CN1964248B - A device and method to realize backup protection of data service - Google Patents
A device and method to realize backup protection of data service Download PDFInfo
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- CN1964248B CN1964248B CN2006101384998A CN200610138499A CN1964248B CN 1964248 B CN1964248 B CN 1964248B CN 2006101384998 A CN2006101384998 A CN 2006101384998A CN 200610138499 A CN200610138499 A CN 200610138499A CN 1964248 B CN1964248 B CN 1964248B
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Abstract
The disclosed device for business data backup comprises: a data configuration module to configure parameters both work end and protection end, an alarm switch module to set state for work end and protection end according to current alarm, and a data process module to set current state for work end and protection end and select one end to send or receive data. This invention overcomes defect in prior art, and saves bandwidth resource.
Description
Technical field
The present invention relates to the data backup resist technology, relate in particular to the apparatus and method of carrying out backup protection of data service by different physical mediums.
Background technology
At communication technical field, the integrity problem of communicator and transmission line is the focus that people pay close attention to always.The method that improves the reliability of communicator and transmission line at present has a lot, wherein one exactly communicator or transmission line are taked redundancy backup, promptly when main when breaking down with device or circuit, data service energy auto switching on reserve arrangement or circuit, thereby can not cause service disconnection.
In data service reliable transmission technical field; existing protection switching technique can provide a kind of better solution; for example based on backup protection of veneer, port or SDH (Synchronous Digital Hierarchy, synchronous digital hierarchy) link etc.The transmission medium of the master channel of these modes and alternate channel is generally identical at present, promptly can only carry out backup protection on a kind of physical medium, and can not carry out backup protection on multiple physical medium; In addition, these backpu protecting methods generally adopt the mode of Hot Spare, i.e. data service occupies the bandwidth of master channel and alternate channel all the time, has wasted bandwidth resources.
Chinese patent: publication number is 200510056884.3 " a kind of method that realizes data service backup ", its weak point: 1) in the backup protection mode that this patent is used, master port and be equipped with port on same switch, and master port and be equipped with port and use with a kind of physical medium, if the main channel that requires data service be equipped with passage on different veneers, and transport media type difference, for example the main channel is the ground line of E1 type or SDH type, being equipped with passage is the overhead satellites circuit of V35 type, and this method is just inapplicable; 2) this patent adopts the 1+1 backup method, and promptly active link and protection link while data services are wasted link bandwidth resource.
United States Patent (USP): publication number is " ATM switching system and method for switchoverbetween working channel and protection channel in an ATM network " (system and method that active link and protection link are switched mutually in the atm network) of US6856594B1; its weak point is: this patent adopts APS (the AutomaticProtection Switching of ATM; APS) mechanism is protected; the transmission medium of active link and protection link all is the SDH link, and range of application has certain limitation.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of apparatus and method that in dissimilar physical mediums, realize backup protection of data service.
For achieving the above object, a kind of device of realizing backup protection of data service of the present invention comprises:
The data configuration module is used for working end of adopting different transmitting physical media and the parameter of protecting end are configured;
The alarm handover module, be used for being provided with the operating state of working end and protection end according to current alarm status, be specially: when the working end or after protecting end to receive alarm information, searching alarm according to the alarm information parameter earlier occurs in the working end or occurs in the protection end, if alarm occurs in the working end, the alarm status of working end then is set according to alarm type, and the operating state of working end is set, find corresponding relaying outlet according to the alarm status of working end and protection end; If alarm occurs in the protection end, then the alarm status that protection is held is set, and the operating state that protection is held is set according to the alarm status of working end and protection end according to alarm type, find corresponding relaying outlet;
Data processing module, being used for according to described alarm handover module is the work at present state that working end or protection end are provided with, and selects working end or protection end to carry out the transmission or the reception of data.
Further, described data configuration module is arranged in all veneers.
Further, described relaying outlet veneer is: E1 relay plate or V35 relay plate.
Further, described alarm handover module is arranged in the relaying outlet veneer, and described data processing module is arranged in all veneers.
Further, described data configuration module is that the parameter of the configuration of working end and protection end comprises: the veneer at working end and protection end place number, port numbers and virtual link number.
For achieving the above object, a kind of method that realizes backup protection of data service comprises the steps:
(1) the data configuration module is configured the parameter of working end and protection end, and configuration parameter is sent to working end and protection end, and different transmitting physical media is adopted with the protection end in described working end;
(2) after working end or protection end are received alarm information, the alarm handover module is provided with the operating state of working end or protection end according to the alarm status of working end or protection end, be specially: when the working end or after protecting end to receive alarm information, searching alarm according to the alarm information parameter earlier occurs in the working end or occurs in the protection end, if alarm occurs in the working end, the alarm status of working end then is set according to alarm type, and the operating state of working end is set according to the alarm status of working end and protection end, find corresponding relaying outlet; If alarm occurs in the protection end, then the alarm status that protection is held is set, and the operating state that protection is held is set according to the alarm status of working end and protection end according to alarm type, find corresponding relaying outlet;
(3) after data source arrives working end and protection end, working end and protection end carry out data forwarding or discard processing respectively according to operating state separately.
The present invention realizes the apparatus and method of backup protection of data service; effectively overcome the defective that exists in the prior art; finish data service in the network and in different transmitting physical media, carried out the function of backup protection; the bandwidth resources of transmission link have been saved; enlarge the scope that data service backup is used, also realized the reliable transmission of data flow.
Description of drawings
Fig. 1 is the E1 circuit for working end of the present invention, and the protection end is the backup protection schematic diagram of V35 circuit;
Fig. 2 is the apparatus structure schematic diagram of realization backup protection of data service of the present invention;
Fig. 3 is the alarming processing schematic flow sheet of working end of the present invention and protection end.
Embodiment
The apparatus and method of realization backup protection of data service of the present invention mainly realize the backup protection that data service is transmitted in the network in dissimilar physical mediums, now in conjunction with the accompanying drawings technical scheme of the present invention is further described in detail:
Refer now to Fig. 1, after data source enters the information source plate of frame A, arrive E1 relay plate and V35 relay plate through virtual link 1 and virtual link 2; wherein; the outlet of E1 relay plate is the working end, and the outlet of V35 relay plate is the protection end, after the E1 relay plate is received data; check that the outlet current state is an operating state; then send data, after the V35 relay plate is received data, check that the outlet current state is a guard mode to this outlet; then abandon data, from then on outlet does not send data.To frame B, the E1 relay plate is received data, is forwarded to stay of two nights plate by virtual link 3, and the V35 relay plate is not handled because do not receive data.The path of data flow is: the E1 relay plate of the E1 relay plate of information source plate, virtual link 1, frame A, E1 circuit, frame B, virtual link 3, stay of two nights plate.
Wherein, the veneer of the veneer V35 relay plate at the veneer of the veneer E1 relay plate at place, working end number and protection end place number, the port numbers of the port numbers of working end and protection end, and the link No. of virtual link 1 and virtual link 2 all is (as shown in Figure 2) that the data configuration module by device of the present invention disposes; This data configuration module all has setting in all veneers;
Device of the present invention also comprises alarm handover module (as shown in Figure 2), if in the process of above-mentioned data traffic transmission shown in Figure 1, if after working end or protection end are received alarm information, then alarm the operating state that handover module can be provided with working end and protection end according to current alarm status; This alarm handover module is arranged in the relaying outlet veneer, promptly finishes 1: 1 backup protection in the relaying outlet, has saved bandwidth resources;
Device of the present invention also comprises data processing module (as shown in Figure 2); this module is according to the Way out of parameter with the operating state final decision data flow of alarm handover module decision of data configuration block configuration; promptly according to current working state; select working end or protection end to carry out the transmission and the reception of data, this data processing module also is provided with in all veneers.
Refer now to Fig. 3, the present invention is realized the enforcement of the method for backup protection of data service is further described in detail, it comprises:
(1) at first, the data configuration module is carried out the configuration of data parameters, and configuration parameter (as the veneer at working end and protection end place number, port numbers and virtual link number etc.) is sent to working end and protection end, finishes the static configuration of parameter.
At working end and protection end, the alarm status and the operating status record information of all preserving working end and protection end, during beginning, it is master channel that the working end is set, and the protection end is alternate channel, and promptly the working end is an operating state.
(2) when the working end or after protecting end to receive alarm information, the alarm handover module is according to the working end and protect the alarm status of holding that operating state is set.Promptly after veneer is received alarm information, searching alarm according to the alarm information parameter earlier occurs in the working end or occurs in the protection end, if alarm occurs in the working end, the alarm status (alarm or go and warn) of working end then is set according to alarm type, and the operating state of working end is set according to the alarm status of working end and protection end, find corresponding relaying outlet; If alarm occurs in the protection end, processing procedure is identical with the working end.
(3) after data source arrived working end and protection end, working end and protection end carried out data forwarding or discard processing respectively according to operating state separately.
By above-mentioned processing procedure, guarantee that the working end is consistent with the operating state of protection end, thereby reached purpose at relaying outlet carrying out backup protection, saved bandwidth resources.
The apparatus and method of realization backup protection of data service of the present invention; effectively overcome the defective that exists in the prior art; finish data service in the network and in different transmitting physical media, carried out the function of backup protection; the bandwidth resources of transmission link have been saved; enlarge the scope that data service backup is used, also realized the reliable transmission of data flow.
Claims (6)
1. a device of realizing backup protection of data service is characterized in that, comprising:
The data configuration module is used for working end of adopting different transmitting physical media and the parameter of protecting end are configured;
The alarm handover module, be used for being provided with the operating state of working end and protection end according to current alarm status, be specially: when the working end or after protecting end to receive alarm information, searching alarm according to the alarm information parameter earlier occurs in the working end or occurs in the protection end, if alarm occurs in the working end, the alarm status of working end then is set according to alarm type, and the operating state of working end is set, find corresponding relaying outlet according to the alarm status of working end and protection end; If alarm occurs in the protection end, then the alarm status that protection is held is set, and the operating state that protection is held is set according to the alarm status of working end and protection end according to alarm type, find corresponding relaying outlet;
Data processing module, being used for according to described alarm handover module is the work at present state that working end or protection end are provided with, and selects working end or protection end to carry out the transmission or the reception of data.
2. the device of realization backup protection of data service according to claim 1 is characterized in that, described data configuration module is arranged in all veneers.
3. the device of realization backup protection of data service according to claim 2 is characterized in that, described relaying outlet veneer is: E1 relay plate or V35 relay plate.
4. the device of realization backup protection of data service according to claim 3 is characterized in that, described alarm handover module is arranged in the relaying outlet veneer, and described data processing module is arranged in all veneers.
5. the device of realization backup protection of data service according to claim 1 is characterized in that, described data configuration module is that the parameter of working end and protection end configuration comprises: the veneer at working end and protection end place number, port numbers and virtual link number.
6. a method that realizes backup protection of data service is characterized in that, comprises the steps:
(1) the data configuration module is configured the parameter of working end and protection end, and configuration parameter is sent to working end and protection end, and different transmitting physical media is adopted with the protection end in described working end;
(2) after working end or protection end are received alarm information, the alarm handover module is provided with the operating state of working end or protection end according to the alarm status of working end or protection end, be specially: when the working end or after protecting end to receive alarm information, searching alarm according to the alarm information parameter earlier occurs in the working end or occurs in the protection end, if alarm occurs in the working end, the alarm status of working end then is set according to alarm type, and the operating state of working end is set according to the alarm status of working end and protection end, find corresponding relaying outlet; If alarm occurs in the protection end, then the alarm status that protection is held is set, and the operating state that protection is held is set according to the alarm status of working end and protection end according to alarm type, find corresponding relaying outlet;
(3) after data source arrives working end and protection end, working end and protection end carry out data forwarding or discard processing respectively according to operating state separately.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101384998A CN1964248B (en) | 2006-11-17 | 2006-11-17 | A device and method to realize backup protection of data service |
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| CN2006101384998A CN1964248B (en) | 2006-11-17 | 2006-11-17 | A device and method to realize backup protection of data service |
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| CN1964248A CN1964248A (en) | 2007-05-16 |
| CN1964248B true CN1964248B (en) | 2011-04-20 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567889A (en) * | 2003-06-25 | 2005-01-19 | 华为技术有限公司 | A method of automatic primary standby equipment switching |
| US6856594B1 (en) * | 1999-08-09 | 2005-02-15 | Fujitsu Limited | ATM switching system and method for switchover between working channel and protection channel in an ATM network |
| CN1842020A (en) * | 2005-03-28 | 2006-10-04 | 华为技术有限公司 | Method for realizing data service backup |
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- 2006-11-17 CN CN2006101384998A patent/CN1964248B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6856594B1 (en) * | 1999-08-09 | 2005-02-15 | Fujitsu Limited | ATM switching system and method for switchover between working channel and protection channel in an ATM network |
| CN1567889A (en) * | 2003-06-25 | 2005-01-19 | 华为技术有限公司 | A method of automatic primary standby equipment switching |
| CN1842020A (en) * | 2005-03-28 | 2006-10-04 | 华为技术有限公司 | Method for realizing data service backup |
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| CN1964248A (en) | 2007-05-16 |
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