CN101193002A - A fault diagnosis and alarming method for broadband access service - Google Patents
A fault diagnosis and alarming method for broadband access service Download PDFInfo
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- CN101193002A CN101193002A CNA2006101497572A CN200610149757A CN101193002A CN 101193002 A CN101193002 A CN 101193002A CN A2006101497572 A CNA2006101497572 A CN A2006101497572A CN 200610149757 A CN200610149757 A CN 200610149757A CN 101193002 A CN101193002 A CN 101193002A
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Abstract
The invention relates to a broadband access service fault diagnosis and alarming method. Service flow mirror image technology is adopted on broadband access equipment. The method includes the following steps: deciding the to-be-diagnosed online service flow port, selecting free service flow ports for diagnosis and arranging the ports in the same group; when the network processor (13) sends to-be-diagnosed service flow A to the online service flow port, the service flow is copied by means of multicast, the copied service flow D is processed with respect to script to remove the original diagnosis datagram, alarm or statistical information datagram is generated automatically according to triggering conditions set by the script parameter which is sent to the free service flow port; alarm is given out by analyzing the statistical datagram or according to the alarming datagram . The method makes full use of the line rate processing ability of the network processor, so CPU interference is small and equipment functioning is not affected. At the same time, all the diagnosis is aimed at the diagnosis flow port so effect on the to-be-diagnosed port service is small. Besides, the script assistant diagnosis means also brings convenience and satisfies the requirements of diagnosis and automatic alarming to a large content.
Description
Technical field
The present invention relates to the wideband switch-in business method for diagnosing faults, be specifically related to the diagnosis of broadband access equipment IP DSLAM traffic failure and the alarm method of processor Network Based.
Background technology
Broadband access equipment 1, physical structure be as shown in Figure 1: network side is provided with k port, is connected with master control borad 11; User side is provided with m * n port, is connected with n piece ply-yarn drill 12, and every ply-yarn drill 12 is provided with m port; Circuit is connected between master control borad 11 and the ply-yarn drill 12.Logical construction as shown in Figure 2, network processing unit 13 is arranged in master control borad 11 and the ply-yarn drill 12, network processing unit 13 can be the customization asic chip.
The traffic failure of broadband access equipment the user side traffic failure especially occurs because the actual user that relates to relatively disperses, and runs to field assay and wants labor intensive, material resources.Though broadband access equipment IPDSLAM system has realized the function of many broadbands O﹠M at present, can't easily solve by the function of O﹠M for the traffic failure of DSLAM switching part, the fault that the user side fail safe causes.Even arrived office side's machine room, often also to interrupt " waiting to diagnose " user's practical business when diagnosis is professional, may also can destroy the primary scene of traffic failure.
In the support for the business diagnosis, IP DSLAM employing method is as follows at present:
(1) directly connects a PC or the analyzer packet capturing is analyzed at the corresponding actual port that breaks down; The method influences the business actual to be diagnosed of knowing clearly greatly;
(2) be redirected to CPU packet capturing analytic statistics; The method will take a large amount of cpu resources, has influenced equipment operation;
(3) the stream mirror of Li Yonging is just realized between the upper united mouth to technology, can't more needn't carry based on the traffic flow port in each user port based on the actual port of user side; The method underaction is located direct positioning service fault in the upper united mouth, very big to the service impact of reality; Present every user has multiple business stream, as adopting home gateway etc., can't accomplish to carry out fault location based on each Business Stream.
Processor Network Based is realized the diagnostic techniques of traffic failure, close patent have application number be 200310121350.5 " a kind of network processing unit forwarding fault Diagnosis Method " propose trigger the diagnosis thread according to conditions for diagnostics, during diagnosis by the single step run of diagnosis control thread, writing down and read forwarding information realizes transmitting the automatic diagnosis of traffic failure, be to utilize the little threading of network processing unit location to transmit a kind of technology of fault, do not relate to equally traffic flow port is carried out failure diagnosis.
Summary of the invention
The technical issues that need to address of the present invention are the diagnosis of IP DSLAM traffic failure and alarm methods of a kind of processor Network Based, can carry out failure diagnosis and alarm method and not influence business to be diagnosed and equipment operation at traffic flow port, can realize the deep diagnosis that script is auxiliary simultaneously and report to the police automatically.
Above-mentioned technical problem of the present invention solves like this, and a kind of wideband switch-in business failure diagnosis and alarm method are provided, and adopts the Business Stream mirror image technology on broadband access equipment, may further comprise the steps:
1.1) group is set: determine on-line traffic flow port to be diagnosed, choose diagnosis and be arranged in the group with spare traffic flow ports and with them;
1.2) copy: when network processing unit (13) waits to diagnose Business Stream A to described on-line traffic flow port transmission, copy this Business Stream by the multicast mode at described spare traffic flow ports and generate copy Business Stream D;
1.3) script handles: abandon diagnosis among the described copy Business Stream D and generate automatically with original message, according to the trigger condition of script argument setting and alarm or the statistical information message;
1.4) diagnosis and report to the police: analyze that described statistical information message is diagnosed or produce warning automatically according to described warning information message.
According to failure diagnosis provided by the invention and alarm method, described script is handled and specifically be may further comprise the steps:
2.1) beginning;
2.2) judge the whether first message sheet receive? be to enter step 2.8); Otherwise enter step 2.3);
2.3) judge that first message sheet filters? be to enter step 2.7); Otherwise enter step 2.4);
2.4) judge whether afterbody message sheet receive and the mark set that sends alarm/accounting message? be to enter step 2.5); Otherwise enter step 2.7);
2.5) content of revising this message sheet is the statistical information content;
2.6) send this message sheet, go to step 2.17);
2.7) abandon this message sheet, go to step 2.17);
2.8) packet accouter adds up one;
2.9) check that message is provided with rule;
2.10) judge whether to be filtered? be to enter step 2.11); Otherwise enter step 2.12);
2.11) put first message sheet and filtered mark, and abandon this message sheet, go to step 2.17);
2.12) put first message sheet and be not filtered mark, the matching message counting adds up one;
2.13) judge that the matching message counting reaches the alarming threshold setting? be to enter step 2.15); Otherwise enter step 2.14);
2.14) clear transmission alarm/accounting message mark, and abandon this message sheet, go to step 2.17);
2.15) the matching message counting of resetting, and the content of revising this message sheet is the warning information content;
2.16) put transmission alarm/accounting message mark, and send this message sheet;
2.17) finish.
According to failure diagnosis provided by the invention and alarm method, described script argument comprises that packet accouter, message coupling is provided with rule, matching message counting, alarming threshold setting, whether allows the statistical information message, whether allows the long-range encapsulation of message or is used for one or more of supplementary that teletransmission makes an addition to header.
According to failure diagnosis provided by the invention and alarm method, described group is " puppet " multicast group, " puppet " multicast group does not participate in common operation exchange, as multicast service exchange, when only in the end sending follow-up cutout place service port, network processing unit is copied to the diagnosis traffic flow port according to what the multicast replication principle sent a this Business Stream.
According to failure diagnosis provided by the invention and alarm method, described " puppet " multicast group is handled, in conjunction with shown in Figure 3, in step 220) after message switching handles, it is multicast message that transmission indicates, be sent to step 230) when dispatching processing, scheduling adopts message to duplicate many parts of back transmissions, enters step 240 again) the script processing.
According to failure diagnosis provided by the invention and alarm method, this method is also used the diagnosis main frame, and described diagnosis main frame obtains described message at near-end and analyzes.
According to failure diagnosis provided by the invention and alarm method, this method is also used the diagnosis main frame, and described diagnosis main frame obtains described message at long-range destination address and analyzes.
According to failure diagnosis provided by the invention and alarm method, this method is in step 2.16) in also comprise before sending this message sheet: add long-range destination address, encapsulate again for described message.
According to failure diagnosis provided by the invention and alarm method, this method is also used alarm host machine or device, produces according to described warning information message automatically and reports to the police.
According to failure diagnosis provided by the invention and alarm method, described spare traffic flow ports can be to reserve in advance, exist in advance or interim the establishment.
According to failure diagnosis provided by the invention and alarm method, described diagnosis main frame and alarm host machine or device integrate.
According to failure diagnosis provided by the invention and alarm method, described group setting, the setting of described script argument and the use of described spare traffic flow ports can receive its connection corresponding operating control command that computer sent by the CPU operation-interface (14) of described network processing unit and finish.
A kind of wideband switch-in business failure diagnosis provided by the invention and alarm method, make full use of the linear speed disposal ability of network processing unit, CPU intervenes less, do not influence equipment operation, all simultaneously diagnosis are at the diagnosis flow port, for very little by the service impact of diagnostic port, adopt the auxiliary concrete diagnostic mode of near-end, far-end and script to make things convenient for diagnosis person simultaneously, greatly satisfied diagnostic requirements and automatic warning demand.
Description of drawings
Further the present invention is described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the composition schematic diagram of IP DSLAM.
Fig. 2 is the position of network processing unit in IP DSLAM shown in Figure 1.
Fig. 3 is that the network processing unit general service is handled framework.
Fig. 4 is that the stream mirror of the specific embodiment of the invention is to schematic diagram.
Fig. 5 is that the network processing unit script corresponding with the inventive method handled one schematic flow sheet.
Fig. 6 is that the network processing unit script corresponding with the inventive method handled one schematic flow sheet.
Embodiment
At first, basis of the present invention is described: the network processing unit linear speed is handled, and its general service is handled framework as shown in Figure 3, comprises step: 210) input; 220) message switching is handled; 230) scheduling is handled; 240) script is handled; 250) output.
Further, three kinds of concrete diagnostic modes that the present invention adopts are described respectively, wherein:
(1) near-end diagnosis: utilize the mirror image technology of Business Stream to realize to the Business Stream no-interference diagnosis
1) need to determine the on-line traffic flow port of analysis as traffic flow port to be diagnosed;
2) select spare traffic flow ports as the diagnosis traffic flow port;
3) carry out following operation by the CPU mouth: will wait to diagnose traffic flow port and diagnosis traffic flow port to place one " puppet " multicast group, pseudo-multicast group does not participate in common operation exchange, as multicast service exchange, when only in the end sending the online service port in follow-up cutout place, network processing unit is copied to the diagnosis traffic flow port according to what the multicast replication principle sent a this Business Stream;
4) each message switching in the copy Business Stream all will be moved script one time before diagnosing traffic flow port, but this script is not carried out any and the action long-range encapsulation process of message;
5) failure diagnosis person grasps message analysis at diagnosis traffic flow port place;
(2) remote diagnosis: utilize heavily to encapsulate after the script treatment technology realization follow-up cutout sampling in the network processing unit to reach remote analysis
1) need to determine the on-line traffic flow port of analysis as traffic flow port to be diagnosed;
2) select spare traffic flow ports as the diagnosis traffic flow port;
3) will wait to diagnose traffic flow port and diagnosis traffic flow port to place one " puppet " multicast group;
4) carry out following operation by the CPU mouth: the script place in diagnosis traffic flow port correspondence is provided with some script argument information relevant with teletransmission;
5) each message switching in the copy Business Stream all will be moved script one time before diagnosing traffic flow port, and the relevant information that this script is provided with according to diagnosis person is again with this message encapsulation.Add the related remote destination address information in this message, guarantee that the message after packed can be sent to the remote diagnosis main frame;
Wherein:
(1) script of planting the diagnosis traffic flow port place correspondence of mode filters or the transparent transmission mode for the copy Business Stream employing of process;
The script of the diagnosis traffic flow port place correspondence of (two) kind mode encapsulates the back teletransmission again for the copy Business Stream of process;
(3) script auxiliary diagnosis: make full use of the processing capacity of network processing unit script, realize treating the copy Business Stream statistical information of diagnosis Business Stream, the depth analysis of warning information.
1) need to determine the on-line traffic flow port of analysis as traffic flow port to be diagnosed;
2) select physical outlet be the specific transactions flow port of cpu port as the mirror of waiting to diagnose traffic flow port to port, just diagnose traffic flow port;
3) carry out following operation by the CPU mouth: will wait to diagnose traffic flow port and diagnosis traffic flow port to place one " puppet " multicast group;
4) carry out following operation by the CPU mouth: some and statistics, script argument information that alarm function is relevant are set at the script place of diagnosis traffic flow port correspondence;
5) script at this diagnosis traffic flow port place realizes abandoning the diagnosis original message, and the trigger condition that is provided with according to script argument realizes producing automatically warning message, statistical information message;
6) the CPU mouth is received through script and is handled warning message, the statistical information message that the back produces automatically, is further analyzed historical statistics information, the abnormal traffic stream information of follow-up cutout;
(1), the script information of above-mentioned diagnosis traffic flow port place correspondence all is provided with by the CPU mouth in (two) and (three) mode.
At last, specify the use of diagnostic method of the present invention, mainly may further comprise the steps:
Step 1: select to provide the CPU network processing unit that interface is set of operation, can be used to finish following task by the cpu i/f setting:
1. finish the establishment of " puppet " multicast group, and will wait to diagnose traffic flow port and one or more diagnosis traffic flow port to place same multicast group, the mirror of finishing Business Stream is to function, and the mirror of Business Stream is to being the prerequisite that the present invention is implemented;
2. finish the script argument setting of a plurality of diagnosis traffic flow port, the setting of script argument is the assurance of finally being implemented of the present invention.Of the present invention enforcement successfully is the correct setting to script argument.
Step 2: beginning traffic failure location, grasp message analysis at appropriate location, the diagnosis traffic failure: during fault location,, can realize by adjusting script argument in order to adjust the actual message rate that grabs diagnosis traffic flow port stream.
Step 3: winding-up fault location
1. will wait to diagnose Business Stream end and all diagnosis traffic flow port to delete, delete this multicast group at last from corresponding multicast group;
2. all diagnosis traffic flow port are deleted one by one, and reclaim corresponding resource, comprise the corresponding script resource;
Wherein, (one) diagnosis traffic flow port:
(1) must be idle traffic flow port; If do not exist, create this traffic flow port earlier;
(2) can choose diagnosis traffic flow port more than 1 or 1, can accept or reject according to the actual needs;
Usually choose the diagnosis traffic flow port: at least one, optionally reach three or more;
At least one is used for the extracting analysis of original message;
At least one is used for teletransmission analysis after the long-range encapsulation;
At least one is used to wait to diagnose the alarming processing/statistics of Business Stream;
As shown in Figure 4, diagnostic method one concrete the use in the case of the present invention waited to diagnose the Business Stream end to choose three diagnosis traffic flow port with regard to one and chosen, respectively to original Business Stream A, and Business Stream A promptly to be diagnosed; The mirror of Business Stream A to be diagnosed is to stream: copy Business Stream B, C and D, wherein:
Copy Business Stream B is used for directly grasping the message diagnosis;
Copy Business Stream C, the message of teletransmission after being used for encapsulating again;
Copy Business Stream D is used for the generation of accounting message, warning message, flows to CPU mouth 14;
(2) script argument:
(1) takes into account three kinds of diagnostic modes of the present invention and choose script argument with uniform principles;
(2) adopt concisely script handling process efficiently, avoid influencing the wire-speed forwarding capability of network processing unit;
(3) number of script argument is deleted according to the number decision of the size of the parameter region of network processing unit reality, the actual Business Stream of having created or is added;
In the present invention, following script argument need be set, be described as follows:
(1) packet accouter: the message number that statistics adds up, message of the every processing of script adds up 1 with this packet counting;
(2) the message coupling is provided with rule: the type of message that the indication script is paid close attention to, as all messages, part message (as the FTP message) etc.;
(3) the sampling message at interval: the indication script just triggers a diagnostics routines every how many matching messages and handles;
(4) matching message counting: message that the match is successful of the every processing of script, this counting adds up 1;
(5) alarming threshold setting: if in sampling message interval, the actual match packet counting arrives this thresholding, triggers the generation of warning message and accounting message automatically, and delivers to the CPU mouth and handle;
(6) whether allow the automatic generation and the transmission of statistical information message, warning message;
(7) whether allow to transmit after the long-range encapsulation of message;
(8) be used for the supplementary that teletransmission makes an addition to header;
Three kinds of diagnostic modes of the inventive method, all can realize by the corresponding script that the diagnosis traffic flow port correctly is set, the diagnostic method one concrete corresponding script that adopts in the case that uses of the present invention as shown in Figure 4, concrete handling process such as Fig. 5 and 6 below specify:
(1) at first the message processing of network processing unit script is once described:
(1) when message enters network processing unit inside, need message fragment is become the message sheet of fixed size, what actual script was handled is each message sheet; The first message sheet that network processing unit provides each message sheet to belong to a message to script simultaneously, or the indication of the message sheet of middle message sheet or afterbody.
(2) if script argument is provided with when allowing the long-range encapsulation of message to transmit, the header that network processing unit exports for this Business Stream need reserve the space of the supplementary of appointment automatically, to be used for the adding supplementary that teletransmission is used when script is handled.
(2) near-end and remote diagnosis use copy Business Stream B, the corresponding script of C port, and handling process may further comprise the steps as shown in Figure 5:
500) beginning;
510) do you judge the whether first message sheet receive? be to enter step 520); Otherwise enter step 521);
521) do you judge that first message sheet filters? be to enter step 5210); Otherwise enter step 5211);
5210) abandon this message sheet, go to step 590);
5211) send this message sheet, go to step 590);
520) packet accouter adds up one;
530) check that message is provided with rule;
540) judge whether to be filtered? be to enter step 551); Otherwise enter step 550);
551) put first message sheet and filtered mark, and abandon this message sheet, go to step 590);
550) put first message sheet and be not filtered mark, the matching message counting adds up one;
560) need to judge whether long-range encapsulation to transmit? be to enter step 570); Otherwise enter step 580);
570) use the long-range encapsulation parameter information that provides to revise the head of message sheet;
580) send this message sheet;
590) finish.
(2) the script auxiliary diagnosis uses the corresponding script of copy Business Stream D port, and handling process may further comprise the steps as shown in Figure 6:
600) beginning;
610) do you judge the whether first message sheet receive? be to enter step 620); Otherwise enter step 621);
621) do you judge that first message sheet filters? be to enter step 622); Otherwise enter step 6210);
6210) do you judge whether afterbody message sheet receive and the mark set that sends alarm/accounting message? be to enter step 6211); Otherwise enter step 622);
6211) content of revising this message sheet is the statistical information content;
6212) send this message sheet, go to step 690);
622) abandon this message sheet, go to step 690);
620) packet accouter adds up one;
630) check that message is provided with rule;
640) judge whether to be filtered? be to enter step 651); Otherwise enter step 650);
651) put first message sheet and filtered mark, and abandon this message sheet, go to step 690);
650) put first message sheet and be not filtered mark, the matching message counting adds up one;
660) do you judge that the matching message counting reaches the alarming threshold setting? be to enter step 670); Otherwise enter step 671);
671) clear transmission alarm/accounting message mark, and abandon this message sheet, go to step 690);
670) reset matching message counting, and the content of revising this message sheet is the warning information content;
680) put transmission alarm/accounting message mark, and send this message sheet;
690) finish.
Claims (10)
1. wideband switch-in business failure diagnosis and alarm method is characterized in that, adopt the Business Stream mirror image technology on broadband access equipment, may further comprise the steps:
1.1) group is set: determine on-line traffic flow port to be diagnosed, choose diagnosis and be arranged in the group with spare traffic flow ports and with them;
1.2) copy: when network processing unit (13) waits to diagnose Business Stream A to described on-line traffic flow port transmission, copy this Business Stream by the multicast mode at described spare traffic flow ports and generate copy Business Stream D;
1.3) script handles: abandon diagnosis among the described copy Business Stream D and generate automatically with original message, according to the trigger condition of script argument setting and alarm or the statistical information message;
1.4) diagnosis and report to the police: analyze that described statistical information message is diagnosed or produce warning automatically according to described warning information message.
2. according to described failure diagnosis of claim 1 and alarm method, it is characterized in that described script is handled and specifically be may further comprise the steps:
2.1) beginning;
2.2) judge the whether first message sheet receive? be to enter step 2.8); Otherwise enter step 2.3);
2.3) judge that first message sheet filters? be to enter step 2.7); Otherwise enter step 2.4);
2.4) judge whether afterbody message sheet receive and the mark set that sends alarm/accounting message? be to enter step 2.5); Otherwise enter step 2.7);
2.5) content of revising this message sheet is the statistical information content;
2.6) send this message sheet, go to step 2.17);
2.7) abandon this message sheet, go to step 2.17);
2.8) packet accouter adds up one;
2.9) check that message is provided with rule;
2.10) judge whether to be filtered? be to enter step 2.11); Otherwise enter step 2.12);
2.11) put first message sheet and filtered mark, and abandon this message sheet, go to step 2.17);
2.12) put first message sheet and be not filtered mark, the matching message counting adds up one;
2.13) judge that the matching message counting reaches the alarming threshold setting? be to enter step 2.15); Otherwise enter step 2.14);
2.14) clear transmission alarm/accounting message mark, and abandon this message sheet, go to step 2.17);
2.15) the matching message counting of resetting, and the content of revising this message sheet is the warning information content;
2.16) put transmission alarm/accounting message mark, and send this message sheet;
2.17) finish.
3. according to claim 1 or 2 described failure diagnosis and alarm methods, it is characterized in that described script argument comprises that packet accouter, message coupling is provided with rule, matching message counting, alarming threshold setting, whether allows the statistical information message, whether allows the long-range encapsulation of message or is used for one or more of supplementary that teletransmission makes an addition to header.
4. according to described failure diagnosis of claim 1 and alarm method, it is characterized in that this method is also used the diagnosis main frame, described diagnosis main frame obtains described message at near-end and analyzes.
5. according to described failure diagnosis of claim 1 and alarm method, it is characterized in that this method is also used the diagnosis main frame, described diagnosis main frame obtains described message at long-range destination address and analyzes.
6. according to claim 2 or 5 described failure diagnosis and alarm methods, it is characterized in that this method is in step 2.16) in also comprise before sending this message sheet: add long-range destination address, encapsulate again for described message.
7. according to described failure diagnosis of claim 1 and alarm method, it is characterized in that this method is also used alarm host machine or device, produce according to described warning information message automatically and report to the police.
8. according to claim 4,5 or 7 described failure diagnosis and alarm methods, it is characterized in that described diagnosis main frame and alarm host machine or device integrate.
9. according to the described method for diagnosing faults of claim 1, it is characterized in that described spare traffic flow ports can be to reserve in advance, exist in advance or interim the establishment.
10. according to described failure diagnosis of claim 1 and alarm method, it is characterized in that, described group setting, the setting of described script argument and the use of described spare traffic flow ports can receive its connection corresponding operating control command that computer sent by the CPU operation-interface (14) of described network processing unit and finish.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2006101497572A CN101193002A (en) | 2006-11-20 | 2006-11-20 | A fault diagnosis and alarming method for broadband access service |
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| CNA2006101497572A CN101193002A (en) | 2006-11-20 | 2006-11-20 | A fault diagnosis and alarming method for broadband access service |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011088692A1 (en) * | 2010-01-22 | 2011-07-28 | 中兴通讯股份有限公司 | Methtod and system for diagnosing access node |
| CN102291253A (en) * | 2011-07-05 | 2011-12-21 | 苏州阔地网络科技有限公司 | Early warning method and early warning device for message security in network communication |
| CN102387032A (en) * | 2011-09-03 | 2012-03-21 | 四川公用信息产业有限责任公司 | Self diagnosis platform for broadband clients |
| CN104320388A (en) * | 2014-10-13 | 2015-01-28 | 杭州海兴电力科技股份有限公司 | S-FSK carrier based active alarming method |
| CN106982179A (en) * | 2016-12-30 | 2017-07-25 | 中国银联股份有限公司 | A kind of method for controlling network flow and switch device |
| CN108449235A (en) * | 2018-05-07 | 2018-08-24 | 苏州德姆斯信息技术有限公司 | Equipment alarm calculation processing system and processing method |
-
2006
- 2006-11-20 CN CNA2006101497572A patent/CN101193002A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011088692A1 (en) * | 2010-01-22 | 2011-07-28 | 中兴通讯股份有限公司 | Methtod and system for diagnosing access node |
| US9077556B2 (en) | 2010-01-22 | 2015-07-07 | Zte Corporation | Method and system for diagnosing access node |
| CN102291253A (en) * | 2011-07-05 | 2011-12-21 | 苏州阔地网络科技有限公司 | Early warning method and early warning device for message security in network communication |
| CN102387032A (en) * | 2011-09-03 | 2012-03-21 | 四川公用信息产业有限责任公司 | Self diagnosis platform for broadband clients |
| CN104320388A (en) * | 2014-10-13 | 2015-01-28 | 杭州海兴电力科技股份有限公司 | S-FSK carrier based active alarming method |
| CN106982179A (en) * | 2016-12-30 | 2017-07-25 | 中国银联股份有限公司 | A kind of method for controlling network flow and switch device |
| WO2018121397A1 (en) * | 2016-12-30 | 2018-07-05 | 中国银联股份有限公司 | Network traffic control method and switch device |
| CN108449235A (en) * | 2018-05-07 | 2018-08-24 | 苏州德姆斯信息技术有限公司 | Equipment alarm calculation processing system and processing method |
| CN108449235B (en) * | 2018-05-07 | 2023-12-12 | 苏州德姆斯信息技术有限公司 | Equipment alarm calculation processing system and processing method |
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