CN102801587A - Large-scale network-oriented virtualized monitoring system and dynamic monitoring method thereof - Google Patents
Large-scale network-oriented virtualized monitoring system and dynamic monitoring method thereof Download PDFInfo
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Abstract
The invention relates to a large-scale network-oriented virtualized monitoring system and method. The large-scale network-oriented virtualized monitoring system is provided with a central platform and a plurality of measuring probes connected with the central platform through a network. The central platform is responsible for carrying out unified planning and management on a topological structure of the measuring probes in the whole network, automatically deploying the measuring probes and selecting monitoring points and issuing a measuring task by combining service and user requirements; and in the monitoring process, the positions of the monitoring points can be flexibly and timely adjusted according to real-time resource utilization information of the measuring probes. The measuring probes report the resource utilization state information in real time in the measuring process and take corresponding operations according to instructions of the central platform. According to the large-scale network-oriented virtualized monitoring system and method, the problems of monitoring a large-scale network, acquiring the resource information of the measuring points, adjusting the positions of the measuring points in real time, taking a strategy how to select the monitoring points by a user are solved, full chains of the network can be covered with fewer monitoring points, and the acquiring speed and efficiency and data acquisition accuracy of the measuring probes are effectively improved. Therefore, the large-scale network-oriented virtualized monitoring system and method have favorable popularization and application prospect.
Description
Technical field
The present invention relates to a kind of virtual monitoring system and its dynamic monitoring method that is used for the large-scale ip network monitor, belong to the technical field of large-scale computer network and distributed data acquisition system and acquisition method.
Background technology
Along with the fast development of diverse network technology and popularizing of product, and the continuous increase of user and class of business, network becomes and becomes increasingly complex.And user who grows with each passing day and application cause network burden heavy, thereby cause that network performance descends, this problem with regard to proposing to extract and to analyze the performance index of network.Because each association of network performance all has very important value for phase-split network behavior, awareness network present situation and fault, planning new business etc.
Owing to computer network now is complicated and huge, it is monitored in real time have suitable difficulty, have extremely important and urgent meaning so develop a kind of monitoring system and method as early as possible towards large scale network.How based on concrete monitoring of environmental, disposing the monitoring task accurately, flexibly, and reduce manual intervention as far as possible, is very crucial for the performance monitoring of computer network.Because network system is huge, only in this network, be provided with or dispose a plurality of measuring probes, can make performance parameter closing to reality situation relatively in the network of collecting.In addition, also to carry out macro adjustments and controls to the measuring probe of these One's name is legions by central platform.Central platform by server or group system are formed is also wanted and can in network, selected suitable monitoring point to gather various network performance index according to related service and user's demand; And in gatherer process, central platform also must possess such function: adjust the position, monitoring point flexibly along with the variation of probe utilization of resources state.
But; Prior art is: network performance monitoring point is in case dispose end; In the process of executing the task, its position all is no longer to move later on, promptly in user's initial selected with after the monitoring point is set; Selecteed probe is from beginning to carry out measuring task up to the monitoring task termination, and its position is changeless.Yet in real world, the work of network or living environment are complicated and changeable, and the professional variation or the change of network topology all possibly cause the change of measuring probe performance.When the available resources of measuring probe were not enough, corresponding deviation appearred in the network performance parameter of collection probably.Therefore, the monitoring mode of prior art is difficult to satisfy the demand of large scale network monitoring.Therefore, how above-mentioned problem is improved and improved, just become the focus problem that scientific and technical personnel in the industry pay close attention to, and carried out a large amount of research and exploration for this reason.
Introduce the connotation or the definition of the relevant technical terms of the present invention's use below earlier:
Virtual monitoring system: a kind of topology is disposed and management is the distributed system of major function towards large scale network and to monitor; Be used for accomplishing monitoring large-scale computer network, dispose measuring probe and dynamically adjust function such as position, monitoring point automatically, so that required network monitor environment is provided for the user.
Dynamic monitoring: a kind of mode of monitoring large scale network is characterized in observation process, can adjusting neatly along with the variation of the probe utilization of resources state deployed position of each monitoring point.
Central platform: form by individual server or server cluster, be used to carry out the function of deployment, scheduling and the control of network monitoring system.
Measuring probe: operate in the device on PC physical machine or the virtual machine, be used to carry out measuring task, collect business and network performance index and be uploaded to central platform.
XEN: by a kind of open source code virtual machine monitor of Cambridge University research and development, it can move on single computer a plurality ofly has complete function operations system, and need not the special hardware support, just can reach high performance virtual.
JSON (JavaScript Object Notation): a kind of data interchange format of lightweight, based on the sub-set of JavaScript (Standard ECMA-2623rd Edition-December 1999).JSON adopts the text formatting be totally independent of language, but it has also used and is similar to the C family of language custom of (comprising C, C++, C#, Java, JavaScript, Perl, Python etc.); These characteristics make JSON become desirable exchanges data language, both have been convenient to programmer's reading and write, and also are easy to machine simultaneously and resolve and generate.
Ant group algorithm ACO (ant colony optimization): being called ant algorithm again, is a kind of probability type algorithm of optimizing the path that is used for seeking in the drawings.In its thesis for the doctorate, proposed in 1992 by Marco Dorigo, its inspiration derives from ant is found the path in seeking the food process behavior.Ant group algorithm is a kind of simulated evolutionary algorithm, and preliminary research shows: this algorithm has many advantageous properties.To PID controller parameter optimal design problem, two kinds of design results of ant group algorithm and genetic algorithm are compared, its numerical simulation shows: ant group algorithm is as a kind of new optimization method of simulated evolution, and its effect is obviously and using value arranged.
Summary of the invention
In view of this; The purpose of this invention is to provide a kind of virtual monitoring system and its dynamic monitoring method towards large scale network; Being used to solve existing network monitor technology can not be because of the deficiency of the position, variation real time altering monitoring point of monitoring of environmental; System of the present invention can obtain the resource state information of each measuring probe in real time; And occur adjusting the position of monitoring point neatly under the situation of inadequate resource at measuring probe, to obtain the business state information of network performance accurately and operation thereof.
In order to reach the foregoing invention purpose; The invention provides a kind of virtual monitoring system towards large scale network; Said monitoring system is supported the collection and the analysis of multiple business and network performance data, and can dispose and control a plurality of measuring probes that are used to monitor this network and service feature in this network; It is characterized in that: said monitoring system can be adjusted each position, monitoring point according to the state of measuring probe in real time, neatly when monitoring network, to obtain the business state information of network performance accurately and operation thereof; This system is made up of a central platform and a plurality of measuring probe; Wherein,
Central platform is arranged on the dynamic monitoring platform of server, as the control centre of this monitoring system; Be responsible for collecting and appearing the topological structure of whole network; And, select the position of monitoring point automatically and each node is disposed measuring probe automatically, and obtain the utilization of resources state information of measuring probe in real time according to professional and user's demand; The change in resources that combines measuring probe is again adjusted the position of monitoring point automatically; Be provided with following parts: specify the monitoring point module, automatically select the monitoring point module, revise monitoring point module, deployment module, task scheduling modules, probe status monitoring modular and communication module automatically;
Measuring probe; Be arranged at the computer apparatus that comprises low profile edge system, PC or virtual machine in this network; Be responsible for receiving and carrying out order: install and measure software automatically and/or carry out measuring task, obtain the index of corresponding business state and network performance from central platform; And the utilization of resources state information of collection own, be uploaded to central platform again; Be provided with following parts: measurement module, resource information reporting module and communication module.
Each functions of modules of said central platform is following:
Specify the monitoring point module, before being used for selecting the monitoring point automatically, accept one or more monitoring points that the user sets, and will set the result and send to automatic selection monitoring point module as essential monitoring point in system; Said essential monitoring site when avoiding system to select the monitoring point, is omitted these nodes and is caused monitoring result to owe mistake accurately in the higher network link of easy break-down or importance;
Automatically select the monitoring point module; Select the control core of monitoring point as central platform; Adopt improved ant group algorithm, topological sum customer service demand Network Based, the monitoring point quantity and the distribution that combine the user in specifying the monitoring point module, to set again; And the monitoring point quantitative range of user's setting; Automatically select intelligently quantity suitable and be evenly distributed, reasonably the monitoring point covers whole network, and the monitoring point of its selection is joined from specify the monitoring point set that the monitoring point module receives, the monitoring point set is sent to revise the monitoring point module then;
Revise the monitoring point module, be responsible for revising the monitoring point set according to consumers' opinions: or increase the monitoring point, fill up the omission or the defective of the network coverage, or delete the monitoring point, so that the distribution of monitoring point is more reasonable; And when accepting the user additions and deletions operation is carried out in monitoring point set, corresponding prompting is provided in real time, alarms or forbids this operation, prevent accident or this monitoring system is damaged;
Automatic deployment module; When the node in the set of selected monitoring point is not disposed Survey Software; Accept the instruction of central platform and carry out the automatic deployment of measuring probe and software thereof by this automatic deployment module: aim at the subsequent use computer apparatus of making measuring probe earlier and rely on detection; When the environment of confirming this computer apparatus can install and measure probe software, then need not under the condition of manual intervention, measuring probe software is deployed in this computer apparatus automatically; And after accomplishing deployment, the set of final monitoring point is sent to task scheduling modules;
The probe status monitoring modular is responsible for the utilization of resources state information that comprises load, cpu busy percentage and memory usage of real-time collecting measuring probe, and with these information stores in database; In carrying out the measuring task process; When this module receives the state information of measuring probe at every turn; All to calculate the load numerical value in this time period,, just alarm and revise the state information of node in the database immediately when load exceeds setting threshold; And show with the WEB mode, get into the automatic adjustment flow process of monitoring point simultaneously;
Task scheduling modules; Measuring task when being responsible for issuing initial the monitoring; And dispatch the monitoring point to inadequate resource in the measuring task implementation: after receiving the set of final monitoring point, this module is carried out choose reasonable and distribution to the monitoring point, and issues corresponding measuring task; When system discovery has node resource not enough, just stop the measuring task of this measuring probe, issue the measuring task of identical configuration for simultaneously the new monitoring point of selecting;
Communication module; Be responsible for connecting a plurality of measuring probes also communicates with: send Survey Software when comprising automatic deployment measuring probe; Receive measuring probe utilization of resources state information and network performance data, and the transmitting-receiving of various mutual control informations between central platform and the measuring probe.
Said modification monitoring point module is when user's additions and deletions monitoring point, and this monitoring point of real-time prompting and/or respective nodes are for user's weighted value of the importance of network; And when the user deletes the monitoring point; This modification monitoring point module is judged according to the respective weights value of this node or monitoring point; If node or the monitoring point of deletion belong to backbone node in the network, when being the high node of weight, this modifications monitoring point module is just sent alarm or is forbidden this operation of execution.
Each functions of modules of said measuring probe is following:
The resource information reporting module; Be responsible for gathering in real time the utilization of resources situation of measuring probe; Promptly whenever at a distance from the setting-up time section; This module adopts the probe utilization of resources status information that comprises load, cpu busy percentage and memory usage of this measuring probe of algorithm computation under the LINUX system, and the form that this information is encapsulated as JSON is reported central platform by communication module;
Measurement module; Control core as measuring probe; Be responsible for resolving the network packet that this measuring probe receives, to obtain the network performance parameter that comprises time delay, packet loss and shake, simultaneously; To the different service demand, obtain the MDI that comprises in the video traffic and the corresponding service index of PCR parameter; This module is very little to the load effect of network: the measurement data flow of its generation is no more than 5% of band width in physical;
Communication module; Be responsible for connecting central platform also communicates with: receive Survey Software when comprising automatic deployment measuring probe; Send measuring probe utilization of resources state information and network performance data, and the transmitting-receiving of various mutual control informations between central platform and the measuring probe.
In order to reach the foregoing invention purpose, the present invention also provides a kind of the present invention of employing the dynamic monitoring method of virtual monitoring system, it is characterized in that: said method comprises the following operations step:
(1) central platform employing tree structure presents the topological structure of whole network, and in this topological diagram, each node is endowed corresponding weights mark value according to its significance level in this topological diagram;
(2) a plurality of monitoring points of the appointment monitoring point module reception user appointment of central platform are as the essential monitoring point in this monitoring task;
(3) select the monitoring point module to automatically perform the operation of selecting the monitoring point automatically, and selected monitoring point quantity is in the scope that the user sets; Again the monitoring point set is formed with a plurality of monitoring points of user's appointment in these monitoring points, then, send this monitoring point set to modification monitoring point module;
(4) revise the monitoring point module and obtain this monitoring point set after, judge or actual needs carries out additions and deletions to the monitoring point and revises based on the user, it is distributed more rationally, evenly and obtain final monitoring point set;
(5) deployment module is carried out the operation of disposing Survey Software automatically to the node of not disposing Survey Software in this final monitoring point set as yet automatically, if dispose failure, then returns execution in step (4); If deployment success is then carried out subsequent step (6);
(6) central platform issues its measuring task for each monitoring point according to user's measuring task of its reception by task scheduling modules;
(7) when carrying out measuring task; The probe status monitoring modular receives and analyzes the utilization of resources state information that each measuring probe is uploaded in real time; When detecting probe and the information of inadequate resource occurs; Central platform starts each module automatically and chooses the monitoring point that is used to replace again, and stops the task of the measuring probe of inadequate resource by task scheduling modules, gives selected replacement monitoring point sending measuring task again; And in whole observation process, systemic circulation is carried out the operations of this step, and up to accomplishing measuring task, flow process finishes.
Said step (7) comprises the following operations content:
(71) measuring probe is gathered its other resources in real time according to setting cycle and is utilized state information, and the packet that is packaged into the form of JSON sends to central platform;
(72) central platform is resolved this packet; Deposit each measuring probe utilization of resources state information of obtaining in database; And the data in the setting-up time are analyzed, when detecting measuring probe and the information of inadequate resource occurs, carry out subsequent step (73); Otherwise, return execution in step (71);
(73) central platform starts corresponding module automatically, based on following two principles: the one, the monitoring link after the replacement is compared with original monitoring link, and its change should be as far as possible little; The 2nd, the replacement back is as far as possible little to the influence of whole monitoring task; The preferential neighbor node or the direct node that is connected with the monitoring point of this inadequate resource of the monitoring point of inadequate resource selected is used as the monitoring point of replacing;
(74) measuring probe of the task scheduling modules of central platform order inadequate resource stops to carry out measuring task, and after obtaining the configuration information of this measuring task, gives new monitoring point sending measuring task according to this configuration information; Return execution in step (71).
The present invention has following beneficial effect: system of the present invention can carry out intelligentized monitoring to professional with service network towards large-scale network, and in observation process, supports the automatic deployment of measuring probe, can significantly improve the deployment efficient of measuring probe; Also support the automatic selection of position, monitoring point and adjustment in real time, promptly in time find the measuring probe of inadequate resource, and the position, monitoring point is adjusted accordingly automatically, thereby avoided influencing the problem that network performance data is gathered because of the measuring probe inadequate resource.System of the present invention adopts the ant group algorithm after improving, and whole links of can be enough less monitoring point overlay network have improved the accuracy of picking rate, efficient and the image data of measuring probe effectively.Therefore, the present invention has good popularization and application prospect.
Description of drawings
Fig. 1 is that the present invention forms and data flow diagram towards the structure of the virtual monitoring system of large scale network.
Fig. 2 is the dynamic monitoring method flow chart of the present invention towards the virtual monitoring system of large scale network.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, the present invention is made further detailed description below in conjunction with accompanying drawing and embodiment.
The present invention is a kind of virtual monitoring system of measuring towards large scale network; This monitoring system of forming by central platform and two kinds of devices of measuring probe; Support the collection and the analysis of multiple business and network performance parameter, and can dispose and control a plurality of measuring probes that are used to monitor this network and service feature in this network.When monitoring network, monitoring system of the present invention can be adjusted each position, monitoring point in real time, neatly according to the state of measuring probe, to obtain the business state information of network performance accurately and operation thereof.
Referring to Fig. 1, introduce the structure building block of monitoring system of the present invention: one as the central platform of the control centre of this monitoring system and a plurality of measuring probes that communicate with through network.Wherein,
Central platform; Be arranged on the dynamic monitoring platform of server, be responsible for collect and present whole topology of networks, and according to professional and user's demand; Automatically select the position of monitoring point and each node is disposed measuring probe automatically; Obtain the resource state information of measuring probe in real time, combine the change in resources of measuring probe again, adjust the position of monitoring point automatically; This central platform is provided with: specify the monitoring point module, automatically select the monitoring point module, revise monitoring point module, deployment module, task scheduling modules, probe status monitoring modular and communication module automatically.Each functions of modules introduction is following:
Specify the monitoring point module: before being used for selecting the monitoring point automatically, accept one or more monitoring points that the user sets, and will set the result and send to automatic selection monitoring point module as essential monitoring point in system.And the essential monitoring point that the user sets should be arranged in easy break-down or the higher network link of importance, when avoiding system to select the monitoring point, omits these nodes and causes monitoring result to owe mistake accurately.
Automatically select the monitoring point module: the control core of selecting the monitoring point as central platform; Adopt improved ant group algorithm; Topological sum customer service demand Network Based; The monitoring point quantity and the distribution that combine the user in specifying the monitoring point module, to set again, and the monitoring point quantitative range of user's setting, automated intelligent selection quantity is suitable and be evenly distributed, reasonably the monitoring point covers whole network; And the monitoring point of its selection joined from specify the monitoring point set that the monitoring point module receives, the monitoring point set is sent to revise the monitoring point module then;
Revise the monitoring point module: be responsible for according to the corresponding monitoring point that increases of consumers' opinions, promptly revise the monitoring point set, fill up the omission or the defective of the network coverage, make that the distribution of monitoring point is more reasonable; And when accepting the user to monitoring point set carrying out additions and deletions operation; This monitoring point of corresponding prompting and/or the respective nodes user's weighted value for the importance of network (storing the weighted value of each node for the importance of network in the database) is provided in real time; And when the user deletes the monitoring point; This modification monitoring point module is judged according to the respective weights value of this node or monitoring point; If node or the monitoring point of deletion belong to backbone node in the network, when being the high node of weight, this modifications monitoring point module is just sent alarm or is forbidden this operation of execution, prevents accident or this monitoring system is damaged.
Automatic deployment module: when the node in the set of selected monitoring point is not disposed Survey Software; Accept the instruction of central platform by this automatic deployment module; Carry out the automatic deployment of measuring probe and software thereof: aim at the subsequent use computer apparatus of making measuring probe earlier and rely on detection; When the environment of confirming this computer apparatus can install and measure probe software, then need not under the condition of manual intervention, measuring probe software is deployed in this computer apparatus automatically; And after accomplishing deployment, the set of final monitoring point is sent to task scheduling modules.
The probe status monitoring modular: be responsible for the utilization of resources state information that comprises load, cpu busy percentage and memory usage of real-time collecting measuring probe, and with these information stores in database; In carrying out the measuring task process; When this probe status monitoring modular receives the utilization of resources state information of measuring probe at every turn; All to calculate the load in this time period,, just alarm and revise the state information of node in the database immediately when load exceeds setting threshold; And show with the WEB mode, get into the automatic adjustment flow process of monitoring point simultaneously.
Task scheduling modules: the measuring task when being responsible for issuing initial the monitoring; And dispatch the monitoring point to inadequate resource in the measuring task implementation: after receiving the set of final monitoring point; This task scheduling modules choose reasonable and distribution monitoring point, and issue corresponding measuring task; When system discovery has node resource not enough, just stop the measuring task of this measuring probe, issue the measuring task of identical configuration for simultaneously the new monitoring point of selecting.
Communication module: be responsible for to connect each measuring probe and also communicate with: send Survey Software when comprising automatic deployment measuring probe; Receive measuring probe utilization of resources state information and network performance data, and the transmitting-receiving of various mutual control informations between central platform and each measuring probe.
Measuring probe; Be arranged at the computer apparatus that comprises low profile edge system, PC or virtual machine in this network; Be responsible for receiving and carrying out order: install and measure software automatically and/or carry out measuring task, obtain the index of corresponding business state and network performance from central platform; And the utilization of resources state information of collection own, be uploaded to central platform again; Measuring probe is provided with following building block: measurement module, resource information reporting module and communication module.Each functions of modules introduction is following:
Resource information reporting module: be responsible for gathering the real-time utilization of resources situation of measuring probe; Promptly every at a distance from the setting-up time section; This resource information reporting module adopts the probe utilization of resources state information that comprises load, cpu busy percentage and memory usage of this measuring probe of algorithm computation under the LINUX system, and the form that this information is encapsulated as JSON is reported central platform through communication module.
Measurement module:, be responsible for resolving the network packet that this measuring probe receives, to obtain the network performance parameter that comprises time delay, packet loss and shake as the control core of measuring probe; Simultaneously, to the different service demand, obtain the MDI that comprises in the video traffic and the corresponding service index of PCR parameter; This measurement module is very little to the load effect of network: the measurement data flow of its generation is no more than 5% of band width in physical.
Communication module: be responsible for to connect central platform and also communicate with: receive Survey Software when comprising automatic deployment measuring probe; Send measuring probe utilization of resources state information and network performance parameter, and the transmitting-receiving of various mutual control informations between central platform and the measuring probe.
System of the present invention not only supports to gather and analyze the multiple network performance parameter; Also in message transmitting procedure, carry out the load balancing strategy; The dynamic adding of supporting measuring probe in the observation process with withdraw from; So that a plurality of measuring probes can dynamically generate optimum monitoring topology, reduce the offered load and the flow that increase because of measurement data.
The present invention also provides a kind of dynamic monitoring method of the virtual monitoring system towards large scale network: the topological structure that is presented whole network earlier by central platform; Each node in this topological structure is endowed weights according to its significance level in network, and these weights specify the monitoring point to have directive significance to the user; Then; System is introduced into and specifies the monitoring point stage: a plurality of monitoring points that the reception user of system chooses are as the essential monitoring point in this observation process; Then; System gets into the monitoring point stage of selecting automatically: by automatic selection monitoring point module the monitoring point of setting quantity is provided, and after adding the monitoring point set, is transmitted to and revises the monitoring point module; Modification monitoring point module is judged or actual needs according to the user, and modify is carried out in the monitoring point set, the monitoring point is distributed more become reasonable, even; By the different monitoring points of task scheduling modules, choose the initiator and the recipient of measuring task again according to distribution; And when task is carried out; The utilization of resources state information that the probe status monitoring modular obtains in real time and the analysis to measure probe reports; When detecting measuring probe and the information of inadequate resource occurs, central platform is chosen the monitoring point in time automatically again, simultaneously the calling task scheduler module; Stop the measuring task of the node of inadequate resource, and give new monitoring point sending measuring task.
Referring to Fig. 2, introduce the concrete operations step of the inventive method:
Step 1, central platform employing tree structure presents the topological structure of whole network, and in this topological diagram, each node is endowed corresponding weights mark value according to its significance level in this topological diagram.
Step 2, the appointment monitoring point module of central platform specifies one or more monitoring points as essential monitoring point in this monitoring task through receiving user's input results.System also receives a setting number range of user's input as the monitoring point quantity in this measuring task.If user's setting is unreasonable, system will point out the user to make amendment.
Step 3; System accepts to specify module selected monitoring point in monitoring point to gather; And automatically performing the operation of selecting the monitoring point through automatic selection monitoring point module, selected monitoring point quantity should be in the user's setting scope, and most links in can overlay network.Then, the monitoring point set is formed with the monitoring point of user's appointment in these monitoring points that system will select, and this monitoring point set is sent to revise the monitoring point module again.
Step 4; After revising the monitoring point module and obtaining monitoring point set that system provides, judge or actual needs that the input that receives the user is carried out additions and deletions to the monitoring point and revised according to the user; Make it distribute more rationally, evenly obtain final monitoring point set, again this set is sent to automatic deployment module.System can set a threshold value when deleting, in case user's modification too much when (for example selected nearly all monitoring point or deleted nearly all monitoring point), can in time prevent user's faulty operation.
Step 5; The automatic deployment module of central platform is judged this final monitoring point set: whether all be deployed with Survey Software; If dispose failure (having the node of not disposing Survey Software), then return execution in step 4, promptly call automatic deployment module the node of not disposing Survey Software is disposed automatically; If deployment success then sends to task scheduling modules with the monitoring point set, carry out subsequent step 6.
Step 6, central platform issues its measuring task for each monitoring point according to user's measuring task (for example carrying out the time of measuring, the initiator of task and recipient etc.) of its reception by task scheduling modules.
Step 7; In the measuring task implementation; The probe status monitoring modular receives and analyzes the utilization of resources state information that each measuring probe is uploaded in real time, and when detecting measuring probe and the situation of inadequate resource occurs, central platform starts each module automatically and chooses the monitoring point that is used to replace again; And stop the measuring task of the measuring probe of inadequate resource by task scheduling modules, give selected replacement monitoring point sending measuring task again; And in whole observation process, systemic circulation is carried out the operations of this step, and up to accomplishing measuring task, flow process finishes.This step comprises the following operations content:
(71) measuring probe is gathered its other resources in real time according to setting cycle and is utilized state information, and the packet that is packaged into the form of JSON sends to central platform;
(72) central platform is resolved this JSON packet; Deposit each measuring probe utilization of resources state information of obtaining in database; And the data in the setting-up time are analyzed, when detecting measuring probe and the information of inadequate resource occurs, carry out subsequent step (73); Otherwise, return execution in step (71);
(73) central platform starts corresponding module automatically and chooses the replacement monitoring point, based on following two selection principles: the one, the monitoring link after the replacement is compared with original monitoring link, and its change should be as far as possible little; The 2nd, the replacement back is as far as possible little to the influence of whole monitoring task; System preferentially selects the neighbor node or the direct node that is connected with the monitoring point of this inadequate resource of the monitoring point of inadequate resource to be used as the monitoring point of replacing;
(74) measuring probe of the task scheduling modules of central platform order inadequate resource stops to carry out measuring task, and after obtaining the configuration information of this measuring task, gives the new monitoring point sending measuring task of selecting according to this configuration information; Return execution in step (71).
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.
Claims (7)
1. virtual monitoring system towards large scale network, said monitoring system is supported the collection and the analysis of multiple business and network performance data, and can dispose and control a plurality of measuring probes that are used to monitor this network and service feature in this network; It is characterized in that: said monitoring system can be adjusted each position, monitoring point according to the state of measuring probe in real time, neatly when monitoring network, to obtain the business state information of network performance accurately and operation thereof; This system is made up of a central platform and a plurality of measuring probe; Wherein,
Central platform is arranged on the dynamic monitoring platform of server, as the control centre of this monitoring system; Be responsible for collecting and appearing the topological structure of whole network; And, select the position of monitoring point automatically and each node is disposed measuring probe automatically, and obtain the utilization of resources state information of measuring probe in real time according to professional and user's demand; The change in resources that combines measuring probe is again adjusted the position of monitoring point automatically; Be provided with following parts: specify the monitoring point module, automatically select the monitoring point module, revise monitoring point module, deployment module, task scheduling modules, probe status monitoring modular and communication module automatically;
Measuring probe; Be arranged at the computer apparatus that comprises low profile edge system, PC or virtual machine in this network; Be responsible for receiving and carrying out order: install and measure software automatically and/or carry out measuring task, obtain the index of corresponding business state and network performance from central platform; And the utilization of resources state information of collection own, be uploaded to central platform again; Be provided with following parts: measurement module, resource information reporting module and communication module.
2. monitoring system according to claim 1 is characterized in that: each functions of modules of said central platform is following:
Specify the monitoring point module, before being used for selecting the monitoring point automatically, accept one or more monitoring points that the user sets, and will set the result and send to automatic selection monitoring point module as essential monitoring point in system; Said essential monitoring site when avoiding system to select the monitoring point, is omitted these nodes and is caused monitoring result to owe mistake accurately in the higher network link of easy break-down or importance;
Automatically select the monitoring point module; Select the control core of monitoring point as central platform; Adopt improved ant group algorithm, topological sum customer service demand Network Based, the monitoring point quantity and the distribution that combine the user in specifying the monitoring point module, to set again; And the monitoring point quantitative range of user's setting; Automatically select intelligently quantity suitable and be evenly distributed, reasonably the monitoring point covers whole network, and the monitoring point of its selection is joined from specify the monitoring point set that the monitoring point module receives, the monitoring point set is sent to revise the monitoring point module then;
Revise the monitoring point module, be responsible for revising the monitoring point set according to consumers' opinions: or increase the monitoring point, fill up the omission or the defective of the network coverage, or delete the monitoring point, so that the distribution of monitoring point is more reasonable; And when accepting the user additions and deletions operation is carried out in monitoring point set, corresponding prompting is provided in real time, alarms or forbids this operation, prevent accident or this monitoring system is damaged;
Automatic deployment module; When the node in the set of selected monitoring point is not disposed Survey Software; Accept the instruction of central platform and carry out the automatic deployment of measuring probe and software thereof by this automatic deployment module: aim at the subsequent use computer apparatus of making measuring probe earlier and rely on detection; When the environment of confirming this computer apparatus can install and measure probe software, then need not under the condition of manual intervention, measuring probe software is deployed in this computer apparatus automatically; And after accomplishing deployment, the set of final monitoring point is sent to task scheduling modules;
The probe status monitoring modular is responsible for the utilization of resources state information that comprises load, cpu busy percentage and memory usage of real-time collecting measuring probe, and with these information stores in database; In carrying out the measuring task process; When this module receives the state information of measuring probe at every turn; All to calculate the load numerical value in this time period,, just alarm and revise the state information of node in the database immediately when load exceeds setting threshold; And show with the WEB mode, get into the automatic adjustment flow process of monitoring point simultaneously;
Task scheduling modules; Measuring task when being responsible for issuing initial the monitoring; And dispatch the monitoring point to inadequate resource in the measuring task implementation: after receiving the set of final monitoring point, this module is carried out choose reasonable and distribution to the monitoring point, and issues corresponding measuring task; When system discovery has node resource not enough, just stop the measuring task of this measuring probe, issue the measuring task of identical configuration for simultaneously the new monitoring point of selecting;
Communication module; Be responsible for connecting a plurality of measuring probes also communicates with: send Survey Software when comprising automatic deployment measuring probe; Receive measuring probe utilization of resources state information and network performance data, and the transmitting-receiving of various mutual control informations between central platform and the measuring probe.
3. monitoring system according to claim 2 is characterized in that: said modification monitoring point module is when user's additions and deletions monitoring point, and this monitoring point of real-time prompting and/or respective nodes are for user's weighted value of the importance of network; And when the user deletes the monitoring point; This modification monitoring point module is judged according to the respective weights value of this node or monitoring point; If node or the monitoring point of deletion belong to backbone node in the network, when being the high node of weight, this modifications monitoring point module is just sent alarm or is forbidden this operation of execution.
4. monitoring system according to claim 1 is characterized in that: each functions of modules of said measuring probe is following:
The resource information reporting module; Be responsible for gathering in real time the utilization of resources situation of measuring probe; Promptly whenever at a distance from the setting-up time section; This module adopts the probe utilization of resources status information that comprises load, cpu busy percentage and memory usage of this measuring probe of algorithm computation under the LINUX system, and the form that this information is encapsulated as JSON is reported central platform by communication module;
Measurement module; Control core as measuring probe; Be responsible for resolving the network packet that this measuring probe receives, to obtain the network performance parameter that comprises time delay, packet loss and shake, simultaneously; To the different service demand, obtain the MDI that comprises in the video traffic and the corresponding service index of PCR parameter; This module is very little to the load effect of network: the measurement data flow of its generation is no more than 5% of band width in physical;
Communication module; Be responsible for connecting central platform also communicates with: receive Survey Software when comprising automatic deployment measuring probe; Send measuring probe utilization of resources state information and network performance data, and the transmitting-receiving of various mutual control informations between central platform and the measuring probe.
5. monitoring system according to claim 1; It is characterized in that: said system not only supports to gather and analyze the multiple network performance parameter; Also in message transmitting procedure, carry out the load balancing strategy; The dynamic adding of supporting measuring probe in the observation process with withdraw from so that a plurality of measuring probe can dynamically generate optimum monitoring topology, reduce the offered load and the flow that increase because of measurement data.
6. dynamic monitoring method that adopts the described virtual monitoring system of claim 1, it is characterized in that: said method comprises the following operations step:
(1) central platform employing tree structure presents the topological structure of whole network, and in this topological diagram, each node is endowed corresponding weights mark value according to its significance level in this topological diagram;
(2) a plurality of monitoring points of the appointment monitoring point module reception user appointment of central platform are as the essential monitoring point in this monitoring task;
(3) select the monitoring point module to automatically perform the operation of selecting the monitoring point automatically, and selected monitoring point quantity is in the scope that the user sets; Again the monitoring point set is formed with a plurality of monitoring points of user's appointment in these monitoring points, then, send this monitoring point set to modification monitoring point module;
(4) revise the monitoring point module and obtain this monitoring point set after, judge or actual needs carries out additions and deletions to the monitoring point and revises based on the user, it is distributed more rationally, evenly and obtain final monitoring point set;
(5) deployment module is carried out the operation of disposing Survey Software automatically to the node of not disposing Survey Software in this final monitoring point set as yet automatically, if dispose failure, then returns execution in step (4); If deployment success is then carried out subsequent step (6);
(6) central platform issues its measuring task for each monitoring point according to user's measuring task of its reception by task scheduling modules;
(7) when carrying out measuring task; The probe status monitoring modular receives and analyzes the utilization of resources state information that each measuring probe is uploaded in real time; When detecting probe and the information of inadequate resource occurs; Central platform starts each module automatically and chooses the monitoring point that is used to replace again, and stops the task of the measuring probe of inadequate resource by task scheduling modules, gives selected replacement monitoring point sending measuring task again; And in whole observation process, systemic circulation is carried out the operations of this step, and up to accomplishing measuring task, flow process finishes.
7. dynamic monitoring method according to claim 6 is characterized in that: said step (7) comprises the following operations content:
(71) measuring probe is gathered its other resources in real time according to setting cycle and is utilized state information, and the packet that is packaged into the form of JSON sends to central platform;
(72) central platform is resolved this packet; Deposit each measuring probe utilization of resources state information of obtaining in database; And the data in the setting-up time are analyzed, when detecting measuring probe and the information of inadequate resource occurs, carry out subsequent step (73); Otherwise, return execution in step (71);
(73) central platform starts corresponding module automatically, based on following two principles: the one, the monitoring link after the replacement is compared with original monitoring link, and its change should be as far as possible little; The 2nd, the replacement back is as far as possible little to the influence of whole monitoring task; The preferential neighbor node or the direct node that is connected with the monitoring point of this inadequate resource of the monitoring point of inadequate resource selected is used as the monitoring point of replacing;
(74) measuring probe of the task scheduling modules of central platform order inadequate resource stops to carry out measuring task, and after obtaining the configuration information of this measuring task, gives new monitoring point sending measuring task according to this configuration information; Return execution in step (71).
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