CN204392271U - A kind of OAM message transmitting system - Google Patents
A kind of OAM message transmitting system Download PDFInfo
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- CN204392271U CN204392271U CN201420815109.6U CN201420815109U CN204392271U CN 204392271 U CN204392271 U CN 204392271U CN 201420815109 U CN201420815109 U CN 201420815109U CN 204392271 U CN204392271 U CN 204392271U
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Abstract
The utility model relates to a kind of network communication field, particularly a kind of OAM message transmitting system.Comprise reference pulse generation module, packet counting module, message periodic Control module, send control module and message group package module; Described reference pulse generation module connects described packet counting module and described message periodic Control module simultaneously, and provides reference pulse for described packet counting module; Described packet counting module is connected described transmission control module with described message periodic Control module simultaneously, and described transmission control module connects described message group package module; The OAM message transmitting system that the utility model provides, adopts the mode of same timer, can realize the transmission control of identical or different timing for message different in different passage simultaneously.The difference simultaneously meeting the different OAM message of heterogeneous networks layer sends cycle requirement.
Description
Technical field
The utility model relates to a kind of network communication field, particularly a kind of OAM message transmitting system.
Background technology
Ethernet OAM (Operations, Administration and Maintenance, Operations, Administration and Maintenance) is a kind of instrument of monitor network problem.It is operated in data link layer, and carrier ethernet utilizes the mutual OAMPDU (OAM Protocol Data Units, OAM Protocol Data Unit) of timing between equipment to carry out the state of reporting ent, enables network manager's more effectively supervising the network.
ITU tissue issues the large class Ethernet OAM function of ITU-T.Y1731 standard main definitions two: fault management, performance monitoring.Fault management mainly comprises: the functions such as connectivity checks (Ethernet Continuity Check), loopback detection (Ethernet Loopback), path detection (Ethernet Link Trace), far-end fault instruction (Ethernet Remote Defect Indication); Performance monitoring mainly comprises packet loss detection (Frame Loss), Time delay measurement (Frame Delay), throughput measurement (Throughput measurement) etc.
The main type of message of PTN network OAM is as shown in table 1, and some message sends in the cycle, as: CCM message; Some message sends as required, as AIS/RDI message; Some message once sends, as APS message.
Table 1
| Function | Message |
| Status discovery | CCM |
| Alarm suppresses | AIS/RDI |
| Connectivity Verification | LBM/LBR |
| Fault location | LTM/LTR |
| Packet loss rate measurement | LMM/LMR |
| Latency measurement | DMM/DMR |
| Pretection switch | CCM/APS |
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency existing in prior art, a kind of OAM message transmitting system adopting same counting module to realize the periodic Control of dissimilar OAM message is provided, comprises reference pulse generation module, packet counting module, message periodic Control module, send control module and message group package module; Described reference pulse generation module connects described packet counting module and described message periodic Control module simultaneously, and provides reference pulse for described packet counting module; Described packet counting module is connected described transmission control module with described message periodic Control module simultaneously, and described transmission control module connects described message group package module.
Described packet counting module is used for carrying out time counting for dissimilar OAM message, to judge whether to arrive the transmission cycle.
Described message periodic Control module is for controlling the transmission cycle of dissimilar OAM message.
Described transmission control module for reading message information in described packet counting module, message periodic Control module, and controls the transmission of OAM message according to this information.
Described message group package module is used for the transmission order that sends according to described transmission control module and packages transmission to corresponding OAM message.
Further, described transmitting system also comprises message driving module, and described message driving module is connected with described reference pulse generation module and described transmission control module simultaneously; Described message driving module is for controlling the enable mark of dissimilar OAM message.
Preferably, described reference pulse generation module produces the reference clock pulse of 3.33ms.
Further, described packet counting module, message periodic Control module, message driving module all comprise 128 passages, every passage can hold the controling parameters of 16 OAM message, and namely described transmitting system can realize controlling the transmission of 2048 messages in theory.
Further, described packet counting module realizes the transmission periodic Control of same time or different time simultaneously for dissimilar OAM message.
Further, described transmission periodic Control module can realize the control in different transmission cycle to same type OAM message or same OAM message.
Meanwhile, the utility model also provides a kind of OAM message sending method adopting same counting module to realize the periodic Control of dissimilar OAM message, comprises following steps:
Step 1: by m, the arrival waiting for reference pulse, is set as that 0, n is set as 0, enters step 2.
Step 2: described transmission control module reads the count value of the n-th message in passage m in described packet counting module; Meanwhile, described transmission control module reads the transmission periodic quantity of the n-th message in passage m in described message periodic Control module; As described in passage m the n-th message count value < as described in the transmission periodic quantity of the n-th message in passage m, then enter step 3, otherwise enter step 4; Wherein 0≤m<128,0≤n<16.
Step 3: stored in position, packet counting module Central Plains after the count value of the n-th message adds 1 in described passage m, enter step 5.
Step 4: described transmission control module sends type of message, the message channel number of this message to described message group package module, described message group package module group bag sends this message, enters step 5.
Step 5:n value adds 1, judges whether n currency equals 16, as no, returns step 2; In this way, step 6 is entered.
Step 6:n makes zero; M value adds 1, judges whether m currency is 128; As no, return step 2; In this way, then terminate, wait for that next reference pulse arrives.
Further, the step that described transmission control module reads the enable mark of the n-th message in passage m in described message driving module is also comprised in step 4, as as described in be enablely designated 1, then described transmission control module sends type of message, the message channel number of this message to described message group package module, described message group package module sends this message, enters step 5; Otherwise directly enter step 5.
Preferred described reference pulse is the reference clock pulse of 3.33ms.
Further, described OAM message sending method can realize the transmission periodic Control of same time or different time for dissimilar OAM message.
Further, described transmission periodic Control module can realize the control in different transmission cycle to same type OAM message or same OAM message.
Compared with prior art, the beneficial effects of the utility model: the OAM message transmitting system that the utility model provides, adopt the mode of same timer (this timer is grouping timer), the transmission control of identical or different timing can be realized simultaneously for different message in different passage (OAM message for heterogeneous networks layer).The difference simultaneously meeting the different OAM message of heterogeneous networks layer sends cycle requirement.
Accompanying drawing explanation
The structural representation of the OAM message transmitting system that Fig. 1 provides for the utility model.
The flow chart of the OAM message sending method that Fig. 2 provides for the utility model.
Mark in figure: 1-reference pulse generation module, 2-packet counting module, 3-sends periodic Control module, and 4-sends control module, 5-message group package module, 6-message driving module.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the utility model is only limitted to following embodiment, all technology realized based on the utility model content all belong to scope of the present utility model.
Embodiment 1: the object of the present embodiment is to overcome above-mentioned deficiency existing in prior art, a kind of OAM message transmitting system adopting same counting module to realize the periodic Control of dissimilar OAM message is provided, comprises reference pulse generation module 1, packet counting module 2, message periodic Control module 3, send control module 4 and message group package module 5; Described reference pulse generation module 1 connects described packet counting module 2 and described message periodic Control module 3 simultaneously, and provides reference pulse for described packet counting module 1; Described packet counting module 2 is connected described transmission control module 4 with described message periodic Control module 3 simultaneously, and described transmission control module 4 connects described message group package module 5.
Described packet counting module 2 for carrying out time counting for dissimilar OAM message, with judge whether arrive the transmission cycle.
Described message periodic Control module 3 is for controlling the transmission cycle of dissimilar OAM message; As shown in table 2, in the present embodiment, the transmission cycle of described OAM message can divide 7 kinds.
Table 2
| Message sends the cycle | Transmission rate | Message length (byte) |
| 3.33ms | 300 frames/s | 64Byte |
| 10ms | 100 frames/s | 64Byte |
| 100ms | 10 frames/s | 64Byte |
| 1s | 1 frame/s | 64Byte |
| 10s | 6 frames/min | 64Byte |
| 1min | 1 frame/min | 64Byte |
| 10min | 6 frames/hour | 64Byte |
In the present embodiment, for saving storage area, in described message periodic Control module 3, adopt the cycle of the corresponding message of mode record of the table of comparisons as shown in table 3.
Table 3
| Storaging mark | Message sends the cycle |
| 000 | 3.33ms |
| 001 | 10ms |
| 010 | 100ms |
| 011 | 1s |
| 100 | 10s |
| 101 | 1min |
| 110 | 10min |
| 111 | 0 (single) |
With reference to table 3, the storage only just realizing each message cycle with the bank bit of 3bit can be realized.
Described transmission control module 4 for reading message information in described packet counting module 2, message periodic Control module 3, and controls the transmission of OAM message according to this information; As described in transmission control module 4 from as described in read 110 periodic Control module 3, then represent, the transmission cycle of this OAM message is 10min; As described in transmission control module 4 from as described in read 011 periodic Control module 3, then represent that the transmission cycle of this OAM message is 1s.
Described message group package module 5 to package transmission to corresponding OAM message for the transmission order that sends according to described transmission control module 4.
Further, described transmitting system also comprises message driving module 6, and described message driving module 6 is connected with described reference pulse generation module 1 and described transmission control module 4 simultaneously; Described message driving module 6 is for controlling the enable mark of dissimilar OAM message.The module of message driving described in the present embodiment 6 is the memory space of 128*16bit, can realize the enable control to 128*16 OAM message, if mark place value is 1, then represents that transmission is enable.Be 0 as identified place value, then represent that transmission is forbidden.
Preferably, described reference pulse generation module produces the reference clock pulse of 3.33ms.
Further, described packet counting module 2, message periodic Control module 3, message driving module 6 all comprise 128 passages, every passage can hold the controling parameters of 16 OAM message, and namely described transmitting system can realize controlling the transmission of 2048 messages in theory.
Further, described packet counting module 2, due to the structure of itself 128*16, can realize the transmitting time counting simultaneously dissimilar OAM message being carried out to same time or different time.
Further, described transmission periodic Control module 3 is due to the structure of its 128*16, can realize carrying out to dissimilar OAM message the periodic Control that the time is identical or the time is different, also can realize control same type OAM message or same OAM message being carried out to the different transmission cycle.
Embodiment 2: the present embodiment provides a kind of OAM message sending method adopting same counting module to realize the periodic Control of dissimilar OAM message, comprises following steps:
Step 1: by m, the arrival waiting for reference pulse, is set as that 0, n is set as 0, enters step 2.
Step 2: described transmission control module reads the count value of the n-th message in passage m in described packet counting module; Meanwhile, described transmission control module reads the transmission periodic quantity of the n-th message in passage m in described message periodic Control module; As described in passage m the n-th message count value < as described in the transmission periodic quantity of the n-th message in passage m, then enter step 3, otherwise enter step 4; Wherein 0≤m<128,0≤n<16.
Step 3: stored in position, packet counting module Central Plains after the count value of the n-th message adds 1 in described passage m, enter step 5.
Step 4: described transmission control module sends type of message, the message channel number of this message to described message group package module, described message group package module group bag sends this message, enters step 5.
Step 5:n value adds 1, judges whether n currency equals 16, as no, returns step 2; In this way, step 6 is entered.
Step 6:n makes zero; M value adds 1, judges whether m currency is 128; As no, return step 2; In this way, then terminate, wait for that next reference pulse arrives.
Further, the step that described transmission control module reads the enable mark of the n-th message in passage m in described message driving module is also comprised in step 4, as as described in be enablely designated 1, then described transmission control module sends type of message, the message channel number of this message to described message group package module, described message group package module sends this message, enters step 5; Otherwise directly enter step 5.
Preferred described reference pulse is the reference clock pulse of 3.33ms.
Further, described packet counting module 2, due to the structure of itself 128*16, can realize the transmitting time counting simultaneously dissimilar OAM message being carried out to same time or different time.
Further, described transmission periodic Control module 3 is due to the structure of its 128*16, can realize carrying out to dissimilar OAM message the periodic Control that the time is identical or the time is different, also can realize control same type OAM message or same OAM message being carried out to the different transmission cycle.
Claims (4)
1. an OAM message transmitting system, is characterized in that, comprises reference pulse generation module, packet counting module, message periodic Control module, sends control module and message group package module; Described reference pulse generation module connects described packet counting module and described message periodic Control module simultaneously, and provides reference pulse for described packet counting module; Described packet counting module is connected described transmission control module with described message periodic Control module simultaneously, and described transmission control module connects described message group package module;
Described packet counting module is used for carrying out time counting for dissimilar OAM message, to judge whether to arrive the transmission cycle;
Described message periodic Control module is for controlling the transmission cycle of dissimilar OAM message;
Described transmission control module for reading message information in described packet counting module, message periodic Control module, and controls the transmission of OAM message according to this information;
Described message group package module is used for the transmission order that sends according to described transmission control module and packages transmission to corresponding OAM message.
2. a kind of OAM message transmitting system as claimed in claim 1, it is characterized in that, described transmitting system also comprises message driving module, and described message driving module is connected with described reference pulse generation module and described transmission control module simultaneously; Described message driving module is for controlling the enable mark of dissimilar OAM message.
3. a kind of OAM message transmitting system as claimed in claim 1, is characterized in that, described reference pulse generation module produces the reference clock pulse of 3.33ms.
4. a kind of OAM message transmitting system as claimed in claim 1 or 2, is characterized in that, described packet counting module, message periodic Control module, message driving module all comprise 128 passages, and every passage can hold the controling parameters of 16 OAM message.
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| CN201420815109.6U CN204392271U (en) | 2014-12-19 | 2014-12-19 | A kind of OAM message transmitting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104468228A (en) * | 2014-12-19 | 2015-03-25 | 成都朗锐芯科技发展有限公司 | OAM message transmission system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104468228A (en) * | 2014-12-19 | 2015-03-25 | 成都朗锐芯科技发展有限公司 | OAM message transmission system |
| CN104468228B (en) * | 2014-12-19 | 2017-12-26 | 成都朗锐芯科技发展有限公司 | A kind of OAM message sends system |
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