CN100375446C - Availability management method for asynchronous transfer mode adaptation layer 2 service channel - Google Patents
Availability management method for asynchronous transfer mode adaptation layer 2 service channel Download PDFInfo
- Publication number
- CN100375446C CN100375446C CNB200510064577XA CN200510064577A CN100375446C CN 100375446 C CN100375446 C CN 100375446C CN B200510064577X A CNB200510064577X A CN B200510064577XA CN 200510064577 A CN200510064577 A CN 200510064577A CN 100375446 C CN100375446 C CN 100375446C
- Authority
- CN
- China
- Prior art keywords
- aal2
- status flag
- fault
- service
- artificial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007726 management method Methods 0.000 title claims abstract description 15
- 238000012546 transfer Methods 0.000 title abstract description 5
- 230000006978 adaptation Effects 0.000 title abstract 2
- 238000011084 recovery Methods 0.000 claims abstract description 6
- 230000007257 malfunction Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 235000016936 Dendrocalamus strictus Nutrition 0.000 claims description 8
- 230000000977 initiatory effect Effects 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 8
- 230000011664 signaling Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
本发明的异步传输模式适配层2业务(AAL2)通道的可用性管理方法是在无线网络控制器(RNC)中增加一个AAL2通道可用性管理单元，该管理单元再为每个AAL2通道设置故障状态标志与人工状态标志两个状态标志。上述管理单元实时检测所有的AAL2通道是否发生了硬件或软件上的故障、故障的恢复情况，实时接收人工的禁止使用与允许使用的操作命令，在设备刚开始运行时执行解闭塞操作及定时检测AAL2通道的所有状态标志，进而执行相应的闭塞与解闭塞操作及修改相应的状态标志，从而可以及时地将系统中发生故障的AAL2资源剥离出去，避免了由此而发生的业务失败，并在条件允许时及时恢复它的使用，有利于系统设备的稳定。
The usability management method of Asynchronous Transfer Mode Adaptation Layer 2 service (AAL2) channel of the present invention is to increase an AAL2 channel availability management unit in the radio network controller (RNC), and this management unit is set fault status sign for each AAL2 channel again Two status flags with the artificial status flag. The above-mentioned management unit detects in real time whether all AAL2 channels have hardware or software faults and fault recovery conditions, receives manual operation commands for prohibiting use and allowing use in real time, and performs unblocking operations and timing detection when the equipment starts to run All the status flags of the AAL2 channel, and then perform the corresponding blocking and unblocking operations and modify the corresponding status flags, so that the faulty AAL2 resources in the system can be stripped out in time, avoiding the resulting business failure, and in the system. Resuming its use in time when conditions permit is conducive to the stability of system equipment.
Description
Technical field
The present invention relates to a kind of method that the communication resource is carried out the availability management, relate in particular to a kind of to adopting asynchronous transfer mode (Asynchronous Transfer Mode) (hereinafter to be referred as ATM) technology as the availability management method of AAL 2 business (ATMAdaptation Layer 2) (hereinafter to be referred as the AAL2) channel resource between the network element devices such as core net (Core Network) (hereinafter to be referred as CN), wireless network control device (Radio Network Controller) (hereinafter to be referred as RNC) and base station node B of the 3-G (Generation Three mobile communication system) of terrestrial transmission carrying.
Background technology
When 3-G (Generation Three mobile communication system) used atm technology to carry as terrestrial transmission, the Iu-cs interface between CN and RNC all adopted AAL2 channel transfer voice and data on Iub interface between RNC and base station node B and the Iur interface between RNC.
Will dispose one or more AAL2 passages in advance between two network elements of transceive data, each AAL2 passage identifies with a PathId, and each AAL2 passage can be managed a plurality of subchannels again, and each subchannel uses a Cid to identify.Before using the professional transmission of AAL2 data, must set up logic with access control protocol (Access Link Control Application Protocol) (hereinafter to be referred as ALCAP) between two network elements earlier and connect, each connects a subchannel that uses in the AAL2 passage.
The network element both sides need manage them when using these AAL2 passages.The network element both sides can require some AAL2 passage to carry out resource according to the situation of equipment operation or manual command to reset, ban use of or come into operation again, and these functions are by the resetting of ALCAP agreement, inaccessible and separate seclusion and realize.
The ALCAP agreement has all defined two Status Flags for each end of each bar AAL2 passage: local terminal Status Flag and far-end Status Flag, each Status Flag have inaccessible and separate inaccessible two states.The local terminal Status Flag of one end is corresponding with the far-end Status Flag of the other end.The AAL2 passage that has only local terminal Status Flag and far-end Status Flag all to be configured to separate blocked state can be come into operation.
Fig. 1 is for known obturation and separate the seclusion schematic diagram, has described the signaling message of AAL2 passage transmission and the update method of local terminal Status Flag and far-end Status Flag.The A of AAL2 passage end all is to separate blocked state with the local terminal Status Flag and the far-end Status Flag of B end when initial among the figure, and a seclusion is initiated to the other side respectively earlier in the AB two ends, and the AB two ends are initiated one more respectively and separated seclusion then.As shown in Figure 1, when requiring to ban use of certain AAL2 passage, certain network element just initiates seclusion, the initiator is arranged to blocked state (Local block) to the local terminal Status Flag of AAL2 passage, and send inaccessible demand signalling message (BLO) to the other side's network element, carry in the message by the AAL2 channel number PathId of obturation, receive that the network element of inaccessible request is arranged to blocked state (Remote block) to the far-end Status Flag of corresponding AAL2 passage, send obturation to the other side then and reply signaling message (BLC), this AAL2 passage both sides network element just all can not use like this.
Separate obturation and be inaccessible inverse process, as shown in Figure 1, by the AAL2 passage of obturation, have only and initiate that inaccessible end seclusion of just having the right to initiate to separate.Initiation is separated an inaccessible side and is at first separated inaccessible demand signalling message (UBL) to the transmission of the other side's network element, receive that separating inaccessible network element of asking is arranged to separate blocked state (Remote unblock) to the far-end Status Flag of corresponding AAL2 passage, separate obturation to the other side's transmission then and reply signaling message (UBC), initiation is separated an inaccessible side and is only being received that ability is arranged to separate blocked state (Local unblock) to the local terminal Status Flag of AAL2 passage when separating inaccessible response message, and this AAL2 passage can come into operation again like this.
But there is following problem in use in the AAL2 passage:
1, take place unusually when this locality detects some AAL2 resources, for example transmission network is interrupted, and the unit of being in charge of AAL2 channel resource situation such as break down is at this moment if continue to use these AAL2 passages can cause upper-layer service to come a howler when setting up transmission bearer.
2, the use if some AAL2 channel resource is under an embargo when generation is unusual when recovering from unusual, needs in time they are come into operation once more, otherwise can cause the waste of resource.
3, when just moving at the beginning, system equipment need select one or more AAL2 passages to come into operation, but local device does not also know whether whether the other side's equipment has disposed corresponding AAL2 passage, these AAL2 passages available on to method, apparatus, if correct selection is not made in this locality, might when application AAL2 channel resource, come a howler.
Summary of the invention
For addressing the above problem, the objective of the invention is to propose a kind of method of AAL2 passage availability management of automation.
The availability management method of the AAL2 passage that the present invention proposes is characterized in that increasing an AAL2 passage availability management unit and manages these AAL2 passages in RNC.
Except local terminal Status Flag and far-end Status Flag, above-mentioned administrative unit is provided with two Status Flags for each AAL2 passage again: malfunction sign and artificial Status Flag.Wherein, above-mentioned malfunction sign comprises fault and fault-free two states, is used for writing down each AAL2 passage whether fault has taken place; Above-mentioned artificial Status Flag comprises and bans use of and allow to use two states, is used for representing that whether each AAL2 passage is by artificial banning use of.Wherein, the Status Flag of the above-mentioned AAL2 passage of permission use as shown in Figure 2.
Above-mentioned administrative unit need be carried out following operation:
Operation 1, detect all AAL2 passages in real time whether the fault on the hardware and software taken place, and the recovery situation of fault, according to fault take place with recovery situation carry out corresponding fault trigger inaccessible with separate block service and revise corresponding Status Flag;
Operation 2, receive the artificial operational order used of banning use of and allow in real time, carry out corresponding manual activation inaccessible with separate block service and revise corresponding Status Flag;
Operation 3, actuating equipment powers on to trigger and separates block service when equipment just brings into operation;
Operation 4, regularly detect all Status Flags of AAL2 passage, according to the logical relation between each Status Flag determine whether execution cycle property triggering inaccessible with separate block service and revise corresponding Status Flag.
In above-mentioned situation, the administrative unit decision is the execution block service or carries out and separate block service that the aim of foundation is:
1) initiating block service only need satisfy and fault has taken place and received an artificial condition that one of bans use of in the order;
2) initiate to separate block service and need satisfy the passage fault-free simultaneously, and artificial two conditions of use that allow.
Use said method to have following function and effect:
1, the AAL2 passage that breaks down from the command of execution bans use of, in order to avoid traffic affecting calls, guarantees the success rate of service dispatching.
2, allow the AAL2 passage that can meet the demands in time come into operation, improve the service efficiency of AAL2 passage.
3, when just bringing into operation, network element device correctly selects available AAL2 passage.
Use this method in time the AAL2 resource that breaks down in the system to be peeled off away, avoided the service fail that takes place therefrom, and when conditions permit, in time recover its use.Do like this and can keep a rational availability for the AAL2 passage in time automatically, help the stable of system equipment.Comparatively speaking, in the prior art, it is low only by background manage software the AAL2 channel resource to be managed efficient by the plant maintenance personnel, can not in time handle it to the generation and the recovery of abnormal conditions.
Below in conjunction with accompanying drawing, the concrete enforcement of the method for the invention is described in further detail.For those skilled in the art that, from the description to the inventive method, above-mentioned and other purposes of the present invention, feature and advantage will be apparent.
Description of drawings
Fig. 1 is for known obturation and separate the seclusion schematic diagram.
Fig. 2 is for allowing to use the Status Flag figure of AAL2 passage.
Fig. 3 is the triggering of being broken down by the AAL2 passage, the Status Flag figure after seclusion is finished.
Fig. 4 is recovered and manually allows to use the AAL2 passage to trigger by the AAL2 channel failure, separates the Status Flag figure after seclusion is finished.
Fig. 5 serves as reasons and manually bans use of the AAL2 passage to trigger the Status Flag figure after seclusion is finished.
Fig. 6 separates Status Flag figure before the seclusion for periodic triggers.
Fig. 7 is the Status Flag figure before the periodic triggers seclusion.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
In order to keep a rational availability for the AAL2 passage in time automatically, administrative unit needs to detect all AAL2 passages in real time whether fault has taken place, after detecting some AAL2 passages fault taken place, administrative unit just is arranged to malfunction to the malfunction sign of this AAL2 passage, and the triggering seclusion, both sides' network element just can not re-use this AAL2 passage that breaks down after seclusion was finished.Status Flag after seclusion is finished as shown in Figure 3.Recover from fault when detecting some AAL2 passages, administrative unit just is arranged to unfaulty conditions to the malfunction sign of this AAL2 passage, at this moment also to check artificial Status Flag, if artificial Status Flag is in the permission user mode, administrative unit just initiates to separate block service, separate this AAL2 passage of block service success back and be configured to local terminal in this locality and separate blocked state, be configured to far-end and separate blocked state on the other side's network element, both sides' network element just can reuse this AAL2 passage.Separate after seclusion is finished Status Flag as shown in Figure 4.
Administrative unit needs also that real-time receiving equipment attendant sends bans use of and allows the operational order used.When receiving the operational order that bans use of certain AAL2 passage, administrative unit just is arranged to ban use of state to the artificial Status Flag of this AAL2 passage, and the triggering seclusion, both sides' network element just can not re-use this forbidden AAL2 passage after seclusion was finished.Status Flag after seclusion is finished as shown in Figure 5.When receiving the operational order that allows to use certain AAL2 passage, administrative unit just is arranged to allow user mode to the artificial Status Flag of this AAL2 passage, at this moment also to check the malfunction sign, if the malfunction sign is in unfaulty conditions, administrative unit is just initiated to separate seclusion, and both sides' network element just can reuse this AAL2 passage.Separate after seclusion is finished Status Flag as shown in Figure 4.
Administrative unit is arranged to blocked state to the local terminal Status Flag of all AAL2 passages when equipment just brings into operation, if being in, artificial Status Flag allow user mode and malfunction sign to be in unfaulty conditions, just trigger and separate seclusion, if the other side's network element also agrees to use this AAL2 passage, then this locality can be received and be separated inaccessible response message, this AAL2 passage just can normally come into operation like this, if the other side's network element can't use this AAL2 passage, then this locality just can not receive and separates inaccessible response message, the local terminal Status Flag remains on blocked state, just can not use this AAL2 passage.So just can reach the purpose of when the device power initialization, correctly selecting available AAL2 passage.
Because it is inaccessible or separate seclusion and may come a howler for some reason, administrative unit also needs the Status Flag of all AAL2 passages is carried out the timing cycle verification, when the state of finding the AAL2 passage as shown in Figure 6, because artificial Status Flag and malfunction sign all are in normal state, inaccessible this AAL2 passage that has no reason at present is described, at this moment just need to initiate to separate seclusion, allow the network element both sides to use this AAL2 passage.If separate inaccessible failure, can when second periodicity detects down, initiate once more, agree to use this AAL2 passage up to the other side's network element.When the state of finding the AAL2 passage as shown in Figure 7 because artificial Status Flag or malfunction sign all are in abnormal state of affairs, illustrate needs inaccessible this AAL2 passage at present, forbids network element both sides use.
Trigger and the cycle checking procedure by fault triggering described above, manual activation, device power, AAL2 passage availability management unit can be initiated corresponding obturation or be separated seclusion, make great efforts to make each Status Flag interdigit of AAL2 passage to keep normal logical relation, reach the purpose of the AAL2 passage being carried out availability management.Because the far-end Status Flag is subjected to the other side's network element control, its Status Flag form is just no longer listed.
Though the present invention with preferred embodiment openly as above, the example of the visualization that this just lifts for the ease of understanding should not be considered to be limitation of the scope of the invention.Equally; the ordinary skill of technical field all can be according to the description of technical scheme of the present invention and preferred embodiment thereof under any; make various possible being equal to and change or replacement, but all these changes or replacement all should belong to the protection range of claim of the present invention.
Claims (4)
1. the availability management method of AAL 2 service channels, it is characterized in that in radio network controller, increasing AAL 2 service channel availability management unit, except local terminal Status Flag and far-end Status Flag, above-mentioned administrative unit is provided with two Status Flags for each AAL 2 service channel again: malfunction sign and artificial Status Flag, and manage operation according to the logical relation between each Status Flag;
Wherein, above-mentioned malfunction sign comprises fault and fault-free two states, writes down each AAL 2 service channel whether fault has taken place; Above-mentioned artificial Status Flag comprises and bans use of and allow to use two states, whether writes down each AAL 2 service channel by artificial banning use of.
2. method according to claim 1, it is characterized in that allowing to use the Status Flag of above-mentioned AAL 2 service channels to be: artificial Status Flag uses for allowing, malfunction is masked as fault-free, and the local terminal Status Flag is for separating obturation, and the far-end Status Flag is for separating obturation.
3. method according to claim 1 is characterized in that the bookkeeping of above-mentioned administrative unit comprises following operation:
Operation 1, detect all AAL 2 service channels in real time whether the fault on the hardware and software has taken place, and the recovery situation of fault, take place to carry out corresponding fault according to fault and trigger obturation and separate block service and revise corresponding Status Flag with recovery situation;
Operation 2, receive the artificial operational order used of banning use of and allow in real time, carry out corresponding manual activation inaccessible with separate block service and revise corresponding Status Flag;
Operation 3, actuating equipment powers on to trigger and separates block service when equipment just brings into operation;
Operation 4, regularly detect all Status Flags of AAL 2 service channels, according to the logical relation between each Status Flag determine whether execution cycle property triggering inaccessible with separate block service and revise corresponding Status Flag.
4. method according to claim 3 is characterized in that above-mentioned administrative unit decision is the execution block service or carries out and separate block service that the aim of foundation is:
1) initiating block service only need satisfy and fault has taken place and received an artificial condition that one of bans use of in two conditions of order;
2) initiate to separate block service and need satisfy the passage fault-free simultaneously, and artificial two conditions of use that allow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510064577XA CN100375446C (en) | 2005-04-15 | 2005-04-15 | Availability management method for asynchronous transfer mode adaptation layer 2 service channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510064577XA CN100375446C (en) | 2005-04-15 | 2005-04-15 | Availability management method for asynchronous transfer mode adaptation layer 2 service channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1848755A CN1848755A (en) | 2006-10-18 |
| CN100375446C true CN100375446C (en) | 2008-03-12 |
Family
ID=37078134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510064577XA Expired - Fee Related CN100375446C (en) | 2005-04-15 | 2005-04-15 | Availability management method for asynchronous transfer mode adaptation layer 2 service channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100375446C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101267427A (en) * | 2007-03-12 | 2008-09-17 | 中兴通讯股份有限公司 | Interactive inquiry method for media channel status |
| CN101257438B (en) * | 2008-01-22 | 2010-07-14 | 中兴通讯股份有限公司 | Method for keeping consistence of channel occlusion state among nodes |
| CN101938753A (en) | 2009-06-30 | 2011-01-05 | 上海贝尔股份有限公司 | Synchronization method for states of AAL2 paths and device thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002098165A1 (en) * | 2001-06-01 | 2002-12-05 | Telefonaktiebolaget L M Ericsson (Publ) | Bandwidth efficient quality of service separation of aal2 traffic |
| CN1663193A (en) * | 2001-05-29 | 2005-08-31 | 汤姆森许可贸易公司 | Method for managing link resources in a communication network |
| WO2005094004A1 (en) * | 2004-03-04 | 2005-10-06 | Cisco Technology, Inc. | Methods and devices for high network availability |
-
2005
- 2005-04-15 CN CNB200510064577XA patent/CN100375446C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1663193A (en) * | 2001-05-29 | 2005-08-31 | 汤姆森许可贸易公司 | Method for managing link resources in a communication network |
| WO2002098165A1 (en) * | 2001-06-01 | 2002-12-05 | Telefonaktiebolaget L M Ericsson (Publ) | Bandwidth efficient quality of service separation of aal2 traffic |
| WO2005094004A1 (en) * | 2004-03-04 | 2005-10-06 | Cisco Technology, Inc. | Methods and devices for high network availability |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1848755A (en) | 2006-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102104893B (en) | Method, device and wireless access point equipment for realizing hot backup of wireless controller | |
| CN103313420A (en) | Terminal link release method, access network device and terminal | |
| CN101150838A (en) | A method and system for inter-system switching | |
| CN101536568A (en) | Method for recovering connectivity in the event of a failure in a radio communications system and controlling node thereof | |
| CN102724770A (en) | Method, device and system for switching state of user equipment | |
| CN101801016A (en) | Communication method and local management system | |
| CN104580744B (en) | The control method of terminal, the control device of terminal and terminal | |
| CN100375446C (en) | Availability management method for asynchronous transfer mode adaptation layer 2 service channel | |
| CN100456698C (en) | A method for starting a base station | |
| CN100531193C (en) | Releasing method of H.248 protocol resource | |
| CN103249100B (en) | A kind of method and terminal for handling data transmission service | |
| CN101159558B (en) | Method and device of obtaining veneer sign and a veneer | |
| CN101257438B (en) | Method for keeping consistence of channel occlusion state among nodes | |
| CN101114929B (en) | Method of establishing interlinkage for preventing communication abnormality between network management terminal and equipment | |
| WO1999048307A1 (en) | Method and system for ensuring a pstn protocol restart procedure as defined by the v5 standard | |
| CN100499500C (en) | Method for realizing management for multistage communication device | |
| CN101316152B (en) | Processing method of wireless network controller to error indication | |
| CN100382635C (en) | Method for establishing multiple carrier frequency samll area | |
| CN101465767B (en) | Alarm detection method and device for medium gateway network interface | |
| CN101790246A (en) | Method, device and system for local exchange | |
| JP3037233B2 (en) | Personal communication system | |
| JP3564425B2 (en) | Mobile communication system | |
| CN101778312B (en) | Detection method of residual connection of ASON/GMPLS (automatic switch optical network/generalized multiprotocol label switching) | |
| CN102083117A (en) | IMA (Inverse Multiplexing for ATM) set fault treatment method of TD-SCDMA RNC (Time Division-Synchronization Code Division Multiple Access Radio Network Controller) equipment | |
| CN107690156A (en) | A kind of method of handling failure reduction pattern and base station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HAIAN INSTITUTE OF HIGH-TECH RESEARCH, NANJING UNI Free format text: FORMER OWNER: ZTE CORPORATION Effective date: 20140917 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518057 SHENZHEN, GUANGDONG PROVINCE TO: 226600 NANTONG, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140917 Address after: 226600 No. 288 Changjiang West Road, Haian County, Nantong, Jiangsu Patentee after: HAIAN INSTITUTE OF HIGH-TECH RESEARCH, NANJING UNIVERSITY Address before: 518057 Nanshan District, Guangdong high tech Industrial Park, science and Technology Industrial Park, ZTE building, block A, layer 6, layer Patentee before: ZTE Corporation |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 Termination date: 20160415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |