CN100384151C - Upgrade maintaining method for Iu interface and its system - Google Patents
Upgrade maintaining method for Iu interface and its system Download PDFInfo
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- CN100384151C CN100384151C CNB2005101153946A CN200510115394A CN100384151C CN 100384151 C CN100384151 C CN 100384151C CN B2005101153946 A CNB2005101153946 A CN B2005101153946A CN 200510115394 A CN200510115394 A CN 200510115394A CN 100384151 C CN100384151 C CN 100384151C
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- 238000012423 maintenance Methods 0.000 claims abstract description 43
- 230000011664 signaling Effects 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 14
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 9
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- 238000002360 preparation method Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 238000002955 isolation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
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- 238000012546 transfer Methods 0.000 description 3
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- 230000003044 adaptive effect Effects 0.000 description 1
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Abstract
The present invention discloses an upgrade maintenance method of Iu interfaces, which comprises the steps that an Iu interface single plate to be upgraded and maintained is selected; service data loaded to the selected Iu interface single plate is shielded; channel close requests are respectively sent to all nearby nodes of the selected Iu interface single plate. All signaling links on the Iu interface single plate are prohibited; the selected Iu interface single plate is upgraded and maintained. Correspondingly, the present invention also discloses an upgrade maintenance system of Iu interfaces. The present invention can avoid resulting in influence on the service data loaded on the upgraded and maintained Iu interface single plate to reduce call loss caused in the upgrade maintenance process of the Iu interfaces and enhance communication quality.
Description
Technical field
The present invention relates to the interface security technique field in the R4 version (UMTS 3G R4) of universal mobile telecommunications system third generation network, especially relate to a kind of upgrade maintaining method and system thereof of Iu interface single plate.
Background technology
At present in the R4 version (UMTS 3G R4) of universal mobile telecommunications system third generation network, core net (CN, Core Network) and universal land radio access web (UTRAN, UMTS Terrestrialradio access network) interface between is based on asynchronous transfer mode (ATM, AsynchronousTransfer Mode) Cheng Zai Iu interface, be that the Iu interface is exactly the media gateway (MGW of CN side, Media Gateway)/Serving GPRS Support Node (SGSN, Service GPRS Supporting node) and the interface between the radio network controller of UTRAN side (RNC, Radio Network Controller).Please refer to Fig. 1, this figure is the network configuration state diagram that connects by the Iu interface between core net CN and the UTRAN in the prior art.
Wherein the Iu interface single plate on the MGW is upgraded or when safeguarding, if also carry the ATM business on this Iu interface single plate, just may cause the ATM service data loss that carries on this Iu interface single plate, cause call loss, this will be insufferable for the communications industry.
Operation has ATM Adaptation Layer type 2 signaling protocol (Q.AAL2 on the Iu of MGW interface, ATMAdaptation Layer type 2 Signaling Protocol) and the adaptive B-ISDN agreement of message transfer part level 3 (Message Transfer Part Level 3 B-ISDN), these two kinds of agreements itself just can be carried out certain isolation and load sharing processing to business datum.Wherein the Q.AAL2 agreement can be supported the passage blocking function, the MTP3B agreement can be supported the deexcitation of link and forbid, therefore these two kinds of agreements are in conjunction with reducing the influence of breaking down loaded service on it is brought owing to the Iu interface single plate to a certain extent, but its processing procedure but has certain delay and limitation, and can't avoid fully because the service data loss phenomenon that Iu interface single plate fault is caused.
Summary of the invention
The technical problem to be solved in the present invention is to propose a kind of upgrade maintaining method and system thereof of Iu interface single plate, loaded service data on the Iu interface single plate that is upgraded maintenance are impacted avoiding, thereby reduce the call loss that Iu interface single plate upgrade maintenance process is caused, improve communication quality.
For addressing the above problem, the technical scheme that the present invention proposes is as follows:
A kind of upgrade maintaining method of Iu interface single plate comprises step:
A, selected Iu interface single plate of preparing to carry out upgrade maintenance;
B, shielding are to described selected Iu interface single plate bearer service data; And
C, to each neighbors inaccessible request of transmission path respectively of described selected Iu interface single plate;
D, forbid all signaling links on the described selected Iu interface single plate;
E, described selected Iu interface single plate is carried out upgrade maintenance handle.
Preferably, selected Iu interface single plate has slave board in the described steps A; Also comprise the step of shielding among the described step B to the slave board bearer service data of described selected Iu interface single plate.
Preferably, also comprise step among the described step C:
Again to described selected Iu interface single plate being sent the inaccessible request of neighbors transmission path that request is set up in inaccessible request, reset request or carrying of separating.
Preferably, also comprise step among the described step C:
When described selected Iu interface single plate generation homing action, again to each neighbors inaccessible request of transmission path respectively of this Iu interface single plate.
Preferably, also comprise step among the described step D:
When described selected Iu interface single plate generation homing action, send inhibition request message respectively by each neighbors to this Iu interface single plate, realize forbidding again all signaling links on the described selected Iu interface single plate.
Preferably, also comprise before the described step e all permanent virtual on the described selected Iu interface single plate are connected and suspend the step of carrying out Operations, Administration and Maintenance respectively.
Preferably, described neighbors is:
The radio network controller that is connected with the media gateway at described selected Iu interface single plate place; Or
Other media gateway that are connected with the media gateway at described selected Iu interface single plate place.
A kind of upgrade maintenance system of Iu interface single plate comprises:
Be used for selected preparation and carry out the selected unit of the Iu interface single plate of upgrade maintenance;
Be used to shield the first service bearer screen unit to the selected Iu interface single plate bearer service data in described selected unit; With
Be used for the inaccessible request transmitting unit of path to the inaccessible request of each neighbors difference transmission path of the selected Iu interface single plate in described selected unit;
The signaling link of all signaling links on the Iu interface single plate that is used to forbid selecting described selected unit is forbidden the unit;
Be used for the selected Iu interface single plate in described selected unit is carried out the processing unit that upgrade maintenance is handled.
Preferably, described upgrade maintenance system also comprises the second service bearer screen unit that is used to shield to the slave board bearer service data of the selected Iu interface single plate in described selected unit.
Preferably, described upgrade maintenance system also comprises being used for all permanent virtual on the selected Iu interface single plate in described selected unit are connected and suspends the time-out processing unit that carries out Operations, Administration and Maintenance respectively.
The beneficial effect that the present invention can reach is as follows:
The present invention program is by selected Iu interface single plate of preparing to carry out upgrade maintenance, then this selected Iu interface single plate is shielded the bearer service data processing, to its each neighbors respectively the inaccessible request of transmission path and forbid the processing of all signaling links after, again this selected Iu interface single plate being carried out upgrade maintenance handles, thereby can solve the professional isolating problem of each aspect of Iu interface single plate that will carry out the upgrade maintenance processing effectively, thereby prevent the influence that the Iu interface single plate is caused the bearer service data in the upgrade maintenance processing procedure, reach the reduction probability of call loss, and improved the purpose of communication quality.
Description of drawings
The network configuration state diagram of Fig. 1 for connecting by the Iu interface between core net CN in the prior art and the UTRAN;
Fig. 2 is the main realization principle flow chart of the upgrade maintaining method of Iu interface single plate of the present invention;
Fig. 3 repeats to send the processing procedure schematic diagram of BLO message to the RNC of the MGW adjacency at self place for Iu interface single plate selected in the inventive method;
Fig. 4 is the main composition structured flowchart of the upgrade maintenance system of Iu interface single plate of the present invention;
Fig. 5 forms structured flowchart for the embodiment after increasing by the second service bearer screen unit in the system of the present invention and suspending processing unit.
Embodiment
Main design philosophy of the present invention is the variety of issue that breaks down or carry out being occurred in the upgrade maintenance process at Iu interface single plate in the prior art scheme, being provided at does not increase the networking complexity, do not change interface protocol, and do not lose under the compatible prerequisite, automatically the Iu interface single plate that needs upgrade maintenance is isolated fully, and then the Iu interface single plate of isolating is fully carried out upgrade maintenance handle, have a strong impact on to avoid upgrade maintenance owing to the Iu interface single plate to cause data carried by data business on the Iu interface single plate caused, realize reducing probability of call loss, improve the purpose of communication quality.
Be explained in detail below in conjunction with the main realization principle and the embodiment thereof of each accompanying drawing the present invention program.
Please refer to Fig. 2, this figure is the main realization principle flow chart of the upgrade maintaining method of Iu interface single plate of the present invention, and its main implementation procedure comprises:
Step S10, selected Iu interface single plate of preparing to carry out upgrade maintenance has the interface single plate that polylith is connected with RNC on MGW on MGW, and every interface single plate is exactly the present invention's Iu interface single plate described here.
Step S20, shielding is to above-mentioned selected Iu interface single plate bearer service data; If above-mentioned selected Iu interface single plate has slave board, also want and then shield slave board bearer service data to this selected Iu interface single plate; Promptly the Iu interface single plate to active and standby pattern carries out the business datum isolation processing simultaneously, make and all can not born new business datum again by the active and standby Iu interface single plate after the isolation processing, local MGW can be not again to selected should be to active and standby Iu interface single plate on the distribution service data, guaranteeing at local MGW during as calling terminal, the active and standby Iu interface single plate that upgrade maintenance handles that will carry out that can not select again to select comes bearer service data respectively.
Step S30, to each neighbors inaccessible request of transmission path respectively of above-mentioned selected Iu interface single plate (BLO, Block); Promptly has ATM Adaptation Layer type 2 (AAL2 to above-mentioned segregate Iu interface single plate, ATMAdaptation Layer type 2) the inaccessible request of all the neighbors equipment transmission paths BLO that connects, make all the AAL2 paths on this segregate Iu interface single plate all be set to blocked state, forbid that RNC or adjacent neighbors equipment such as other MGW distribute new business datum on this segregate Iu interface single plate;
Separate inaccessible request, reset request or carrying when setting up request if above-mentioned selected Iu interface single plate receives that connected neighbors sends, also will separate the inaccessible request of the neighbors transmission path BLO that request is set up in inaccessible request, reset request or carrying to above-mentioned selected Iu interface single plate is sent again; This is because after above-mentioned AAL2 path obturation is finished dealing with, if receive the obturation request of the separating (UBL that neighbors equipment (as other MGW of RNC or adjacency) sends, Unblock) or during reset request RST, the blocked state that these neighbors equipment are described will be eliminated, the local MGW at selected Iu interface single plate place will send BLO to these neighborss of sending UBL or RST automatically again, and corresponding AAL2 path is carried out obturation once more; Simultaneously under above-mentioned AAL2 path blocked state, if receive the carrying foundation request (ERQ that neighbors equipment sends, Establish Request) time, the blocked state that then shows these neighbors equipment is lost, the local MGW at selected Iu interface single plate place will send a BLO to these neighborss of sending ERQ automatically again, corresponding AAL2 path is carried out obturation once more, to guarantee the consistency of channel status.
In addition, if during above-mentioned selected Iu interface single plate generation homing action, the local MGW at Iu interface single plate place that should be selected also will ask BLO to each neighbors difference transmission path obturation of this Iu interface single plate again, after promptly Xuan Ding Iu interface single plate resets, if by detecting this Iu interface single plate once by obturation with the master control borad synchronizing information, to send a BLO to its each neighbors again automatically, so that the AAL2 path between each neighbors of self and adjacency is carried out obturation once more, prevented at each neighbors device clear of Iu interface single plate reseting period the respective via blocked state.
As shown in Figure 3, repeat to send the processing procedure schematic diagram of BLO message to the RNC of the MGW adjacency at self place for Iu interface single plate selected in the inventive method, wherein Xuan Ding Iu interface single plate is when receiving UBL message that RNC sends or RST message, can at first reply corresponding UBL acknowledge message (UBC to RNC, Unblock Confirm) and RST acknowledge message (RSC, RST Confirm), and then send a BLO message to RNC again, to reach Iu interface single plate and the inaccessible once more purpose of the path between the RNC that this is selected.
Step S40 forbids all signaling links on the above-mentioned selected Iu interface single plate; Promptly after chosen Iu interface single plate is isolated, all MTP3B links on this segregate Iu interface single plate are carried out quiescing handle, (RANAP signal switching) and Q.AAL2 message traffic pass through to prevent continuing that SigTran is arranged on this selected Iu interface single plate;
In addition, if when above-mentioned selected Iu interface single plate generation homing action, also to send inhibition request message respectively to each neighbors equipment that is connected with this Iu interface single plate again, to realize forbidding again the purpose of all signaling links on this selected Iu interface single plate; That is to say, after above-mentioned selected Iu interface single plate resets, if by detecting this Iu interface single plate once by obturation with the master control borad synchronizing information, to send inhibition request message respectively from its each neighbors equipment of trend, again the MTP3B signaling link between each neighbors of self and adjacency is forbidden.
Step S50, through after above-mentioned every isolation processing, to can not carry new business datum again on the selected Iu interface single plate, and the path between each neighbors equipment also is in blocked state accordingly, make the neighbors of each adjacency can not send business datum to this selected Iu interface single plate again, signaling link between the neighbors equipment of Iu interface single plate that should be selected and correspondence also is in illegal state simultaneously, so at this moment above-mentioned selected Iu interface single plate being carried out upgrade maintenance handles, just can prevent to have influence on the business of desiring to be carried on this selected Iu interface single plate, handle the probability of call loss that is brought thereby reduced Iu interface single plate upgrade maintenance, the corresponding purpose that improves communication quality that also just reached.
Preferably, above-mentioned selected Iu interface single plate is being carried out in the isolation processing process, can also and then all permanent virtual on the selected Iu interface single plate be connected (PVC, Permanent Virtual Connection) time-out moves respectively, administer and maintain, promptly selected Iu interface single plate is being carried out as above step S10, after the isolation processing of S20 and S30, also to stop OAM(Operation Administration Maintenance) to all PVC on this Iu interface single plate automatically, so that each neighbors equipment (as RNC or SGSN etc.) of adjacency thinks that the PVC fault has appearred in this Iu interface single plate, so can not select again to think that this PVC that breaks down transmits packet switching (PS, Packet Switching) numeric field data, thus the Iu interface single plate on the MGW can not cause losing of PS numeric field data bag after can guaranteeing to reset.
Wherein mentioned neighbors includes but not limited to other MGW that are connected with local MGW with the Iu interface single plate place of selecting into the RNC that is connected with the local MGW at selected Iu interface single plate place or SGSN etc. in the said process.
Method principle corresponding to the above-mentioned proposition of the present invention, the also corresponding here upgrade maintenance system that has proposed a kind of Iu interface single plate of the present invention, please refer to Fig. 4, this figure is the main composition structured flowchart of the upgrade maintenance system of Iu interface single plate of the present invention, it comprises that mainly selected unit 10, the first service bearer screen unit 20, the inaccessible request transmitting unit 30 of path, signaling link forbid unit 40 and processing unit 50, and wherein the main effect of each part is as follows:
Selected unit 10 is mainly used in selected Iu interface single plate of preparing to carry out upgrade maintenance;
The first service bearer screen unit 20 is mainly used in the Iu interface single plate bearer service data that shielding is selected to selected unit 10;
The inaccessible request transmitting unit 30 of path is mainly used in to the inaccessible request of transmission path respectively of each neighbors of selecting the Iu interface single plate of selecting unit 10;
Signaling link is forbidden unit 40, is mainly used in all signaling links on the Iu interface single plate of forbidding selecting selected unit 10;
Please refer to Fig. 5, this figure is that the embodiment after increasing by the second service bearer screen unit in the system of the present invention and suspending processing unit forms structured flowchart, it forms on the basis of structure at above-mentioned Fig. 4, also and then include the second service bearer screen unit 60 and suspend processing unit 70, the main effect of two component units of this that increases newly is as follows:
The second service bearer screen unit 60 is mainly used in when selected unit 10 selected Iu interface single plates have slave board, and shielding is to the slave board bearer service data of selecting the Iu interface single plate of selecting unit 10;
Suspend processing unit 70, be mainly used in and all permanent virtual on the selected Iu interface single plate in selected unit 10 are connected (PVC) suspend respectively and carry out Operations, Administration and Maintenance.
The correlation technique of the upgrade maintenance system of Iu interface single plate wherein of the present invention realizes details and has corresponding technology in the upgrade maintaining method of processing intent that correlation technique realizes that details can reach and the invention described above Iu interface single plate realizing details and have the processing intent that correlation technique realization details can reach same or similar, please specifically realize that with reference to the correlation technique in the said method details and each technology thereof realize the processing intent that details can reach, and just no longer too much give unnecessary details here.
As fully visible, the present invention program can effectively solve the professional isolating problem of each aspect of Iu interface single plate that will carry out the upgrade maintenance processing, thereby prevent the influence that the Iu interface single plate is caused the bearer service data in the upgrade maintenance processing procedure, reach the reduction probability of call loss, and improved the purpose of communication quality.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. the upgrade maintaining method of an Iu interface single plate is characterized in that, comprises step:
A, selected Iu interface single plate of preparing to carry out upgrade maintenance;
B, shielding are to described selected Iu interface single plate bearer service data; And
C, to each neighbors inaccessible request of transmission path respectively of described selected Iu interface single plate;
D, forbid all signaling links on the described selected Iu interface single plate;
E, described selected Iu interface single plate is carried out upgrade maintenance handle.
2. the method for claim 1 is characterized in that, Iu interface single plate selected in the described steps A has slave board; Also comprise the step of shielding among the described step B to the slave board bearer service data of described selected Iu interface single plate.
3. the method for claim 1 is characterized in that, also comprises step among the described step C:
Again to described selected Iu interface single plate being sent the inaccessible request of neighbors transmission path that request is set up in inaccessible request, reset request or carrying of separating.
4. the method for claim 1 is characterized in that, also comprises step among the described step C:
When described selected Iu interface single plate generation homing action, again to each neighbors inaccessible request of transmission path respectively of this Iu interface single plate.
5. the method for claim 1 is characterized in that, also comprises step among the described step D:
When described selected Iu interface single plate generation homing action, send inhibition request message respectively by each neighbors to this Iu interface single plate, realize forbidding again all signaling links on the described selected Iu interface single plate.
6. the method for claim 1 is characterized in that, also comprises before the described step e all permanent virtual on the described selected Iu interface single plate are connected suspending the step of carrying out Operations, Administration and Maintenance respectively.
7. as claim 1,3,4 or 5 described methods, it is characterized in that described neighbors is:
The radio network controller that is connected with the media gateway at described selected Iu interface single plate place; Or
Other media gateway that are connected with the media gateway at described selected Iu interface single plate place.
8. the upgrade maintenance system of an Iu interface single plate is characterized in that, comprising:
Be used for selected preparation and carry out the selected unit of the Iu interface single plate of upgrade maintenance;
Be used to shield the first service bearer screen unit to the selected Iu interface single plate bearer service data in described selected unit; With
Be used for the inaccessible request transmitting unit of path to the inaccessible request of each neighbors difference transmission path of the selected Iu interface single plate in described selected unit;
The signaling link of all signaling links on the Iu interface single plate that is used to forbid selecting described selected unit is forbidden the unit;
Be used for the selected Iu interface single plate in described selected unit is carried out the processing unit that upgrade maintenance is handled.
9. system as claimed in claim 8 is characterized in that, also comprises the second service bearer screen unit that is used to shield to the slave board bearer service data of the selected Iu interface single plate in described selected unit.
10. system as claimed in claim 8 is characterized in that, comprises that also all permanent virtual connections on the Iu interface single plate that is used for described selected unit is selected suspend the time-out processing unit that carries out Operations, Administration and Maintenance respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005101153946A CN100384151C (en) | 2005-11-16 | 2005-11-16 | Upgrade maintaining method for Iu interface and its system |
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| CNB2005101153946A CN100384151C (en) | 2005-11-16 | 2005-11-16 | Upgrade maintaining method for Iu interface and its system |
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| CN1881897A CN1881897A (en) | 2006-12-20 |
| CN100384151C true CN100384151C (en) | 2008-04-23 |
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| CN101369914B (en) * | 2007-08-15 | 2011-04-20 | 华为技术有限公司 | Method and system for switching service link |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030176165A1 (en) * | 2002-03-18 | 2003-09-18 | Sumsung Electronics Co., Ltd. | System and method for on-line upgrade of call processing software using group services in a telecommunication system |
| CN1543107A (en) * | 2003-11-04 | 2004-11-03 | 中兴通讯股份有限公司 | Method of singleboard Node B software download and upgrade |
| CN1567836A (en) * | 2003-07-02 | 2005-01-19 | 华为技术有限公司 | Locking method for loading/update of net element equipment |
| CN1691814A (en) * | 2004-04-30 | 2005-11-02 | 大唐移动通信设备有限公司 | Apparatus and method for testing operating and maintaining functions of Iub interface of base station in communication system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030176165A1 (en) * | 2002-03-18 | 2003-09-18 | Sumsung Electronics Co., Ltd. | System and method for on-line upgrade of call processing software using group services in a telecommunication system |
| CN1567836A (en) * | 2003-07-02 | 2005-01-19 | 华为技术有限公司 | Locking method for loading/update of net element equipment |
| CN1543107A (en) * | 2003-11-04 | 2004-11-03 | 中兴通讯股份有限公司 | Method of singleboard Node B software download and upgrade |
| CN1691814A (en) * | 2004-04-30 | 2005-11-02 | 大唐移动通信设备有限公司 | Apparatus and method for testing operating and maintaining functions of Iub interface of base station in communication system |
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