CN101635732B - Network management system integrated with IP network and cluster network as well as method thereof - Google Patents
Network management system integrated with IP network and cluster network as well as method thereof Download PDFInfo
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- CN101635732B CN101635732B CN 200910306200 CN200910306200A CN101635732B CN 101635732 B CN101635732 B CN 101635732B CN 200910306200 CN200910306200 CN 200910306200 CN 200910306200 A CN200910306200 A CN 200910306200A CN 101635732 B CN101635732 B CN 101635732B
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Abstract
The invention discloses a network management system integrated with an IP network and a cluster network as well as a method thereof, aiming to enable the integrated network to have the capability of discovering and accurately displaying a physical topological relation of an internal cluster switch of a subnetwork in an IP network layer. The system comprises an IP network, a cluster network, an IP network topology information management assembly, a cluster network topology information management assembly and an integrated network topology display assembly, wherein each piece of equipment in the IP network and each piece of equipment in the subnetwork have an IP address; except for a command switch, other pieces of equipment in the cluster network do not have an IP address; the IP network topology information management assembly processes topology information of the IP network; the cluster network topology information management assembly processes topology information of the cluster network; and the integrated network topology display assembly collects information from the IP network topology information management assembly and displays a topological structure after the IP network and the cluster network are integrated. The IP network and the cluster network have a network connection. The method comprises the steps of firstly acquiring acquire information of a piece of equipment with an IP address, secondly acquiring information of a piece of cluster equipment, and finally integrating the cluster equipment with the command switch of the cluster equipment into a subnetwork to form the integrated network.
Description
Technical field
The present invention relates to network management system and the information processing method of data communication field, relate in particular to integrated network management system and the information processing method thereof of the network that is formed by a series of clustering switch and IP device.
Background technology
In the network that is formed by clustering switch and router; the keeper can dispose cover or an a few cover network management system usually; modal is exactly that a cover IP network management system and is overlapped the cluster network management system or show respectively IP network layer and cluster network layer in a cover system, and concrete characteristics are as follows:
First, in the IP network management system, can represent the logical topology relation between equipment in network, subnet, but for all devices that belongs under same subnet, can not accurately show the physical connection between equipment, can only broadly be expressed as an equipment combination, can not ' find ' not possess simultaneously the switch device of IP address, thereby also can't implement to represent and management to these switch devices.
Second, in the cluster network management system, can accurately represent the physical connection topological relation between switch device, simultaneously can " find " that these do not possess the switch device of IP address, but but can't know the IP subnet logical topology relation that these switches belong to that represents in this system.
Summary of the invention
The purpose of this invention is to provide a kind of for being formed by clustering switch cluster network and the IP network that mainly formed by router between the integrated network management system scheme that forms, possesses the ability that also can " find " and accurately represent the clustering switch physical topology relation of subnet inside in IP network layer, reach cluster management and IP network combination of management, so that carry out the management of the network equipment.
Another object of the present invention is to provide a kind of method for above-mentioned UNE management system.
Purpose of the present invention realizes by following technical proposals:
A kind of network management system that merges IP network and cluster network comprises:
IP network, in network in each equipment and subnet each equipment have the IP address;
Cluster network, except command switch, in network, miscellaneous equipment does not have the IP address;
IP network topology information Management Unit, the topology information for the treatment of system IP network layer;
Cluster network topology information Management Unit, the topology information for the treatment of system cluster network layer;
The UNE topology represents assembly, collects the information that comes from IP network topology information Management Unit, represents the topological structure after IP network and cluster network merge;
IP network has network with cluster network and is connected.
Described IP network topology information Management Unit receives the information of IP address separately that comprises of the command switch in each equipment, cluster network in IP network, and the topological relation information of output the said equipment and subnet represents assembly to the UNE topology; Described cluster network topology information Management Unit receives the information of its command switch, exports between the information of each member device in this cluster network and each member device of cluster network the physical topology relation information to IP network topology information Management Unit.
Described IP network topology information Management Unit receives the information of command switch, will form same subnet with each member device in the same cluster network of this command switch and this command switch, and represents assembly to the UNE topology and export this subnet information.
Described UNE topology represents assembly according to above-mentioned each information that receives, and the network topology information after output system merges represents network topology figure.
The deployment architecture that described IP network Topology Management assembly, cluster network Topology Management assembly, UNE topology represent assembly be following both one of:
The first is the distributed deployment structure, IP network Topology Management assembly, cluster network Topology Management assembly, UNE topology represent assembly and are deployed in respectively independently on server, network communication protocol exchange message between the employing process between each assembly, IP network Topology Management assembly, cluster network Topology Management assembly obtain device-dependent message by the network equipment in the snmp protocol accesses network.
The second is the centralized deployment structure, IP network Topology Management assembly, cluster network Topology Management assembly, UNE topology represent assembly and concentrate and to be deployed on a station server, adopt the interprocess commications protocol exchange message between each assembly, IP network Topology Management assembly, cluster network Topology Management assembly obtain device-dependent message by the network equipment in the snmp protocol accesses network.
A kind of method that merges the network management system of IP network and cluster network comprises:
Discovery comprises the equipment that has the IP address in command switch in cluster network and IP network, and then notice begins to obtain the information of each member device of cluster network;
The information of each member device of cluster network is obtained in discovery;
Information according to each member device of cluster network, draw the attaching relation of each member device of cluster network and IP network subnet, wherein in each cluster network, the command switch of each member device and this cluster network belongs to same subnet, obtains the fuse information of cluster network and IP network;
The cluster network that obtains according to step c and the fuse information of IP network, the network topology after representing both and merging.
Described step a carries out as follows by IP network topology information Management Unit:
IP network Topology Management assembly finds to comprise that all of command switch of cluster network can be by the equipment of IP address access, and draws the equipment and the topological relation of subnet that respectively has the IP address, then notifies the information that begins to obtain cluster network.
The concrete grammar of described step a is:
A1. by the IP address of equipment component in user-specified network, formation to be visited is added in these IP address;
A2. access IP address in formation to be visited by snmp protocol, obtain the essential information of equipment;
A3. by the arp table of the equipment found in snmp protocol read step a2 and the information in routing table, thereby obtain the IP address of miscellaneous equipment in network, if all IP address was all accessed, withdraw from, otherwise formation to be visited is added to, repeating step a2 in these IP address.
Described step b utilizes cluster network topology information Management Unit by the visit order switch, all member devices in " discovery " this cluster network, and draw physical topology relation between all member devices, then these member devices are comprised access IP address, specific cluster SNMP parameter IP access parameter, and the physical topology relation information between each member device passes to IP network Topology Management assembly, and concrete grammar is as follows:
B1. by snmp protocol, read the cluster member table of command switch in cluster network, obtain the facility information that all member devices of cluster network comprise the mac address information;
B2. pass through snmp protocol according to cluster protocol, the member device mac address information of obtaining in integrating step b1, construct the SNMP access parameter of each member device in cluster network, then use the SNMP access parameter of structure, the visit order switch obtains the essential information of each member device in cluster network.
In described step c, IP network Topology Management assembly is according to each member device information of cluster network, by the visit order switch, obtain the facility information under all these cluster networks, and each member device in this cluster network completely is integrated under the subnet identical with the mentioned order switch, in this subnet, according to the physical connection information between the equipment of cluster network Topology Management Assembly calculation.
The present invention adopts said structure and/or method, can be in the integrated network of IP network and cluster network composition, find and accurately represent the physical topology relation of the equipment such as switch in the cluster network of subnet inside by IP network, with information processing and the management that realizes comprehensive unified fusion.
Description of drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is system configuration graph of a relation of the present invention;
Fig. 2 is that the inner clustering switch of the subnet of IP network in the present invention and switch physical topology represent figure;
Fig. 3 is the fusion method flow chart of IP network and cluster network in the present invention;
Fig. 4 is the schematic diagram of each distributed component structure in the present invention;
Fig. 5 is the schematic diagram of each assembly centralized configuration in the present invention.
Embodiment
The present invention is further illustrated below in conjunction with specific embodiments and the drawings.
A kind of network management system that merges IP network and cluster network comprises:
IP network, in network in each equipment and subnet each equipment have the IP address;
Cluster network, except command switch, in network, miscellaneous equipment does not have the IP address;
IP network topology information Management Unit, the topology information of process IP network;
Cluster network topology information Management Unit, the topology information of Processing Cluster network;
The UNE topology represents assembly, collects the information that comes from IP network topology information Management Unit, represents the topological structure after IP network and cluster network merge;
IP network has network with cluster network and is connected.
As shown in Figure 1, IP network topology information Management Unit receives the information of IP address separately that comprises of the command switch in each equipment, cluster network in IP network, and the topological relation information of output the said equipment and subnet represents assembly to the UNE topology.
Cluster network topology information Management Unit receives the information of its command switch, exports between the information of each member device in this cluster network and each member device of cluster network the physical topology relation information to IP network topology information Management Unit.
IP network topology information Management Unit receives the information of command switch, will form same subnet with each member device in the same cluster network of this command switch and this command switch, and represents assembly to the UNE topology and export this subnet information.
The UNE topology represents assembly according to above-mentioned each information that receives, and the network topology information after output system merges represents network topology figure.
Utilize in the integrated network that above-mentioned each assembly, IP network and cluster network form, a plurality of IP network or a plurality of cluster network can be arranged, the below is only to comprise that integrated network that an IP network and cluster network form as example, illustrate the method for fuse information processing.
As shown in Figure 3, method of the present invention comprises
Discovery comprises the equipment that has the IP address in command switch in cluster network and IP network, and then notice begins to obtain the information of each member device of cluster network;
The information of each member device of cluster network is obtained in discovery;
Information according to each member device of cluster network, draw the attaching relation of each member device of cluster network and IP network subnet, wherein in each cluster network, the command switch of each member device and this cluster network belongs to same subnet, obtains the fuse information of cluster network and IP network;
The cluster network that obtains according to step c and the fuse information of IP network, the network topology after representing both and merging.
Step is more specifically:
Step a is undertaken by the step that IP network topology information Management Unit reaches a1-a3 as follows:
IP network Topology Management assembly finds that all can comprise the command switch of cluster network by the equipment of IP address access, and draws the equipment and the topological relation of subnet that respectively has the IP address, then notifies the information that begins to obtain cluster network.
A1. by the IP address of equipment component in user-specified network, formation to be visited is added in these IP address;
A2. access IP address in formation to be visited by snmp protocol, obtain the essential information of equipment;
A3. by the arp table of the equipment found in snmp protocol read step a2 and the information in routing table, thereby obtain the IP address of miscellaneous equipment in network, if all IP address was all accessed, withdraw from, otherwise formation to be visited is added to, repeating step a2 in these IP address.
Step b utilizes cluster network topology information Management Unit by the visit order switch, all member devices in " discovery " this cluster network, and draw physical topology relation between all member devices, then these member devices are comprised access IP address, specific cluster SNMP parameter IP access parameter, and the physical topology relation information between each member device passes to IP network Topology Management assembly, and concrete grammar is as follows:
B1. by snmp protocol, read the cluster member table of command switch in cluster network, obtain the facility information that all member devices of cluster network comprise the mac address information;
B2. pass through snmp protocol according to cluster protocol, the member device mac address information of obtaining in integrating step b1, construct the SNMP access parameter of each member device in cluster network, then use the SNMP access parameter of structure, the visit order switch obtains the essential information of each member device in cluster network.
In step c, IP network Topology Management assembly is according to each member device information of cluster network, by the visit order switch, obtain the facility information under all these cluster networks, and each member device in this cluster network completely is integrated under the subnet identical with the mentioned order switch, in this subnet, according to the physical connection information between the equipment of cluster network Topology Management Assembly calculation.
The subnet inner topology graph of a relation that obtains representing as shown in Figure 2 by as above method, wherein, IP network topology information Management Unit can be found the command switch 1 under router-A, IP subnet A, IP subnet B and IP subnet A, all IP devices under subnet B, comprises IP device first, IP device second, the IP device third gradegrade C.
Cluster network topology information Management Unit can be found the cluster network one under command switch 1, comprises the annexation between each member of cluster member switch 2, member switch 3, member switch 4 and each member device as shown in Figure 2.
By above-mentioned fusion method, all member devices in cluster network one are all added in subnet A, thereby system can clearly represent the equipment of IP subnet A inside and the topological relation between equipment, and the common IP device of IP subnet B inside can only simply be presented as " direct-connected " mode.
In addition, the network topology exhibition of IP network Topology Management assembly, cluster network Topology Management assembly, fusion
It is as follows that embodiment is disposed in two kinds of typical enforcements of existing assembly:
The first is the distributed deployment structure, as shown in Figure 4, the network topology of IP network Topology Management assembly, cluster network Topology Management assembly, fusion represents assembly and is deployed in respectively independently on server, network communication protocol (such as HTCP/IP agreement, JAVA RMI agreement etc.) exchange message between the employing process between each assembly, IP network Topology Management assembly, cluster network Topology Management assembly obtain device-dependent message by the network equipment in the snmp protocol accesses network.
The second is the centralized deployment structure, as shown in Figure 5, the network topology of IP network Topology Management assembly, cluster network Topology Management assembly, fusion represents assembly and concentrates on the server that is deployed in, adopt the interprocess commications protocol exchange message between each assembly, IP network Topology Management assembly, cluster network Topology Management assembly obtain device-dependent message by the network equipment in the snmp protocol accesses network.
Disclosed all features in this specification, or the step in disclosed all methods or process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or similar characteristics.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (8)
1. a network management system that merges IP network and cluster network, is characterized in that, comprises
IP network, in network in each equipment and subnet each equipment have the IP address;
Cluster network, except command switch, in network, miscellaneous equipment does not have the IP address;
IP network topology information Management Unit, the information of IP address separately that comprises for the command switch in each equipment of reception IP network, cluster network, and the topological relation information of output the said equipment and subnet represents assembly to the UNE topology: described IP network topology information Management Unit is used for receiving the information of command switch, to form same subnet with each member device in the same cluster network of command switch and this command switch, with the same subnet of the direct-connected composition of each IP device in IP network; And represent to the UNE topology topological relation information that assembly is exported this two classes subnet;
Cluster network topology information Management Unit be used for to receive the information of its command switch, and exports between the information of each member device in this cluster network and each member device of cluster network the physical topology relation information to IP network topology information Management Unit;
Represent assembly with the UNE topology, collect the topological relation information come from the output of IP network topology information Management Unit, represent in each cluster network the topological structure after the subnet fusion of the direct-connected composition of each IP device in all devices place subnet and IP network;
IP network has network with cluster network and is connected.
2. a kind of network management system that merges IP network and cluster network as claimed in claim 1, is characterized in that, described UNE topology represents assembly according to the information that receives, and the network topology information after output system merges represents network topology figure.
3. a kind of network management system that merges IP network and cluster network as claimed in claim 1 or 2, it is characterized in that, the deployment architecture that described IP network Topology Management assembly, cluster network Topology Management assembly, UNE topology represent assembly be following both one of:
The first is the distributed deployment structure, IP network Topology Management assembly, cluster network Topology Management assembly, UNE topology represent assembly and are deployed in respectively independently on server, network communication protocol exchange message between the employing process between each assembly, IP network Topology Management assembly, cluster network Topology Management assembly obtain device-dependent message by the network equipment in the snmp protocol accesses network;
The second is the centralized deployment structure, IP network Topology Management assembly, cluster network Topology Management assembly, UNE topology represent assembly and concentrate and to be deployed on a station server, adopt the interprocess commications protocol exchange message between each assembly, IP network Topology Management assembly, cluster network Topology Management assembly obtain device-dependent message by the network equipment in the snmp protocol accesses network.
4. a method that merges the network management system of IP network and cluster network, is characterized in that, comprises
A. find to comprise the equipment that has the IP address in command switch in cluster network and IP network, then notice begins to obtain the information of each member device of cluster network;
B. find the information of each member device of cluster network obtain;
C. according to the information of each member device of cluster network, draw the attaching relation of each member device of cluster network and IP network subnet, wherein in each cluster network, the command switch of each member device and this cluster network belongs to same subnet, the same subnet of the direct-connected rear composition of each IP device in IP network obtains the fuse information of cluster network and IP network;
D. the cluster network that obtains according to step c and the fuse information of IP network, the network topology after representing both and merging.
5. a kind of method that merges the network management system of IP network and cluster network as claimed in claim 4, is characterized in that, described step a carries out as follows by IP network topology information Management Unit:
IP network Topology Management assembly finds to comprise that all of command switch of cluster network can be by the equipment of IP address access, and draws the equipment and the topological relation of subnet that respectively has the IP address, then notifies the information that begins to obtain cluster network.
6. a kind of method that merges the network management system of IP network and cluster network as claimed in claim 5, is characterized in that, the concrete grammar of described step a is:
Al. by the IP address of equipment component in user-specified network, formation to be visited is added in these IP address;
A2. access IP address in formation to be visited by snmp protocol, obtain the essential information of equipment;
A3. by the arp table of the equipment found in snmp protocol read step a2 and the information in routing table, thereby obtain the IP address of miscellaneous equipment in network, if all IP address was all accessed, withdraw from, otherwise formation to be visited is added to, repeating step a2 in these IP address.
7. a kind of method that merges the network management system of IP network and cluster network as claimed in claim 6, it is characterized in that, described step b utilizes cluster network topology information Management Unit by the visit order switch, all member devices in " discovery " this cluster network, and draw physical topology relation between all member devices, then accessing the IP address comprising of these member devices, specific cluster SNMP parameter is at interior IP access parameter, and the physical topology relation information between each member device passes to IP network Topology Management assembly, concrete grammar is as follows:
Bl. by snmp protocol, read the cluster member table of command switch in cluster network, obtain the facility information that all member devices of cluster network comprise the mac address information;
B2. according to cluster protocol and snmp protocol, the member device mac address information of obtaining in integrating step bl, construct the SNMP access parameter of each member device in cluster network, then use the SNMP access parameter of structure, the visit order switch obtains the essential information of each member device in cluster network.
8. a kind of method that merges the network management system of IP network and cluster network as claimed in claim 7, it is characterized in that, in described step c, IP network Topology Management assembly is according to each member device information of cluster network, by the visit order switch, obtain the facility information under all these cluster networks, and each member device in this cluster network completely is integrated under the subnet identical with the mentioned order switch, in this subnet, according to the physical connection information between the equipment of cluster network Topology Management Assembly calculation.
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| CN102904750B (en) * | 2012-09-24 | 2017-06-23 | 曙光信息产业(北京)有限公司 | A kind of activity allocation method based on network topology structure |
| CN103281196B (en) * | 2013-02-20 | 2016-09-14 | 北京佳讯飞鸿电气股份有限公司 | A kind of by creating the method that clone's network element represents railway digital ring topological structure |
| CN103532747B (en) * | 2013-09-30 | 2017-01-04 | 广东电网公司电力调度控制中心 | The network topology generation method of industrial system and system |
| CN105337638B (en) * | 2015-10-16 | 2017-11-17 | 哈尔滨工业大学 | Power line communication plurality of subnets fusion method based on the subnet scale of construction |
| CN111404719B (en) * | 2019-11-22 | 2023-03-24 | 杭州海康威视系统技术有限公司 | Network topology information acquisition method and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1561071A (en) * | 2004-03-10 | 2005-01-05 | 迈普（四川）通信技术有限公司 | Method for implementing network management to equipment in private network |
| CN1756189A (en) * | 2004-09-30 | 2006-04-05 | 北京航空航天大学 | IP network topology discovering method based on SNMP |
| CN1878086A (en) * | 2006-06-30 | 2006-12-13 | 迈普（四川）通信技术有限公司 | Multi-network converged network management method |
| CN101170445A (en) * | 2007-11-20 | 2008-04-30 | 中兴通讯股份有限公司 | Topology method and system for IP network management cluster in simple network management |
-
2009
- 2009-08-27 CN CN 200910306200 patent/CN101635732B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1561071A (en) * | 2004-03-10 | 2005-01-05 | 迈普（四川）通信技术有限公司 | Method for implementing network management to equipment in private network |
| CN1756189A (en) * | 2004-09-30 | 2006-04-05 | 北京航空航天大学 | IP network topology discovering method based on SNMP |
| CN1878086A (en) * | 2006-06-30 | 2006-12-13 | 迈普（四川）通信技术有限公司 | Multi-network converged network management method |
| CN101170445A (en) * | 2007-11-20 | 2008-04-30 | 中兴通讯股份有限公司 | Topology method and system for IP network management cluster in simple network management |
Non-Patent Citations (1)
| Title |
|---|
| 佘健,窦丽华,陈杰.基于SNM P 协议的网络主机综合监控方法研究.《北京理工大学学报》.2002,第22卷(第3期),1-10. * |
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