CN100502308C - A method for file preparation and notice re-sending of the network management interface - Google Patents
A method for file preparation and notice re-sending of the network management interface Download PDFInfo
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- CN100502308C CN100502308C CNB2006100111245A CN200610011124A CN100502308C CN 100502308 C CN100502308 C CN 100502308C CN B2006100111245 A CNB2006100111245 A CN B2006100111245A CN 200610011124 A CN200610011124 A CN 200610011124A CN 100502308 C CN100502308 C CN 100502308C
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Abstract
This invention discloses one method of network interface file preparation and inform method in the file transmission process, which comprises the following steps: a, defining file scan timer in the system to scan the said file sent to the management system to judge whether it is over due or sent; b, within one report circle, each network management system determines whether to inform or send file preparation information according to each file status.
Description
Technical field
The present invention relates to moving communicating field, particularly the notice retransmission mechanism between network management system and the Element management system.
Background technology
Interface between network management system (nms) and the Element management system (EMS) is called the Itf-N interface.EMS mainly finishes the management function of NE management layer (EML) among ITU (International Telecommunications Union) TMN (telecommunication management network), promptly finishes the management function of one or more mobile communication equipments, and the EMS between the distinct device supplier can't be general usually.NMS mainly finishes the management function of NML among the ITU TMN (NML), is responsible for the management of all network elements in the managed network (hereinafter referred to as subnet).For the situation that has a plurality of equipment suppliers in the subnet, can manage the purpose that realizes managing whole subnet by EMS.
In the Itf-N interface, defined file transfer mechanism, be used between NMS and EMS, transmitting file.Wherein, performance data files and alarm data file are two typical application.
In order to obtain the service data of whole network, in order to evaluating network running performance index, phase-split network performance or carry out other processing, the Itf-N interface provides the task of measuring performance management interface.NMS creates a task of measuring performance to the EMS request, and EMS in the Measuring Time section of agreement, reports the performance measurement parameter of collecting to NMS after creating the task of measuring performance success, and reporting mode is the file transfer mode.Idiographic flow is that EMS reports " file is prepared notice " to NMS after being ready to performance data files, obtain corresponding performance data files by FTP (file transfer protocol (FTP)) from EMS after NMS is notified.If after the report cycle time arrived, EMS can't be ready to performance data files for some reason, then send " file preparation failure notification " to inform NMS.
In addition, when data volume is bigger, between NMS and EMS, adopt file transfer to carry out alarm synchronization than the efficient height that adopts the iterator transmission.When EMS receive that NMS initiates obtain the alarm list operation time, at first alarm list is become file according to the format organization of normalized definition, report " file is prepared notice " to NMS then.In the prior art, NMS only receiving under the situation of " file prepare notice ", just may arrive on the EMS of appointment and obtain performance data files.Yet in the real network running, because the physical communication between NMS and the EMS is telecommunication normally, therefore under the situation that interface flows such as synchronous, alarm windstorm overload, can take place to lose, thereby cause NMS can't obtain performance data files because of NMS or EMS notice buffering area overflow " file is prepared notice " that cause.
Summary of the invention
Technical problem to be solved by this invention provides a kind of file and prepares the notice retransmission mechanism, to solve the problem that file preparation notice is lost easily in the prior art, the NMS that causes thus can't obtain corresponding data file, thereby cause the problem that performance statistic is inaccurate, can not correctly assess network running quality and network performance, and the warning information between NMS and the EMS is inconsistent, thus the problem that influences the normal operation of network and safeguard.
To achieve these goals, the file that has proposed a kind of network management interface is prepared the method that notice is retransmitted, be used for the document transmission process between network management system and the Element management system, may further comprise the steps: step 1, at described Element management system first after described network management system sends file and prepares notification message, startup file scanning timer, come described scanning timer then after, according to the file of file process strategy scanning needs, therefrom find out as yet the not file of transmission to described network management system transmission; And step 2, find described need in the file of described network management system transmission, exist file status to be the file that does not transmit after, described Element management system sends the file that reorganizes to described network management system and prepares notice.
Wherein, described file status is defined by described Element management system, comprise: be ready to not transmission state, promptly described file sends at described Element management system and has been ready to when file is prepared notice, and can not confirm whether obtained by described network management system; Be ready to transmission state, promptly described file sends at described Element management system and has been ready to when file is prepared notice, and confirms to be obtained by described network management system; Expired not transmission state, promptly file has exceeded the predetermined deletion time limit that file is prepared definition in the notice, and can not confirm whether obtained by described network management system; And expired transmission state, promptly described file has exceeded the predetermined deletion time limit that file is prepared definition in the notice, and confirms to be obtained by described network management system.It is noted that according to different file process strategies, above-mentionedly be ready to that transmission state and expired transmission state may not exist.
In described step 1, described file scanning timer is set up by described Element management system and is safeguarded, its cycle time can prepare to notify the time interval of retransmitting to require to set according to system loading situation and described network management system to file by described Element management system.
Described step 1 further comprises: described file scanning timer then before, according to the file process strategy, described Element management system is handled described network management system downloaded files.
Here, described file process strategy is the deleted file strategy, described network management system downloaded files is handled being specially and will being downloaded by described network management system, file deletion.In this case, previously definedly be ready to that transmission state and expired transmission state will not exist.
Described file scanning timer then after, the described file that transmits to described network management system according to file process strategy scanning needs comprises: utilize described file scanning timer to scanning to the file of described network management system transmission, and judge that to the title of the file of described network management system transmission it is expired, is provided with corresponding file expiration state according to described needs.
In addition, described file process strategy can also be for being provided with the file status strategy, described network management system downloaded files handled being specially described file mark that described network management system had been downloaded for transmitting.
Described file scanning timer then after, the described file that transmits to described network management system according to file process strategy scanning needs comprises: step a, utilize described file scanning timer to scanning to the file of described network management system transmission, and according to the needs that are scanned to the transmission of described network management system title judge that it is expired, is provided with corresponding file expiration state; And step b, described Element management system judges, described be scanned need be to the file status of the file of described network management system transmission for after transmitting; With its deletion or do not process.
It is noted that described Element management system in the described file that reorganizes is prepared to notify, dated its attached most importance to and sent out public notice.
In addition, described Element management system is in the operation that described network management system is initiated described network management system downloaded files to be handled.
By method of the present invention, can solve in the prior art owing to file is prepared notice and lost and cause file to obtain failure and/or wrong problem, thereby make network management system can obtain required performance data files and/or alarm data file in time, accurately, with the normal operation of maintaining network.
The present invention is described in detail below in conjunction with drawings and embodiments.
Description of drawings
Fig. 1 is the then back file process flow chart according to the deleted file strategy of timer;
Fig. 2 is then back according to the file process flow chart that the file status strategy is set for timer; And
Fig. 3 be according to the present invention between NMS and EMS file prepare the flow chart that notice is retransmitted.
Embodiment
In the present invention, EMS has defined four kinds of states to Itf-N interface data file (being designated hereinafter simply as file or data file), that is, be ready to not transmit, be ready to transmit, the expired transmission and expired transmission.Wherein, the file that " is ready to not transmit " is meant that EMS has been ready to and can not confirms the file that NMS has obtained when sending " file is prepared notice "; The file that " is ready to transmit " refers to that EMS has been ready to and confirms the file that NMS has obtained when sending " file is prepared notice "; The file of " expired transmit " refers to exceed that predetermined deletion time limit and EMS of definition confirms the file that NMS has obtained in " file is prepared notice "; The file of " expired not transmission " refers to that file exceeds the predetermined deletion time limit and the EMS that define in " file is prepared notice " and can not confirm the file that NMS has obtained.Simultaneously, set up corresponding catalogue, file is stored under the respective directories respectively by its described state, so that search and access according to these four kinds of file status.
Simultaneously, in EMS, defined Itf-N interface data file scanning timer (being designated hereinafter simply as timer), be used for scanning to the NMS transmission data file, thereby judge according to the outdated information of file name whether file is expired.If file is expired according to judging, the state that this document then is set is expired.Wherein, set up when timer sends " file is prepared notice " message first at EMS, and its cycle time is less than predetermined file deletion time and the interval between the creation-time.
In addition, in the file_download_indication operation that NMS initiates, EMS is one of following two kinds of strategies to the processing policy of NMS file in download.
Strategy 1 is the deleted file strategy, that is, downloaded by NMS if EMS determines certain file, then with its deletion.Like this, timer then after, remaining is exactly to can not determine by the NMS downloaded files, i.e. the file of transmission not.
Fig. 1 is the then back file process flow chart according to the deleted file strategy of timer.As shown in Figure 1, at first remaining file is scanned, and judge according to the title of file whether this document is expired, corresponding file expiration state (S101) is set simultaneously by timer; Then, reorganize " file is prepared notice " message by EMS, and in this message, indicate its be " retransmit and notify " (S102); Afterwards, resend " file is prepared notice " by EMS to NMS.It is noted that the data file of at this moment having transmitted will can not be marked as " being ready to transmit " state or " expired transmit " state.That is to say that when adopting the deleted file strategy, this two states will can not exist.
Strategy 2 is for being provided with the file status strategy, that is, the data file that EMS had downloaded NMS is labeled as transmission state.Like this, timer then after, can search the not file of transmission by the transmission state of judging file.
Fig. 2 is then back according to the file process flow chart that the file status strategy is set for timer.As shown in Figure 2, at first all files are scanned, and, judge by file name whether this document is expired, corresponding file expiration state (S201) is set simultaneously according to the result who scans; Then, judge that by EMS whether its state is for transmitting (S202) for these files; If, then delete this document or it does not processed (S203), if not, then reorganize " file is prepared notice " message by EMS, and in this message, indicate its be " retransmit and notify " (S204); Afterwards, resend " file is prepared notice " by EMS to NMS.
Below be example just with an execution mode, and in conjunction with the accompanying drawings the present invention is elaborated.
Fig. 3 be according to the present invention between NMS and EMS file prepare the flow chart that notice is retransmitted.As shown in Figure 3, the step that file sends between NMS and the EMS comprises:
Step 1, NMS obtains alarm list operation (S11) to EMS request establishment task of measuring performance or initiation, and afterwards, EMS response NMS creates corresponding task and prepares data file (S12);
Step 2 after report cycle arrives, judges whether required file is ready to (S13); If, then EMS mark this document state is for " being ready to not transmit " and to NMS transmission " file is prepared notice " message first, obtain this document (S14) with notice NMS to specifying on the EMS, execution in step 3 afterwards, otherwise, if EMS can't be ready to file for some reason, then send " file preparation failure notification " informing NMS (S15), and finish this process of transmitting;
Step 3, EMS starts timer (S16);
Step 4, in the file_download_indication operation that NMS initiates, EMS handles (S17) according to the file process strategy of setting to NMS downloaded files, as previously mentioned, if adopt strategy 1, the file deletion that then will download if adopt strategy 2, then becomes transmission state with NMS downloaded files mark;
Step 5, timer is then after (S18), EMS is according to foregoing file process strategy scanning All Files, search the file that all do not transmit, comprise that state is the file of " being ready to not transmit " and/or the file of " expired not transmission ", and record comprises the corresponding document information (S19) of filename, document location, file size and file format etc.
Step 6 for these files that find, resends " file is prepared notice " message by EMS to NMS, to transmit these files (S20) once more.
Like this, just realized the repeating transmission that file is prepared notice between NMS and EMS.Next, above-mentioned two kinds of file process strategies are described further.
Though should be pointed out that invention has been described by above-mentioned execution mode, yet the present invention also can have other numerous embodiments.Without departing from the spirit and scope of the present invention; those of ordinary skill in the art obviously can make various corresponding changes and distortion to the present invention, but these changes and distortion all should belong in the scope that claims of the present invention and equivalent thereof protect.
Claims (10)
1, a kind of file of network management interface is prepared the method that notice is retransmitted, and is used for the transmission course of the file between network management system and the Element management system, it is characterized in that, may further comprise the steps:
Step 1, at described Element management system first after described network management system sends file and prepares notification message, start the scanning timer, come described scanning timer then after, according to the file of file process strategy scanning needs, therefrom find out as yet the not file of transmission to described network management system transmission; And
Step 2, find described need in the file of described network management system transmission, exist file status to be the file that does not transmit after, described Element management system sends the file that reorganizes to described network management system and prepares notice.
2, method according to claim 1 is characterized in that, described file status is defined by described Element management system, comprising:
Be ready to not transmission state, promptly described file sends at described Element management system and has been ready to when file is prepared notice, and can not confirm whether obtained by described network management system;
Be ready to transmission state, promptly described file sends at described Element management system and has been ready to when file is prepared notice, and confirms to be obtained by described network management system;
Expired not transmission state, promptly file has exceeded the predetermined deletion time limit that file is prepared definition in the notice, and can not confirm whether obtained by described network management system; And
Expired transmission state, promptly described file have exceeded the predetermined deletion time limit that file is prepared definition in the notice, and confirm to be obtained by described network management system.
3, method according to claim 1, it is characterized in that, in described step 1, described file scanning timer is set up by described Element management system and is safeguarded, its cycle time prepares notify the time interval of retransmitting to require set according to system loading situation and described network management system to file by described Element management system.
4, according to claim 1,2 or 3 described methods, it is characterized in that described step 1 also comprises:
Described file scanning timer then before, according to described file process strategy, described Element management system is handled described network management system downloaded files.
5, method according to claim 4 is characterized in that, described file process strategy is the deleted file strategy, described network management system downloaded files is handled to be specially described network management system downloaded files is deleted.
6, method according to claim 5 is characterized in that, described scanning timer then after, describedly comprise according to the file of file process strategy scanning needs to described network management system transmission:
Utilize described file scanning timer to need scanning, and judge that to the title of the file of described network management system transmission it is expired, is provided with corresponding file expiration state according to described needs to the file of described network management system transmission.
7, method according to claim 4, it is characterized in that, described file process strategy is for being provided with the file status strategy, described network management system downloaded files handled to be specially described network management system downloaded files is labeled as transmit.
8, method according to claim 7 is characterized in that, described file scanning timer then after, describedly comprise to the file of described network management system transmission according to file process strategy scanning needs:
Step a, utilize described file scanning timer to scanning to the file of described network management system transmission, and judge that to the title of the file of described network management system transmission it is expired, is provided with corresponding file expiration state according to the needs that are scanned; And
Step b, if described Element management system judge, described be scanned need be to the file status of the file of described network management system transmission for after transmitting; With its deletion or do not process.
According to claim 1,6 or 8 described methods, it is characterized in that 9, described Element management system is prepared in the notice at the described file that reorganizes, dated its attached most importance to and sent out public notice.
10, method according to claim 4 is characterized in that, described Element management system is handled described network management system downloaded files in the operation that described network management system is initiated.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100111245A CN100502308C (en) | 2006-01-06 | 2006-01-06 | A method for file preparation and notice re-sending of the network management interface |
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| CNB2006100111245A CN100502308C (en) | 2006-01-06 | 2006-01-06 | A method for file preparation and notice re-sending of the network management interface |
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| CN100502308C true CN100502308C (en) | 2009-06-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283704A (en) * | 2013-07-05 | 2015-01-14 | 中兴通讯股份有限公司 | Method and device for northbound interface to send notification event |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101534526B (en) * | 2008-03-14 | 2011-04-20 | 中兴通讯股份有限公司 | Base station system grade warning synchronization method |
| CN101304430B (en) * | 2008-06-30 | 2012-07-04 | 中兴通讯股份有限公司 | Method and system for forwarding north direction document of telecommunication network management system |
| CN101765248B (en) * | 2008-12-25 | 2012-10-03 | 中兴通讯股份有限公司 | Management method and system of performance file |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283704A (en) * | 2013-07-05 | 2015-01-14 | 中兴通讯股份有限公司 | Method and device for northbound interface to send notification event |
| CN104283704B (en) * | 2013-07-05 | 2019-03-12 | 中兴通讯股份有限公司 | A kind of northbound interface sends the method and device of notification event |
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| CN1996873A (en) | 2007-07-11 |
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