CN1330103C - Method for implementing redudancy back up - Google Patents
Method for implementing redudancy back up Download PDFInfo
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- CN1330103C CN1330103C CNB031220266A CN03122026A CN1330103C CN 1330103 C CN1330103 C CN 1330103C CN B031220266 A CNB031220266 A CN B031220266A CN 03122026 A CN03122026 A CN 03122026A CN 1330103 C CN1330103 C CN 1330103C
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- business interface
- interface module
- signalling channel
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Abstract
The present invention provides a method for implementing redundancy backup. The method comprises the following steps: a, a certain number of signal channel selection modules are arranged between a primary backup module and a business interface module which is applied to a non-redundancy backup system; b, the primary backup module controls the signal channel selection modules to select signal channels and transfers information with the business interface module through the signal channel selection modules. The present invention can be utilized to enable the business interface module which is applied to the non-redundancy backup system to be directly applied to the non-redundancy backup system without changing the business interface module applied to the non-redundancy backup system. The present invention not only reduces the cost for developing new products, but also fully utilizes available resources; at the same time, the operation is simple and practical.
Description
Technical field
The present invention relates to module backup design field, be meant a kind of method of redundancy backup design especially.
Background technology
In the early stage of network development,, thereby link to each other with the business interface module as the functional module in the network equipments such as router is direct because its scale and range of application are all less.Equally, in the network application of low level, not very important because it uses the status, therefore, the functional module in the network equipments such as the router of low side generally also is directly to link to each other with the business interface module.That is to say, in above-mentioned application, generally adopt the nonredundancy standby system.Figure 1 shows that the schematic diagram of the nonredundancy standby system of prior art.The signalling channel of main control module or exchange routing module directly links to each other with business interface module in the nonredundancy standby system.
Along with networks development, its scale is increasing, and in the network equipments such as the router of middle and high end, switch, some important function modules as main control module or exchange routing module etc., often need to adopt redundancy backup design to improve the reliability of equipment.Though redundancy backup can increase the cost of equipment, in application on the middle and senior level, the reliability that improves equipment is even more important.Figure 2 shows that the schematic diagram of the redundancy backup system of prior art.The signalling channel of main control module or exchange routing module and its backup module business interface module direct respectively and in the redundancy backup system is connected, select the signalling channel of work at present by main control module or exchange routing module and backup module thereof, to determine that by the default signal channel still be backup signal channel transfer information.
Because networks development enlarges, and original a large amount of nonredundancy standby system is substituted by redundancy backup system.And the shortcoming of prior art is: if the nonredundancy standby system is substituted by redundancy backup system, the business interface module that then is applied in the nonredundancy standby system must be replaced by the business interface module that is applied in the redundancy backup system, therefore, a large amount of business interface modules that are applied in the nonredundancy standby system will be eliminated, and this will cause the very big wasting of resources.
Summary of the invention
In view of this, the invention provides a kind of implementation method of redundancy backup.The business interface module that is applied in the nonredundancy standby system can be applied in the redundancy backup system easily once more.
Technical scheme of the present invention is achieved in that in order to achieve the above object
A kind of implementation method of redundancy backup is characterized in that this method may further comprise the steps:
A, at main backup module and the signalling channel that is applied to be provided with between the business interface module of nonredundancy standby system some select module, it is separable that described signalling channel is selected module and the described business interface module that is applied to the nonredundancy standby system;
B, described main backup module are controlled described signalling channel and are selected the module select signal passage, select module and the business interface module that is applied to the nonredundancy standby system to transmit information by signalling channel.
Preferably, the described some of step a is according to the quantity of business interface module in the system and definite.
Preferably, the described signalling channel of step a selects module to select chip to constitute by a slice or the above ethernet signal of a slice.
Preferably, to select the quantity of chip be according to the quantity of system backup quantity and signalling channel and definite for described ethernet signal.
Use the present invention, do not need the business interface module that is applied in the nonredundancy standby system is done any change, only be required to be it and detachable signalling channel is set selects module to get final product.When the business interface module in the nonredundancy standby system and signalling channel select module to be used, can be applicable in the redundancy backup system, when the business interface module in the nonredundancy standby system is used separately, also can be applicable in the nonredundancy standby system.Therefore, use the present invention and both realized making the business interface module application that is applied in the nonredundancy standby system in the purpose of redundancy backup system, reduced the cost of developing new product again, and made full use of existing resource, operation is simple.
Description of drawings
The schematic diagram of nonredundancy standby system in Fig. 1 prior art;
The schematic diagram of redundancy backup system in Fig. 2 prior art;
Fig. 3 uses the schematic diagram of redundancy backup system of the present invention;
Fig. 4 uses the schematic diagram of embodiments of the invention one;
Fig. 5 uses the schematic diagram of embodiments of the invention two.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in further details.
Thinking of the present invention as shown in Figure 3, for being applied to the business interface module in the nonredundancy standby system, do a signalling channel separately and select module, make the business interface module in the nonredundancy standby system select module to be used with signalling channel, can use separately again, be business interface module in the nonredundancy standby system and signalling channel to select module be not one, but separable.In redundancy backup system, the business interface module and the signalling channel that are applied in the nonredundancy standby system select module to be used together, the signalling channel of main backup module selects module to link to each other with the business interface module by signalling channel, and select the signalling channel of work at present by primary module or its backup module, to determine that by the default signal channel still be backup signal channel transfer information.In the nonredundancy standby system, the signalling channel of primary module directly be applied to the nonredundancy standby system in the business interface module be connected.Adopt redundancy backup design of the present invention, do not need the business interface module that is applied in the nonredundancy standby system is done any change, can will be applied to business interface module application in the nonredundancy standby system in redundancy backup system.Concrete steps are as follows:
1) need to determine the number of signals of the functional module signalling channel of redundancy backup.
2) quantity according to redundancy backup designs the internal circuit that corresponding signalling channel is selected module, makes this module can finish the alternative or multiselect one function of signalling channel.
3) determine that according to the quantity of business interface module signalling channel selects the quantity of module.
Illustrate below.
Figure 4 shows that the schematic diagram of using enforcement one of the present invention.Supposing the system will be realized 1+1 backup, and the number of signals of signalling channel is 4 road gigabit Ethernet LVPECL (Low Voltage PositiveEmitter-Coupled Logic) signals, and has only a business interface module in this system.Adopt single channel gigabit Ethernet LVPECL signal alternative chip to finish the selection of signalling channel in the present embodiment, therefore, form a block signal channel selecting module by 4 alternative chips, can finish the alternative function of the signalling channel of 4 road gigabit Ethernet LVPECL signals.
In redundancy backup system, to select module and the business interface module that is applied in the nonredundancy standby system to be used by the signalling channel that 4 alternative chips are formed, the signalling channel of main backup module selects module to link to each other with the business interface module by signalling channel, select the signalling channel of work at present by main backup module, to determine that by the default signal channel still be backup signal channel transfer information.
In the nonredundancy standby system, primary module directly links to each other with the business interface module, does not need to use signalling channel to select module.
Figure 5 shows that the schematic diagram of using embodiments of the invention two.Supposing the system will be realized 1+3 backup, and the number of signals of signalling channel is single channel gigabit Ethernet LVPECL signal, and two business interface modules are arranged in this system.Adopt single channel gigabit Ethernet LVPECL signal four to select a chip to finish the selection of signalling channel in the present embodiment, select a chip as a block signal channel selecting module with 1 four, can finish single channel gigabit Ethernet LVPECL signal signalling channel four select a function, owing in this system two business interface modules are arranged, therefore, need two block signal channel selecting module, promptly two four are selected a chip.
In above-mentioned redundancy backup system, select a chip to select module and two business interface modules that are applied in the nonredundancy standby system to be used with 2 four as two signalling channels, the signalling channel of main backup module selects module to link to each other with the business interface module by signalling channel, select the signalling channel of work at present by main backup module, to determine that by the default signal channel still be backup signal channel transfer information.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1, a kind of implementation method of redundancy backup is characterized in that this method may further comprise the steps:
A, at main backup module and the signalling channel that is applied to be provided with between the business interface module of nonredundancy standby system some select module, it is separable that described signalling channel is selected module and the described business interface module that is applied to the nonredundancy standby system;
B, described main backup module are controlled described signalling channel and are selected the module select signal passage, select module and the business interface module that is applied to the nonredundancy standby system to transmit information by signalling channel.
2, method according to claim 1 is characterized in that, the described some of step a is according to the quantity of business interface module in the system and definite.
3, method according to claim 1 is characterized in that, the described signalling channel of step a selects module to select chip to constitute by a slice or the above ethernet signal of a slice.
4, method according to claim 3 is characterized in that, it is according to the quantity of system backup quantity and signalling channel and definite that described ethernet signal is selected the quantity of chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031220266A CN1330103C (en) | 2003-04-22 | 2003-04-22 | Method for implementing redudancy back up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031220266A CN1330103C (en) | 2003-04-22 | 2003-04-22 | Method for implementing redudancy back up |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1540878A CN1540878A (en) | 2004-10-27 |
| CN1330103C true CN1330103C (en) | 2007-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031220266A Expired - Fee Related CN1330103C (en) | 2003-04-22 | 2003-04-22 | Method for implementing redudancy back up |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100372253C (en) * | 2005-06-02 | 2008-02-27 | 杭州华三通信技术有限公司 | Switching method and device for service port in double master control system |
| CN1909550B (en) * | 2005-08-03 | 2010-08-18 | 中兴通讯股份有限公司 | System and method for realizing inverting of main-standby and load sharing |
| CN101453312B (en) * | 2007-11-30 | 2012-06-27 | 中国移动通信集团公司 | Method and apparatus for device backup |
| CN104243307B (en) * | 2014-09-05 | 2017-10-27 | 新华三技术有限公司 | The network equipment and the PHY chip access method for the network equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4017828A (en) * | 1974-07-19 | 1977-04-12 | Yokogawa Electric Works, Ltd. | Redundancy system for data communication |
| JPH0563683A (en) * | 1991-08-31 | 1993-03-12 | Nec Corp | Redundancy system switching device for digital transmission |
| JPH09261132A (en) * | 1996-03-21 | 1997-10-03 | Fujitsu Ltd | Redundancy switching system for data transmission system |
-
2003
- 2003-04-22 CN CNB031220266A patent/CN1330103C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4017828A (en) * | 1974-07-19 | 1977-04-12 | Yokogawa Electric Works, Ltd. | Redundancy system for data communication |
| JPH0563683A (en) * | 1991-08-31 | 1993-03-12 | Nec Corp | Redundancy system switching device for digital transmission |
| JPH09261132A (en) * | 1996-03-21 | 1997-10-03 | Fujitsu Ltd | Redundancy switching system for data transmission system |
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| CN1540878A (en) | 2004-10-27 |
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