CN103001819B - Method and system for processing OAM (operation, administration and maintenance) detecting results in MPLS-TP (multiple protocol label switching-transmission parameter) network - Google Patents
Method and system for processing OAM (operation, administration and maintenance) detecting results in MPLS-TP (multiple protocol label switching-transmission parameter) network Download PDFInfo
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Abstract
The invention provides a method a system for processing OAM (operation, administration and maintenance) detecting results in an MPLS-TP (multiple protocol label switching-transmission parameter) network. The method includes following steps: receiving CCM (confidential code message); processing the CCM to obtain a processing result; judging whether the processing result has errors or not, if yes, entering a subsequent step, namely processing, and if not, stopping processing; judging whether the error type needs to copy the message to be sent a CPU (central processing unit) or not, if yes, sending the message, and if not, stopping processing; judging whether the error type needs to be recorded in an ErrorCache and reported the errors through the ErrorCache or not, if yes, performing ErrorCache processing, and if not, stopping processing; and judging whether the error type needs to report the errors by sending quick switching information, if yes, marking the errors with needs to send the quick switching information, and if not, stopping processing. Consequently, one or multiple error informing mechanisms can be provided flexibly and diversely aiming at different error types to meet requirements of the system.
Description
Technical field
The present invention relates to technical field of network communication, particularly relate to OAM in a kind of MPLS-TP network and detect result processing method and system.
Background technology
The joint working group that MPLS-TP is set up by ITU-T and IETF proposed in April, 2008, and its predecessor is the T-MPLS technical standard that ITU-T starts in May, 2005 to develop.The OAM(Operations that IETF will absorb in T-MPLS; Administration and Maintenance), the tranmission techniques such as protect and manage; expand existing MPLS(Multi-Protocol Label Switching; multiprotocol label switching) be MPLS-TP(Transport Profile for MPLS), to strengthen it, support of demand is transmitted to ITU-T.
One of difference of MPLS-TP and MPLS technology is exactly that it is by carrier-class OAM(Operation Administration Maintenance).The major function of MPLS-TP OAM is to business such as Section, LSP, PW, and data channel is monitored, fault location, error reporting.
For ensureing that PTN network is to the demand of carrier class OAM 50ms switching time, requiring that OAM(Operation Administration Maintenance) while rapid detection fault, can also have the function reporting mistake fast, coordinating upper system or other process chip to carry out data channel switching.But current OAM detects that result treatment function is all more single, it can not process different detecting results, and can not report for mistake, protects the application requirements such as switching, is supplied to the occupation mode that upper system is abundanter.
Summary of the invention
OAM in a kind of MPLS-TP network is the object of the present invention is to provide to detect result processing method and system.
For achieving the above object, in a kind of MPLS-TP network of the present invention, OAM detects result processing method, it is characterized in that, comprises the following steps:
S101, receives CCM message;
S102, processes described CCM message, obtains result;
S103, judges that whether described result is wrong, if so, then enters S104, S106 and S108, if not, then end process;
S104, judges that the type of error of described mistake is sent to CPU the need of copy packet, if so, then carries out message transmission, if not, then end process;
S106, judges that the type of error of described mistake is the need of charging in Error Cache, and reports described mistake by Error Cache, if so, then carry out Error Cache process, if not, then end process;
S108, judges that the type of error of described mistake switches mistake described in information reporting fast the need of transmission, is if so, then labeled as to need to send to switch message fast, if not, then ends process.
As a further improvement on the present invention, in described S104, " message transmission " specifically comprises the following steps:
S201 is CCM Message processing type of error;
S202, carries out searching of type of error code to described type of error, the type of error code that the message front portion determining to be sent to CPU need be added;
S203, by the type of error code found according to the rules form to be added into described CCM message anterior;
S204, the CCM message adding error message is sent to CPU, and described CPU determines type of error according to type of error code, to CCM packet parsing.
As a further improvement on the present invention, described " Error Cache process " specifically comprise the following steps:
S301 is CCM Message processing error result, the MEP that described error result comprises type of error and makes a mistake;
S302, searches and judges that the whether existing error entries of described MEP is present in Error Cache, if so, then entering S306, if not, then enter S303;
S306, judging that whether described type of error priority is higher than existing type of error, if so, then enters S307, upgrading, if not, then end process to existing Error Cache entry;
S303, judges that whether Error Cache is full, if so, then ends process, if not, then enter S304;
S304, searches available Error Cache entry;
S305, adds new Error Cache entry by described error result;
S308, marks described new Error Cache entry;
S309, judges whether described new Error Cache entry exceeds needs and send the thresholding interrupted, and if so, then sends interruption, and reads the mistake that Error Cache entry confirms generation, if not, then end process.
As a further improvement on the present invention, described " send and switch message fast " specifically comprises the following steps:
S401, judges whether OAM interval update time reaches, if do not reach, then continues circulation, if reach, then the machine that gets the hang of upgrades;
S402, MEP state machine update process;
S403, judges whether MEP has the mark sending and switch message fast, if nothing, then represents and switches message without relevant error or this mistake fast without the need to sending at present, if having, then enter S404;
S404, judges whether described mistake has the processed mark of upper system, if do not arrange, then show that upper system does not also learn this mistake, need to inform, enter S405, if arrange, then showing that upper system has learnt this mistake, switching message fast without the need to continuing to send;
S405, judges whether that reaching transmission switches message time interval fast, if reach, then enters S406, if do not reach, then ends process;
S406, editor switches message fast;
S407, selects to send switching message destination fast.
As a further improvement on the present invention, the quick switching message in described S406 comprises make mistakes MEP entry relevant information, type of error, and the destination in described S407 comprises the special chip that CPU or special disposal switch message fast.
As a further improvement on the present invention, in a kind of MPLS-TP network, OAM detects result treatment system, it is characterized in that, comprising:
Receiving element, for receiving CCM message;
Processing unit, for processing the CCM message received, obtains result;
Judging unit, whether wrong for judging the result through processing unit processes;
Message copies and sends judging unit, for judging that type of error through the described mistake of judging unit process is sent to CPU the need of copy packet, if so, then then carrying out message transmission by packet sending unit, if not, then ending process;
Error Cache interrupts judging unit, for judging that type of error through the described mistake of judging unit process is the need of charging in Error Cache, and report described mistake by Error Cache, if, then carry out Error Cache process by Error Cache processing unit, if not, then end process;
Quick switching judging unit, for judging that the type of error through the described mistake of judging unit process fast switches mistake described in information reporting the need of transmission, if so, then switching message elements fast and be labeled as by sending and need transmission to switch message fast, if not, then end process.
As a further improvement on the present invention, described " packet sending unit " specifically for:
For CCM Message processing type of error;
Searching of type of error code is carried out to described type of error, the type of error code that the message front portion determining to be sent to CPU need be added;
By the type of error code found according to the rules form to be added into described CCM message anterior;
The CCM message adding error message is sent to CPU, and described CPU determines type of error according to type of error code, to CCM packet parsing.
As a further improvement on the present invention, described " Error Cache processing unit " specifically for:
For CCM Message processing error result, the MEP that described error result comprises type of error and makes a mistake;
Search and judge that the whether existing error entries of described MEP is present in Error Cache;
When judging that existing error entries is present in Error Cache, again judging that whether described type of error priority is higher than there is type of error, when being judged as YES, existing Error Cache entry being upgraded, when being judged as NO, ending process;
When judging that not wrong entry is present in Error Cache, again judging that whether Error Cache is full, when being judged as YES, ending process;
Search available Error Cache entry;
Described error result is added new Error Cache entry;
Described new Error Cache entry is marked;
Judging whether described new Error Cache entry exceeds the thresholding of needs transmission interruption, when being judged as YES, sending and interrupting, and read the mistake that Error Cache entry confirms generation, when being judged as NO, ending process.
As a further improvement on the present invention, described " send switch message elements fast " specifically for:
Judging whether OAM interval update time reaches, when being judged as NO, continuing circulation;
MEP state machine update process;
Judge whether MEP has the mark sending and switch message fast, when being judged as NO, representing and switching message without relevant error or this mistake fast without the need to sending at present;
Judging whether described mistake has the processed mark of upper system, when being judged as YES, showing that upper system has learnt this mistake, switching message fast without the need to continuing to send;
Judging whether to reach to send and switch message time interval fast, when being judged as NO, ending process;
Editor switches message fast;
Select to send and switch message destination fast.
As a further improvement on the present invention, described quick switching message comprises make mistakes MEP entry relevant information, type of error, and described destination comprises the special chip that CPU or special disposal switch message fast.
Compared with prior art; advantage of the present invention is: the present invention is flexible; various provides one or more error informing mechanism for different type of error; meet system requirements; and the present invention is when processing different detecting results; can carry out reporting, protecting the application such as switching for mistake simultaneously, be supplied to the occupation mode that upper system is abundanter.Error informing mechanism provided by the invention respectively has advantage, and according to system requirements, can use flexibly.
Accompanying drawing explanation
Fig. 1 is the flow chart that in an embodiment of the present invention MPLS-TP network, OAM detects result processing method;
Fig. 2 is the concrete process chart of S105 in Fig. 1;
Fig. 3 is the concrete process chart of S107 in Fig. 1;
Fig. 4 is about sending the flow chart switching message fast in OAM process;
Fig. 5 is the system unit figure that in an embodiment of the present invention MPLS-TP network, OAM detects result treatment system.
Embodiment
Describe the present invention below with reference to accompanying drawing; but these execution modes do not limit the present invention, the structure that those of ordinary skill in the art makes according to these execution modes, method or conversion functionally are all included in protection scope of the present invention.
Multiple type of error is defined based on MPLS-TP OAM Y.1731 in the present invention, comprise: lose continuity (LOC, Loss of Connection), situation that mistake is mixed into (Unexpected MEGID), unexpected MEP(Unexpected MEPID) situation, unexpected MEG grade Level(Unexpected MEG Level) situation, (Unexpected Period) situation of unexpected cycle and RDI(Remote Defect Indication) the multiple type of error such as situation.
The invention provides three kinds of error informing mechanism: copy packet delivers to CPU mechanism, Error Cache(error message buffer) interrupt mechanism of informing and quick switching alarm mechanism.
As shown in Figure 1, in an embodiment of the present invention, the flow process of OAM detecting result processing method comprises:
S101, receives CCM message;
S102, processes the CCM message received, obtains result;
S103, judge that whether the result of S102 is wrong, this mistake may be above-mentioned various type of error, if so, then enters S104, S106 and S108, if not, then ends process;
S104, judge that the type of error of mistake in S103 is the need of copying this message and being sent to CPU, whether this type of error meets this judgement is configured by upper system, if so, then enters S105, carries out message transmission, if not, then ends process;
S106, judge that the type of error of mistake in S103 is the need of charging in Error Cache, and report this mistake of upper system by the Error Cache interruption mechanism of informing, whether this type of error meets this judgement is configured by upper system, if so, then enter S107, carry out Error Cache process, if not, then end process;
S108, judge that the type of error of mistake in S103 switches this mistake of information reporting upper system fast the need of transmission, whether this type of error meets this judgement is configured by upper system, if so, then enter S109, be labeled as and need transmission to switch message fast, if not, then end process.
As shown in Figure 2, in Fig. 1, the concrete handling process of S105 comprises:
S201 is CCM Message processing type of error;
S202, carries out type of error code to the type of error in S201 and searches, the type of error code that the message front portion determining to be sent to CPU need be added;
S203, according to the lookup result of S202, by type of error code according to the rules form to be added into former CCM message anterior, so that CPU carries out after receiving classifying and the process such as parsing;
S204, the CCM message adding error message is sent to CPU, and CPU can determine type of error according to type of error code, to CCM packet parsing, and determine the MEP(Maintenance association End Point that makes mistakes, safeguard associating end points) and other relevant informations.
As shown in Figure 3, in Fig. 1, the concrete handling process of S107 comprises:
S301, is CCM Message processing error result, comprises CCM type of error, make a mistake the relevant informations such as MEP;
S302, searches and judges that the whether existing error entries of above-mentioned MEP is present in Error Cache, if so, then entering S306, if not, then enter S303;
S306, judging that whether above-mentioned type of error priority is higher than existing type of error, if so, then enters S307, upgrading, if not, then end process to existing Error Cache entry;
S303, judges that whether Error Cache is full, if so, then cannot increase Error Cache entry newly, end process, if not, then enter S304;
S304, searches available Error Cache entry, and finding can for this Error Cache entry;
S305, adds new Error Cache entry, comprises make mistakes MEP relevant information and this type of error by relevant information;
S308, new Error Cache entry marks this entry, shows this entry in use after adding;
S309, judges whether above-mentioned new Error Cache entry exceeds needs and send the thresholding interrupted, and if so, then enters S310, sends and interrupt, the mistake that reading Error Cache entry of having no progeny during system processing module receives confirms to occur, and if not, then ends process.
OAM related protocol specifies, the state machine of OAM is all relevant with the time, namely needs the behavior carried out a series of state machine renewal and CCM message occurs when arriving interval sometime.The transmit mechanism of quick switching message of the present invention is also blended in this state machine flow process, to reach the object sending fast and switch message.As shown in Figure 4, comprise about sending the idiographic flow switching message fast in OAM process:
S401, judges whether OAM interval update time reaches, and as do not reached, then continues circulation, and as reached, then the machine that gets the hang of upgrades;
S402, MEP state machine update process, namely processes the renewal of the various state machines of OAM agreement regulation;
S403, judge whether this MEP has the mark sending and switch message fast, this mark is determined by S108 and S109 result in Fig. 1, as nothing, namely represents and switches message without relevant error or this mistake fast without the need to sending at present, if any, then enter S404;
S404, judge whether this mistake has the processed mark of upper system, this mark is arranged by upper system, if do not arrange, then show that upper system does not also learn this mistake, need to inform, enter S405, if arrange, then show that upper system has learnt this mistake, do not need to continue to send to switch message fast;
S405, judges whether to reach the time interval sending and switch message fast, and this judgement sends for controlling the frequency switching message fast, and this frequency can be configured by upper system and control, and as reached the time interval, then enters S406, as do not reached, then terminates this process;
S406, editor switches message fast, and after confirmation needs transmission to switch message fast, in this step, editor switches message fast, comprises MEP entry relevant information of makeing mistakes, type of error etc.;
S407, select to send switching message destination fast, for selecting the destination switching message fast, can be CPU, also can be the special chip of this message of special disposal, to reach wrong fast processing, the object switched fast.
As shown in Figure 5, in an embodiment of the present invention, the system unit of OAM detecting result recognition system comprises:
Receiving element, for receiving CCM message;
Processing unit, for processing the CCM message received, obtains result;
Judging unit, whether wrong for judging the result through processing unit processes;
Message copies and sends judging unit, for judging that type of error through the described mistake of judging unit process is sent to CPU the need of copy packet, if so, then then carrying out message transmission by packet sending unit, if not, then ending process;
Error Cache interrupts judging unit, for judging that type of error through the described mistake of judging unit process is the need of charging in Error Cache, and report described mistake by Error Cache, if, then carry out Error Cache process by Error Cache processing unit, if not, then end process;
Quick switching judging unit, for judging that the type of error through the described mistake of judging unit process fast switches mistake described in information reporting the need of transmission, if so, then switching message elements fast and be labeled as by sending and need transmission to switch message fast, if not, then end process.
Above-mentioned " packet sending unit " specifically for:
For CCM Message processing type of error;
Searching of type of error code is carried out to above-mentioned type of error, the type of error code that the message front portion determining to be sent to CPU need be added;
By the type of error code found according to the rules form to be added into above-mentioned CCM message anterior;
The CCM message adding error message is sent to CPU, and CPU determines type of error according to type of error code, to CCM packet parsing.
Above-mentioned " Error Cache processing unit " specifically for:
For CCM Message processing error result, the MEP comprising type of error He make a mistake;
Search and judge that the whether existing error entries of this MEP is present in Error Cache;
When judging that existing error entries is present in Error Cache, again judging that whether this type of error priority is higher than there is type of error, when being judged as YES, existing Error Cache entry being upgraded, when being judged as NO, ending process;
When judging that not wrong entry is present in Error Cache, again judging that whether Error Cache is full, when being judged as YES, ending process;
Search available Error Cache entry;
Error result is added new Error Cache entry;
New Error Cache entry is marked;
Judging whether this new Error Cache entry exceeds the thresholding of needs transmission interruption, when being judged as YES, sending and interrupting, and read the mistake that Error Cache entry confirms generation, when being judged as NO, ending process.
Above-mentioned " send switch message elements fast " specifically for:
Judging whether OAM interval update time reaches, when being judged as NO, continuing circulation;
MEP state machine update process;
Judge whether MEP has the mark sending and switch message fast, when being judged as NO, representing and switching message without relevant error or this mistake fast without the need to sending at present;
Judging whether described mistake has the processed mark of upper system, when being judged as YES, showing that upper system has learnt this mistake, switching message fast without the need to continuing to send;
Judging whether to reach to send and switch message time interval fast, when being judged as NO, ending process;
Editor switches message fast, comprises type of error, the relevant informations such as MEP entry of makeing mistakes;
Select to send and switch message destination fast, can be CPU, also can be the special chip that special disposal switches message fast.
Three kinds of error informing mechanism provided by the invention: copy packet delivers to CPU mechanism, Error Cache interrupts informing mechanism, and quick switching alarm mechanism, respectively has its advantage:
Copy packet delivers to CPU mechanism, complete error message can be copied and be sent to CPU, and with the type of error after chip process, this type of error is convenient to CPU and is classified fast to mistake and solve, and complete message is convenient to the parsing again of Debug and CPU and is specifically processed;
Error Cache interrupts informing mechanism, and Error Cache has the advantage of fast reading and writing, and uses asynchronous system, by interrupting informing CPU, CPU can read Error Cache according to self needing, process and elimination, and interrupt mode has great advantage for raising cpu busy percentage;
Quick switching alarm mechanism, the advantage of this mechanism is to send with very fast speed to switch message fast, and can setup message sending destination, can be CPU, also can be the dedicated processes chip of this message of special disposal, what specify for OAM agreement loses continuity (LOC, Loss of Connection) this kind of need fast processing and the mistake that acts accordingly very effective, can ensure that the detecting result according to OAM carries out the quick switching of data channel, reach the demand of PTN network to switch speed.
Three kinds of error informing mechanism provided by the invention can need to control some type of error according to system and inform upper system (also simultaneously can use multiple error informing mechanism) with certain error informing mechanism, thus be supplied to CPU or dedicated processes chip relevant information, and carry out the process of mistake and corresponding system action.
In sum, three kinds of error informing mechanism combine by the present invention, and flexibly, various provides one or more error informing mechanism for different type of error, meets all kinds of demands of system.
For convenience of description, various unit is divided into describe respectively with function when describing above device.Certainly, the function of each unit can be realized in same or multiple software and/or hardware when implementing the application.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the mode that the application can add required general hardware platform by software and realizes.Based on such understanding, the technical scheme of the application can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each execution mode of the application or execution mode.
Device embodiments described above is only schematic, the wherein said unit illustrated as separating component or can may not be and physically separates, parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of module wherein can be selected according to the actual needs to realize the object of present embodiment scheme.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
The application can be used in numerous general or special purpose computing system environment or configuration.Such as: personal computer, server computer, handheld device or portable set, laptop device, multicomputer system, system, set top box, programmable consumer-elcetronics devices, network PC, minicom, mainframe computer, the distributed computing environment (DCE) comprising above any system or equipment etc. based on microprocessor.
The application can describe in the general context of computer executable instructions, such as program module.Usually, program module comprises the routine, program, object, assembly, data structure etc. that perform particular task or realize particular abstract data type.Also can put into practice the application in a distributed computing environment, in these distributed computing environment (DCE), be executed the task by the remote processing devices be connected by communication network.In a distributed computing environment, program module can be arranged in the local and remote computer-readable storage medium comprising memory device.
Be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, technical scheme in each execution mode also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility execution mode of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.
Claims (10)
1. in MPLS-TP network, OAM detects a result processing method, it is characterized in that, comprises the following steps:
S101, receives CCM message;
S102, processes described CCM message, obtains result;
S103, judges that whether described result is wrong, if so, then enters S104, S106 and S108, if not, then end process;
S104, judges that the type of error of described mistake is sent to CPU the need of copy packet, if so, then carries out message transmission, if not, then end process;
S106, judges that the type of error of described mistake is the need of charging in Error Cache, and reports described mistake by Error Cache, if so, then carry out Error Cache process, if not, then end process;
S108, judges that the type of error of described mistake switches mistake described in information reporting fast the need of transmission, is if so, then labeled as to need to send to switch message fast, if not, then ends process.
2. in MPLS-TP network according to claim 1 OAM detect result processing method, it is characterized in that, in described S104 " message transmission " specifically comprise the following steps:
S201 is CCM Message processing type of error;
S202, carries out searching of type of error code to described type of error, the type of error code that the message front portion determining to be sent to CPU need be added;
S203, by the type of error code found according to the rules form to be added into described CCM message anterior;
S204, the CCM message adding error message is sent to CPU, and described CPU determines type of error according to type of error code, to CCM packet parsing.
3. in MPLS-TP network according to claim 1, OAM detects result processing method, and it is characterized in that, described " Error Cache process " specifically comprises the following steps:
S301 is CCM Message processing error result, the MEP that described error result comprises type of error and makes a mistake;
S302, searches and judges that the whether existing error entries of described MEP is present in Error Cache, if so, then entering S306, if not, then enter S303;
S306, judging that whether described type of error priority is higher than existing type of error, if so, then enters S307, upgrading, if not, then end process to existing Error Cache entry;
S303, judges that whether Error Cache is full, if so, then ends process, if not, then enter S304;
S304, searches available Error Cache entry;
S305, adds new Error Cache entry by described error result;
S308, marks described new Error Cache entry;
S309, judges whether described new Error Cache entry exceeds needs and send the thresholding interrupted, and if so, then sends interruption, and reads the mistake that Error Cache entry confirms generation, if not, then end process.
4. in MPLS-TP network according to claim 1, OAM detects result processing method, it is characterized in that, described " send and switch message fast " specifically comprises the following steps:
S401, judges whether OAM interval update time reaches, if do not reach, then continues circulation, if reach, then the machine that gets the hang of upgrades;
S402, MEP state machine update process;
S403, judges whether MEP has the mark sending and switch message fast, if nothing, then represents and switches message without relevant error or this mistake fast without the need to sending at present, if having, then enter S404;
S404, judges whether described mistake has the processed mark of upper system, if do not arrange, then show that upper system does not also learn this mistake, need to inform, enter S405, if arrange, then showing that upper system has learnt this mistake, switching message fast without the need to continuing to send;
S405, judges whether that reaching transmission switches message time interval fast, if reach, then enters S406, if do not reach, then ends process;
S406, editor switches message fast;
S407, selects to send switching message destination fast.
5. in MPLS-TP network according to claim 4, OAM detects result processing method, it is characterized in that: the quick switching message in described S406 comprises make mistakes MEP entry relevant information, type of error, the destination in described S407 comprises the special chip that CPU or special disposal switch message fast.
6. in MPLS-TP network, OAM detects a result treatment system, it is characterized in that, comprising:
Receiving element, for receiving CCM message;
Processing unit, for processing the CCM message received, obtains result;
Judging unit, whether wrong for judging the result through processing unit processes;
Message copies and sends judging unit, for judging that type of error through the described mistake of judging unit process is sent to CPU the need of copy packet, if so, then then carrying out message transmission by packet sending unit, if not, then ending process;
Error Cache interrupts judging unit, for judging that type of error through the described mistake of judging unit process is the need of charging in Error Cache, and report described mistake by Error Cache, if, then carry out Error Cache process by Error Cache processing unit, if not, then end process;
Quick switching judging unit, for judging that the type of error through the described mistake of judging unit process fast switches mistake described in information reporting the need of transmission, if so, then switching message elements fast and be labeled as by sending and need transmission to switch message fast, if not, then end process.
7. in MPLS-TP network according to claim 6, OAM detects result treatment system, it is characterized in that, described " packet sending unit " specifically for:
For CCM Message processing type of error;
Searching of type of error code is carried out to described type of error, the type of error code that the message front portion determining to be sent to CPU need be added;
By the type of error code found according to the rules form to be added into described CCM message anterior;
The CCM message adding error message is sent to CPU, and described CPU determines type of error according to type of error code, to CCM packet parsing.
8. in MPLS-TP network according to claim 6, OAM detects result treatment system, it is characterized in that, described " Error Cache processing unit " specifically for:
For CCM Message processing error result, the MEP that described error result comprises type of error and makes a mistake;
Search and judge that the whether existing error entries of described MEP is present in Error Cache;
When judging that existing error entries is present in Error Cache, again judging that whether described type of error priority is higher than there is type of error, when being judged as YES, existing Error Cache entry being upgraded, when being judged as NO, ending process;
When judging that not wrong entry is present in Error Cache, again judging that whether Error Cache is full, when being judged as YES, ending process;
Search available Error Cache entry;
Described error result is added new Error Cache entry;
Described new Error Cache entry is marked;
Judging whether described new Error Cache entry exceeds the thresholding of needs transmission interruption, when being judged as YES, sending and interrupting, and read the mistake that Error Cache entry confirms generation, when being judged as NO, ending process.
9. in MPLS-TP network according to claim 6, OAM detects result treatment system, it is characterized in that, described " send and switch message elements fast " specifically for:
Judging whether OAM interval update time reaches, when being judged as NO, continuing circulation;
MEP state machine update process;
Judge whether MEP has the mark sending and switch message fast, when being judged as NO, representing and switching message without relevant error or this mistake fast without the need to sending at present;
Judging whether described mistake has the processed mark of upper system, when being judged as YES, showing that upper system has learnt this mistake, switching message fast without the need to continuing to send;
Judging whether to reach to send and switch message time interval fast, when being judged as NO, ending process;
Editor switches message fast;
Select to send and switch message destination fast.
10. in MPLS-TP network according to claim 9, OAM detects result treatment system, it is characterized in that: described quick switching message comprises make mistakes MEP entry relevant information, type of error, described destination comprises the special chip that CPU or special disposal switch message fast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110277239.XA CN103001819B (en) | 2011-09-19 | 2011-09-19 | Method and system for processing OAM (operation, administration and maintenance) detecting results in MPLS-TP (multiple protocol label switching-transmission parameter) network |
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| CN106899419B (en) * | 2015-12-17 | 2020-11-10 | 北京网御星云信息技术有限公司 | Method, device and request terminal for realizing exception handling |
| CN112291087B (en) * | 2020-10-19 | 2022-08-26 | 苏州盛科通信股份有限公司 | Method and device for realizing OAM error state reporting |
| CN114938346B (en) * | 2022-05-13 | 2023-06-06 | 苏州盛科通信股份有限公司 | Method and device for realizing service fast switching by cooperation of chip and CPU |
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