CN101409654A - Method for processing SNMP information in network management system - Google Patents
Method for processing SNMP information in network management system Download PDFInfo
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- CN101409654A CN101409654A CNA2008101827285A CN200810182728A CN101409654A CN 101409654 A CN101409654 A CN 101409654A CN A2008101827285 A CNA2008101827285 A CN A2008101827285A CN 200810182728 A CN200810182728 A CN 200810182728A CN 101409654 A CN101409654 A CN 101409654A
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Abstract
The invention provides a method for processing SNMP information in a network management system and relates to the technical field of the network management. The method comprises the following steps: an SNMP information container used for processing and caching SNMP information of managed equipment is established in the network management system; when the network management system requires acquiring the SNMP information of the managed equipment, the information can be acquired by the SNMP information container without directly from the managed equipment; the SNMP information container determines a reading mode of the SNMP information according to a certain reading strategy that whether the current SNMP information is directly read from the managed equipment, or the cached SNMP information is read. The processing method can reduce a request reading the same information that is repeatedly transmitted to the same equipment by the network management system in a short time, thereby improving the efficiency of the network management system to process the SNMP information, effectively improving the utilization rate of SNMP message, and simultaneously reducing the impact of network delay to the speed of the network management system.
Description
Technical field
The present invention relates to the network management technology field, the method for treatment S NMP information in a kind of specifically network management system.
Background technology
High speed development along with the Internet and telecommunications industry, the disparate networks communication equipment extensively covers each place, formed numerous catenets, catenet comprises multiple network equipment, integrating multi network operating system, the application service of operation multiple network, so these catenets have brought very big challenge also for the management of Virtual network operator.
In order to guarantee stable, the operation efficiently of catenet, the operation conditions of whole network system is monitored and managed is necessary, this just need set up a system that the whole network operation conditions is monitored and controls, that is: a network management system of being made up of surveillance and controlling platform.At present, each device fabrication commercial city provides network management system separately, by Simple Network Management Protocol SNMP (Simple Network Management Protocol) the long-range network equipment is managed.As shown in Figure 1, existing network management system based on SNMP comprises two part: network management system NMS (Network ManagementSystem) and managed devices, and network management system mainly provides functions such as system security management, Topology Management, device configuration management, fault management, performance management, log management, system management, the management of activating business;
About unify interactive information between the managed devices of NMS, SNMP has defined 5 kinds of messages:
(1) get-request operation: extract one or more management information values from managed devices.
(2) get-next-request operation: the next parameter value that extracts one or more management information from managed devices.
(3) set-request operation: one or more management information values that managed devices is set.
(4) get-response operation: one or more management information values of returning.This operation is sent by managed devices, and it is the operation response of 3 operations in front.
(5) trap operation: the message that managed devices initiatively sends, informing network management system have some thing to take place.
Network management system reflects the information of managed devices just by the various messages of resolving SNMP.Traditional network management system is a real-time to reading of SNMP information, when promptly network management system need read information, directly sends the SNMP message by network management system to managed devices and reads real time information, and its idiographic flow is as described below:
(1) network management system is when carrying out operation such as Topology Management, fault management, performance management or equipment control, need to obtain the information of managed devices, at this moment network management system is used get-request or the get-next-request message of SNMP, obtains the information that needs from managed devices.
(2) network management system parses facility information after receiving the message that returns, and carries out respective handling according to facility information, finishes the first step and submits the operation of carrying out to.
In catenet, directly use the shortcoming of the network management system of snmp protocol fetch equipment information to be: present network management system adopts multi-user mode usually, have a plurality of users and simultaneously a managed devices is managed operation, therefore tend to repeatedly to repeat to read at short notice the identical information of a managed devices, in the not good situation of network environment, the operating efficiency of network management system there is great influence.
Summary of the invention
At the defective that exists in the prior art, the object of the present invention is to provide the method for treatment S NMP information in a kind of network management system, can reduce network management system and repeat to send the request of reading identical information to same equipment at short notice, improve the efficient of network management system treatment S NMP information, effectively improve the utilance of SNMP message, can reduce the influence of network delay simultaneously network management system speed.
For reaching above purpose, the technical scheme that the present invention takes is:
The method of treatment S NMP information in a kind of network management system, it is characterized in that: its concrete steps are:
Step 1, network management system are set up one and are used to handle and the SNMP information container of the SNMP information of buffer memory managed devices, and the SNMP information container starts a poll monitor SNMP information of buffer memory is monitored; Said poll monitor is deleted for the SNMP information that exceeds the certain predetermined time of buffer memory in the SNMP information container, to avoid the wasting of resources;
Step 2, when network management system need be obtained the SNMP information of managed devices, the interface that calls the SNMP information container passes to the SNMP information container with the SNMP information that needs obtain;
Step 3, SNMP information container are at first determined the mode that reads of SNMP information according to the type of SNMP information: the real-time that need obtain the SNMP information of managed devices when network management system is had relatively high expectations or when handling the managed devices alarm, the SNMP information container adopts and directly reads mode, otherwise the SNMP information container adopts the mode that reads indirectly; The said mode that directly reads is meant that the SNMP information container directly reads the current SNMP information of managed devices and upgrades the SNMP information of SNMP information container buffer memory, and the said mode that reads indirectly is meant that the SNMP information container reads the SNMP information of its buffer memory;
Step 4, SNMP information container send to network management system with the SNMP information that reads.
On the basis of technique scheme, when the employing of SNMP information container is read mode indirectly, the SNMP information container is at first judged in the SNMP of its buffer memory information, whether comprise the SNMP information that network management system need be obtained, if do not comprise, then read in real time and the SNMP information that need obtain of buffer memory by the SNMP information container; If comprise, then the SNMP information container judges that further the SNMP information of its buffer memory is whether aging, if aging, is then read in real time by the SNMP information container and SNMP information that buffer memory need obtain; If not aging, then the SNMP information container directly returns to network management system with the SNMP information of its buffer memory.
On the basis of technique scheme, said SNMP information container comprises following content at least: be used for determining the SNMP Manager of the mode that reads of SNMP information, poll monitor SNMP Monitor, SNMP information cache district.
The method of treatment S NMP information in the network management system of the present invention, can reduce network management system and repeat to send the request of reading identical information to same equipment at short notice, improve the efficient of network management system treatment S NMP information, effectively improve the utilance of SNMP message, can reduce the influence of network delay simultaneously network management system speed.
Description of drawings
The present invention has following accompanying drawing:
The existing network apparatus management system structure of Fig. 1 based on SNMP
The network apparatus management system structure of Fig. 2 the present invention structure
Fig. 3 is based on an embodiment of the network apparatus management system structure of the present invention's structure
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Fig. 2 is the network apparatus management system structure of the present invention's structure, in network management system, add a SNMP information container (SNMP Container), on this basis, the present invention has provided the method for treatment S NMP information in a kind of network management system, and its concrete steps are:
Step 1, network management system are set up one and are used to handle and the SNMP information container of the SNMP information of buffer memory managed devices, and the SNMP information container starts a poll monitor SNMP information of buffer memory is monitored; Said poll monitor is deleted for the SNMP information that exceeds the certain predetermined time of buffer memory in the SNMP information container, to avoid the wasting of resources;
Step 2, when network management system need be obtained the SNMP information of managed devices, the interface that calls the SNMP information container passes to the SNMP information container with the SNMP information that needs obtain;
Step 3, SNMP information container are at first determined the mode that reads of SNMP information according to the type of SNMP information: the real-time that need obtain the SNMP information of managed devices when network management system is had relatively high expectations or when handling the managed devices alarm, the SNMP information container adopts and directly reads mode, otherwise the SNMP information container adopts the mode that reads indirectly; The said mode that directly reads is meant that the SNMP information container directly reads the current SNMP information of managed devices and upgrades the SNMP information of SNMP information container buffer memory, and the said mode that reads indirectly is meant that the SNMP information container reads the SNMP information of its buffer memory; For example, the information of indication equipment state requires high to real-time, should take directly to read mode, and information such as indication equipment title can take to read indirectly mode; The information that needs to read in treatment facility alarm process also will take directly to read mode, in order to avoid the delay alarming processing;
Step 4, SNMP information container send to network management system with the SNMP information that reads.
On the basis of technique scheme, when the employing of SNMP information container is read mode indirectly, the SNMP information container is at first judged in the SNMP of its buffer memory information, whether comprise the SNMP information that network management system need be obtained, if do not comprise, then read in real time and the SNMP information that need obtain of buffer memory by the SNMP information container; If comprise, then the SNMP information container judges that further the SNMP information of its buffer memory is whether aging, if aging, is then read in real time by the SNMP information container and SNMP information that buffer memory need obtain; If not aging, then the SNMP information container directly returns to network management system with the SNMP information of its buffer memory.Saidly read in real time and the SNMP information that need obtain of buffer memory is meant by the SNMP information container: the SNMP information container directly reads the current SNMP information of managed devices and upgrades the SNMP information of SNMP information container buffer memory.
On the basis of technique scheme, said SNMP information container comprises following content at least: be used for determining the SNMP Manager of the mode that reads of SNMP information, poll monitor SNMP Monitor, SNMP information cache district.
By above technical scheme as seen, method of the present invention need be set up a SNMP information container that is used to handle with buffer memory managed devices SNMP information in network management system, when network management system need be obtained the SNMP information of managed devices, no longer directly obtain, but obtain by the SNMP information container from managed devices; The SNMP information container is determined the mode that reads of SNMP information according to certain fetch policy, is directly to read current SNMP information to managed devices, still reads the SNMP information of its buffer memory.The present invention can be used as when general interface reads SNMP information for system and calls, and need not make developer's workload reduce at different managed devices individual processing, and be easy to safeguard.The SNMP information container of depositing SNMP information is followed the principle of first-in first-out, utilize timer to upgrade container contents, when remaining with effective information, also discharge invalid information to the taking of resource, saved system resource and operating efficiency (being that the poll monitor is deleted for the SNMP information that exceeds the certain predetermined time of buffer memory in the SNMP information container) to a great extent.The present invention is directed to the demand that to obtain real-time SNMP information, the mechanism that reads SNMP information in real time is provided; Read the situation of SNMP information simultaneously for non real-time, also provide SNMP information Preset Time to be provided with for the user, the information that exceeds this Preset Time will be discharged (that is: whether the SNMP information of judging buffer memory is aging) as invalid information by system recoveries.Method of the present invention has improved the utilance of SNMP message effectively, has reduced the number of communications of duplicate message between network management platform and managed devices, can reduce the influence of network delay to network management system speed simultaneously.
Fig. 3 is that what this embodiment adopted is C/S (client/service end) distributed frame based on an embodiment of the network apparatus management system structure of the present invention's structure, and in this embodiment, method of the present invention may further comprise the steps:
In the time of S11, startup network management system (nms), in service end (Server), set up the SNMP information container, the SNMP information container comprises following content at least: the SNMP Manager that is used for determining the mode that reads of SNMP information, poll monitor SNMP Monitor, SNMP information cache district; The SNMP information container starts a poll monitor SNMP information of buffer memory is monitored; Said poll monitor is deleted for the SNMP information that exceeds the certain predetermined time of buffer memory in the SNMP information container, to avoid the wasting of resources; Preset Time can obtain by timer, also can adopt existing techniques in realizing;
S12, user send instruction by the client (Client1, Client2 or Client3) of network management system to network management system, obtain the SNMP information of the managed devices (Device) of appointment.When network management system is carried out above-mentioned instruction, when obtaining the SNMP information of managed devices, call the Server Interface of service end (Server), Server Interface will need the SNMP information of the managed devices inquired about to form the MibInfo structure, pass to the SNMP information container.The SNMP message identification OID that said MibInfo structure comprises Device IP at least, need read, read sign in real time;
The SNMP Manager of S13, SNMP information container receives the MibInfo structure, forms the SNMP bag and transmits the Request request, and its concrete steps are:
S131, SNMP Manager receive the MibInfo structure, determine the mode that reads of SNMP information according to the type of SNMP information: the real-time that need obtain the SNMP information of managed devices when network management system is had relatively high expectations or when handling the managed devices alarm, the SNMP information container adopts and directly reads mode, otherwise the SNMP information container adopts the mode that reads indirectly; The said mode that directly reads is meant that the SNMP information container directly reads the current SNMP information of managed devices and upgrades the SNMP information of SNMP information container buffer memory, and the said mode that reads indirectly is meant that the SNMP information container reads the SNMP information of its buffer memory; For example, the information of indication equipment state requires high to real-time, should take directly to read mode, and information such as indication equipment title can take to read indirectly mode; The information that needs to read in treatment facility alarm process also will take directly to read mode;
S132, SNMP Manager resolve MibInfo information, use wherein Device IP, SNMP message identification OID to construct the SNMP bag at least; Can be the version of all SNMP such as SNMP V1, SNMP V2, SNMP V3 for communication protocol among the present invention, specifically use which kind of agreement then according to the version decision of equipment side's appointment;
S133, select to send SNMP bag destination object according to the mode that reads: when the mode that reads when reading indirectly, execution in step S14; When the mode that reads when directly reading, execution in step S15; Like this two kinds read mode and have guaranteed compatibility with the existing network management system;
S14, adopt when reading mode indirectly when the SNMP information container, the SNMP Manager of SNMP information container at first judges in the SNMP of its buffer memory information whether comprise the SNMP information that network management system need be obtained, if do not comprise, and execution in step S15 then; If comprise, then SNMP Manager judges that further the SNMP information of its buffer memory is whether aging, if aging, execution in step S15 then; If do not wear out, then execution in step S17;
S15, managed devices return relevant device information SNMP Response to the SNMP information container after receiving the SNMP bag that SNMP Manager sends;
The SNMP Response information back-up that SNMP Manager in the S16, container SNMP information container returns the equipment of receiving is to SNMP information cache district, and the final updating time of refreshing corresponding informance in the SNMP information cache district;
The SNMP Response information of SNMP information container storage comprises Device IP among the present invention, SNMP reads and writes community, equipment index and relevant informations such as device type ID and equipment MIB, can inquire required facility information fast according to these information SNMP Manager.
S17, SNMP Manager resolve the SNMP Response that receives, and make corresponding service processing, and the MibInfo that forming client needs returns to each client (Client).
Among the present invention for client read in the container SNMP Response information without limits, multi-client can be simultaneously read the MibInfo information that needs by SNMP Manager, thereby reduces communicating by letter between Serve and the equipment.
The present invention also comprises the management of SNMP information container the monitoring of container contents is handled:
In structure SNMP information container, make up a monitor SNMP Monitor container is carried out real-time listening, SNMP information cache district in the automatic regular polling container, the facility information that time of the last buffer memory is exceeded the equipment preset value is deleted from buffer area; If the time of the last buffer memory when not exceeding the equipment preset value, is then inquired about corresponding equipment SNMP information in the SNMP information cache district, and travels through these information, all modifications time is wherein exceeded the facility information deletion of preset value.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being made within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. the method for treatment S NMP information in the network management system, it is characterized in that: its concrete steps are:
Step 1, network management system are set up one and are used to handle and the SNMP information container of the SNMP information of buffer memory managed devices, and the SNMP information container starts a poll monitor SNMP information of buffer memory is monitored; Said poll monitor is deleted for the SNMP information that exceeds the certain predetermined time of buffer memory in the SNMP information container, to avoid the wasting of resources;
Step 2, when network management system need be obtained the SNMP information of managed devices, the interface that calls the SNMP information container passes to the SNMP information container with the SNMP information that needs obtain;
Step 3, SNMP information container are at first determined the mode that reads of SNMP information according to the type of SNMP information: the real-time that need obtain the SNMP information of managed devices when network management system is had relatively high expectations or when handling the managed devices alarm, the SNMP information container adopts and directly reads mode, otherwise the SNMP information container adopts the mode that reads indirectly; The said mode that directly reads is meant that the SNMP information container directly reads the current SNMP information of managed devices and upgrades the SNMP information of SNMP information container buffer memory, and the said mode that reads indirectly is meant that the SNMP information container reads the SNMP information of its buffer memory;
Step 4, SNMP information container send to network management system with the SNMP information that reads.
2. the method for treatment S NMP information in the network management as claimed in claim 1, it is characterized in that: when the employing of SNMP information container is read mode indirectly, the SNMP information container is at first judged in the SNMP of its buffer memory information, whether comprise the SNMP information that network management system need be obtained, if do not comprise, then read in real time and the SNMP information that need obtain of buffer memory by the SNMP information container; If comprise, then the SNMP information container judges that further the SNMP information of its buffer memory is whether aging, if aging, is then read in real time by the SNMP information container and SNMP information that buffer memory need obtain; If not aging, then the SNMP information container directly returns to network management system with the SNMP information of its buffer memory.
3. the method for treatment S NMP information in the network management as claimed in claim 1 or 2, it is characterized in that: said SNMP information container comprises following content at least: the SNMP Manager that is used for determining the mode that reads of SNMP information, poll monitor SNMP Monitor, SNMP information cache district.
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| CN105763380A (en) * | 2016-04-13 | 2016-07-13 | 杭州华三通信技术有限公司 | Network management data obtaining method and device |
| CN109787845A (en) * | 2019-03-25 | 2019-05-21 | 国家计算机网络与信息安全管理中心 | A method of based on the snmp management network equipment |
| CN111258855A (en) * | 2020-02-03 | 2020-06-09 | 杭州迪普科技股份有限公司 | Device and method for monitoring running health state of managed equipment |
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Effective date of registration: 20170327 Address after: 430074 East Lake high tech Development Zone, Hubei Province, No. 6, No., high and new technology development zone, No. four Patentee after: Fenghuo Communication Science &. Technology Co., Ltd. Address before: East Lake high tech city of Wuhan province Hubei Dongxin road 430074 No. 5 East optical communication industry building in Wuhan Fenghuo Network Co Ltd Patentee before: Wuhan Fenghuo Network Co., Ltd. |