CN102647232A - Method and device for simultaneously accessing multiple services - Google Patents
Method and device for simultaneously accessing multiple services Download PDFInfo
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- CN102647232A CN102647232A CN2012100876717A CN201210087671A CN102647232A CN 102647232 A CN102647232 A CN 102647232A CN 2012100876717 A CN2012100876717 A CN 2012100876717A CN 201210087671 A CN201210087671 A CN 201210087671A CN 102647232 A CN102647232 A CN 102647232A
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Abstract
The invention discloses a method and a device for simultaneously accessing multiple services. The method comprises the following steps that: a network management unit configures the redundancy backup configuration information of a multi-port light receiving module and a multi-port light sending module and sends the redundancy backup configuration information to a redundancy backup module; the redundancy backup module carries out line redundancy backup configuration on the light receiving module and the light sending module according to the redundancy backup configuration information; the light receiving module carries out redundancy removal treatment on a received redundancy light signal from a light transmission module so as to obtain multiple electrical signals corresponding to the multiple services according to the line redundancy backup configuration; and the light sending module carries out redundancy treatment on the multiple electrical signals so as to obtain redundancy light signals for light transmission according to the line redundancy backup configuration. The method and the device can be used for reducing the occupied space and cost of an optical module on an existing light transmission single plate and improving the applicability of the optical module in a single plate design.
Description
Technical field
The present invention relates to optical transmission system, the particularly a kind of method and relevant apparatus thereof that can insert a plurality of business simultaneously.
Background technology
Along with a large amount of uses of optical transmission system, also more and more accordingly to the application of optical module.
On the optical transmission veneer (OTU wavelength shifter) of existing optical transmission system, generally realize inserting a plurality of business simultaneously through inserting a plurality of optical modules (2,4,6 etc.), optical module takes up room greatly, and the use cost height.
If can reduce taking up room and cost of some optical modules, improve optical module design ease for use, will produce bigger application influence to the optical transmission system module.
In addition, the client is also increasingly high for the requirement of equipment, especially hopes device miniaturization, low cost, and has high reliability.
Summary of the invention
The object of the present invention is to provide a kind of method and device that inserts a plurality of business simultaneously, can solve optical module better and take up room greatly and the high problem of use cost.
According to an aspect of the present invention, a kind of method that inserts a plurality of business simultaneously that provides comprises:
The network management unit configuration has the Optical Receivers of a plurality of ports and the redundancy backup configuration information of optical transmission module, and sends it to the redundancy backup module;
Said redundancy backup module is carried out the configuration of circuit redundancy backup according to said redundancy backup configuration information to Optical Receivers and optical transmission module;
Said Optical Receivers disposes according to said circuit redundancy backup, and the redundant light signal from optical transmission system that receives is gone disposal of Redundancy, obtains a plurality of signals of telecommunication corresponding to a plurality of business;
Said optical transmission module disposes according to said circuit redundancy backup, and said a plurality of signals of telecommunication are carried out disposal of Redundancy, obtains being used for the redundant light signal of optical transmission.
Preferably, said a plurality of ports are n optical ports that are used for receiving simultaneously or sending n light signal, and said network management unit is sent to the redundancy backup module through the circuit redundancy backup configuration interface of Configuration Manager with said redundancy backup configuration information.
Preferably; Said redundancy backup module is according to said redundancy backup configuration information; Optical Receivers and optical transmission module are configured to respectively insert a m professional n redundant light signal simultaneously through n optical port; Wherein, said n redundant light signal comprises corresponding to m professional m light signal with corresponding to the n-m that is used to back up light signal of wherein n-m business.
Preferably, the said disposal of Redundancy step of going is specially:
Said Optical Receivers receives a m professional n redundant light signal simultaneously through its n optical port, and according to said circuit redundancy backup configuration, said n redundant light signal is converted into corresponding to m m the professional signal of telecommunication.
Preferably, said disposal of Redundancy step is specially:
Said optical transmission module receives said corresponding to m m the professional signal of telecommunication, and according to said circuit redundancy backup configuration, the individual redundant light signal of n with said m electrical signal conversion one-tenth is used for optical transmission sends through its n optical port.
Preferably, said method also comprises:
Said network management unit is sent to the numerical diagnostic module through the performance threshold configuration interface of Configuration Manager with the performance threshold configuration information.
Preferably, said method also comprises:
The numerical diagnostic module is carried out the performance threshold configuration according to said performance threshold configuration information to Optical Receivers and optical transmission module.
Preferably, said method also comprises:
The numerical diagnostic module is monitored the input performance parameter and/or the output performance parameter of Optical Receivers and/or optical transmission module in real time, and said performance threshold configuration, said input performance parameter and/or output performance parameter are sent to the performance alarm module;
The more said performance threshold configuration of performance alarm module and said input performance parameter and/or output performance parameter, and, generate corresponding performance alarm information according to comparative result, be sent to network management unit.
According to a further aspect in the invention, provide a kind of device that inserts a plurality of business simultaneously to comprise:
Network management unit is used to dispose the Optical Receivers with a plurality of ports and the redundancy backup configuration information of optical transmission module, and sends it to the redundancy backup module;
The redundancy backup module is used for according to said redundancy backup configuration information, and Optical Receivers and optical transmission module are carried out the configuration of circuit redundancy backup;
Optical Receivers is used for according to said circuit redundancy backup configuration the redundant light signal from optical transmission system that receives being gone disposal of Redundancy, obtains a plurality of signals of telecommunication corresponding to a plurality of business;
Optical transmission module is used for according to said circuit redundancy backup configuration said a plurality of signals of telecommunication being carried out disposal of Redundancy, obtains being used for the redundant light signal of optical transmission.
Preferably, said device also comprises:
Configuration Manager; Be used for the said redundancy backup configuration information that said network management unit disposes being sent to the redundancy backup module, and the performance threshold configuration information that said network management unit disposes be sent to the numerical diagnostic module through its performance threshold configuration interface through its circuit redundancy backup configuration interface;
The numerical diagnostic module; Be used for according to said performance threshold configuration information; Optical Receivers and optical transmission module are carried out the performance threshold configuration; Monitor the input performance parameter and/or the output performance parameter of Optical Receivers and/or optical transmission module in real time, and said performance threshold configuration, said input performance parameter and/or output performance parameter are sent to the performance alarm module;
The performance alarm module is used for more said performance threshold configuration and said input performance parameter and/or output performance parameter, and according to comparative result, generates corresponding performance alarm information, is sent to network management unit.
Compared with prior art, beneficial effect of the present invention is:
The present invention can reduce taking up room of optical module on existing optical transmission veneer, reduce use cost, thereby improved the application of optical module on the optical transmission single board design.
Description of drawings
Fig. 1 is the method schematic diagram that the embodiment of the invention inserts a plurality of business when providing;
Fig. 2 is the device block diagram that the embodiment of the invention inserts a plurality of business when providing;
Fig. 3 is the physical structure sketch map that the embodiment of the invention inserts the device of a plurality of business when providing;
Fig. 4 is first process chart that the embodiment of the invention inserts the device of a plurality of business when providing;
Fig. 5 is second process chart that the embodiment of the invention inserts the device of a plurality of business when providing;
Fig. 6 is the device sketch map that inserts the two-way business simultaneously that the embodiment of the invention provides;
Fig. 7 is that the embodiment of the invention inserts the professional transversely arranged and vertical arrangement of the device interface sketch map of two-way when providing;
Fig. 8 is that the embodiment of the invention inserts four the road professional transversely arranged and vertical arrangement of device interface sketch mapes when providing.
Embodiment
, should be appreciated that following illustrated preferred embodiment only is used for explanation and explains the present invention, and be not used in qualification the present invention a preferred embodiment of the present invention will be described in detail below in conjunction with accompanying drawing.
Fig. 1 has shown that the embodiment of the invention inserts the method schematic diagram of a plurality of business when providing, and as shown in Figure 1, step comprises:
Step S101, network management unit configuration have the Optical Receivers of a plurality of ports and the redundancy backup configuration information of optical transmission module, and send it to the redundancy backup module.
Said a plurality of port is n the optical port that is used for receiving simultaneously or sending n light signal, and the circuit redundancy backup configuration interface of said network management unit through Configuration Manager will have the Optical Receivers of n optical port and the said redundancy backup configuration information of optical transmission module is sent to the redundancy backup module.
Step S102, said redundancy backup module are carried out the configuration of circuit redundancy backup according to said redundancy backup configuration information to Optical Receivers and optical transmission module.
Said redundancy backup module is according to said redundancy backup configuration information; Optical Receivers and optical transmission module are configured to respectively insert a m professional n redundant light signal simultaneously through n optical port; Wherein, Said n redundant light signal comprises corresponding to m professional m light signal with corresponding to the n-m that is used to back up light signal of wherein n-m business, m≤n.That is to say, the part circuit of said Optical Receivers and said optical transmission module is configured to be used for to receive and dispatch the light signal that is used for redundancy backup of m business partial service.
Step S103, said Optical Receivers dispose according to said circuit redundancy backup, and the redundant light signal from optical transmission system that receives is gone disposal of Redundancy, obtain a plurality of signals of telecommunication corresponding to a plurality of business.
Said Optical Receivers receives a m professional n redundant light signal simultaneously through its n optical port, and according to said circuit redundancy backup configuration, said n redundant light signal is converted into corresponding to m m the professional signal of telecommunication.Can insert 6 road professional devices altogether is example, can Optical Receivers be configured to insert 4 tunnel business, remains 2 the tunnel as backup.When said Optical Receivers is received 6 redundant light signals of 4 tunnel business through its 6 optical ports, convert said 6 redundant light signals into 4 signals of telecommunication corresponding to 4 business.Comprise in 6 light signals of above-mentioned reception and be used for backing up respectively wherein 2 light signals of 2 tunnel business.
Step S104, said optical transmission module dispose according to said circuit redundancy backup, and said a plurality of signals of telecommunication are carried out disposal of Redundancy, obtain being used for the redundant light signal of optical transmission.
Said optical transmission module receives a said m signal of telecommunication, and according to said circuit redundancy backup configuration, the individual redundant light signal of n with m m professional electrical signal conversion becomes to be used for optical transmission sends through its n optical port.Can insert 6 road professional devices altogether is example, can optical transmission module be configured to insert 4 tunnel business, remains 2 the tunnel as backup.When said optical transmission module is received corresponding to said 4 road professional 4 signals of telecommunication, be 6 redundant light signals with said 4 electrical signal conversion.Comprise in above-mentioned 6 redundant light signals being used for backing up respectively wherein 2 light signals of 2 tunnel business, these 2 light signals obtain through the beam split mode, and being about to wherein, 2 road 2 professional light signals duplicate 2 light signals that are formed for backing up respectively.
Fig. 2 has shown that the embodiment of the invention inserts the device block diagram of a plurality of business when providing; As shown in Figure 2, comprise network management unit, Configuration Manager, redundancy backup module, Optical Receivers, optical transmission module, numerical diagnostic module, performance alarm module.
Said network management unit is used for having the Optical Receivers of a plurality of ports and the redundancy backup configuration information and the performance threshold configuration information of optical transmission module through its interface configurations, and is issued to redundancy backup module and numerical diagnostic module respectively; Also be used to inquire about the input performance parameter and the output performance parameter of Optical Receivers and optical transmission module, the input performance parameter that the display performance alarm module reports, output performance parameter, performance alarm information.
Said Configuration Manager is used for through its circuit redundancy backup configuration interface the said redundancy backup configuration information that said network management unit disposes being sent to the redundancy backup module, and through its performance threshold configuration interface the performance threshold configuration information that said network management unit disposes is sent to the numerical diagnostic module.That is to say that said Configuration Manager is used to provide circuit redundancy backup configuration interface and performance threshold configuration interface, make said network management unit can pass through the concrete redundancy backup mode of these interface configuration performance threshold and circuit.
Said redundancy backup module is used for according to said redundancy backup configuration information, and Optical Receivers and optical transmission module are carried out the configuration of circuit redundancy backup.That is to say that said redundancy backup module is according to the redundancy backup mode from the Configuration Manager configuration, the redundancy backup of concrete configuration circuit.Even the part receiving lines of said Optical Receivers inserts the light signal that is used for redundancy backup of partial service in m the business; And go disposal of Redundancy; The part transmitting line that makes said optical transmission module carries out disposal of Redundancy to the light signal of partial service in m the business, obtains being used for the light signal of redundancy backup.
Said Optical Receivers is used for according to said circuit redundancy backup configuration the redundant light signal from optical transmission system that receives being gone disposal of Redundancy, obtains a plurality of signals of telecommunication corresponding to a plurality of business.Said Optical Receivers comprises a plurality of optical receivers, for example 2,4,6 etc., is used for converting the redundant light signal that receives into corresponding to a plurality of business a plurality of signals of telecommunication.
Said optical transmission module is used for according to said circuit redundancy backup configuration said a plurality of signals of telecommunication being carried out disposal of Redundancy, obtains being used for the redundant light signal of optical transmission.Said optical transmission module comprises a plurality of lasers, and for example 2,4,6 etc., being used for a plurality of electrical signal conversion of a plurality of business is the redundant light signal that is used for optical transmission.
Said numerical diagnostic module is used for according to said performance threshold configuration information; Optical Receivers and optical transmission module are carried out the performance threshold configuration; Monitor the input performance parameter and/or the output performance parameter of Optical Receivers and/or optical transmission module in real time, and said performance threshold configuration, said input performance parameter and/or output performance parameter are sent to the performance alarm module.Through said numerical diagnostic module, said network management unit can be monitored temperature, supply power voltage, the laser bias current of Optical Receivers and optical transmission module in real time and transmitted and received I/O performance parameters such as luminous power.The measurement of these parameters can help network management unit to find out the position of breaking down in the optical fiber link, simplifies maintenance work, improves the reliability of system.
Said performance alarm module is used for more said performance threshold configuration and said input performance parameter and/or output performance parameter, and according to comparative result, generates corresponding performance alarm information, is sent to network management unit.The concrete performance data that the performance alarm module provides according to the performance threshold of network management unit configuration and numerical diagnostic module, output is alarm accordingly, and inquiry and the reception of importing performance parameter and/or output performance parameter are provided simultaneously.
Fig. 3 is the physical structure sketch map that the embodiment of the invention inserts the device of a plurality of business when providing; As shown in Figure 3; On physical structure; Said device carries out opto-electronic conversion with the individual redundant light signal of the n of access and handles m the signal of telecommunication that obtains corresponding to m business, and m the signal of telecommunication carried out electric light conversion and redundancy backup processing, obtains being used for the individual redundant light signal of n of optical transmission.
Fig. 4 is first process chart that the embodiment of the invention inserts the device of a plurality of business when providing, and as shown in Figure 4, step comprises:
Network management unit is sent to numerical diagnostic module and redundancy backup module through the performance threshold configuration interface and the circuit redundancy backup configuration interface of Configuration Manager with the performance threshold configuration information and the redundancy backup configuration information that dispose respectively.
Optical Receivers converts the n that receives a redundant light signal corresponding to m m the professional signal of telecommunication into according to the circuit redundancy backup configuration of said redundancy backup module.Input performance parameters such as the input optical power of numerical diagnostic module monitors n redundant light signal and input signal; The performance alarm module is analyzed according to the monitoring result of numerical diagnostic module and the performance threshold of Configuration Manager configuration; Confirm whether to report corresponding alarm, the query interface of input performance parameter is provided to network management unit simultaneously.
Optical transmission module is m electrical signal conversion that n redundant light signal sends according to the circuit redundancy backup configuration of said redundancy backup module.The numerical diagnostic module can be monitored output performance parameters such as the transmitting optical power, supply power voltage, bias current, module temperature of n redundant light signal; The performance alarm module is analyzed according to the monitoring result of numerical diagnostic module and the performance threshold of Configuration Manager configuration; Confirm whether report corresponding alarm, the query interface of output performance parameter is provided to network management unit simultaneously.
Fig. 5 is second process chart that the embodiment of the invention inserts the device of a plurality of business when providing, and as shown in Figure 5, step comprises:
The first step, network management unit are issued to Configuration Manager with the performance threshold configuration information and the redundancy backup configuration information of its configuration.
Said performance threshold configuration information and redundancy backup configuration information that second step, Configuration Manager will be received are transmitted to numerical diagnostic module and redundancy backup module respectively.
The 3rd step, redundancy backup module are carried out concrete redundancy backup configuration according to the redundancy backup configuration information of Configuration Manager, promptly Optical Receivers and optical transmission module are carried out the circuit redundancy backup and dispose.
With the receiving lines of said Optical Receivers and the maximum access capability of transmitting line of said optical transmission module serves as that n business of access is example; In order to improve professional reliability; The receiving lines of said Optical Receivers and the transmitting line of said optical transmission module are configured to insert m business; Remaining access capability is used to receive and dispatch and is used for the light signal of redundancy backup; The light signal that is used for redundancy backup described here is meant that the light signal to partial service in m the business carries out the light signal of redundancy backup, wherein, and m≤n.It should be noted that under the situation of m=n, the receiving lines of said Optical Receivers and the transmitting line of said optical transmission module all are used for access service, promptly do not exist this moment to be used for the light signal of redundancy backup.
The 4th step, Optical Receivers dispose according to the circuit redundancy backup of redundancy backup module; The n that receives (the n here; The scene of using according to reality determines; Can be 2,4,6,8 etc., down with) redundant light signal converts m the signal of telecommunication into (m＜=n), specifically the corresponding relation of m the signal of telecommunication and n light signal depends on the redundancy backup modules configured.
The 5th step, numerical diagnostic module are monitored the input performance parameters such as temperature and received optical power of n optical receiver of Optical Receivers in real time, and the configuration performance threshold of being correlated with.
The input performance parameter that the 6th step, performance alarm module are monitored according to the performance threshold and the numerical diagnostic module of Configuration Manager configuration is in real time analyzed, and is judged whether to report relevant alarm according to analysis result, reports corresponding input performance parameter simultaneously.
The 7th step, optical transmission module dispose according to the circuit redundancy backup of redundancy backup module, are m electrical signal conversion that n redundant light signal sends.
The 8th step, numerical diagnostic module are monitored the performance output parameters such as temperature, supply power voltage, laser bias current and transmitting optical power of a plurality of lasers of optical transmission module in real time.
The output performance parameter that the 9th step, performance alarm module are monitored according to the performance threshold and the numerical diagnostic module of Configuration Manager configuration is in real time analyzed, and is judged whether to report relevant alarm according to analysis result, reports corresponding output performance parameter simultaneously.
Fig. 6 is that of providing of the embodiment of the invention inserts the professional device sketch map of two-way simultaneously, 2 optical ports of Optical Receivers and 2 optical ports of optical transmission module of comprising as shown in Figure 6.Transversely arranged and the vertical arrangement of its interface sketch map is as shown in Figure 7.
Fig. 8 is that the embodiment of the invention inserts four the road professional transversely arranged and vertical arrangement of device interface sketch mapes when providing, and is as shown in Figure 8, comprises 4 optical ports of Optical Receivers and 4 optical ports of optical transmission module.
The quantity that inserts a plurality of business simultaneously depends on the optical transmission veneer of concrete wavelength-division system; Existing service board access service is generally 2 the road to 6 the tunnel and does not wait; Provided the sketch map of the transversely arranged and vertical arrangement of device interface that inserts 2 tunnel business and 4 tunnel business simultaneously among Fig. 7 and Fig. 8 respectively; Also can insert 6 tunnel, 8 tunnel business in the practical application simultaneously, concrete module interface is arranged and can be arranged according to actual physical size and structural design.
In sum, the present invention has following technique effect:
1, the present invention is based on optical module practical application scene, insert when using an optical module to realize a plurality of business,, reduced cost, improved the ease for use of optical module design having saved optical module taking up room on the optical transmission veneer on the physical structure.
2, the present invention provides redundancy backup mode for the multichannel business that inserts simultaneously, and the concrete redundancy backup mode that adopts can be configured through network management unit, and backup mode is flexible, has improved the reliability of access service.
The invention describes a kind of method and apparatus that inserts a plurality of business simultaneously, wherein described the mentality of designing of some module interfaces, but the mentality of designing of module interface is unrestricted.Under the condition that does not depart from by the determined the spirit and scope of the present invention of dependent claims, those skilled in the art can take into account many corrections, replacing, variation, substitutes and equivalent content.
Although preceding text specify the present invention, the invention is not restricted to this, those skilled in the art of the present technique can carry out various modifications according to principle of the present invention.Therefore, all modifications of doing according to the principle of the invention all are to be understood that to falling into protection scope of the present invention.
Claims (10)
1. a method that inserts a plurality of business simultaneously is characterized in that, comprising:
The network management unit configuration has the Optical Receivers of a plurality of ports and the redundancy backup configuration information of optical transmission module, and sends it to the redundancy backup module;
Said redundancy backup module is carried out the configuration of circuit redundancy backup according to said redundancy backup configuration information to Optical Receivers and optical transmission module;
Said Optical Receivers disposes according to said circuit redundancy backup, and the redundant light signal from optical transmission system with receiving goes disposal of Redundancy, obtains a plurality of signals of telecommunication corresponding to a plurality of business;
Said optical transmission module disposes according to said circuit redundancy backup, and said a plurality of signals of telecommunication are carried out disposal of Redundancy, obtains being used for the redundant light signal of optical transmission.
2. method according to claim 1; It is characterized in that; Said a plurality of port is n the optical port that is used for receiving simultaneously or sending n light signal, and said network management unit is sent to the redundancy backup module through the circuit redundancy backup configuration interface of Configuration Manager with said redundancy backup configuration information.
3. method according to claim 2; It is characterized in that; Said redundancy backup module is configured to Optical Receivers and optical transmission module respectively to insert a m professional n redundant light signal simultaneously through n optical port, wherein according to said redundancy backup configuration information; Said n redundant light signal comprises corresponding to m professional m light signal with corresponding to the n-m that is used to back up light signal of wherein n-m business, m≤n.
4. method according to claim 3 is characterized in that, the said disposal of Redundancy step of going is specially:
Said Optical Receivers receives a m professional n redundant light signal simultaneously through its n optical port, and according to said circuit redundancy backup configuration, said n redundant light signal is converted into corresponding to m m the professional signal of telecommunication.
5. method according to claim 4 is characterized in that, said disposal of Redundancy step is specially:
Said optical transmission module receives said corresponding to m m the professional signal of telecommunication, and according to said circuit redundancy backup configuration, the individual redundant light signal of n with said m electrical signal conversion one-tenth is used for optical transmission sends through its n optical port.
6. according to any described method of claim 1-5, it is characterized in that said method also comprises:
Said network management unit is sent to the numerical diagnostic module through the performance threshold configuration interface of Configuration Manager with the performance threshold configuration information.
7. method according to claim 6 is characterized in that, said method also comprises:
The numerical diagnostic module is carried out the performance threshold configuration according to said performance threshold configuration information to Optical Receivers and optical transmission module.
8. method according to claim 7 is characterized in that, said method also comprises:
The numerical diagnostic module is monitored the input performance parameter and/or the output performance parameter of Optical Receivers and/or optical transmission module in real time, and said performance threshold configuration, said input performance parameter and/or output performance parameter are sent to the performance alarm module;
The more said performance threshold configuration of performance alarm module and said input performance parameter and/or output performance parameter, and, generate corresponding performance alarm information according to comparative result, be sent to network management unit.
9. a device that inserts a plurality of business simultaneously is characterized in that, comprising:
Network management unit is used to dispose the Optical Receivers with a plurality of ports and the redundancy backup configuration information of optical transmission module, and sends it to the redundancy backup module;
The redundancy backup module is used for according to said redundancy backup configuration information, and Optical Receivers and optical transmission module are carried out the configuration of circuit redundancy backup;
Optical Receivers is used for according to said circuit redundancy backup configuration the redundant light signal from optical transmission system that receives being gone disposal of Redundancy, obtains a plurality of signals of telecommunication corresponding to a plurality of business;
Optical transmission module is used for according to said circuit redundancy backup configuration said a plurality of signals of telecommunication being carried out disposal of Redundancy, obtains being used for the redundant light signal of optical transmission.
10. device according to claim 9 is characterized in that, also comprises:
Configuration Manager; Be used for the said redundancy backup configuration information that said network management unit disposes being sent to the redundancy backup module, and the performance threshold configuration information that said network management unit disposes be sent to the numerical diagnostic module through its performance threshold configuration interface through its circuit redundancy backup configuration interface;
The numerical diagnostic module; Be used for according to said performance threshold configuration information; Optical Receivers and optical transmission module are carried out the performance threshold configuration; Monitor the input performance parameter and/or the output performance parameter of Optical Receivers and/or optical transmission module in real time, and said performance threshold configuration, said input performance parameter and/or output performance parameter are sent to the performance alarm module;
The performance alarm module is used for more said performance threshold configuration and said input performance parameter and/or output performance parameter, and according to comparative result, generates corresponding performance alarm information, is sent to network management unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210087671.7A CN102647232B (en) | 2012-03-29 | 2012-03-29 | It is a kind of while accessing the method and device of multiple business |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210087671.7A CN102647232B (en) | 2012-03-29 | 2012-03-29 | It is a kind of while accessing the method and device of multiple business |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110875781A (en) * | 2018-08-31 | 2020-03-10 | 阿里巴巴集团控股有限公司 | Optical module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20070263646A1 (en) * | 2006-05-09 | 2007-11-15 | Fujitsu Limited | Plug-in card for optical transmission apparatus |
| CN101784996A (en) * | 2007-06-29 | 2010-07-21 | 赛帕顿有限公司 | Emulated storage system |
| CN102110161A (en) * | 2011-02-24 | 2011-06-29 | 中兴通讯股份有限公司 | Method and device for backing up and recovering multi-service database |
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2012
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070263646A1 (en) * | 2006-05-09 | 2007-11-15 | Fujitsu Limited | Plug-in card for optical transmission apparatus |
| CN101784996A (en) * | 2007-06-29 | 2010-07-21 | 赛帕顿有限公司 | Emulated storage system |
| CN102110161A (en) * | 2011-02-24 | 2011-06-29 | 中兴通讯股份有限公司 | Method and device for backing up and recovering multi-service database |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110875781A (en) * | 2018-08-31 | 2020-03-10 | 阿里巴巴集团控股有限公司 | Optical module |
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