CN112468311B (en) * | 2019-09-09 | 2023-01-03 | 中国移动通信有限公司研究院 | Protection switching method, node equipment and storage medium |
| CN112468394B (en) * | 2019-09-09 | 2022-09-27 | 中国移动通信有限公司研究院 | Protection switching method, node equipment and storage medium |
| CN112995024A (en) * | 2019-12-02 | 2021-06-18 | 中兴通讯股份有限公司 | Signal degradation warning method, system, terminal device and storage medium |
| CN114599053B (en) * | 2020-12-07 | 2024-04-09 | 中国移动通信集团山西有限公司 | Networking and networking protection method |
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| JP5163479B2 (en) * | 2008-12-19 | 2013-03-13 | 富士通株式会社 | Path switching method |
| US8650464B1 (en) * | 2010-09-07 | 2014-02-11 | Applied Micro Circuits Corporation | Symmetric diagonal interleaving and encoding/decoding circuit and method |
| CN102136882B (en) * | 2011-03-04 | 2015-03-18 | 华为技术有限公司 | Method and device for transferring error code status |
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| CN101145871A (en) * | 2006-09-12 | 2008-03-19 | 中兴通讯股份有限公司 | Method for reducing erroneous alarm generation sequence in SDH service |
| CN102035718A (en) * | 2009-09-27 | 2011-04-27 | 中国移动通信集团公司 | Method, device and system for protection switching of packet transport network |
| CN101719843A (en) * | 2009-12-18 | 2010-06-02 | 烽火通信科技股份有限公司 | Method of LSP linear protection switching in PTN |
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| JP2017518705A (en) | 2017-07-06 |
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