CN102647232B - It is a kind of while accessing the method and device of multiple business - Google Patents
It is a kind of while accessing the method and device of multiple business Download PDFInfo
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- CN102647232B CN102647232B CN201210087671.7A CN201210087671A CN102647232B CN 102647232 B CN102647232 B CN 102647232B CN 201210087671 A CN201210087671 A CN 201210087671A CN 102647232 B CN102647232 B CN 102647232B
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Abstract
The invention discloses a kind of while accessing the method and device of multiple business, method includes：The redundancy backup configuration information of Optical Receivers of the network management unit configuration with multiple ports and optical transmission module, and send it to redundancy backup module；The redundancy backup module enters the configuration of row line redundancy backup according to the redundancy backup configuration information to Optical Receivers and optical transmission module；The Optical Receivers is configured according to the circuit redundancy backup, and the redundancy optical signal from light delivery module for receiving is carried out de-redundancy process, the multiple signals of telecommunication corresponding to multiple business are obtained；The optical transmission module is configured according to the circuit redundancy backup, and the plurality of signal of telecommunication is carried out redundancy process, obtains the redundancy optical signal for optical transport.The present invention can reduce optical module taking up room and cost on existing optical transport veneer, improve application of the optical module in single board design.
Description
Technical field
The present invention relates to optical transmission system, more particularly to a kind of method that can access multiple business and its related dress simultaneously
Put.
Background technology
With a large amount of uses of optical transmission system, the application to optical module is also corresponding more and more.
It is on the optical transport veneer (OTU wavelength shifters) of existing optical transmission system, general by inserting multiple optical modules (2
It is individual, 4,6 etc.) realize accessing multiple business simultaneously, optical module takes up room greatly, and use cost height.
If taking up room and cost for some optical modules can be reduced, optical module design ease for use is improved, light will be passed
Defeated system module produces larger application to be affected.
Additionally, client is especially desirable to device miniaturization, low cost, and has for the requirement also more and more higher of equipment
High reliability.
The content of the invention
It is an object of the invention to provide a kind of while the method and device of the multiple business of access, can preferably solve optical mode
Block takes up room the big and high problem of use cost.
According to an aspect of the present invention, there is provided it is a kind of while the method for accessing multiple business includes：
The redundancy backup of Optical Receivers of the network management unit configuration with multiple ports and optical transmission module matches somebody with somebody confidence
Breath, and send it to redundancy backup module；
The redundancy backup module is carried out to Optical Receivers and optical transmission module according to the redundancy backup configuration information
Circuit redundancy backup is configured；
The Optical Receivers is configured according to the circuit redundancy backup, by the redundancy from optical transmission system for receiving
Optical signal carries out de-redundancy process, obtains the multiple signals of telecommunication corresponding to multiple business；
The optical transmission module is configured according to the circuit redundancy backup, and the plurality of signal of telecommunication is carried out redundancy process,
Obtain the redundancy optical signal for optical transport.
Preferably, the plurality of port is for while receiving or sending n optical port of n optical signal, the network
Administrative unit configures interface by the circuit redundancy backup of Configuration Manager and the redundancy backup configuration information is sent to superfluous
Remaining backup module.
Preferably, Optical Receivers and light are sent by the redundancy backup module according to the redundancy backup configuration information
Module is respectively configured as by n optical port while access n redundancy optical signal of m business, wherein, the n redundancy light
Signal includes the m optical signal corresponding to m business and the n-m light letter for backup corresponding to n-m business therein
Number.
Preferably, the de-redundancy process step is specially：
The Optical Receivers receives n redundancy optical signal of m business simultaneously by its n optical port, and according to institute
The configuration of circuit redundancy backup is stated, the n redundancy optical signal is converted to into the m signal of telecommunication corresponding to m business.
Preferably, the redundant process steps are specially：
The optical transmission module receives the m signal of telecommunication corresponding to m business, and according to the circuit redundancy backup
The m signal of telecommunication is converted into the n redundancy optical signal for optical transport, is sent by its n optical port by configuration.
Preferably, methods described also includes：
The network management unit configures interface by performance threshold configuration information by the performance threshold of Configuration Manager
Send to numerical diagnostic module.
Preferably, methods described also includes：
Numerical diagnostic module carries out performance to Optical Receivers and optical transmission module according to the performance threshold configuration information
Thresholding is configured.
Preferably, methods described also includes：
The input performance parameter and/or output of numerical diagnostic module real-time monitoring Optical Receivers and/or optical transmission module
Performance parameter, and performance threshold configuration, the input performance parameter and/or output performance parameter are sent to performance alarm
Module；
The performance threshold configuration of performance alarm module and the input performance parameter and/or output performance parameter,
And according to comparative result, generate corresponding performance alarm information, send to network management unit.
According to a further aspect in the invention, there is provided a kind of while the device for accessing multiple business includes：
Network management unit, the redundancy backup for Optical Receivers of the configuration with multiple ports and optical transmission module are matched somebody with somebody
Confidence ceases, and sends it to redundancy backup module；
Redundancy backup module, for according to the redundancy backup configuration information, entering to Optical Receivers and optical transmission module
Line link redundancy backup is configured；
Optical Receivers, for configuring according to the circuit redundancy backup, will receive from the superfluous of optical transmission system
Remaining light signal carries out de-redundancy process, obtains the multiple signals of telecommunication corresponding to multiple business；
The plurality of signal of telecommunication, for configuring according to the circuit redundancy backup, is carried out redundancy process by optical transmission module,
Obtain the redundancy optical signal for optical transport.
Preferably, described device also includes：
Configuration Manager, for configuring the institute that the network management unit is configured by interface by its circuit redundancy backup
State redundancy backup configuration information to send to redundancy backup module, and interface is configured by the network management list by its performance threshold
The performance threshold configuration information of unit's configuration is sent to numerical diagnostic module；
Numerical diagnostic module, for according to the performance threshold configuration information, entering to Optical Receivers and optical transmission module
Row performance threshold is configured, the input performance parameter and/or output performance ginseng of real-time monitoring Optical Receivers and/or optical transmission module
Amount, and performance threshold configuration, the input performance parameter and/or output performance parameter are sent to performance alarm module；
Performance alarm module, for the comparison performance threshold configuration and the input performance parameter and/or output performance
Parameter, and according to comparative result, generate corresponding performance alarm information, send to network management unit.
Compared with prior art, the beneficial effects of the present invention is：
The present invention can reduce taking up room for optical module on existing optical transport veneer, reduce use cost, so as to carry
High application of the optical module in optical transport single board design.
Description of the drawings
Fig. 1 is provided in an embodiment of the present invention while accessing the method schematic of multiple business；
Fig. 2 is provided in an embodiment of the present invention while accessing the device block diagram of multiple business；
Fig. 3 is provided in an embodiment of the present invention while accessing the physical arrangement schematic diagram of the device of multiple business；
Fig. 4 is provided in an embodiment of the present invention while accessing the first process chart of the device of multiple business；
Fig. 5 is provided in an embodiment of the present invention while accessing the second processing flow chart of the device of multiple business；
Fig. 6 is one provided in an embodiment of the present invention while accessing the schematic device of two-way business；
Fig. 7 is provided in an embodiment of the present invention while the device interface for accessing two-way business is transversely arranged and longitudinal arrangement shows
It is intended to；
Fig. 8 is provided in an embodiment of the present invention while the device interface for accessing four tunnel business is transversely arranged and longitudinal arrangement shows
It is intended to.
Specific embodiment
Below in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail, it will be appreciated that described below is excellent
Select embodiment to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Fig. 1 shows provided in an embodiment of the present invention while accessing the method schematic of multiple business, as shown in figure 1, step
Suddenly include：
The redundancy of step S101, Optical Receivers of the network management unit configuration with multiple ports and optical transmission module is standby
Part configuration information, and send it to redundancy backup module.
The plurality of port is for while receiving or sending n optical port of n optical signal, the network management unit
Interface is configured by the Optical Receivers with n optical port and optical transmission module by the circuit redundancy backup of Configuration Manager
The redundancy backup configuration information send to redundancy backup module.
Step S102, the redundancy backup module are sent out to Optical Receivers and light according to the redundancy backup configuration information
Module is sent to enter the configuration of row line redundancy backup.
Optical Receivers and optical transmission module are distinguished by the redundancy backup module according to the redundancy backup configuration information
N optical port is configured to pass while accessing n redundancy optical signal of m business, wherein, the n redundancy optical signal includes
M optical signal and the n-m optical signal for backup corresponding to n-m business therein corresponding to m business, m≤n.
That is, the part circuit of the Optical Receivers and the optical transmission module is configured for receiving and dispatching in the middle part of m business
The optical signal for redundancy backup of separate service.
Step S103, the Optical Receivers are configured according to the circuit redundancy backup, will be received from optical transport
The redundancy optical signal of system carries out de-redundancy process, obtains the multiple signals of telecommunication corresponding to multiple business.
The Optical Receivers receives n redundancy optical signal of m business simultaneously by its n optical port, and according to institute
The configuration of circuit redundancy backup is stated, the n redundancy optical signal is converted to into the m signal of telecommunication corresponding to m business.Altogether may be used
As a example by accessing the device of 6 tunnel business, Optical Receivers can be configured to access 4 tunnel business, remaining 2 tunnel is used as backup.When
When the Optical Receivers receives 6 redundancy optical signals of 4 tunnel business by its 6 optical ports, by 6 redundancy optical signals
Be converted to 4 signals of telecommunication corresponding to 4 business.6 optical signals of above-mentioned reception are included for backing up wherein 2 tunnel industry respectively
2 optical signals of business.
Step S104, the optical transmission module are configured according to the circuit redundancy backup, and the plurality of signal of telecommunication is carried out
Redundancy process, obtains the redundancy optical signal for optical transport.
The optical transmission module receives the m signal of telecommunication, and configures according to the circuit redundancy backup, by m business
The m signal of telecommunication be converted into the n redundancy optical signal for optical transport, sent by its n optical port.With altogether can be with
As a example by accessing the device of 6 tunnel business, optical transmission module can be configured to access 4 tunnel business, remaining 2 tunnel is used as backup.Work as institute
When stating optical transmission module and receiving 4 signals of telecommunication corresponding to 4 tunnel business, 4 signals of telecommunication are converted to into 6 redundancy light
Signal.Above-mentioned 6 redundancy optical signals include that for backing up 2 optical signals of wherein 2 tunnel business respectively this 2 optical signals lead to
Cross spectroscopic modes to obtain, will 2 optical signals of wherein 2 tunnel business replicate respectively, form 2 optical signals for backup.
Fig. 2 shows provided in an embodiment of the present invention while accessing the device block diagram of multiple business, as shown in Fig. 2 including
Network management unit, Configuration Manager, redundancy backup module, Optical Receivers, optical transmission module, numerical diagnostic module, property
Can alarm module.
The network management unit is used for the Optical Receivers for having multiple ports by its interface configurations and light sends mould
The redundancy backup configuration information and performance threshold configuration information of block, and redundancy backup module and numerical diagnostic mould are issued to respectively
Block；It is additionally operable to inquire about the input performance parameter and output performance parameter of Optical Receivers and optical transmission module, display performance alarm
Input performance parameter that module is reported, output performance parameter, performance alarm information.
The Configuration Manager is used to configure the network management unit by its circuit redundancy backup configuration interface
The redundancy backup configuration information send to redundancy backup module, and interface is configured by the network pipe by its performance threshold
The performance threshold configuration information of reason unit configuration is sent to numerical diagnostic module.That is, the Configuration Manager is used for
Circuit redundancy backup configuration interface and performance threshold configuration interface are provided, allow the network management unit to pass through these interfaces
The concrete redundancy backup mode of configuration performance threshold and circuit.
The redundancy backup module for according to the redundancy backup configuration information, to Optical Receivers and optical transmission module
Enter the configuration of row line redundancy backup.That is, the redundancy backup module is according to the redundancy configured from Configuration Manager
Backup mode, the redundancy backup of concrete configuration circuit.Even if the part receiving circuit of the Optical Receivers is accessed in m business
The optical signal for redundancy backup of partial service, and de-redundancy process is carried out, make the part of the optical transmission module send line
Road carries out redundancy process to the optical signal of partial service in m business, obtains the optical signal for redundancy backup.
The Optical Receivers will be received from optical transmission system for configuring according to the circuit redundancy backup
Redundancy optical signal carries out de-redundancy process, obtains the multiple signals of telecommunication corresponding to multiple business.The Optical Receivers includes many
Individual photoreceiver, such as 2,4,6 etc., for the redundancy optical signal for receiving is converted to corresponding to the multiple of multiple business
The signal of telecommunication.
The optical transmission module is carried out the plurality of signal of telecommunication at redundancy for configuring according to the circuit redundancy backup
Reason, obtains the redundancy optical signal for optical transport.The optical transmission module includes multiple laser instrument, such as 2,4,6 etc.,
For multiple signals of telecommunication of multiple business being converted to the redundancy optical signal for optical transport.
The numerical diagnostic module for according to the performance threshold configuration information, to Optical Receivers and optical transmission module
Carry out the input performance parameter and/or output performance of performance threshold configuration, real-time monitoring Optical Receivers and/or optical transmission module
Parameter, and performance threshold configuration, the input performance parameter and/or output performance parameter are sent to performance alarm mould
Block.By the numerical diagnostic module, the network management unit can be with real-time monitoring Optical Receivers and optical transmission module
Temperature, supply voltage, laser bias current and transmitting and the input/output performance parameter such as received optical power.These parameters
Measurement, the position that network management unit can be helped to break down in finding out optical fiber link simplify maintenance work, improve system
Reliability.
The performance alarm module is used for the comparison performance threshold configuration and the input performance parameter and/or output property
Energy parameter, and according to comparative result, generate corresponding performance alarm information, send to network management unit.Performance alarm module
According to the specific performance data that the performance threshold and digital diagnostic module of network management unit configuration are provided, output is corresponding to accuse
It is alert, while providing the inquiry and reception of input performance parameter and/or output performance parameter.
Fig. 3 is provided in an embodiment of the present invention while accessing the physical arrangement schematic diagram of the device of multiple business, such as Fig. 3 institutes
Show, from physically, n redundancy optical signal of access is carried out opto-electronic conversion process and obtained corresponding to m industry by described device
The m signal of telecommunication of business, and the m signal of telecommunication is carried out into electro-optic conversion and redundancy backup process, obtain the n redundancy for optical transport
Optical signal.
Fig. 4 is provided in an embodiment of the present invention while accessing the first process chart of the device of multiple business, such as Fig. 4 institutes
Show, step includes：
Network management unit configures interface and the configuration of circuit redundancy backup by the performance threshold of Configuration Manager respectively
Interface sends the performance threshold configuration information and redundancy backup configuration information of configuration to numerical diagnostic module and redundancy backup mould
Block.
Optical Receivers is configured according to the circuit redundancy backup of the redundancy backup module, the n redundancy light letter for receiving
Number be converted to the m signal of telecommunication corresponding to m business.The input optical power of numerical diagnostic module monitors n redundancy optical signal and
Input signal etc. is input into performance parameter, makes performance alarm module according to the monitoring result and Configuration Manager of numerical diagnostic module
The performance threshold of configuration is analyzed, and is confirmed whether to report corresponding alarm, while providing input performance ginseng to network management unit
The query interface of amount.
Optical transmission module is configured according to the circuit redundancy backup of the redundancy backup module, and the m signal of telecommunication is converted to n
Redundancy optical signal is transmitted.Numerical diagnostic module can monitor the transmitting optical power of n redundancy optical signal, supply voltage, biasing
The output performance parameter such as electric current, module temperature, makes performance alarm module according to the monitoring result of numerical diagnostic module and configuration pipe
The performance threshold of reason module configuration is analyzed, and is confirmed whether to report corresponding alarm, while providing output to network management unit
The query interface of performance parameter.
Fig. 5 is provided in an embodiment of the present invention while accessing the second processing flow chart of the device of multiple business, such as Fig. 5 institutes
Show, step includes：
The performance threshold configuration information and redundancy backup configuration information configured by the first step, network management unit is issued to
Configuration Manager.
The performance threshold configuration information for receiving and redundancy backup configuration information are distinguished by second step, Configuration Manager
It is transmitted to numerical diagnostic module and redundancy backup module.
The redundancy backup configuration information of 3rd step, redundancy backup module according to Configuration Manager, carries out specific redundancy
Backup configuration, i.e., enter the configuration of row line redundancy backup to Optical Receivers and optical transmission module.
With the transmitting line of the receiving circuit of the Optical Receivers and optical transmission module maximum access capability to connect
As a example by entering n business, in order to improve the reliability of business, by the receiving circuit of the Optical Receivers and the optical transmission module
Transmitting line be configured to access m business, remaining access capability is used for the optical signal that transmitting-receiving is used for redundancy backup, here institute
The optical signal for redundancy backup stated refers to that the optical signal to partial service in m business carries out the optical signal of redundancy backup,
Wherein, m≤n.It should be noted that in the case of m=n, the receiving circuit of the Optical Receivers and the light send mould
The transmitting line of block is all used for access service, i.e., now there is no the optical signal for redundancy backup.
4th step, Optical Receivers are configured according to the circuit redundancy backup of redundancy backup module, n for receiving (here
N, determined according to actually used scene, can be 2,4,6,8 etc., similarly hereinafter) redundancy optical signal is converted to m
The signal of telecommunication (m ＜=n), the corresponding relation of the concrete m signal of telecommunication and n optical signal depend on the configuration of redundancy backup module.
5th step, the temperature of n photoreceiver of numerical diagnostic module real-time monitoring Optical Receivers and received optical power
Deng input performance parameter, and configure the performance threshold of correlation.
The performance threshold and digital diagnostic module that 6th step, performance alarm module are configured according to Configuration Manager is supervised in real time
The input performance parameter of survey, is analyzed, and judges whether to report related alarm according to analysis result, while reporting corresponding defeated
Enter performance parameter.
7th step, optical transmission module are configured according to the circuit redundancy backup of redundancy backup module, the signal of telecommunication conversion of m
Send for n redundancy optical signal.
8th step, the temperature of multiple laser instrument of numerical diagnostic module real-time monitoring optical transmission module, supply voltage, laser
The performance output parameter such as device bias current and transmitting optical power.
The performance threshold and digital diagnostic module that 9th step, performance alarm module are configured according to Configuration Manager is supervised in real time
The output performance parameter of survey, is analyzed, and judges whether to report related alarm according to analysis result, while reporting corresponding defeated
Go out performance parameter.
Fig. 6 is one provided in an embodiment of the present invention while accessing the schematic device of two-way business, is included as shown in Figure 6
2 optical ports of 2 optical ports and optical transmission module of Optical Receivers.Its interface is transversely arranged with longitudinal arrangement schematic diagram such as
Shown in Fig. 7.
Fig. 8 is provided in an embodiment of the present invention while the device interface for accessing four tunnel business is transversely arranged and longitudinal arrangement shows
It is intended to, as shown in figure 8,4 optical ports of 4 optical ports and optical transmission module including Optical Receivers.
The quantity for accessing multiple business simultaneously depends on the optical transport veneer of concrete wavelength-division system, and existing service board connects
Enter business and be generally 2 roads to 6 tunnels, sets forth in Fig. 7 and Fig. 8 while the device for accessing 2 tunnel business and 4 tunnel business connects
The transversely arranged schematic diagram with longitudinal arrangement of mouth, can also access 6 tunnels, 8 tunnel business, concrete module interface simultaneously in practical application
Arrangement can be arranged according to actual physical size and structure design.
In sum, the present invention has following technique effect：
1st, the present invention is based on optical module practical application scene, accesses while realizing multiple business using an optical module,
Optical module taking up room on optical transport veneer is physically being saved, cost is being reduced, optical module design is being improve
Ease for use.
2nd, the present invention provides redundancy backup mode for the multi-channel service of access simultaneously, and the concrete redundancy backup mode for adopting can
To be configured by network management unit, backup mode flexibly, improves the reliability of access service.
The present invention describes a kind of while the method and apparatus for accessing multiple business, which describes some module interfaces
Mentality of designing, but the mentality of designing of module interface is not limited.Without departing from determined by dependent claims this
Under conditions of bright spirit and scope, those skilled in the art can take into account the amendment of many, change, changes, substitutes and wait
The content of effect.
Although being described in detail to the present invention above, the invention is not restricted to this, those skilled in the art of the present technique
Various modifications can be carried out with principle of the invention.Therefore, all modifications made according to the principle of the invention, all should be understood to
Fall into protection scope of the present invention.
Claims (10)
1. a kind of while the method for accessing multiple business, it is characterised in that include：
The redundancy backup configuration information of Optical Receivers of the network management unit configuration with multiple ports and optical transmission module, and
Send it to redundancy backup module；
The redundancy backup module enters row line to Optical Receivers and optical transmission module according to the redundancy backup configuration information
Redundancy backup is configured；
The Optical Receivers is configured according to the circuit redundancy backup, and the redundancy light from optical transmission system for receiving is believed
Number, de-redundancy process is carried out, the multiple signals of telecommunication corresponding to multiple business are obtained；
The optical transmission module is configured according to the circuit redundancy backup, and the multiple signals of telecommunication to be sent for being received carry out superfluous
Remaining process, obtains the redundancy optical signal for optical transport.
2. method according to claim 1, it is characterised in that the plurality of port is for while receiving or sending n
N optical port of optical signal, the network management unit configure interface by institute by the circuit redundancy backup of Configuration Manager
State redundancy backup configuration information to send to redundancy backup module.
3. method according to claim 2, it is characterised in that the redundancy backup module is configured according to the redundancy backup
Information, Optical Receivers and optical transmission module is respectively configured as by n optical port while accessing n redundancy of m business
Optical signal, wherein, the n redundancy optical signal is included corresponding to m optical signal of m business and corresponding to n-m therein
The n-m optical signal for backup of business, m≤n.
4. method according to claim 3, it is characterised in that the de-redundancy process step is specially：
The Optical Receivers receives n redundancy optical signal of m business simultaneously by its n optical port, and according to the line
Link redundancy backup is configured, and the n redundancy optical signal is converted to the m signal of telecommunication corresponding to m business.
5. method according to claim 4, it is characterised in that the redundant process steps are specially：
The optical transmission module receives the m signal of telecommunication corresponding to m business, and configures according to the circuit redundancy backup, will
The m signal of telecommunication is converted into the n redundancy optical signal for optical transport, is sent by its n optical port.
6. the method according to claim 1-5 any one, it is characterised in that methods described also includes：
The network management unit configures interface by the performance threshold of Configuration Manager and sends performance threshold configuration information
To numerical diagnostic module.
7. method according to claim 6, it is characterised in that methods described also includes：
Numerical diagnostic module carries out performance threshold to Optical Receivers and optical transmission module according to the performance threshold configuration information
Configuration.
8. method according to claim 7, it is characterised in that methods described also includes：
The input performance parameter and/or output performance of numerical diagnostic module real-time monitoring Optical Receivers and/or optical transmission module
Parameter, and performance threshold configuration, the input performance parameter and/or output performance parameter are sent to performance alarm mould
Block；
The performance threshold configuration of performance alarm module and the input performance parameter and/or output performance parameter, and root
According to comparative result, corresponding performance alarm information is generated, is sent to network management unit.
9. a kind of while accessing the device of multiple business, it is characterised in that include：
Network management unit, the redundancy backup for Optical Receivers of the configuration with multiple ports and optical transmission module match somebody with somebody confidence
Breath, and send it to redundancy backup module；
Redundancy backup module, for according to the redundancy backup configuration information, entering line to Optical Receivers and optical transmission module
Link redundancy backup is configured；
Optical Receivers, for configuring according to the circuit redundancy backup, by the redundancy light from optical transmission system for receiving
Signal carries out de-redundancy process, obtains the multiple signals of telecommunication corresponding to multiple business；
Optical transmission module, for configuring according to the circuit redundancy backup, the multiple signals of telecommunication to be sent for being received are carried out
Redundancy process, obtains the redundancy optical signal for optical transport.
10. device according to claim 9, it is characterised in that also include：
Configuration Manager, for by its circuit redundancy backup configure interface by the network management unit configure it is described superfluous
Remaining backup configuration information is sent to redundancy backup module, and is matched somebody with somebody the network management unit by its performance threshold configuration interface
The performance threshold configuration information put is sent to numerical diagnostic module；
Numerical diagnostic module, for according to the performance threshold configuration information, to Optical Receivers and optical transmission module progressive
The input performance parameter and/or output performance parameter of energy thresholding configuration, real-time monitoring Optical Receivers and/or optical transmission module,
And performance threshold configuration, the input performance parameter and/or output performance parameter are sent to performance alarm module；
Performance alarm module, for the comparison performance threshold configuration and the input performance parameter and/or output performance parameter,
And according to comparative result, generate corresponding performance alarm information, send to network management unit.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| JP4845582B2 (en) * | 2006-05-09 | 2011-12-28 | 富士通株式会社 | Plug-in card for optical transmission equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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