CN106160918A - The energy-saving control method of OLT port and device in TWDM PON network - Google Patents
The energy-saving control method of OLT port and device in TWDM PON network Download PDFInfo
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- CN106160918A CN106160918A CN201510199712.5A CN201510199712A CN106160918A CN 106160918 A CN106160918 A CN 106160918A CN 201510199712 A CN201510199712 A CN 201510199712A CN 106160918 A CN106160918 A CN 106160918A
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Abstract
The invention discloses energy-saving control method and the device of OLT port in a kind of TWDM PON, relate to optical access network field.Wherein energy-saving control method includes: judge whether to select OLT port to enter dormancy from OLT system according to total traffic load situation of OLT system;When judging to select OLT port to enter dormancy, add up the traffic load situation of each OLT port, select the OLT port of traffic load minimum as the OLT port needing dormancy;The ONU hung under this OLT port is migrated to other OLT ports, then controls this OLT port and enter park mode.The present invention, from the actual demand of existing network service operation, using OLT port payload as the foundation selecting OLT port to carry out dormancy, can reduce the quantity of business migration.
Description
Technical field
The present invention relates to optical access network field, particularly to a kind of TWDM, (time-division wavelength-division is multiple
With) OLT (optical line terminal) port is energy-conservation in PON (passive optical access network) network
Control method and device.
Background technology
The green energy conservation of communication system and low carbonization are that the outer operator of Now Domestic pays close attention to jointly
Problem, and access network due to huge, equipment is numerous, according to ASSOCIATE STATISTICS, occupies net
More than the 70% of network energy consumption, therefore, promotes green energy conservation technology tool in the research and development of access network field
There are good economy and social value.
In time division multiplex PON system, owing to operation wavelength is identical, different OLT ports
Under ONU (optical network unit) cannot interconnect, can only operate in OLT itself
Under port, wavelength otherwise can be caused to disturb.Therefore, in time division multiplex PON system, OLT
Port cannot realize ONU dynamic migration and energy-conservation sleep mode.
TWDM PON system has additionally introduced again wavelength-division multiplex on the basis of time division multiplex
Work dimension, therefore the colorless ONU under different OLT ports can realize free migration,
As long as ONU changes the operation wavelength of oneself optical transceiver, it is possible to from different OLT ends
The existing service interfacing of cause for gossip.Therefore, TWDM PON system can would operate in a certain wavelength
ONU under OLT port moves under the OLT port of other operation wavelengths, then should
OLT port enters dormancy, thus realizes energy-conservation sleep mode.
But, prior art states the energy-conservation control of OLT port in TWDM PON in realization
Time processed, OLT port is selected to carry out dormancy, if choosing according to OLT port numbering size
OLT port under hang with the more ONU that enlivens, large-scale business migration may be caused
Process, increase the weight of network processes load.Additionally, prior art is when business migration processing controls,
For being in the ONU of active state (i.e. normal operating conditions), there is the most complete migration
Control administrative mechanism, but lack ripe migration control for being in the ONU of park mode
Making mechanism, it is likely that cause the dormancy ONU cannot be by the migration machine as enlivening ONU
System is successfully completed migration, thus after causing the doze output time-out of dormancy ONU to wake up up, sends out
Now cannot be normally mutual with original OLT port, cause that dormancy ONU is the most spontaneous and restart on
Line, returns to register state of activation and finds OLT port, cause whole system bigger
Instantaneous load, has a strong impact on existing network business.
Summary of the invention
It is an object of the invention to the energy-conservation control of OLT port in TWDM PON
During system, reduce business migration as far as possible and process.
It is a further object of the invention that the energy-conservation of in TWDM PON OLT port
During control, it is to avoid dormancy ONU is the most spontaneous restarts and reach the standard grade so that affecting existing network business.
The first aspect of the invention provides OLT port in a kind of TWDM PON
Energy-saving control method, including: according to total traffic load feelings of optical line terminal OLT system
Condition judges whether to select OLT port to enter dormancy from OLT system;When judge can
During to select OLT port to enter dormancy, add up the traffic load situation of each OLT port,
Select the OLT port of traffic load minimum as the OLT port needing dormancy;By this business
The optical network unit ONU hung under the OLT port that load is minimum migrates to other OLT ports,
Control the minimum OLT port of this traffic load and enter park mode.
In one embodiment, judging whether according to total traffic load situation of OLT system can
Include to select OLT port to enter dormancy from OLT system: if institute in OLT system
There is the quantity summation enlivening ONU and dormancy ONU less than or equal to (N-1) × every OLT end
The maximum open ended ONU quantity of mouth, then can select OLT port to enter from OLT system
Enter dormancy, otherwise, it is impossible to selection OLT port entrance dormancy from OLT system, wherein,
In OLT system, OLT port number is N.
In one embodiment, add up the traffic load situation of each OLT port, select industry
The OLT port of business load minimum includes as the OLT port needing dormancy: add up each
That hangs under OLT port enlivens ONU quantity and dormancy ONU quantity;Select the active of lower extension
The OLT port of ONU minimum number is as the OLT port needing dormancy;If there is extremely
Hang under few two OLT ports to enliven ONU quantity identical and be minima, therefrom select
The OLT port of dormancy ONU minimum number is as the OLT port needing dormancy;If deposited
Hang under at least two OLT port to enliven ONU quantity identical and be minima, simultaneously
The dormancy ONU quantity of lower extension is identical and is minima, by the wavelength channel of OLT port
Numbering therefrom selects can be with the OLT port of dormancy, or therefrom randomly choose can be with dormancy
OLT port.
In one embodiment, the ONU hung under OLT port minimum for this traffic load is moved
Move to other OLT ports, control the minimum OLT port of this traffic load and enter park mode,
Including: the ONU that enlivens hung under the OLT port minimum by this traffic load migrates to other
OLT port, if the OLT port of this traffic load minimum hangs with down dormancy ONU, will stop
Dormancy ONU wakes up up and migrates to other OLT ports, controls the OLT that this traffic load is minimum
Port enters park mode;Or, the work hung under the OLT port minimum by this traffic load
The ONU that jumps migrates to other OLT ports, if the minimum OLT port of this traffic load also under
Hang with dormancy ONU, opening timing device, dormancy ONU is waken up up and migrates to other OLT
Port, if after timer expiry, still has ONU not respond or be not fully complete business migration work
Make, control the minimum OLT port of this traffic load and enter park mode.
In one embodiment, periodically judging whether according to the cycle arranged can be from OLT system
System select OLT port enter dormancy.
In one embodiment, the method also includes: check the OLT port joint of OLT system
Park mode enable whether opening, if opening, then carrying out the Energy Saving Control of OLT port.
The second aspect of the invention provides OLT port in a kind of TWDM PON
Energy-saving control device, including dormancy judge module, for according to optical line terminal OLT
Total traffic load situation of system judges whether OLT port to be selected from OLT system to enter
Enter dormancy;Port selects module, judges to select OLT port to enter dormancy for working as
Time, add up the traffic load situation of each OLT port, select the OLT that traffic load is minimum
Port is as the OLT port needing dormancy;Dormancy processing module, for by this traffic load
The optical network unit ONU hung under minimum OLT port migrates to other OLT ports, control
Make the minimum OLT port of this traffic load and enter park mode.
In one embodiment, dormancy judge module specifically for: if institute in OLT system
There is the quantity summation enlivening ONU and dormancy ONU less than or equal to (N-1) × every OLT end
The maximum open ended ONU quantity of mouth, then can select OLT port to enter from OLT system
Enter dormancy, otherwise, it is impossible to selection OLT port entrance dormancy from OLT system, wherein,
In OLT system, OLT port number is N.
In one embodiment, port select module specifically for: add up each OLT port
Lower extension enliven ONU quantity and dormancy ONU quantity;Select lower extension enlivens ONU quantity
Minimum OLT port is as the OLT port needing dormancy;If there is at least two OLT
Hang under port to enliven ONU quantity identical and be minima, therefrom select dormancy ONU number
Measure minimum OLT port as the OLT port needing dormancy;If there is at least two
Hang under OLT port to enliven ONU quantity identical and be minima, with the dormancy hung at present
ONU quantity is identical and is minima, is numbered by the wavelength channel of OLT port and therefrom selects
Selecting can be with the OLT port of dormancy, or therefrom randomly choose can be with the OLT port of dormancy.
In one embodiment, dormancy processing module specifically for: this traffic load is minimum
The ONU that enlivens hung under OLT port migrates to other OLT ports, if this traffic load is
Little OLT port hangs with down dormancy ONU, is waken up up by dormancy ONU and migrates to other
OLT port, controls the minimum OLT port of this traffic load and enters park mode;Or,
The ONU that enlivens hung under the OLT port minimum by this traffic load migrates to other OLT ends
Mouthful, if the minimum OLT port of this traffic load hangs with down dormancy ONU, opening timing device,
Dormancy ONU waken up up and migrates to other OLT ports, if after timer expiry, still having
ONU does not responds or is not fully complete business migration work, controls the OLT that this traffic load is minimum
Port enters park mode.
In one embodiment, dormancy judge module is specifically for periodically sentencing according to the cycle arranged
Break and OLT port whether can be selected from OLT system to enter dormancy.
In one embodiment, this device also includes: enables module, is used for checking OLT system
Whether the energy-conservation park mode of OLT port of system enables and opens, if opening, then carries out OLT end
The Energy Saving Control of mouth.
The present invention at least has the advantage that
On the one hand, the present invention is from the actual demand of existing network service operation, with OLT port
Payload, as the foundation selecting OLT port to carry out dormancy, can reduce business migration
Quantity, particularly can at utmost reduce and enliven ONU and interrupt regular traffic and carry out business and move
The quantity moved.
On the other hand, the present invention, in business migration processes, considers simultaneously and is in park mode
The concrete processing mode of ONU, carries out business migration by waking up dormancy ONU in advance up, reduces
Its service recovery time, it is to avoid or reduce ONU spontaneous restart reach the standard grade, reduce to existing network business
Impact.
By detailed description to the exemplary embodiment of the present invention referring to the drawings, the present invention
Further feature and advantage will be made apparent from.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it is clear that
Ground, the accompanying drawing in describing below is only some embodiments of the present invention, skill common for this area
From the point of view of art personnel, on the premise of not paying creative work, it is also possible to obtain according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is TWDM PON configuration diagram.
Fig. 2 be the present invention TWDM PON in the energy-saving control method one of OLT port
The schematic flow sheet of embodiment.
Fig. 3 be the present invention TWDM PON in the energy-saving control method of OLT port another
The schematic flow sheet of individual embodiment.
Fig. 4 and Fig. 5 is the system that the Energy Saving case of the present invention does not carries out energy-conservation dormancy
View and the system mode schematic diagram after completing energy-conservation dormancy.
Fig. 6 be the present invention TWDM PON in the energy-saving control device of OLT port
The structural representation of one embodiment.
Fig. 7 be the present invention TWDM PON in the energy-saving control device of OLT port
The structural representation of further embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical scheme in the embodiment of the present invention
It is clearly and completely described.
The present invention is directed to TWDM PON environment, propose the energy-conservation of a kind of OLT port
Control program.With reference to the TWDM PON configuration diagram shown in Fig. 1, at TWDM
In PON system, the up-downgoing wavelength that different OLT ports are used is to different, each
ONU is colourless, and the optical transceiver wavelength that so-called colorless ONU refers to ONU is also adjustable
Humorous, can be operated in as required below any one OLT port.
Can be with tuning characteristic based on the wavelength of colorless ONU in TWDM PON, this
The energy-saving control method of OLT port in bright proposition a kind of TWDM PON, with reference to figure
Shown in 2, the method for the present embodiment comprises the following steps:
S202, judging whether according to total traffic load situation of OLT system can be from OLT
System select OLT port enter dormancy.
S204, when judging to select OLT port to enter dormancy, adds up each OLT
The traffic load situation of port, selects the OLT port of traffic load minimum as needs dormancy
OLT port.
S206, the optical network unit ONU hung under the OLT port minimum by this traffic load
Migrate to other OLT ports, control the minimum OLT port of this traffic load and enter dormancy
Pattern.
Above-described embodiment is from the actual demand of existing network service operation, with OLT port load
Size, as the foundation selecting OLT port to carry out dormancy, can reduce the quantity of business migration.
In step S202, a kind of exemplary implementation, following methods can be used to sentence
Break and OLT port whether can be selected from OLT system to enter dormancy, the most whether meet bar
Part can enter park mode:
If OLT port number is N in OLT system, if all active in OLT system
The quantity summation of ONU and dormancy ONU is less than or equal to (N-1) × every OLT port
Big open ended ONU quantity, then can select OLT port to enter from OLT system and stop
Sleep, otherwise, it is impossible to select OLT port to enter dormancy from OLT system.
Above-mentioned determination methods first determined whether to carry out the end of Energy Saving Control before Energy Saving Control
Mouth resource, if there being the port resource carrying out Energy Saving Control to carry out the Energy Saving Control of OLT port again,
The blindness of Energy Saving Control can be avoided.
When implementing step S202, periodically can judge whether permissible according to the cycle arranged
OLT port is selected to enter dormancy from OLT system.This periodic determination methods is not required to
The most individually to trigger judgement step, can find to carry out the situation of Energy Saving Control in time,
Thus carry out Energy Saving Control much sooner.Periodically determination methods can be by arranging timing
The mode of device realizes, and often reaches a timing, then triggers a judge process.
In step S204, a kind of exemplary implementation, following methods can be used to select
Need the OLT port of dormancy:
Add up hang under each OLT port enliven ONU quantity and dormancy ONU quantity, choosing
Select the OLT port enlivening ONU minimum number of lower extension as needing the OLT port of dormancy,
Thus at utmost reduce and enliven ONU and interrupt regular traffic and carry out the quantity of business migration.As
Fruit exist hang under at least two OLT port to enliven ONU quantity identical and be minima,
Therefrom select the OLT port of dormancy ONU minimum number as the OLT port needing dormancy.
If there is under at least two OLT port hang enliven ONU quantity identical and be minima,
Identical with the dormancy ONU quantity hung at present and be minima, by the wavelength of OLT port
Channel number size the most therefrom selects with the OLT port of dormancy, or to select the most at random
Selecting can be with the OLT port of dormancy.
The selection scheme of above-mentioned dormancy OLT port, pays the utmost attention to enliven the migration quantity of ONU,
At utmost reduce and enliven ONU and interrupt regular traffic and carry out the quantity of business migration, also simultaneously
Consider the impact for business migration of the dormancy ONU quantity.
In step S206, such as, following methods can be used to carry out migration and the dormancy of ONU
Control:
First method, the ONU that enlivens hung under the OLT port minimum by this traffic load moves
Move to other OLT ports, hang dormancy ONU if not lower, then can control this traffic load
Minimum OLT port enters park mode, if the minimum OLT port of this traffic load also under
Hang with dormancy ONU, dormancy ONU wakes up and migrates to other OLT ports, the most again up
Control the minimum OLT port of this traffic load and enter park mode.By waking up dormancy in advance up
ONU carries out business migration, reduces its service recovery time, it is to avoid ONU is spontaneous restarts and reach the standard grade,
Reduce the impact on existing network business.
Second method, the ONU that enlivens hung under the OLT port minimum by this traffic load moves
Move to other OLT ports, hang dormancy ONU if not lower, then can control this traffic load
Minimum OLT port enters park mode, if the minimum OLT port of this traffic load also under
Hanging with dormancy ONU, opening timing device, in timing, by dormancy ONU as much as possible
Wake up up and migrate to other OLT ports, after timer expiry, if still there being ONU not respond
Or it is not fully complete business migration work, for ensureing that OLT port can enter dormancy the most in time
Pattern, then abandon the process to residue ONU, controls the OLT port that this traffic load is minimum
Enter park mode.
These are not fully complete the ONU of migration, owing to this OLT port has been switched off, and subsequently can nothing
Method receives the downlink data that OLT port issues, when receiving downlink data in certain time
Time, these ONU can restart authentication registration process, now, OLT system again be
These ONU share out the work wavelength and concrete OLT port, but this process compares OLT
It is more time-consuming that port actively wakes up migration up, and a large amount of ONU restart simultaneously after carry out registration and recognize
Card also brings bigger instantaneous load to OLT system, and therefore the present invention first passes through actively
Wake up migration pattern up and process the ONU of energy-conservation park mode, after timer expiry, consider further that use
System itself re-register identifying procedure, at utmost reduce the impact on existing network business.
Fig. 3 be the present invention TWDM PON in the energy-saving control method of OLT port
The schematic flow sheet of another embodiment.With reference to shown in Fig. 3, the method for the present embodiment include with
Lower step:
The energy-conservation park mode of S302, OLT port can manually be turned on and off, and OLT passes through
Set intervalometer T1, in the timing cycle of intervalometer T1, make regular check on OLT system
Whether the energy-conservation park mode of OLT port enables and opens.
S304, opens if the energy-conservation park mode of OLT port enables, and OLT system is by setting
Determine intervalometer T2, in the timing cycle of intervalometer T2, make regular check on and judge all OLT
Whether whether port meets condition can enter energy-conservation park mode, namely can be from OLT system
System select OLT port enter dormancy.Decision condition is with reference to the realization side of abovementioned steps S202
Formula.
S306, selects to need to enter the OLT port of energy-conservation park mode, specifically chosen method
With reference to the implementation of abovementioned steps S204, the ONU that enlivens under this OLT port is migrated
To other OLT ports.ONU can come by changing the optical transceiver operation wavelength of self
Move under other OLT ports.
S308, after completing to enliven the migration work of ONU, whether system judges this OLT port
Also it is in the ONU of park mode.
S310, if not in the ONU of park mode, directly performs step S312 and enters
Energy-conservation park mode, if there being the ONU being in park mode, opening timing device T3, to this
A little ONU carry out waking up up and business migration work.If after intervalometer T3 time-out, still having part
ONU does not responds or is not fully complete business migration work, for ensureing that OLT port can enter smoothly
Energy-conservation park mode, then abandon the process to these ONU, performs step S312 and enters energy-conservation
Park mode.
S312, this OLT port enters energy-conservation park mode.
S314, for entering the OLT port of energy-conservation park mode, when active in OLT system
ONU quantity increases, and when exceeding the ability that current OLT port can be received, system can be right
Dormancy OLT port wakes up up so that it is exit park mode, returns and enlivens duty.
As shown in Figure 4 and Figure 5, Fig. 4 is not for carry out for one Energy Saving case of OLT port
The system mode schematic diagram of energy-conservation dormancy, it is assumed that OLT port enlivens ONU quantity 2 times
Minimum, therefore determined to enter energy-conservation resting state, after Fig. 5 has been energy-conservation dormancy by system
System mode schematic diagram, now OLT port 2 is closed, and its lower ONU hung is migrated to
OLT port 3 and OLT port 4 times.
Present invention also offers the Energy Saving Control of OLT port in a kind of TWDM PON
Device, with reference to Fig. 6, this energy-saving control device includes:
Dormancy judge module 602, for the total traffic load according to optical line terminal OLT system
Situation judges whether to select OLT port to enter dormancy from OLT system;
Port selects module 604, is used for when judging to select OLT port to enter dormancy,
Add up the traffic load situation of each OLT port, select the OLT port that traffic load is minimum
As the OLT port needing dormancy;
Dormancy processing module 606, the light hung under the OLT port that this traffic load is minimum
NE ONU migrates to other OLT ports, controls the OLT that this traffic load is minimum
Port enters park mode.
A kind of implementation, dormancy judge module 602 specifically for: if in OLT system
All quantity summations of ONU and dormancy ONU of enlivening are less than or equal to (N-1) × every OLT
The maximum open ended ONU quantity of port, then can select OLT port from OLT system
Enter dormancy, otherwise, it is impossible to selection OLT port entrance dormancy from OLT system, wherein,
In OLT system, OLT port number is N.
A kind of implementation, port select module 604 specifically for: add up each OLT end
That hangs under mouthful enlivens ONU quantity and dormancy ONU quantity;Select lower extension enlivens ONU number
Measure minimum OLT port as the OLT port needing dormancy;If there is at least two
Hang under OLT port to enliven ONU quantity identical and be minima, therefrom select dormancy
The OLT port of ONU minimum number is as the OLT port needing dormancy;If there is extremely
Hang under few two OLT ports to enliven ONU quantity identical and be minima, with hanging at present
Dormancy ONU quantity identical and be minima, numbered by the wavelength channel of OLT port
Therefrom selecting can be with the OLT port of dormancy, or therefrom randomly choose can be with the OLT of dormancy
Port.
A kind of implementation, dormancy processing module 606 specifically for: this traffic load is minimum
OLT port under hang the ONU that enlivens migrate to other OLT ports, if this traffic load
Minimum OLT port hangs with down dormancy ONU, is waken up up by dormancy ONU and migrates to it
His OLT port, controls the minimum OLT port of this traffic load and enters park mode;Or,
The ONU that enlivens hung under the OLT port minimum by this traffic load migrates to other OLT ends
Mouthful, if the minimum OLT port of this traffic load hangs with down dormancy ONU, opening timing device,
Dormancy ONU waken up up and migrates to other OLT ports, if after timer expiry, still having
ONU does not responds or is not fully complete business migration work, controls the OLT that this traffic load is minimum
Port enters park mode.
A kind of implementation, dormancy judge module 602 is specifically for regular according to the cycle arranged
Judge whether to select OLT port to enter dormancy from OLT system.
Further, with reference to Fig. 7, this energy-saving control device also includes: enables module 708, is used for
Check that the energy-conservation park mode of OLT port of OLT system enables whether to open, if opening, then
Carry out the Energy Saving Control of OLT port.
The present invention at least has the advantage that
On the one hand, the present invention is from the actual demand of existing network service operation, with OLT port
Payload, as the foundation selecting OLT port to carry out dormancy, can reduce business migration
Quantity, particularly can at utmost reduce and enliven ONU and interrupt regular traffic and carry out business and move
The quantity moved.
On the other hand, the present invention, in business migration processes, considers simultaneously and is in park mode
The concrete processing mode of ONU, carries out business migration by waking up dormancy ONU in advance up, reduces
Its service recovery time, it is to avoid or reduce ONU spontaneous restart reach the standard grade, reduce to existing network business
Impact.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can
To be completed by hardware, it is also possible to instruct relevant hardware by program and complete, described journey
Sequence can be stored in a kind of readable storage medium storing program for executing, and storage medium mentioned above can be read-only depositing
Reservoir, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within the spirit of invention and principle, any modification, equivalent substitution and improvement etc. made, all should wrap
Within being contained in protection scope of the present invention.
Claims (12)
1. an energy-saving control method for OLT port, its feature in TWDM PON
It is, including:
Total traffic load situation according to optical line terminal OLT system judges whether can be from
OLT system select OLT port enter dormancy;
When judging to select OLT port to enter dormancy, add up each OLT port
Traffic load situation, selects the OLT port of traffic load minimum as the OLT needing dormancy
Port;
The optical network unit ONU hung under the OLT port minimum by this traffic load migrates to it
His OLT port, controls the minimum OLT port of this traffic load and enters park mode.
2. the method for claim 1, it is characterised in that described according to OLT system
Total traffic load situation judge whether can to select from OLT system OLT port to enter to stop
Dormancy includes:
If in OLT system all quantity summations enlivening ONU and dormancy ONU less than or
Equal to the maximum open ended ONU quantity of (N-1) × every OLT port, then can be from OLT
System select OLT port enter dormancy, otherwise, it is impossible to select OLT from OLT system
Port enters dormancy, and wherein, in OLT system, OLT port number is N.
3. method as claimed in claim 1 or 2, it is characterised in that described statistics is each
The traffic load situation of OLT port, selects the OLT port of traffic load minimum as needs
The OLT port of dormancy includes:
Add up under each OLT port hang enliven ONU quantity and dormancy ONU quantity;
Select the lower OLT port enlivening ONU minimum number hung as the OLT needing dormancy
Port;
If there is hang under at least two OLT port to enliven ONU quantity identical and be
Little value, therefrom selects the OLT port of dormancy ONU minimum number as the OLT needing dormancy
Port;
If there is hang under at least two OLT port to enliven ONU quantity identical and be
Little value, identical with the dormancy ONU quantity hung at present and be minima, by OLT port
Wavelength channel numbering therefrom select with the OLT port of dormancy, or therefrom can randomly choose
Can be with the OLT port of dormancy.
4. method as claimed in claim 1 or 2, it is characterised in that described this business is born
The ONU hung under the OLT port that lotus is minimum migrates to other OLT ports, controls this business
The OLT port entrance park mode that load is minimum, including:
The ONU that enlivens hung under the OLT port minimum by this traffic load migrates to other OLT
Port, if the OLT port of this traffic load minimum hangs with down dormancy ONU, by dormancy ONU
Wake up up and migrate to other OLT ports, controlling the minimum OLT port of this traffic load and enter
Park mode;
Or, the ONU that enlivens hung under the OLT port minimum by this traffic load migrates to it
His OLT port, if the minimum OLT port of this traffic load hangs with down dormancy ONU,
Opening timing device, wakes up up dormancy ONU and migrates to other OLT ports, if intervalometer
After time-out, still there is ONU not respond or be not fully complete business migration work, control this business and bear
The OLT port entrance park mode that lotus is minimum.
5. method as claimed in claim 1 or 2, it is characterised in that according to the cycle arranged
Periodically judge whether to select OLT port to enter dormancy from OLT system.
6. method as claimed in claim 1 or 2, it is characterised in that also include: check
Whether the energy-conservation park mode of OLT port of OLT system enables and opens, if opening, then carries out
The Energy Saving Control of OLT port.
7. an energy-saving control device for OLT port, its feature in TWDM PON
It is, including:
Dormancy judge module, for the total traffic load feelings according to optical line terminal OLT system
Condition judges whether to select OLT port to enter dormancy from OLT system;
Port selects module, is used for when judging to select OLT port to enter dormancy,
Add up the traffic load situation of each OLT port, select the OLT port that traffic load is minimum
As the OLT port needing dormancy;
Dormancy processing module, the light net hung under the OLT port that this traffic load is minimum
Network unit ONU migrates to other OLT ports, controls the OLT end that this traffic load is minimum
Mouth enters park mode.
8. device as claimed in claim 7, it is characterised in that described dormancy judge module has
Body is used for:
If in OLT system all quantity summations enlivening ONU and dormancy ONU less than or
Equal to the maximum open ended ONU quantity of (N-1) × every OLT port, then can be from OLT
System select OLT port enter dormancy, otherwise, it is impossible to select OLT from OLT system
Port enters dormancy, and wherein, in OLT system, OLT port number is N.
9. device as claimed in claim 7 or 8, it is characterised in that described port selects mould
Block specifically for:
Add up under each OLT port hang enliven ONU quantity and dormancy ONU quantity;
Select the lower OLT port enlivening ONU minimum number hung as the OLT needing dormancy
Port;
If there is hang under at least two OLT port to enliven ONU quantity identical and be
Little value, therefrom selects the OLT port of dormancy ONU minimum number as the OLT needing dormancy
Port;
If there is hang under at least two OLT port to enliven ONU quantity identical and be
Little value, identical with the dormancy ONU quantity hung at present and be minima, by OLT port
Wavelength channel numbering therefrom select with the OLT port of dormancy, or therefrom can randomly choose
Can be with the OLT port of dormancy.
10. device as claimed in claim 7 or 8, it is characterised in that described dormancy processes
Module specifically for:
The ONU that enlivens hung under the OLT port minimum by this traffic load migrates to other OLT
Port, if the OLT port of this traffic load minimum hangs with down dormancy ONU, by dormancy ONU
Wake up up and migrate to other OLT ports, controlling the minimum OLT port of this traffic load and enter
Park mode;
Or, the ONU that enlivens hung under the OLT port minimum by this traffic load migrates to it
His OLT port, if the minimum OLT port of this traffic load hangs with down dormancy ONU,
Opening timing device, wakes up up dormancy ONU and migrates to other OLT ports, if intervalometer
After time-out, still there is ONU not respond or be not fully complete business migration work, control this business and bear
The OLT port entrance park mode that lotus is minimum.
11. devices as claimed in claim 7 or 8, it is characterised in that dormancy judge module
Specifically for periodically judging whether to select OLT from OLT system according to the cycle arranged
Port enters dormancy.
12. devices as claimed in claim 7 or 8, it is characterised in that also include: enable
Whether module, open for checking that the energy-conservation park mode of OLT port of OLT system enables,
If opening, then carry out the Energy Saving Control of OLT port.
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