CN102547819B - Method for solving problem of double streams under 1+1 scene - Google Patents
Method for solving problem of double streams under 1+1 scene Download PDFInfo
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- CN102547819B CN102547819B CN201210002947.7A CN201210002947A CN102547819B CN 102547819 B CN102547819 B CN 102547819B CN 201210002947 A CN201210002947 A CN 201210002947A CN 102547819 B CN102547819 B CN 102547819B
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Abstract
The invention provides a method and device for solving the problem of double streams under a 1+1 scene. The method comprises the following steps of: obtaining the APS (Active Phase Switching) state of a standby RSG (Rate Signal Generator) and the state of a working PW (Pulse Doppler); and if determining that the state of the RSG is switched according to the APS state of the standby RSG, and the working PW is normal according to the state of the working PW, blocking off the flux in the direction of the working PW. The embodiment of the invention can reduce loads and improves the transmission quality.
Description
Technical field
The present invention relates to mobile communication technology field, relate in particular to the method and apparatus of solving problem of double streams under a kind of 1+1 scene.
Background technology
In Internet protocol (Internet Protocol, IP) wireless access network (Radio Access Network, RAN) reliability solution, require high for business performance of handoffs.Under 1+1 scene; in order to ensure performance of handoffs; can be at radio network controller (Radio Network Controller; RNC) side gateway (RNC Site Gateway; and base station controller (Base Station Controller RSG); or radio network controller (Radio Network Controller BSC); RNC) (be designated hereinafter simply as BSC/RNC) between dispose strengthen APS (Enhanced Automatic Protection Switch, E-APS) technology.In addition, for (the Cell Site Gateway from BSC/RNC side to base station side gateway, CSG) traffic transport of side, the upper configuration of BSC/RNC is two to be sent out, after two of configurations, BSC/RNC can send to flow respectively main RSG and standby RSG, if there is no fault between main RSG and standby RSG, main RSG and standby RSG can be by backup (Inter Chasis Backup between frame between the two, ICB) pseudo-line (Pseudo Wire, PW) mutual message, it oneself is standby RSG that standby RSG is known, standby RSG is determining it oneself is for after RSG, the flow from BSC/RNC to be abandoned.Therefore the flow that, BSC/RNC sends will only send to CSG by the work PW between main RSG and main RSG and CSG (working PW).Now, the upper reception of CSG is a flow.
But; if broken down between main RSG and standby RSG; so main RSG and standby RSG message alternately; standby RSG does not just know it oneself is standby RSG; now; standby RSG can process oneself being used as main equipment; therefore; the flow that BSC/RNC sends can not be dropped on standby RSG; now; the two flows of sending out of BSC/RNC can send to CSG by the work PW between main RSG and main RSG and CSG (working PW), in addition, also can send to CSG by the protection PW (protection PW) between standby RSG and standby RSG and CSG.On CSG, can receive like this two parts of flows.Because CSG is positioned at base station side, can increase load and reduce transmission quality when receiving on CSG after two parts of flows.
Summary of the invention
The invention provides the method and apparatus of solving problem of double streams under a kind of 1+1 scene, avoid on CSG, occurring double flow when breaking down between main RSG and standby RSG, and then reduce load and improve transmission quality.
The method that the invention provides solving problem of double streams under a kind of 1+1 scene, comprising:
Obtain the APS state of standby RSG and the state of work PW;
If determine that according to the APS state of described standby RSG standby RSG has carried out state and switched, and determine that according to the state of described work PW work PW is normal, block from the flow in work PW direction.
The equipment that the invention provides solving problem of double streams under a kind of 1+1 scene, comprising:
Acquisition module, for obtaining the APS state of standby RSG and the state of work PW;
Blocking-up module, for determining that according to the APS state of described standby RSG standby RSG generation state switching, and while determining that according to the state of described work PW work PW is normal, blocking-up is from the flow in work PW direction.
As shown from the above technical solution; the embodiment of the present invention is by the time switching for RSG generation state and the PW that works is normal, and blocking-up, from the flow in work PW direction, can receive only the flow in self-shield PW direction; avoid occurring double flow, and then reduce load and improve transmission quality.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the method flow schematic diagram of first embodiment of the invention;
Fig. 2 is the method flow schematic diagram of second embodiment of the invention;
Fig. 3 is the 1+1 scene schematic diagram that Fig. 2 is corresponding;
Fig. 4 is the device structure schematic diagram of third embodiment of the invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the method flow schematic diagram of first embodiment of the invention, comprising:
Step 11:CSG obtains the APS state of standby RSG and the state of work PW;
Wherein, can be in CSG and standby RSG deploy APS agreement, so that CSG is known the state of standby RSG, can between CSG and main RSG, dispose detection protocol, know the state of the work PW (working PW) between CSG and main RSG by link detecting mode.
For example, when the APS state machine that CSG configures by self receives the notification message of standby RSG transmission, can determine for RSG generation state and switch, wherein, described notification message shows to switch for RSG generation state, and described notification message is that described standby RSG breaks down and also after switch status, sends between definite main RSG and standby RSG.
Again for example, if CSG receives the heartbeat message that main RSG adopts detection protocol to send on work PW, determine that work PW is normal.
Step 12: if determine for RSG generation state and switch according to the APS state of described standby RSG, and determine that according to the APS state of described work PW work PW is normal, block from the flow in work PW direction.
Wherein, in CSG, can preserve forwarding-table item, in order to show to receive the flow of which direction, if the forwarding-table item of a direction is invalid, show to receive the flow from correspondence direction.Therefore,, in the present embodiment, it is invalid to be set to from the forwarding-table item of work PW direction, to block from the flow in work PW direction.
The present embodiment is by the time switching for RSG generation state and the PW that works is normal, and blocking-up, from the flow in work PW direction, can receive only the flow in self-shield PW direction, avoids occurring double flow, and then reduces load and improve transmission quality.
Fig. 2 is the method flow schematic diagram of second embodiment of the invention, and Fig. 3 is the 1+1 scene schematic diagram that Fig. 2 is corresponding.
Referring to Fig. 3, the present embodiment is for 1+1 scene, and namely BSC/RNC upper configuration pair is sent out, between RSG and BSC/RNC, dispose E-APS, dispose after E-APS, if do not broken down between main RSG and standby RSG, between main RSG and standby RSG, can pass through the mutual heartbeat message of ICB PW.In the time breaking down between main RSG and standby RSG; two RSG are that main equipment is processed oneself being used as; therefore, flow can be respectively by main RSG and work PW (Working PW), and by standby RSG with protect PW (Protection PW) to send.
Referring to Fig. 2, the present embodiment comprises:
Step 21: standby RSG detects between main RSG and standby RSG and breaks down.
For example, referring to Fig. 3, after the ICB PW between main RSG and standby RSG breaks, standby RSG can not receive the heartbeat message of autonomous RSG again, can detect between main RSG and standby RSG and break down.
Step 22: the state of the PW-APS state machine that standby RSG configures self is switched to protection PW from ICB PW.
Wherein, in the present embodiment, will between CSG and RSG, also dispose APS, the APS of this deployment can be called PW-APS.
And, because common state machine is deployed in standby RSG side, therefore, will be at standby RSG and CSG deploy PW-APS state machine in the present embodiment.
In addition, after breaking down, the state of state machine can switch conventionally; the state of state machine is ICB PW when normal between main RSG and standby RSG again; therefore,, while there is above-mentioned fault in the present embodiment, the state of the PW-APS state machine on standby RSG will be switched to protection PW from ICB PW.
Step 23: standby RSG by the state notifying after switching to CSG.
Wherein, on CSG, also can dispose PW-APS state machine.Like this, standby RSG and CSG can, by protection PW alternately for the message of notify status, make CSG know the state of standby RSG.
Step 24:CSG is according to the state of standby RSG notice, and the state of the PW-APS state machine that self is configured is switched to protection PW from work PW.
Wherein, when CSG receives the result after switching of standby RSG, be switched to protection PW above because this result shows standby RSG, CSG also needs to be switched on protection PW.
Referring to Fig. 3, when CSG is switched to after protection PW, if CSG will, to BSC/RNC transmitted traffic, will send from protection PW.
The state of step 25:CSG inquiry work PW, if work PW is normal, the defect state that work PW is set is zero defect.
Wherein, owing to having disposed detection protocol between CSG and main RSG, therefore, between CSG and main RSG alternately heartbeat message to determine that whether work PW normal.
Step 26:CSG is in the time that the defect state of selecting protection PW and definite work PW is zero defect, and blocking-up is from the flow of work PW direction.
Referring to Fig. 3, be all switched to protection PW above due to CSG with for RSG, flow can send to CSG from protection PW, on CSG, receive two parts of flows, and CSG will block from the flow on work PW.
Particularly, in CSG, can preserve forwarding-table item, for showing to receive the flow of which direction.In order to block the flow from work PW direction, it is invalid to be set to from the mark of work PW direction in can forwarding-table item.
The present embodiment by arranging respectively APS state machine on CSG and standby RSG; and standby RSG is finding main RSG and is switching and notify to CSG for carrying out state after breaking down between RSG; CSG is in the time determining that standby RSG switches and determines that work PW is normal; blocking-up is from the flow in work PW direction; can receive only the flow in self-shield PW direction; avoid occurring double flow, and then reduce load and improve transmission quality.
Fig. 4 is the device structure schematic diagram of third embodiment of the invention, comprises acquisition module 41 and blocking-up module 42; Acquisition module 41 is for obtaining the APS state of standby RSG and the state of work PW; Blocking-up module 42 is for determining that according to the APS state of described standby RSG standby RSG generation state switching, and while determining that according to the state of described work PW work PW is normal, blocking-up is from the flow in work PW direction.
Optionally, described acquisition module is used for: the APS state machine configuring by self receives the notification message that standby RSG sends, described notification message shows to switch for RSG generation state, described notification message is that described standby RSG breaks down and also after switch status, sends between definite main RSG and standby RSG, determines for RSG generation state and switches according to described notification message.
Optionally, described acquisition module is used for: if receive the heartbeat message that main RSG adopts detection protocol to send on work PW, determine that work PW is normal.
Optionally, described blocking-up module is used for: it is invalid to be set to from the forwarding-table item of work PW direction.
Optionally, this equipment can also comprise: sending module, for when to BSC/RNC transmitted traffic, from protection, PW sends.
The present embodiment is by the time switching for RSG generation state and the PW that works is normal, and blocking-up, from the flow in work PW direction, can receive only the flow in self-shield PW direction, avoids occurring double flow, and then reduces load and improve transmission quality.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in a computer read/write memory medium, this program, in the time carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a method for solving problem of double streams under 1+1 scene, is characterized in that, comprising:
Obtain the APS APS state of standby radio network controller side gateway RSG and the state of the pseudo-line PW of work;
If determine for RSG generation state and switch according to the APS state of described standby RSG, and determine that according to the state of described work PW work PW is normal, block from the flow in work PW direction;
Wherein, described in obtain the APS state of standby RSG, comprising:
The APS state machine configuring by self receives the notification message that standby RSG sends, described notification message shows to switch for RSG generation state, described notification message is that described standby RSG breaks down and also after switch status, sends between definite main RSG and standby RSG, determines for RSG generation state and switches according to described notification message.
2. method according to claim 1, is characterized in that, described in obtain the state of work PW, comprising:
If receive the heartbeat message that main RSG adopts detection protocol to send on work PW, determine that work PW is normal.
3. method according to claim 1, is characterized in that, described blocking-up, from the flow in work PW direction, comprising:
It is invalid to be set to from the forwarding-table item of work PW direction.
4. according to the method described in claim 1-3 any one, it is characterized in that, also comprise:
When to BSC/RNC transmitted traffic, from protection, PW sends.
5. an equipment for solving problem of double streams under 1+1 scene, is characterized in that, comprising:
Acquisition module, for obtaining the APS APS state of standby radio network controller side gateway RSG and the state of the pseudo-line PW of work;
Blocking-up module, for determining that according to the APS state of described standby RSG standby RSG generation state switching, and while determining that according to the state of described work PW work PW is normal, blocking-up is from the flow in work PW direction;
Wherein, described acquisition module is used for:
The APS state machine configuring by self receives the notification message that standby RSG sends, described notification message shows to switch for RSG generation state, described notification message is that described standby RSG breaks down and also after switch status, sends between definite main RSG and standby RSG, determines for RSG generation state and switches according to described notification message.
6. equipment according to claim 5, is characterized in that, described acquisition module is used for:
In the time receiving main RSG and adopt the heartbeat message that detection protocol sends on work PW, determine that work PW is normal.
7. equipment according to claim 5, is characterized in that, described blocking-up module is used for:
It is invalid to be set to from the forwarding-table item of work PW direction.
8. according to the equipment described in claim 5-7 any one, it is characterized in that, also comprise:
Sending module, for when to BSC/RNC transmitted traffic, from protection, PW sends.
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| CN201210002947.7A CN102547819B (en) | 2012-01-06 | 2012-01-06 | Method for solving problem of double streams under 1+1 scene |
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| CN201210002947.7A CN102547819B (en) | 2012-01-06 | 2012-01-06 | Method for solving problem of double streams under 1+1 scene |
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| CN102547819B true CN102547819B (en) | 2014-07-30 |
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| CN103052106B (en) | 2012-12-20 | 2016-03-09 | 华为技术有限公司 | The linear multiplex section protection method of striding equipment, gateway and controller |
| CN103905571B (en) * | 2012-12-26 | 2018-01-12 | 中国电信股份有限公司 | Methods, devices and systems for more new address information |
| CN107786435B (en) * | 2016-08-25 | 2021-06-25 | 中兴通讯股份有限公司 | Pseudo wire protection method and device |
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| CN101374075A (en) * | 2008-06-30 | 2009-02-25 | 华为技术有限公司 | Method, apparatus and system for protecting multicast source |
| CN101577671A (en) * | 2008-05-07 | 2009-11-11 | 北京启明星辰信息技术股份有限公司 | Method and system for automatically controlling flow of peer-to-peer networking service |
| CN101710877A (en) * | 2009-12-04 | 2010-05-19 | 华为技术有限公司 | Method, device and system for processing traffic flow based on pseudowire |
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| US20070239891A1 (en) * | 2006-04-06 | 2007-10-11 | Wainner Warren S | Method and apparatus for point-to-multipoint distribution using pseudowires |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101577671A (en) * | 2008-05-07 | 2009-11-11 | 北京启明星辰信息技术股份有限公司 | Method and system for automatically controlling flow of peer-to-peer networking service |
| CN101374075A (en) * | 2008-06-30 | 2009-02-25 | 华为技术有限公司 | Method, apparatus and system for protecting multicast source |
| CN101710877A (en) * | 2009-12-04 | 2010-05-19 | 华为技术有限公司 | Method, device and system for processing traffic flow based on pseudowire |
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