CN1248453C - Method for realtime synchronisation of net element and telecommunication system - Google Patents
Method for realtime synchronisation of net element and telecommunication system Download PDFInfo
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Abstract
The present invention relates to a real-time data synchronizing method for a network element and a telecommunication network management system, which comprises the following steps that firstly, a network management system establishes connection with a configuration synchronization port of the network element; the network management system establishes connection at a common maintenance port and logs on a network; the network management system sends a subscription command to the network element through the common maintenance port and establishes subscription relation; the network management system issues a configuration data inquiry command through the common maintenance port to obtain the configuration data of the network element; when a local operation maintenance terminal of the network element modifies the configuration data of the network element, the network element reports a configuration modification operation MML command to the network management system through a response confirming mechanism at the configuration synchronization port, and then the network management system updates the configuration data of the network management device by analyzing the MML command; thus, the real-time data synchronization between the network management system and the network element is ensured, and the communication process is simplified; when the network element modifies the data, the network management system does not need to visit the network element to enquire which data is modified, and the network element can actively report the modified data to the network management system.
Description
Technical field
The present invention relates to the real time data method for synchronous of a kind of network element and telecom network management system, particularly a kind of based on the network element of MML (Man-Machine Language) bidding protocol and the real time data method for synchronous of telecom network management system.
Background technology
Growing along with the Modern Telecommunication technology, telecom network system becomes increasingly complex, network management system (NMS, Network Management System) effect is more and more important, and (the NE of the network element in the telecom network system, Network Element) kind is also more and more, for example, and the MSC/SGSN/RNC/NodeB/GGSN of the 3G WCDMA of field of mobile communication etc.Network element internal is preserved data configuration information, comprises hardware configuration information, service configuration information, signaling configuration information etc., and they may leave in the equipment in the mode of database or configuration file.The user can inquire about, increases, deletes, revise these configuration informations by the local operation maintenance terminal that telecommunication apparatus manufacturer provides.And some network element can also carry out Operation and Maintenance by MML (Man-Machine Language, the man-machine language) operational maintenance command that the manmachine command interface utilizes telecommunication apparatus to provide.
When network element device inserted telecom network management system, network management system also needed to keep all or part of configuration information of network element, and this generally gets from the network element inquiry by the MML order.
When the user revised the configuration information of equipment by the local operation maintenance terminal, network management system should be able in time obtain notice, and then the configuration information that refreshes self is consistent with the real time data that keeps with equipment side.
In existing telecommunication system, often adopt regularly synchronous method, promptly webmaster sends the data configuration querying command to equipment at the time point (such as specifying once a day) of certain appointment, refreshes the configuration data of self by Query Result.Two shortcomings of this method, the one, can't accomplish in real time that synchronously the configuration modification on the network element often just can be reflected on the webmaster after a while; The 2nd, no matter have or not modification all can inquire about once, and may all look into all configuration datas one time, data traffic is bigger.
Summary of the invention
The real time data method for synchronous that the purpose of this invention is to provide a kind of network element and telecom network management system, this method has realized the synchronous in real time of network management system and network element, promptly when element configuration data has modification, notify network management system to make which type of modification at once, network management system can refresh the data of self immediately, and the configuration data that need not obtain to revise by querying command.The direct interface protocol of network element and webmaster is very simple like this, realizes that cost is smaller.
For addressing the above problem, the invention provides the real time data method for synchronous of a kind of network element and telecom network management system, this method comprises the following steps: 1) network management system connects with the configuration synchronization port of network element earlier, and described configuration synchronization port is the port of network element for report the order of configuration operation man-machine language to be provided with to network management system; 2) network management system is set up TCP/IP connection and login at the common maintenance port of network element; 3) network management system sends subscribe command by common maintenance port to network element and sets up subscribing relationship; 4) after subscribing relationship was set up successfully, network management system was by common maintenance port down distributing configuration data querying command, to obtain the configuration data of this network element; 5) when the local operation maintenance terminal of described network element is revised the configuration data of network element, network element reports webmaster to configuration modification operation MML order by replying affirmation mechanism at the configuration synchronization port, webmaster is ordered the configuration data that upgrades self by analyzing MML, the described affirmation mechanism of replying is meant that network element reports configuration modification operator machine language command to webmaster, and webmaster receives that the report back sends the affirmation order to network element.
The real time data method for synchronous of described network element and telecom network management system, wherein said step 1 comprise the steps: that also the configuration synchronization port of network element only allows a connection, and when having a link, this port can be refused later connection request.
After the real time data method for synchronous of described network element and telecom network management system, wherein said step 3 comprise the steps: that also network element receives subscribe command, need to judge: 1) whether had webmaster to subscribe to, if subscription has been arranged then return to subscribe to and fail; 2) whether the webmaster address of transmission subscribe command is consistent with the webmaster address that connects the configuration synchronization port, if inconsistent returning subscribed to failure.
The real time data method for synchronous of described network element and telecom network management system, wherein said step 5 comprises the steps: that also network element gives a sequence number to each configuration modification that reports operation MML order, sequence number is defined by integer, and value 1～0 * 7FFFFFFF returns 1 after reaching maximum; Network element is preserved and currently have been reported but do not receive the sequence number of the order of affirmation.
The real time data method for synchronous of described network element and telecom network management system wherein further comprises the steps: then not report for its configuration order if it is exactly network management system that network element has issued the communication opposite end of subscribe command.
The real time data method for synchronous of described network element and telecom network management system comprises the steps: further that wherein when network element disconnected with being connected of network management system, network element should initiatively be removed subscribing relationship with network management system.
The real time data method for synchronous of described network element and telecom network management system, wherein disconnecting and also comprise the steps: 1 reconnecting after when network management system and network element) network element makes the following judgment: if the configuration operation order of off period generation all is kept in the network element buffering area, and buffering area does not overflow, then network element reports network management system to the modification order of preserving in the self buffer to configuration modification operation MML order by replying affirmation mechanism at the configuration synchronization port, otherwise enters next step; 2) network element reports the reconstruct notice by the configuration synchronization port to network management system; 3) after the reconstruct notice is received in the network management system judgement, send the configuration data querying command, to check in the configuration data of this network element, the data that update all self needs about this network element by common maintenance port.
The real time data method for synchronous of described network element and telecom network management system wherein comprises the steps: 1 in the described affirmation mechanism of replying) network element reports configuration modification operation MML order in the mode of text report to webmaster, only reports one at every turn; 2) webmaster receives that the report back sends the affirmation order to network element; 3) network element can be according to the configuration modification operation MML order of confirming to have reported in the order clear buffer success; 4), then report this configuration modification operation MML order again if overtime not the receiving of network element confirmed order.
As mentioned above, compared with prior art the present invention has following advantage:
1) guaranteed that the real time data between network management system and the network element is synchronous, solved the problem that delay is arranged in the prior art synchronously;
2) simplified communication flow, when network element generation data modification, network management system does not use on the network element to have inquired about which data modification, and network element can initiatively report.
Description of drawings
Fig. 1 is an initialization schematic flow sheet of the present invention;
Fig. 2 is the handling process schematic diagram 1 after webmaster of the present invention and network element reconnect;
Fig. 3 is the handling process schematic diagram 2 after webmaster of the present invention and network element reconnect.
Embodiment
Be described in detail as follows with regard to the preferred embodiments of the present invention below in conjunction with accompanying drawing.
Design philosophy of the present invention is so basically, and two kinds of synchronous basic skills are set:
1) after initial the installation, webmaster obtains original configuration data by the configuration querying order from network element; When needing complete reconstruct element configuration data, also adopts by webmaster this method (such as device upgrade);
2) network element is given webmaster configuration modification operation MML command report, orders the configuration data that upgrades self by webmaster by analyzing MML then.
At first define several vocabularies of terms of using below:
1) common maintenance port: be that network element provides the PORT COM that issues MML order, return results report.If adopt the TCP/IP communication, this port should have a Socket port numbers.Local operation maintenance terminal and network management system can insert this port, by the Operation and Maintenance of this port realization to network element;
2) configuration data synchronous port: the PORT COM of reported by network elements configuration operation MML order.This is the port that increases for the present invention;
3) SN: command sequence number (Serial Number) is the unique number of network element to each configuration operation order.
The basic procedure of described method is as follows:
" subscription-issue " method of employing, webmaster sends subscribe command (SRB SYNC) by common maintenance port to network element; After subscribing to successfully, the configuration operation order that network element reports webmaster to subscribe to by the configuration data synchronous port.The configuration order that issues for webmaster self then needn't report.
The communications protocol of configuration data synchronous port adopts replys affirmation mechanism:
1) network element reports the configuration operation order in the mode of text report to webmaster, only reports one at every turn;
2) webmaster receives that the report back sends affirmation order (ACK SYNC) to network element;
3) network element can be according to the order of confirming to have reported in the order clear buffer success;
4) do not confirm order if network element overtime (being decided to be 1 minute) is received, need report again.
Command sequence number (SN):
Network element gives a sequence number (SN) to each configuration operation order that reports, and sequence number is defined by integer, and value 1～0 * 7FFFFFFF returns 1 after reaching maximum.
Network element need be preserved and currently report but do not receive the sequence number of the order of affirmation.
Whether webmaster can be indifferent to the sequence number that reports continuous, and this point is guaranteed by network element.
The buffering area of network element:
Network element need be preserved the configuration operation order that does not also report webmaster, actual realization can be adopted which type of operating system, developing instrument according to the software of network element internal and be different, can use the buffering area in the internal memory, also can use database table to leave in the hard disk, be referred to as buffering area below.
Which kind of mode to realize buffering area in, and the size of buffering area is determined according to actual conditions oneself by the network element of each product.Network element will be notified the complete reconstruct data of webmaster (sending reconstruct (SYNC_ALL) notice) when buffering area overflows.
The configuration operation order of network element may be many, and the needed configuration data of network management system, the configuration operation order be concerned about may be a subclass, and these data, order all are can be predefined.Like this, network element there is no need network management system is all offered in all configuration operation orders, only the order that need report webmaster to need.In order to reach this purpose, network management system is to configuration file of each network element issue, and this document has defined the interested configuration operation order of webmaster, generally be configuration data increase, delete, change order.
Can be exemplified below (supposing to have 100 orders) with the format organization of .INI file such as this configuration file:
[SYNC_MACROS]
macro_count＝100
1＝ADD?BRD
2＝RMV?BRD
3＝...
...
100＝...
This example represents that network element need order these (together with parameter) to report network management system if the user has changed the configuration data of network element by orders such as " ADD BRD ", " RMV BRD ".
Interface definition between network element and the webmaster:
Subscribe command (SRB SYNC)
The command definition that webmaster is handed down to network element is:
SRB?SYNC：；
Returning reporting format is:
+++ HUAWEI?UMSC9810L 2001-12-04?21:15:25
O&M #12
％％SRB SYNC：；％％
RETCODE=0 runs succeeded
--- END
Illustrate:
1) RETCODE=0 represents to subscribe to successfully, other value representation failures;
2) order issues and report is returned all at common maintenance port.
Report the report of configuration operation order and confirm order
Report reporting format:
+++ HUAWEI?UMSC9810L 2001-11-0909:45:30
SYNC #165
CMD＝ADD?BRD：...；
--- END
Illustrate:
1) reports by the configuration synchronization port;
2) " #165 " is the sequence number (SN) of this configuration operation order;
3) value of " CMD=" once only reports one for being exactly the configuration operation order;
4) for the telecommunication customer end that has sent SRB SYNC subscribe command, because be exactly webmaster itself, so its configuration operation order can not report up.
Confirm command definition:
ACK?SYNC：SN＝165；
Illustrate:
1) is affirmation, issues do not have the execution result report by the configuration synchronization port to above-reported;
2) value of parameter S N should be identical with the SN value of report;
3) do not receive confirm order before, network element can not send other reports by the configuration synchronization port; Do not receive in overtime 1 minute and confirm order, network element is retransmitted report.
Initiatively SYNC_ALL notice and affirmation order
Below under several situations network element need notify webmaster that the configuration data of this network element is carried out complete reconstruct:
1) the network element buffering area overflows;
2) because abnormal cause causes the destroyed or order of buffering area to lose (restart as network element on the veneer and cause buffering area to be cleared);
3) webmaster connects again behind the network element masterslave switchover.
Network element sends to the active reconstruct (SYNC_ALL) of webmaster and notifies reporting format as follows:
+++ HUAWEI?UMSC9810L 2001-11-0909:45:30
SYNC #0
INFO＝SYNC_ALL；
--- END
Illustrate:
1) reports by the configuration synchronization port;
2) sequence number value is fixed as 0 so that and the configuration operation order report the report make a distinction;
3) value of field " INFO " is character string " SYNC_ALL ".
Confirm to order and just adopt ACK SYNC order:
ACK?SYNC:SN＝0；
Illustrate:
1) the SN parameter gets 0, does not drop in the configuration operation command sequence number scope;
2) do not receive confirm order before, network element can not send other reports by the configuration synchronization port; Do not receive in overtime 1 minute and confirm order, network element is retransmitted this notice.
Handling process of the present invention:
Handling process of the present invention is divided into following several sections
Initial flow process
Fig. 1 is an initialization schematic flow sheet of the present invention.As shown in Figure 1, when webmaster connects network element for the first time, need check in all configuration datas by querying command, the initialization flow process is (each mutual communication interface defines in front among the figure):
1) webmaster (NMS) elder generation connects with the configuration synchronization port of network element (NE);
2) NMS connects and logins at common maintenance port;
3) NMS to NE send subscribe command (" SRB SYNC:; ") set up subscribing relationship;
4) after subscribing relationship was set up successfully, NMS down distributing configuration data querying command checked in the configuration data (because when initial NMS also the data of this network element not) of this network element;
5) when the local operation maintenance terminal of equipment was revised the configuration data of network element, network element was given NMS at the configuration synchronization port revising command report after.
Set up subscribing relationship earlier, issue the query configuration order again.This is to repeat inquiry after sending the SYNC_ALL notice of receiving network element after the subscribe command;
In said method, network element also comprises the steps: the processing of described process
1) the configuration synchronization port of network element only allows a connection.When having a link, later connection request can be rejected;
2) after network element receives SRB SYNC order, need to judge:
A) whether there has been webmaster to subscribe to, if subscription has been arranged then return and subscribe to failure; (after will guaranteeing the unusual disconnection of webmaster and network element, network element is initiatively removed subscribing relationship)
Whether with the webmaster address that connect configuration synchronization port consistent, if inconsistently return failure if b) sending the webmaster address of subscribe command;
3) to have issued the communication opposite end of subscribe command be exactly webmaster for network element hypothesis, then do not report for its configuration order.
Handling process after webmaster and the network element disconnection
Following situation might take place cause connecting disconnection:
1) network element restarts;
2) network element masterslave switchover;
3) webmaster restarts;
4) communication link is closed by a side unusually.
When situation took place as above, network element should be able to initiatively be removed subscribing relationship.
Handling process after webmaster and network element reconnect:
After webmaster connects network element again, rebulids subscribing relationship, the configuration data that needs a network element of reconstruct as initial flow process? decide by network element at this, if webmaster is received the SYNC_ALL notice of network element, then webmaster down distributing configuration data querying command is all inquired about the data of network element one time and reconstruct; If do not receive, the situation of regarding as is normal, needn't reconstruct.
After network element was set up subscribing relationship, network element made the following judgment at webmaster:
1) if the configuration operation order that takes place during the disconnection all is kept in the network element buffering area (such as the database table that is kept at hard disk, do not destroy) because of restarting, switching, and buffering area does not overflow, then network element does not need to send reconstruct (SYNC_ALL), as long as the configuration operation command report in the buffering area;
2) if following situation takes place, network element need send reconstruct (SYNC_ALL) notice to webmaster:
A) the network element buffering area overflows;
B) buffering area is based upon in the internal memory, owing to restart or this buffering area of other reasons is reset;
C) network element generation masterslave switchover, network element can't be judged current which configuration of having revised;
Above the handling process of two kinds of situations see that respectively Fig. 2 and 3: Fig. 2 is webmaster of the present invention and the network element handling process schematic diagram 1 after reconnecting, the schematic flow sheet that does not promptly need reconstruct data, Fig. 3 is the handling process schematic diagram 2 after webmaster of the present invention and network element reconnect, and promptly needs the schematic flow sheet of reconstruct data.
Handling process shown in Figure 2 is:
1) the configuration synchronization port of NMS and NE rebulids and is connected;
2) NMS rebulids at common maintenance port and connects and login;
3) set up subscribing relationship;
4) NE gives NMS the modification command report of preserving in the self buffer.
Note, also not having the SYNC_ALL notice in this flow process of having saved webmaster query configuration data.
The handling process of reconstruct data shown in Figure 3 is:
1) the configuration synchronization port of NMS and NE rebulids and is connected;
2) NMS rebulids at common maintenance port and connects and login;
3) set up subscribing relationship;
4) NE reports SYNC_ALL notice (reporting format definition front provides) to NMS;
5) after the SYNC_ALL notice is received in the NMS judgement, send the configuration data that the configuration data querying command checks in this network element, the data that update all self needs about this NE.
After reconstruct is finished, if later NE has configuration modification still can report single configuration operation order.
In sum, the present invention describes the preferred embodiments of the present invention in conjunction with the accompanying drawings in detail, however description of the invention, describe in detail and above-mentioned accompanying drawing be not be used for limiting of the present invention.To those skilled in the art, can carry out various corresponding modification and can not exceed the spirit and scope of the present invention under instruction of the present invention, therefore this variation should be included within claim of the present invention and the equivalent scope thereof.
Claims (8)
1. the real time data method for synchronous of network element and telecom network management system is characterized in that comprising the following steps:
1) network management system elder generation connects with the configuration synchronization port of network element, and described configuration synchronization port is the port of network element for report the order of configuration operation man-machine language to be provided with to network management system;
2) network management system is set up TCP/IP connection and login at the common maintenance port of network element;
3) network management system sends subscribe command by common maintenance port to network element and sets up subscribing relationship;
4) after subscribing relationship was set up successfully, network management system was by common maintenance port down distributing configuration data querying command, to obtain the configuration data of this network element;
5) when the local operation maintenance terminal of described network element is revised the configuration data of network element, network element reports webmaster to configuration modification operator machine language command by replying affirmation mechanism at the configuration synchronization port, webmaster upgrades the configuration data of self by the order of analysis configuration retouching operation man-machine language, the described affirmation mechanism of replying is meant that network element reports configuration modification operator machine language command to webmaster, and webmaster receives that the report back sends the affirmation order to network element.
2. the real time data method for synchronous of network element as claimed in claim 1 and telecom network management system is characterized in that described step 1) also comprises the steps:
The configuration synchronization port of network element only allows a connection, and when having a link, this port can be refused later connection request.
3. the real time data method for synchronous of network element as claimed in claim 1 and telecom network management system is characterized in that described step 3) also comprises the steps:
After network element receives subscribe command, need to judge:
1) whether there has been webmaster to subscribe to, if subscription has been arranged then return and subscribe to failure;
2) whether the webmaster address of transmission subscribe command is consistent with the webmaster address that connects the configuration synchronization port, if inconsistent returning subscribed to failure.
4. the real time data method for synchronous of network element as claimed in claim 1 and telecom network management system is characterized in that described step 5) also comprises the steps:
Network element gives a sequence number to the configuration modification operator machine language command that each reports, and sequence number is defined by integer, and value 1～0x7FFFFFFF returns 1 after reaching maximum;
Network element is preserved and currently have been reported but do not receive the sequence number of the order of affirmation.
5. the real time data method for synchronous of network element as claimed in claim 1 and telecom network management system is characterized in that further comprising the steps:
When network element reports webmaster to configuration modification operator machine language command at the configuration synchronization port, be that network management system self issues, then needn't report webmaster if find this configuration modification operator machine language command.
6. the real time data method for synchronous of network element as claimed in claim 1 and telecom network management system is characterized in that further comprising the steps:
When network element disconnected with being connected of network management system, network element should initiatively be removed subscribing relationship with network management system.
7. the real time data method for synchronous of network element as claimed in claim 1 and telecom network management system is characterized in that disconnecting and also comprising the steps: after reconnecting when network management system and network element
1) network element makes the following judgment: if the configuration operation order that off period takes place all is kept in the network element buffering area, and buffering area does not overflow, then network element reports network management system to the modification order of preserving in the self buffer to configuration modification operator machine language command by replying affirmation mechanism at the configuration synchronization port, otherwise enters next step;
2) network element reports the SYNC_ALL notice by the configuration synchronization port to network management system;
3) after the SYNC_ALL notice is received in the network management system judgement, send the configuration data querying command, to check in the configuration data of this network element, the data that update all self needs about this network element by common maintenance port.
8. as the real time data method for synchronous of claim 1 or 7 described network elements and telecom network management system, it is characterized in that further comprising in the described affirmation mechanism of replying:
Network element reports configuration modification operator machine language command in the mode of text report to webmaster, only reports one at every turn;
Network element can be according to the configuration modification operator machine language command of confirming to have reported in the order clear buffer success;
If overtime not the receiving of network element confirmed order, then report this configuration modification operator machine language command again.
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| CN1946081B (en) * | 2006-11-14 | 2010-04-14 | 华为技术有限公司 | Method and device for realizing parameter loose coupling |
| WO2010078748A1 (en) * | 2009-01-12 | 2010-07-15 | 华为技术有限公司 | Method and device for synchronizing the configurations of the network management and the network element |
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2002
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1946081B (en) * | 2006-11-14 | 2010-04-14 | 华为技术有限公司 | Method and device for realizing parameter loose coupling |
| WO2010078748A1 (en) * | 2009-01-12 | 2010-07-15 | 华为技术有限公司 | Method and device for synchronizing the configurations of the network management and the network element |
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| CN1482767A (en) | 2004-03-17 |
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