CN1812397A - Network management interface adapter and information interacting method - Google Patents
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Abstract
This invention discloses a kind of network management interface adapter. The said adapter concludes: information processing module, at least one service processing module, protocol processing module and thread management module. This invention also discloses a kind of method for interaction of network management interface information. The method concludes: the service processing modules corresponding to different request information are set up respectively; the request information of different network components management systems are synchronously concurrent processed through service processing module; the processed request information are transmitted to corresponding network components management systems; the response information of different network components management systems are protocol transformed and transmitted to network management system.
Description
Technical field
The present invention relates to network communications technology field, be specifically related to a kind of network management interface adapter and information interactive method.
Background technology
Along with the development of the network communications technology, the scale and the complexity of network constantly increase, and network management becomes the key that improves network service quality, streamlines the network resource, reduces maintenance cost gradually.At present, telecommunications network is just towards provided the network equipment, the collaborative direction of business that provides of many network operations department to develop by many manufacturers, following telecommunications network is the interference networks of a heterogeneous, and it is by telephone network, ISDN (integrated services digital network) net, the network that forms of telecommunications subnets interconnection such as net, portable phone net and video conferencing net X.25.In order to adapt to this development of telecommunications network, ITU-T (International Telecommunications Union) has proposed the notion of TMN (telecommunication management network), its purpose is the angle from worldwide telecommunication network, a kind of organized architecture and standardized interface are provided, make between the dissimilar management systems, can both carry out centralized and unified management according to method for normalizing to whole telecommunications network with uniform way exchange of management information between management system and the telecommunication apparatus
The main feature of TMN is that management function is separated with telecommunications functions, the network manager can range of management widely from the distributed telecommunication apparatus of each management node, adopt the multi-zone supervision architecture, as shown in Figure 1: comprise transaction management layer, SML, NML and NE management layer, finish the management function of corresponding aspect respectively by network entity BMS (transaction management system), SMS (business management system), NMS (network management system) and EMS (Element management system) separately.Wherein, how NMS carries out cooperation with the EMS of lower floor as a critical network administrative structure in the TMN management system, reaches to concentrate efficient management very crucial.
At present, NMS and EMS interface mainly adopt based on standard Q3 or CORBA (CommonObject Request Broker Architecture, Common Object Request Broker Architecture) interface carries out protocol adaptation, its advantage is a standard interface, as long as the EMS of accord with Q 3 or CORBA model standard can insert NMS.
The implementation of these two kinds of interfaces is as shown in Figure 2: no matter be Q3 interface or corba interface, all need to provide the Manager (manager) and Agent (agency) of fit standard interface, their network layer is similar to the network design mode.Each EMS upwards provides standard Q3 or corba interface, insert NMS by Q3/CORBA Mananger then, Q3/CORBA Manager is the south orientation Q3/CORBA interface adapter of NMS, and Q3/CORBA Agent then is the north orientation Q3/CORBA interface adapter of EMS.
NMS is to the request processing flow of EMS as shown in Figure 3:
NMS sends request to the Q3/CORBA manager, the Q3/CORBA manager at first carries out protocol conversion after receiving this request, this request is converted to the Q3/CORBA form of standard, send it to Q3/CORBA agency then, be converted into the form that EMS can discern and send to EMS by the Q3/CORBA agency again.Equally, this request responding is also needed to carry out protocol conversion by Q3/CORBA agency and Q3/CORBA manager.
EMS is to the notice reporting handling process of NMS as shown in Figure 4:
By EMA reporting message is sent to the Q3/CORBA agency, after receiving this message, the Q3/CORBA agency at first carries out protocol conversion, with this message conversion is the Q3/CORBA form of standard, send it to the Q3/CORBA manager then, be converted into the form that NMS can discern and report NMS by the Q3/CORBA manager again.
By above-mentioned two handling processes as can be seen, adopt the Q3/CORBA interface that following shortcoming is arranged:
1, level is too many, and operational efficiency is lower, higher hardware cost, and each Q3/CORBA Agent disposes separately, need monopolize server resource.
2, the Q3/CORBA interface protocol is handled complicatedly, needs a large amount of third party software bags that adopt, and causes the increase of software cost, and the defective of third party software can cause the stability of product to descend, and is unfavorable for the maintenance of product.
Summary of the invention
The purpose of this invention is to provide a kind of network management interface adapter, realize the shortcoming complicated, that operational efficiency is low,, promote the webmaster operational efficiency to reduce the network service level to overcome available technology adopting Q3 or corba interface.
Another object of the present invention provides a kind of method of network management interface information interaction, to overcome the shortcoming of available technology adopting Q3 or corba interface protocol processes complexity, realize unify communication between the different network elements management system of NMS simply, efficiently.
For this reason, the invention provides following technical scheme:
A kind of network management interface adapter is used to finish the protocol adaptation between network management system and a plurality of Element management system, and described adapter comprises:
Message processing module, at least one Service Processing Module, protocol process module, thread management module;
Described message processing module receives the request message that described network management system issues, and it is transmitted to the corresponding service processing module it is carried out Business Processing, then, by described protocol process module processed request message is carried out protocol conversion and sent to the corresponding net element management system;
After described protocol process module receives the response message of described Element management system, described response message is carried out protocol conversion and sends to the corresponding service processing module, by described Service Processing Module it is carried out Business Processing, and the response message after will handling sends to described network management system by described message processing module;
Described thread management module is coupled in described Service Processing Module respectively, is used to each Service Processing Module distribution service processing threads and controls the operation of described Service Processing Module in described Business Processing thread.
Described thread management module comprises:
The thread distribution module is used to the required Business Processing thread of the different request messages of described Service Processing Module allocation process;
Thread control module, required thread when being used to control described Service Processing Module and handling request message.
Alternatively, described adapter also comprises:
The a plurality of notice reporting modules corresponding with described Element management system, be coupled in described message processing module, described thread management module and described protocol process module respectively, the reporting message of the Element management system after being used to handle described protocol process module reception and carrying out protocol conversion, and the reporting message after will handling sends to described network management system by described message processing module.
Alternatively, described adapter also comprises:
Regularly detection module is coupled in described message processing module and described protocol process module respectively, is used for regularly detecting the connection status of described Element management system.
A kind of method of network management interface information interaction is used to realize communicating by letter between network management system and a plurality of Element management systems, and described method comprises:
A, set up Service Processing Module respectively corresponding to different request messages;
B, run simultaneously by described Service Processing Module and to handle request message the different network elements management system;
C, processed request message is handed down to the corresponding net element management system;
D, the response message of different Element management systems is carried out sending to described network management system after the protocol conversion.
Described step B comprises:
B1, obtain described request message corresponding service processing module;
B2, distribute Business Processing thread corresponding to described Service Processing Module;
B3, by a plurality of request messages of described Business Processing thread synchronization serial process corresponding to described Element management system.
Described step B3 comprises:
B31, in described Business Processing thread, handle current request message;
B32, processed request message is carried out protocol conversion, be converted into the form that described corresponding net element management system can be discerned, stop simultaneously corresponding to the message after other Business Processing thread process of this Element management system and carry out protocol conversion;
B33, after described current request Message Processing finishes, hang up described Business Processing thread.
Described step D comprises:
D1, the response message of described Element management system is converted to the form that described network management system can be discerned;
D2, the response message in corresponding to the Business Processing thread of this Element management system after the treatment conversion;
D3, the response message after will handling send to described network management system.
Described step D2 comprises:
D21, wake the Business Processing thread of described hang-up up;
Response message in D22, the Business Processing thread after waking up after the described conversion of processing.
Described step B3 also comprises:
After in described Business Processing thread, will finishing dealing with or after described Business Processing thread suspension surpasses the scheduled time, finish this Business Processing thread, make other Business Processing threads that get clogged continue operation corresponding to the response message of current request message.
Alternatively, described method also comprises:
The reporting message of E, reception different network elements management system;
F, to sending to described network management system after the described reporting message Synchronous Processing.
Described step F comprises:
F1, configuration are corresponding to the processing threads that reports of different network elements management system;
F2, described reporting message is converted to the form that described network management system can be discerned;
F3, by the described reporting message that reports the processing threads serial process corresponding to described Element management system;
F4, the reporting message after will handling send to described network management system.
By above technical scheme provided by the invention as can be seen, directly between NMS and a plurality of different EMS, carry out protocol conversion by network management interface adapter provided by the invention, do not need to provide the Manger and the Agent that satisfy fit standard, reduce the network service level, improved the operational efficiency of webmaster; In this adapter, guaranteed to the synchronous concurrency management of a plurality of EMS and to the synchronous serial management of single EMS, thereby realized protocol adaptation effectively different EMS by thread management module; This scheme realizes simple, need not to rely on third party software, thereby has improved the stability of network management system and reduced system cost.
Description of drawings
Fig. 1 is the layered architecture schematic diagram of telecommunication management network;
Fig. 2 is the adaptive mode schematic diagram of interface protocol between NMS and the EMS in the prior art;
NMS was to the request processing flow of EMS when Fig. 3 was employing Q3 or corba interface;
EMS was to the notice reporting handling process of NMS when Fig. 4 was employing Q3 or corba interface;
Fig. 5 is the network management interface adapter first embodiment theory diagram of the present invention;
Fig. 6 is the network management interface adapter second embodiment theory diagram of the present invention;
Fig. 7 is the realization flow figure of the inventive method;
Fig. 8 adopts the control flow of synchronous communication mechanism to Message Processing in the inventive method;
Fig. 9 is to the process chart of the reporting message of EMS in the inventive method.
Embodiment
Core of the present invention is to utilize network management interface adapter directly to carry out protocol conversion between NMS and a plurality of different EMS, finishes the protocol adaptation between network management system and a plurality of Element management system.Finish processing by different Service Processing Modules to all requests and response message, by a thread management module is different Service Processing Module distributing independent Business Processing threads, make Service Processing Module in these threads, finish processing respectively, and control association requests and the response message of a plurality of thread serial process corresponding to same Element management system to different network elements management system requested message.
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with drawings and embodiments.
Fig. 5 is the network management interface adapter first embodiment theory diagram of the present invention:
In the present embodiment, network management interface adapter links to each other with Element management system S3 with network management system S 1 and Element management system S2 respectively, finishes unify protocol adaptation between the different network elements management system of NMS.This adapter comprises: message processing module S01, Service Processing Module S02, Service Processing Module S03, protocol process module S05, thread management module S04.
In order to guarantee that Service Processing Module can handle the request message corresponding to different EMS simultaneously, by the operation of the thread management module S04 control Service Processing Module that is connected in protocol process module and Service Processing Module.
The corresponding relation of pre-configured message number and Service Processing Module in message processing module, after it receives the request message that NMS issues, according to this corresponding relation notice thread management module is that Service Processing Module distributes corresponding thread, simultaneously this request message is transmitted to Service Processing Module, by Service Processing Module this request message is carried out Business Processing, such as, request message is resolved, convert the protocol adaptor internal interface to, obtain and handle this request message and need mutual Element management system information, determine the information that to obtain from Element management system etc.Then, processed request message is carried out protocol conversion, be converted into the message format that corresponding EMS can discern, send it to corresponding EMS then by protocol process module.
Receive the response message of EMS when protocol process module after, be converted into the message format that NMS can discern, response message after the conversion is sent to Service Processing Module, by Service Processing Module it is carried out Business Processing, then, the response message after handling is sent to NMS by message processing module.
Thread management module S04 comprises: thread distribution module S15 and thread control module S16.Wherein, the thread distribution module is used to the required thread of the different request messages of Service Processing Module allocation process; Thread control module is used to control Service Processing Module and handles the required thread of different request messages.
When NMS issues a plurality of request message at different EMS simultaneously, be respectively these message corresponding service processing modules by the thread distribution module and distribute the corresponding service processing thread, in the thread that distributes, call the corresponding service processing module request message is carried out Business Processing.Each Service Processing Module is independent operating in the thread that distributes separately, gets final product the request message to the different network elements management system that parallel processing NMS issues like this.
By a plurality of requests and the response message work in series of thread control module control different threads at same EMS.When NMS issues a plurality of request message at certain EMS simultaneously, be respectively corresponding these request message distribution service processing threads by the thread distribution module, call the corresponding service processing module and handle current request message, after this request message is finished dealing with, thread control module is with this thread suspension, when receive the response message that EMS returns by protocol process module after, wake the response message that this thread process is received up.Undertaken when mutual by protocol process module and EMS at this Business Processing thread, if other Business Processing thread also needs with this EMS mutual, then control by thread control module, the Business Processing thread that blocks other, have only after the intact response message of this Business Processing thread process is handled or thread suspension overtime after, just can continue other Business Processing thread.Time-out time can be set according to actual needs.
In order to strengthen the management function of NMS, fault of EMS etc. is carried out unified management, in second embodiment of network management interface adapter of the present invention shown in Figure 6, increased notice reporting module S12 and notice reporting module S13.
The notice reporting module links to each other with protocol process module S05 with message processing module S01, thread management module S04 respectively, the reporting message of EMS after being used for the reception of processing protocol processing module and carrying out protocol conversion, and the reporting message after will handling sends to NMS by message processing module.
Equally, the corresponding relation of pre-configured Element management system notice reporting message word and notice reporting module in protocol process module S05.Receive the reporting message of certain EMS when protocol process module after, at first this reporting message is resolved, convert adapter internal interface identification form to, be the corresponding thread of notice reporting module assignment according to this corresponding relation notice thread management module then, reporting message after will changing simultaneously sends the notice reporting module to, it is handled in the thread that distributes by the notice reporting module, the reporting message after will handling then sends to NMS by message processing module.
When different EMS reporting message, by protocol process module these message are changed, and notify the thread distribution module to be respectively these reporting messages and distribute corresponding thread from different EMS, make the notice reporting module finish the processing of reporting message respectively in these different threads, the reporting message after will handling by message processing module then sends to NMS.
Equally, regularly detection module can also be set in network management interface adapter of the present invention, to finish some regularly measuring abilities.It is connected to message processing module and protocol process module, is used for regularly detecting the connection status of each EMS, and testing result is sent to NMS by message processing module.For example, regularly detect thread by the thread distribution module for it distributes, make regularly detection module and EMS regularly carry out obtaining as information such as EMS titles alternately by this thread, if interaction success, marked network connects normal.
Because network management interface adapter of the present invention need be managed a plurality of EMS objects, make NMS therefore can in thread management module, set up a thread pool simultaneously to these EMS Object Operations.Set up two Socket (socket) for each EMS in protocol conversion module and connect, one of them is the Socket of notice reporting, and another is the Socket that request is handled.By the Socket of notice reporting, when handling notice reporting message, the thread distribution module is created a notice reporting thread at each EMS, and this notice reporting thread reads the notice reporting message of EMS by obstruction mode Infinite Cyclic; Socket by request is handled after the solicit operation that whenever obtains NMS, begins a new thread immediately, and this thread is hung up after the solicit operation of NMS side is sent to EMS, behind EMS return messages or wait timeout with this thread wakening.
Time-out time can be determined according to actual needs.Since time-out time to the operation of EMS be meant this operation be handed down to EMS to the EMS return results to the time between the network management interface adapter, so time-out time does not comprise the time that this operation gets clogged.In view of the foregoing, require NMS to wait for that the time of adapter return messages should equal N
*TIMEOUT (supposes that wherein NMS carries out N at most simultaneously to the operation of an EMS, promptly there be N the thread that same EMS is operated to get clogged), and TIMEOUT should be greater than the operation overtime time of EMS, for operation overtime time of EMS adds the Business Processing thread block time.
Fig. 7 is the realization flow figure of the inventive method, may further comprise the steps:
Step 701: set up Service Processing Module respectively corresponding to different request messages.
Step 702: run simultaneously by Service Processing Module and to handle request message to the different network elements management system.That is to say for different request messages and need distinguish independent process that these processing are concurrent carrying out.
Detailed process is as follows:
At first, obtain request message corresponding service processing module; Distribution is corresponding to the Business Processing thread of this Service Processing Module; Then, by a plurality of request messages of this Business Processing thread synchronization serial process corresponding to certain Element management system.
Step 703: processed request message is handed down to the corresponding net element management system;
Step 704: the response message of different Element management systems is carried out sending to network management system after the protocol conversion.
In the methods of the invention, adopt synchronous communication mechanism to realize the parallel management of NMS to a plurality of EMS, promptly the operation to a plurality of EMS is concurrent, and is serial to single EMS.
Fig. 8 shows and adopts the control flow of synchronous communication mechanism to Message Processing:
At first, in step 801: the request message that obtains NMS.The message that NMS issues comprises the request message to different EMS, and to a plurality of request messages of same EMS.
Step 802: the EMS that obtains the request message correspondence respectively.
Such as, pre-configured EMS numbering corresponding relation with EMS message, in the request that NMS issues, comprise the EMS number information, receive the request message that NMS issues after, can know according to the numbering of the EMS in this request message this message is at which EMS.
Step 803: obtain Business Processing thread corresponding to this request message.
If obtained a plurality of request messages that NMS issues simultaneously, then need for different messages distributes the corresponding service processing threads, these request messages may corresponding one or more EMS.
Step 804: synchronous serial is handled a plurality of request messages corresponding to this EMS.
If receive a plurality of request messages simultaneously, then need in the Business Processing thread of above-mentioned distribution, handle these request message serials at certain EMS.The synchronous serial processing procedure is as follows:
At first, obtain current request message corresponding to this EMS; Then, in the Business Processing thread that distributes, handle current request message, processed request message is carried out protocol conversion, be converted into the form that described corresponding net element management system can be discerned.Because the agreement that different EMS adopts may be different, the message format that NMS issues then is duplicate, and therefore the agreement that need use according to the EMS of each message correspondence is converted into the form that corresponding EMS can discern respectively.
When current request message is carried out protocol conversion, stop corresponding to the message after the next request message corresponding service processing threads processing of this EMS and carry out protocol conversion; After described current request Message Processing finishes, hang up this thread, wait for that EMS returns the response message at this request message.
After EMS returns response message, perhaps behind the wait timeout, discharge this thread, make other Business Processing thread continue the next request message of processing at this EMS.
When receiving the response message that EMS returns, at first carry out protocol conversion, be converted into the form that NMS can discern; Obtain Business Processing thread then, will handle the thread wakening of hanging up behind the request message of NMS, in this thread, the response message of receiving is carried out Business Processing corresponding to this EMS.Like this, for different EMS, make the response message of its transmission obtain parallel processing too.These response messages are handled the back just can send to NMS.
In order to strengthen the management function of NMS, also fault message of EMS etc. can be reported NMS, carry out unified management by NMS.
The handling process of EMS reporting message may further comprise the steps as shown in Figure 9:
Step 901: the pre-configured processing threads that reports corresponding to each EMS.
Step 902: receive the reporting message of different EMS, such as, alarm report message, performance reporting message etc.
Step 903: the reporting message that receives is converted to the form that NMS can discern.
Step 904: in the notice reporting processing threads that has distributed, the EMS reporting message is carried out Business Processing corresponding to this EMS.When EMS has a plurality of reporting message, need report in the processing threads these message serial process at this.
This serial process is each notification message of serial process in single EMS notice reporting thread, is needed when a plurality of Business Processing threads are need be with same EMS mutual and the synchronous serial of request message is handled, and the two is different.
Step 905: the reporting message after will handling sends to NMS.
Certainly, also can report processing threads accordingly by the EMS reporting message triggering that receives.Corresponding one of each EMS reports processing threads, if certain EMS has a plurality of message to report, then at these reporting messages of serial process in the processing threads that report of correspondence.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, wish that appended claim comprises these distortion and variation and do not break away from spirit of the present invention.
Claims (12)
1, a kind of network management interface adapter is used to finish the protocol adaptation between network management system and a plurality of Element management system, it is characterized in that described adapter comprises:
Message processing module, at least one Service Processing Module, protocol process module, thread management module;
Described message processing module receives the request message that described network management system issues, and it is transmitted to the corresponding service processing module it is carried out Business Processing, then, by described protocol process module processed request message is carried out protocol conversion and sent to the corresponding net element management system;
After described protocol process module receives the response message of described Element management system, described response message is carried out protocol conversion and sends to the corresponding service processing module, by described Service Processing Module it is carried out Business Processing, and the response message after will handling sends to described network management system by described message processing module;
Described thread management module is coupled in described Service Processing Module respectively, is used to each Service Processing Module distribution service processing threads and controls the operation of described Service Processing Module in described Business Processing thread.
2, network management interface adapter according to claim 1 is characterized in that, described thread management module comprises:
The thread distribution module is used to the required Business Processing thread of the different request messages of described Service Processing Module allocation process;
Thread control module, required thread when being used to control described Service Processing Module and handling request message.
3, network management interface adapter according to claim 1 is characterized in that, described adapter also comprises:
The a plurality of notice reporting modules corresponding with described Element management system, be coupled in described message processing module, described thread management module and described protocol process module respectively, the reporting message of the Element management system after being used to handle described protocol process module reception and carrying out protocol conversion, and the reporting message after will handling sends to described network management system by described message processing module.
4, network management interface adapter according to claim 1 is characterized in that, described adapter also comprises:
Regularly detection module is coupled in described message processing module and described protocol process module respectively, is used for regularly detecting the connection status of described Element management system.
5, a kind of method of network management interface information interaction is used to realize communicating by letter between network management system and a plurality of Element management systems, it is characterized in that described method comprises:
A, set up Service Processing Module respectively corresponding to different request messages;
B, run simultaneously by described Service Processing Module and to handle request message the different network elements management system;
C, processed request message is handed down to the corresponding net element management system;
D, the response message of different Element management systems is carried out sending to described network management system after the protocol conversion.
6, the method for network management interface information interaction according to claim 5 is characterized in that, described step B comprises:
B1, obtain described request message corresponding service processing module;
B2, distribute Business Processing thread corresponding to described Service Processing Module;
B3, by a plurality of request messages of described Business Processing thread synchronization serial process corresponding to described Element management system.
7, the method for network management interface information interaction according to claim 6 is characterized in that, described step B3 comprises:
B31, in described Business Processing thread, handle current request message;
B32, processed request message is carried out protocol conversion, be converted into the form that described corresponding net element management system can be discerned, stop simultaneously corresponding to the message after other Business Processing thread process of this Element management system and carry out protocol conversion;
B33, after described current request Message Processing finishes, hang up described Business Processing thread.
8, the method for network management interface information interaction according to claim 7 is characterized in that, described step D comprises:
D1, the response message of described Element management system is converted to the form that described network management system can be discerned;
D2, the response message in corresponding to the Business Processing thread of this Element management system after the treatment conversion;
D3, the response message after will handling send to described network management system.
9, the method for network management interface information interaction according to claim 8 is characterized in that, described step D2 comprises:
D21, wake the Business Processing thread of described hang-up up;
Response message in D22, the Business Processing thread after waking up after the described conversion of processing.
10, the method for network management interface information interaction according to claim 9 is characterized in that, described step B3 also comprises:
After in described Business Processing thread, will finishing dealing with or after described Business Processing thread suspension surpasses the scheduled time, finish this Business Processing thread, make other Business Processing threads that get clogged continue operation corresponding to the response message of current request message.
11, the method for network management interface information interaction according to claim 5 is characterized in that, described method also comprises:
The reporting message of E, reception different network elements management system;
F, to sending to described network management system after the described reporting message Synchronous Processing.
12, the method for network management interface information interaction according to claim 11 is characterized in that, described step F comprises:
F1, configuration are corresponding to the processing threads that reports of different network elements management system;
F2, described reporting message is converted to the form that described network management system can be discerned;
F3, by the described reporting message that reports the processing threads serial process corresponding to described Element management system;
F4, the reporting message after will handling send to described network management system.
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