CN101997704A - Method, device and network management server for realizing element location link state polling - Google Patents
Method, device and network management server for realizing element location link state polling Download PDFInfo
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Abstract
The invention provides a method, device and network management server for realizing element location link state polling. The method comprises the following steps of: sending the detection message at the first work threading to send detection information for a plurality of element locations to be polled in a traversal manner; and processing the response result at the second work threading to determine the link state of the element locations to be polled according to the obtained response results, wherein the link state corresponds to the response results, and the first work threading and the second work threading are mutually independent. The invention can be used for improving the rolling timeliness while greatly reducing the system threading expense.
Description
Technical field
The present invention relates to the telecommunicatioin network management field, particularly relate to a kind of method, device and NM server of realizing the network element link status poll.
Background technology
Poll is the basic function of network management system, is exactly NM server to its all network elements of managing by sending the mode of probe message, detect with each network element whether can normal communication, to determine that network element is whether under by controlled state.
Under most of situation, managed element has all been installed Simple Network Management Protocol (Simple NetworkManagement Protocol, SNMP) agency, NM server is by sending snmp message to managed element, judge the communication condition between NM server and the managed element by whether receiving response message.Fig. 1 shows in the network management system schematic diagram that concerns between the NM server and managed element.
The method of the realization network element link status poll that prior art is commonly used is a multithreading synchronous polling mode.Fig. 2 is the schematic flow sheet of an independent worker thread in the synchronous polling of prior art.In the synchronous polling of prior art, net element information will be read successively, and send SNMP probe message wait-for-response then according to its IP address, wait the poll of finishing a network element after, just take turns to next network element.As Fig. 2, in the synchronous polling of prior art, in an independent worker thread, comprise the steps:
The inventor finds that the defective of the above-mentioned polling mode of prior art is in realizing process of the present invention: when certain network element is obstructed, need waits for a period of time and find do not have response message can learn that just the network element of this poll is unreachable.The time length of above-mentioned wait is configurable, generally is 15 seconds.Illustrate, have only a worker thread in the supposing the system, and this system has 500 network elements to need poll, if there are 10 network elements obstructed in this network management system, then being polled to the 500th network element could be polled after will waiting until more than 750 seconds at least.Those skilled in the art will appreciate that the most basic requirement of poll is a promptness, promptly can find as early as possible after network element and the webmaster chain rupture, so the above-mentioned poll flow process of prior art is can not be received owing to time of delay is oversize.Utilize the poll of aforesaid way will improve the number that promptness can only increase worker thread, allow thread as much as possible work simultaneously, but can only partly improve promptness like this, can not tackle the problem at its root; Simultaneously bring another serious problem again: use too much thread that overhead is increased, strengthened the load of CPU, the operational efficiency of whole network management system is reduced.
Summary of the invention
The purpose of this invention is to provide a kind of method, device and NM server of realizing the network element link status poll, can't utilize less system thread expense to realize the technical problem of timely poll with the method for the synchronous network element Link State poll that solves prior art.
To achieve these goals, the invention provides a kind of method that realizes the network element link status poll, wherein, comprising:
Probe message forwarding step in that first worker thread is carried out sends probe message in the mode that travels through to a plurality of network elements to be polled;
The response results treatment step of carrying out at second worker thread is determined Link State with the corresponding network element to be polled of described response results according to the response results of obtaining;
Described first worker thread and described second worker thread are separate.
Preferably, described method, wherein,
Described probe message forwarding step comprises: the device of realizing the network link status poll is a network element registration asynchronous communication passage to be polled, and send probe message to described network element to be polled, the corresponding network element to be polled of each asynchronous communication passage by described asynchronous communication passage;
Described response results treatment step comprises: the device of described realization network link status poll obtains the response results of corresponding network element from the passage object of the asynchronous communication passage correspondence of a registration, and determines the Link State of described corresponding network element according to described response results.
Preferably, described method wherein, in described response results treatment step, after determining the Link State of described network element, is nullified described asynchronous communication passage.
Preferably, described method, wherein,
In described response results treatment step, the device of described realization network link status poll continues to determine according to the response results that the next one obtains the Link State of the network element to be polled of described next response results correspondence behind the Link State of determining a network element to be polled.
Preferably, described method, wherein,
In the described probe message forwarding step, when being network element registration asynchronous communication passage to be polled, in the passage object corresponding, preserve the unique identification of described network element to be polled with the asynchronous communication passage of described registration;
In the described response results treatment step, when from the passage object of the asynchronous communication passage correspondence of a registration, obtaining the response results of corresponding network element, obtain the unique identification of the network element of storing in the described passage object.
Preferably, described method wherein, in the described response results treatment step, behind the unique identification that obtains described response results and network element, comprising:
The device of described realization network link status poll judges whether described response results is success response; In this way, then the Link State of definite described unique identification corresponding net element is the communication normal condition; Otherwise the Link State of determining described unique identification corresponding net element is the chain rupture state; Wherein, when described asynchronous communication passage received the response message that described corresponding network element returns in the given time, described response results was success response.
On the other hand, provide a kind of device of realizing the network link status poll, wherein, comprising:
The probe message sending module is used for sending probe message in the mode that travels through to a plurality of network elements to be measured at first worker thread;
The response results processing module is used for determining Link State with the corresponding network element to be polled of described response results at second worker thread according to the response results obtained;
Described first worker thread and second worker thread are separate.
Preferably, described device, wherein,
Described probe message sending module comprises:
Asynchronous communication channel registration module is used to network element registration asynchronous communication passage to be polled, the corresponding network element to be polled of each asynchronous communication passage;
Sending module is used for sending probe message by described asynchronous communication passage to described network element to be polled;
Described response results processing module comprises:
The response results acquisition module is used for obtaining from the asynchronous communication passage of a registration response results of corresponding network element;
The Link State determination module is used for determining according to described response results the Link State of described corresponding network element.
Preferably, described device, wherein, described response results determination module further comprises:
The asynchronous communication passage is nullified module, is used for after determining described Link State, nullifies described asynchronous communication passage.
Another aspect provides a kind of above-mentioned NM server of respectively realizing the device of network link status poll that comprises.
Technique effect of the present invention is:
The invention provides a kind of method of using asynchronous communication mode to realize the network element link status poll, by the step that realizes respectively that at two separate worker threads step that probe message sends and response results are handled, make that NM server can be after sending probe message to a network element, need not to wait for the response of network element, but send probe message to next network element again immediately, and the response message of each network element is in the unified processing of second worker thread, this just means and can carry out poll in the mode of linearity in same thread to a plurality of network elements, and need not to distribute independent thread into each network element, because it is extremely short to send the time of message, so utilize technical scheme of the present invention to send probe message to a large amount of network elements in the short period of time, therefore compare with the synchronous polling method of prior art, utilize polled async method of the present invention in a large amount of minimizing system thread expenses, to improve the promptness of poll.
Description of drawings
Concern schematic diagram in the network management system of Fig. 1 prior art between NM server and the managed element;
Fig. 2 is the schematic flow sheet of the synchronous polling method of prior art;
Fig. 3 is in the method for realization network element link status poll of the embodiment of the invention, the schematic flow sheet of probe message forwarding step;
Fig. 4 is in the method for realization network element link status poll of the embodiment of the invention, the schematic flow sheet of response results treatment step;
Fig. 5 is the structural representation of device of the realization network element link status poll of the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the accompanying drawings and the specific embodiments.
The inventor finds in realizing process of the present invention, the network element link state synchronization polling method of prior art, and in the polling procedure to network element, after network element sent probe message, it returned also to hold over the thread time waiting, therefore expended time in.
The inventor also finds in realizing process of the present invention, the asynchronous communication passage is a kind of mechanism of asynchronous communication, the operating system bottom has the mechanism of this asynchronous communication, and various programming platforms all provide corresponding system function support to visit the asynchronous communication passage of this bottom.The basic principle of asynchronous communication passage technology is for each user provides a communication channel, after giving the asynchronous communication passage, the data that the user will need to send just return, and be message response on the user monitoring passage by system.The inventor finds above-mentioned asynchronous paths technology can be applied in realizing process of the present invention in the poll of network element state and comes so that a kind of asynchronous polling method to be provided, in this asynchronous polling method, for each network element provides an asynchronous communication passage, sending probe message by the asynchronous communication passage to corresponding net element, is response results and need not wait-for-response message.
The invention provides a kind of method that realizes the network element link status poll, the polling method of this method for using asynchronous communication mode to realize, this method comprises: the probe message forwarding step in that first worker thread is carried out sends probe message in the mode that travels through to a plurality of network elements to be polled; The response results treatment step of carrying out at second worker thread is determined Link State with the corresponding network element to be polled of described response results according to the response results of obtaining; Described first worker thread and described second worker thread are separate.
Preferably, realize the poll of said network element Link State by the mode of asynchronous communication passage.
Preferably, described probe message forwarding step comprises: the device of realizing the network link status poll is a network element registration asynchronous communication passage to be polled, and send probe message to described network element to be polled, the corresponding network element to be polled of each asynchronous communication passage by described asynchronous communication passage; Described response results treatment step comprises: the device of described realization network link status poll obtains the response results of corresponding network element from the asynchronous communication passage of a registration, and determines the Link State of described corresponding network element according to described response results.
Exemplarily, above-mentioned response results comprises: success response and failure response; When the asynchronous communication passage received response message with this asynchronous communication passage corresponding net element in the given time, this response results was success response; Otherwise this response is failure response.When response results is success response, show that the communication between network element and the NM server is normal, the link between network element and the NM server is the communication normal condition, network element can reach; When response results is failure response, show that the communication between network element and the NM server is abnormal, the link between network element and the NM server is the chain rupture state, network element is unreachable.
Fig. 3 is in the method for realization network element link status poll of the embodiment of the invention, the schematic flow sheet of probe message forwarding step.In the method for the realization network element link status poll of the embodiment of the invention, the main body that each step is carried out is for realizing the device of network link status poll, promptly having the device of realizing the network link status poll, is that example describes with the NM server in the network management system in Fig. 3 and Fig. 4.As Fig. 3, the flow process of this probe message forwarding step comprises:
Exemplarily, in this step, the information of all network elements to be polled is stored in the NM server in advance, as is stored in the database that is arranged on NM server, and NM server takes out the information of a network element to be polled from this database when poll;
Exemplarily, the information of network element comprises: the IP address information of this network element to be polled, port etc.;
Exemplarily, in this step, NM server is to current asynchronous communication passage of operating system registration; Exemplarily, if the asynchronous communication passage of operating system cannot directly be visited, NM server can be registered the asynchronous communication passage by the various programming platforms that the support of corresponding system function is arranged;
Exemplarily, the unique identification of said network element is the IP address of network element;
Exemplarily, in this step, behind registration asynchronous communication passage, in the passage object of asynchronous communication passage correspondence, preserve the unique identification of above-mentioned network element to be polled;
The characteristics of this probe message transmission flow are: the time utilization of waiting for the network element response, after sending probe message to current network element to be polled and being polling request, need not to wait for that network element returns response message, but at once to the next network element transmission probe message of sending to be polled.Because it is short to send the time compole of message, so can send probe message to a large amount of network elements in the short period of time.And NM server is in the mode of such transmission probe message, just can in same thread, carry out poll to a plurality of network elements in the mode of linearity, and need not to distribute independent thread into each network element, thereby saved the thread expense, in a large amount of minimizing system thread expenses, improved the promptness of poll.
In the method for the network element link status poll of the embodiment of the invention, the response message that each network element returns is handled by second worker thread is unified.The response message processing threads focuses on the response message of receiving, its workflow is: by those asynchronous communication passages of first worker thread registration, check the response message whether network element is arranged on the passage before the traversal, obtain response results, and do respective handling.Because the centre need not any obstruction or wait, therefore can travel through fast, if any network element and network management system chain rupture can be found soon.
Fig. 4 is in the method for network element link status poll of the embodiment of the invention, the schematic flow sheet of response results treatment step.As Fig. 4, the flow process of the response results treatment step of this embodiment comprises:
In this step, NM server is when being checked through the asynchronous communication passage of ready asynchronous communication passage, obtain the unique identification of response results He this asynchronous communication passage corresponding net element of this asynchronous communication passage with response results, the unique identification of this network element be used for the sign with the corresponding network element of this response results, that is with the corresponding network element of this asynchronous communication passage;
Exemplarily, when utilizing the program module realization of the present invention, usually the asynchronous communication passage of all registrations mode with the respective channel object is stored in the memory space, in carrying out this step, normally from this memory space, take out asynchronous communication passage, and from the passage object of asynchronous communication passage correspondence, obtain the unique identification of corresponding response result and corresponding network element with response results with response results;
Step 403 determines that the Link State that this asynchronous communication passage corresponding net element is above-mentioned unique identification corresponding net element is the communication normal condition, and this correspondence network element can reach;
Step 404 determines that the Link State that this asynchronous communication passage corresponding net element is above-mentioned unique identification corresponding net element is the chain rupture state for the communication abnormality state, and this correspondence network element is unreachable;
Step 405 is nullified this asynchronous communication passage;
Different with the synchronous polling method of prior art, in the polling method of this embodiment, be used for carrying out worker thread that probe message sends promptly first worker thread no longer wait for, NM server sends the response message of waiting for network element after the probe message, but continue to send probe message to next one network element to be polled, the response message of all network elements focuses at second worker thread, after NM server is handled the response results of corresponding network element of asynchronous communication passage of a registration, continue to handle the response results of the asynchronous communication passage corresponding net element of next registration.At NM server probe message is sent to the asynchronous communication passage, after the asynchronous communication passage sends this probe message, by the response message on the operating system monitoring asynchronous communication passage, if normally being network element, the link communication between network element and the NM server can reach, the asynchronous communication passage will receive the response message that network element returns in the given time, and then the asynchronous communication passage is exported the response results of a success response; Otherwise if the link chain rupture between network element and the NM server is that network element is unreachable, then the asynchronous communication passage can not receive the response message that network element returns in the given time, and then the asynchronous communication passage is exported the response results of a failure response.Whether NM server obtains the communication link that the response results of asynchronous communication passage determines between network element and the NM server normal.
Fig. 5 is the structural representation of device of the realization network element link status poll of the embodiment of the invention.As Fig. 5, a kind of device of realizing the network link status poll of this embodiment is characterized in that, comprising: probe message sending module 501 is used for sending probe message in the mode that travels through to a plurality of network elements to be measured at first worker thread; Response results processing module 502, be used for determining Link State with the corresponding network element to be polled of described response results at second worker thread according to the response results obtained: described first worker thread and second worker thread are separate.
Preferably, in the device of this embodiment, the probe message sending module comprises: asynchronous communication channel registration module is used to network element registration asynchronous communication passage to be polled, the corresponding network element to be polled of each asynchronous communication passage; Sending module is used for sending probe message by described asynchronous communication passage to described network element to be polled; Described response results processing module comprises: the response results acquisition module is used for obtaining from the asynchronous communication passage of a registration response results of corresponding network element; The Link State determination module is used for determining according to described response results the Link State of described corresponding network element.
Preferably, in the device of this embodiment, described response results determination module further comprises: the asynchronous communication passage is nullified module, is used for after determining described Link State, nullifies described asynchronous communication passage.
Exemplarily, in the specific implementation, the device of above-mentioned realization network link status poll can be implemented as a functional module or an entity apparatus.When this device was embodied as functional module, can be arranged on needed to realize in the equipment of this poll.
The present invention also provides a kind of NM server that comprises the device of above-mentioned realization network link status poll.
Exemplarily, the snmp message that is to use of embodiment of the invention description carries out the situation of poll.
The present invention's asynchronous system of sampling is carried out the poll of network element link state, the key difference of the poll of itself and the method for synchronization is not need to wait for returning of probe message, this can carry out poll in the mode of linearity to a plurality of network elements with regard to meaning in same thread, and need not to distribute independent thread into each network element.After adopting the mode of polled async, need spend the extensive work thread with traditional synchronous polling mode and compare, will only need two worker threads: send the thread of polling message and receive the thread of handling poll response messages; This has not only saved overhead in a large number, and because number of threads is few, so two worker threads can full speed running, and also raising greatly of poll speed like this.
Illustrating, is that about 1000 enterprise network is an example with a network element scale, utilizes the synchronous polling method of prior art, need to start the worker thread more than 40, and is 5-10 minute the average time that the network element chain rupture is found; And because poll is too big to resource overhead, the performance of other functions of network management system is had a strong impact on.And after adopting polled async flow process of the present invention,, only needing a probe message to send thread and a response message processing threads for the enterprise network of same scale, the average time that the network element chain rupture is found is in 10 seconds; And polled async flow process of the present invention is to the not influence of other function of webmastering software.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a method that realizes the network element link status poll is characterized in that, comprising:
Probe message forwarding step in that first worker thread is carried out sends probe message in the mode that travels through to a plurality of network elements to be polled;
The response results treatment step of carrying out at second worker thread is determined Link State with the corresponding network element to be polled of described response results according to the response results of obtaining;
Described first worker thread and described second worker thread are separate.
2. method according to claim 1 is characterized in that,
Described probe message forwarding step comprises: the device of realizing the network link status poll is a network element registration asynchronous communication passage to be polled, and send probe message to described network element to be polled, the corresponding network element to be polled of each asynchronous communication passage by described asynchronous communication passage;
Described response results treatment step comprises: the device of described realization network link status poll obtains the response results of corresponding network element from the passage object of the asynchronous communication passage correspondence of a registration, and determines the Link State of described corresponding network element according to described response results.
3. method according to claim 2 is characterized in that, in described response results treatment step, after determining the Link State of described network element, nullifies described asynchronous communication passage.
4. according to each described method among the claim 1-3, it is characterized in that,
In described response results treatment step, the device of described realization network link status poll continues to determine according to the response results that the next one obtains the Link State of the network element to be polled of described next response results correspondence behind the Link State of determining a network element to be polled.
5. according to claim 2 or 3 described methods, it is characterized in that,
In the described probe message forwarding step, when being network element registration asynchronous communication passage to be polled, in the passage object corresponding, preserve the unique identification of described network element to be polled with the asynchronous communication passage of described registration;
In the described response results treatment step, when from the passage object of the asynchronous communication passage correspondence of a registration, obtaining the response results of corresponding network element, obtain the unique identification of the network element of storing in the described passage object.
6. method according to claim 5 is characterized in that, in the described response results treatment step, behind the unique identification that obtains described response results and network element, comprising:
The device of described realization network link status poll judges whether described response results is success response; In this way, then the Link State of definite described unique identification corresponding net element is the communication normal condition; Otherwise the Link State of determining described unique identification corresponding net element is the chain rupture state; Wherein, when described asynchronous communication passage received the response message that described corresponding network element returns in the given time, described response results was success response.
7. a device of realizing the network link status poll is characterized in that, comprising:
The probe message sending module is used for sending probe message in the mode that travels through to a plurality of network elements to be measured at first worker thread;
The response results processing module is used for determining Link State with the corresponding network element to be polled of described response results at second worker thread according to the response results obtained;
Described first worker thread and second worker thread are separate.
8. device according to claim 7 is characterized in that,
Described probe message sending module comprises:
Asynchronous communication channel registration module is used to network element registration asynchronous communication passage to be polled, the corresponding network element to be polled of each asynchronous communication passage;
Sending module is used for sending probe message by described asynchronous communication passage to described network element to be polled;
Described response results processing module comprises:
The response results acquisition module is used for obtaining from the asynchronous communication passage of a registration response results of corresponding network element;
The Link State determination module is used for determining according to described response results the Link State of described corresponding network element.
9. device according to claim 8 is characterized in that, described response results determination module further comprises:
The asynchronous communication passage is nullified module, is used for after determining described Link State, nullifies described asynchronous communication passage.
10. NM server that comprises each described device among the claim 7-9.
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| CN2009100914098A CN101997704A (en) | 2009-08-20 | 2009-08-20 | Method, device and network management server for realizing element location link state polling |
| PCT/CN2010/072833 WO2011020348A1 (en) | 2009-08-20 | 2010-05-17 | Method, device and network management server for implementing polling for network element link state |
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| CN2009100914098A CN101997704A (en) | 2009-08-20 | 2009-08-20 | Method, device and network management server for realizing element location link state polling |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103684841A (en) * | 2012-09-26 | 2014-03-26 | 中兴通讯股份有限公司 | Network management server and link discovery comparison method |
| CN104486188A (en) * | 2014-11-18 | 2015-04-01 | 深圳达实智能股份有限公司 | Method and setting device for setting receiving and sending detached threads |
| CN109495303A (en) * | 2018-11-19 | 2019-03-19 | 广州开信通讯系统有限公司 | Obtain the method, device network managing device and system, electronic device and storage medium of equipment parameter information |
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| CN1805424A (en) * | 2005-12-31 | 2006-07-19 | 华中科技大学 | Gridding emulation method and its emulator |
| CN1859183A (en) * | 2005-12-30 | 2006-11-08 | 华为技术有限公司 | Method and device for realizing equipment state polling |
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| US4380065A (en) * | 1980-09-29 | 1983-04-12 | Honeywell Information Systems Inc. | Communication multiplexer variable priority scheme |
| CN100492302C (en) * | 2006-11-27 | 2009-05-27 | 浙江大学 | Implementation method of asynchronous communication between processes based on Java |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1859183A (en) * | 2005-12-30 | 2006-11-08 | 华为技术有限公司 | Method and device for realizing equipment state polling |
| CN1805424A (en) * | 2005-12-31 | 2006-07-19 | 华中科技大学 | Gridding emulation method and its emulator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103684841A (en) * | 2012-09-26 | 2014-03-26 | 中兴通讯股份有限公司 | Network management server and link discovery comparison method |
| CN104486188A (en) * | 2014-11-18 | 2015-04-01 | 深圳达实智能股份有限公司 | Method and setting device for setting receiving and sending detached threads |
| CN104486188B (en) * | 2014-11-18 | 2018-04-27 | 深圳达实智能股份有限公司 | A kind of method to set up and device for receiving and dispatching separate threads |
| CN109495303A (en) * | 2018-11-19 | 2019-03-19 | 广州开信通讯系统有限公司 | Obtain the method, device network managing device and system, electronic device and storage medium of equipment parameter information |
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Application publication date: 20110330 |