CN101834758A - Logical port energy-saving realization method and device and system thereof - Google Patents

Logical port energy-saving realization method and device and system thereof Download PDF

Info

Publication number
CN101834758A
CN101834758A CN201010144662A CN201010144662A CN101834758A CN 101834758 A CN101834758 A CN 101834758A CN 201010144662 A CN201010144662 A CN 201010144662A CN 201010144662 A CN201010144662 A CN 201010144662A CN 101834758 A CN101834758 A CN 101834758A
Authority
CN
China
Prior art keywords
flow
logic port
link
port
dormancy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201010144662A
Other languages
Chinese (zh)
Inventor
范灵强
王重阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201010144662A priority Critical patent/CN101834758A/en
Publication of CN101834758A publication Critical patent/CN101834758A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The embodiment of the invention discloses a logical port energy-saving realization method, which comprises the following steps: flows which go through the logical port are monitored; if N consecutive flows that go through a logical port in a first preset duration are all lower than a flow lower limit corresponding to the current bandwidth grade, the bandwidth grade of the logical port is reduced by negotiating with a peer end, N is an integer greater than or equal to 1, and the bandwidth grades and the flow lower limits are in one-to-one correspondence; according to the reduced bandwidth grade, the number of active links, the active links and resting links are determined by negotiating with the peer end, and more active links are preset to a higher bandwidth grade correspondingly; all flows that go through the logical port are adjusted to the determined active links; the energy consumption of a device at which the resting links are located is reduced; and the active links are the links with flows in the logical port, and the resting links are the links without flows in the logical port. The embodiment of the invention also provides a device and a system correspondingly, which can enhance the energy utilization rate of the device at which the logical port is located.

Description

Logical port energy-saving implementation method and equipment thereof and system
Technical field
The present invention relates to communication technical field, be specifically related to a kind of logical port energy-saving implementation method and equipment and system.
Background technology
Trunking (Trunk) is a plurality of physical ports to be condensed together form 1 logic port, to realize load sharing in each physical port, also provides higher connection reliability simultaneously.Particularly, trunking is the setting by configuration software, thereby 2 or a plurality of physical port are combined the path that becomes a logic be increased in bandwidth between switch and the network node, the bandwidth that will belong to these several ports merges, and provides a high bandwidth logic port times over separate port to port.By two equipment that Trunk connects, user data is by packet-by-packet or by the mode of stream sharing on every the link that adds Trunk.
Trunk is a kind of encapsulation technology, is the link of a point-to-point, and the two ends of link can all be switches, also can be switch and router, can also be main frame and switch or router.Based on the Trunk function, allowing between switch and switch, switch and router, main frame and switch or the router walks abreast to be connected by two or more ports transmits simultaneously so that more high bandwidth, bigger throughput to be provided, thereby increases substantially whole network capabilities.
In research and practice process to prior art, the present inventor finds, in actual use, flow between communication equipment can not be in the peak state always, in most of times, the actual flow of point-to-point transmission less than planning bandwidth half, and because all links of logic port are shared flow jointly, therefore, every link all is in the operating state of underload in most of times, causes the energy utilization rate of logic port place equipment lower.
Summary of the invention
The embodiment of the invention provides a kind of logical port energy-saving implementation method and equipment and system, can improve the energy utilization rate of logic port place equipment.
The embodiment of the invention provides a kind of logical port energy-saving implementation method, comprising:
Flow through logic port is monitored;
If N continuous flow through logic port in first scheduled duration all is lower than current bandwidth grade corresponding flow lower limit, then consult to reduce the bandwidth class of logic port with the opposite end, N is the integer more than or equal to 1;
Consult to determine active link number, active link and dormancy link according to bandwidth class after reducing and opposite end, active link is the link that has flow to pass through in the logic port, the dormancy link is the link that no flow passes through in the logic port, and high more bandwidth class presets corresponding many more active link numbers;
To all adjust on definite active link through the flow of logic port;
Turn down the energy consumption of definite dormancy link place equipment.
The embodiment of the invention provides a kind of logical port energy-saving to realize equipment, comprising:
The flow monitoring module is used for the flow through logic port is monitored;
Grade reduces module, is used for then consulting to reduce the bandwidth class of logic port with the opposite end if N continuous flow through logic port in first scheduled duration all is lower than current bandwidth grade corresponding flow lower limit, and N is the integer more than or equal to 1;
The link determination module, be used for consulting to determine active link number, active link and dormancy link according to bandwidth class and opposite end that grade reduces after module reduces, high more bandwidth class presets corresponding many more active link numbers, active link is the link that has flow to pass through in the logic port, and the dormancy link is the link that no flow passes through in the logic port;
The flow adjusting module is used for and will all adjusts to the active link that the link determination module is determined through the flow of logic port;
Energy consumption is turned down module, is used for turning down the energy consumption of the definite dormancy link place equipment of link determination module after the flow adjusting module is carried out associative operation.
The embodiment of the invention also provides a kind of logical port energy-saving to realize system, comprising:
First logical port energy-saving is realized equipment, is used for the flow through logic port is monitored; If N continuous flow through logic port in first scheduled duration all is lower than current bandwidth grade corresponding flow lower limit, then consult to reduce the bandwidth class of logic port with the second logical port energy-saving realization equipment, N is the integer more than or equal to 1; Consult to determine active link number, active link and dormancy link according to the bandwidth class after reducing and the second logical port energy-saving realization equipment, high more bandwidth class presets corresponding many more active link numbers, active link is the link that has flow to pass through in the logic port, and the dormancy link is the link that no flow passes through in the logic port; To all adjust on definite active link through the flow of logic port; Turn down the energy consumption of definite dormancy link place equipment;
Second logical port energy-saving is realized equipment, be used for consulting the bandwidth class of reduction logic port with the first logical port energy-saving realization equipment, consult to determine active link and dormancy link according to the bandwidth class after reducing and the first logical port energy-saving realization equipment, will all adjust on definite active link through the flow of logic port; Turn down the energy consumption of definite dormancy link place equipment.
Compared with prior art, the embodiment of the invention comprises following beneficial effect:
In the embodiment of the invention, for logic port is provided with plural bandwidth class, the active link number that high more bandwidth class correspondence is many more, when all being lower than under the current bandwidth grade corresponding flow, the individual flow that passes through logic port in first scheduled duration of N continuous prescribes a time limit, the bandwidth class that reduces logic port is to reduce the number of active link in the logic port, to all adjust on the active link through the flow of logic port, turn down the energy consumption of dormancy link place equipment, thereby reduced the energy consumption of logic port, improved the energy utilization rate of logic port place equipment.
Description of drawings
Fig. 1 is the schematic diagram of an embodiment of logical port energy-saving implementation method in the embodiment of the invention;
Fig. 2 is the schematic diagram of another embodiment of logical port energy-saving implementation method in the embodiment of the invention;
Fig. 3 is the schematic diagram of another embodiment of logical port energy-saving implementation method in the embodiment of the invention;
Fig. 4 is the schematic diagram that logical port energy-saving is realized an embodiment of equipment in the embodiment of the invention;
Fig. 5 is the schematic diagram that middle energy consumption embodiment illustrated in fig. 4 is turned down module;
Fig. 6 is the schematic diagram that middle grade embodiment illustrated in fig. 4 reduces module;
Fig. 7 is the schematic diagram that logical port energy-saving is realized an embodiment of system in the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of logical port energy-saving implementation method and equipment and system.Below be elaborated respectively.
The main thought of logical port energy-saving implementation method is in the embodiment of the invention: for logic port is provided with plural bandwidth class, high more bandwidth class presets corresponding many more active link (link that has flow to pass through in the logic port) numbers, when all being lower than under the current bandwidth grade corresponding flow, the individual flow that passes through logic port in first scheduled duration of N continuous prescribes a time limit, the bandwidth class that reduces logic port is to reduce the number of active link in the logic port, to all adjust on the active link of logic port through the flow of logic port, and turn down the energy consumption of link (dormancy link) the place equipment that does not have flow to pass through in the logic port, thereby improve the energy utilization rate of logic port place equipment.
See also Fig. 1, the logical port energy-saving implementation method embodiment comprises in the embodiment of the invention:
101, the flow through logic port is monitored;
The corresponding link of physical port, a logic port is converged by a plurality of physical ports and forms, therefore, the corresponding multilink of a logic port (Trunk).
In the embodiment of the invention, will abbreviate flow as through the flow of all links of logic port correspondence through logic port.
Can as router, the flow through logic port be monitored by the equipment of link one end.
With all links in the prior art share flow different be in the embodiment of the invention, when flow is low, only allow the part of links in all links of logic port correspondence share flow, and other link not to have flow to pass through.
102, all be lower than current bandwidth grade corresponding flow lower limit if monitor N continuous flow through logic port in first scheduled duration, then consult to reduce the bandwidth class of logic port with the opposite end, N is the integer more than or equal to 1;
Can be by router execution in step 102.The flow of each physical port of statistic logic port regularly, and addition, can obtain total flow through this logic port, with this statistic flow value and last time the statistic flow value subtract each other, it is exactly the flow of this logic port of process in this monitoring period, so, first scheduled duration is the moment poor of adjacent twice statistic flow.
The minimum value of first scheduled duration can determine that for example, if router can support minimum 1ms statistics once to pass through the logic port flow, so, the minimum value of first scheduled duration can be taken as 1ms according to the logic port statistics minimum particle size of router; The maximum of first scheduled duration is by the anti-burst flow ability of router, and promptly cache size decides.
All be not lower than current bandwidth grade corresponding flow lower limit if monitor N continuous flow through logic port in first scheduled duration, then router continues monitoring.Opposite end herein, i.e. the equipment of the link other end is as router or switch.
In the embodiment of the invention, for logic port is provided with plural bandwidth class, each bandwidth class all is provided with the flux lower limit of process logic port flow in first scheduled duration, and bandwidth class is high more, and the corresponding flow lower limit is high more; Simultaneously, different bandwidth class presets the number of different active links, and bandwidth class is high more, and the number of active link is many more.Can preset a mapping table, be used to preserve the corresponding relation of bandwidth class, flux lower limit and active link number.
Need to prove that herein the active link number can be a numerical value, also can that is to say, the scope that each bandwidth class can a corresponding active link number for a number range.
Bandwidth class with opposite end negotiation reduction logic port is specifically as follows: according to a N continuous bandwidth class of consulting the reduction logic port through the flow and the opposite end of logic port in first scheduled duration; Perhaps, consult the bandwidth class of logic port is reduced one-level with the opposite end, wherein, preceding a kind of mode can make the bandwidth class after reducing comparatively meet with flow through logic port.
Herein, can finish by sending the certain protocol message with the process of opposite end negotiation.For example, the local terminal router can send the certain protocol message to end-to-end router, after end-to-end router is received, returns a confirmation message to the local terminal router, and the two ends router is determined the bandwidth class of logic port is reduced one-level; Perhaps, the local terminal router can also be carried on the individual flow that passes through logic port in first scheduled duration of N continuous the certain protocol message and send to end-to-end router, and the two ends router is determined the bandwidth class of logic port according to this flow.
103, consult to determine active link number, active link and dormancy link that active link is the link that has flow to pass through in the logic port according to bandwidth class after the negotiation reduction and opposite end, the dormancy link is the link that no flow passes through in the logic port;
After reducing bandwidth class, can consult to determine its corresponding active link number that determine which is the dormancy link in the logic port, which is an active link according to bandwidth class after reducing and opposite end.
Herein, can finish by sending the certain protocol message with the process of opposite end negotiation.For example, the local terminal router can obtain corresponding active link number according to the bandwidth class after reducing, and determine active link and dormancy link according to local policy, again active link number, active link and dormancy link are carried on protocol massages, send to end-to-end router, and, end-to-end router is also determined active link number, active link and dormancy link after the same method, and with comparing of receiving, if consistent, then end-to-end router returns a confirmation message.
104, will all adjust on definite active link through the flow of logic port;
After step 103, execution in step 104 makes the dormancy link of determining in the step 103 not have flow to pass through.
Step 104 specifically can be by revising logic port the mode of physical port membership table realize, promptly in the physical port membership table of logic port, only show active link place physical port.
105, turn down the energy consumption of definite dormancy link place equipment.
When not having flow to pass through on the dormancy link of determining in step 103, the energy consumption of turning down these dormancy link place equipment is specifically as follows: under the port with these dormancy links to improve energy utilization rate; And/or, with the veneer frequency reducing at these dormancy link places; And/or, when all links of the veneer at these dormancy link places all do not have flow through out-of-date, with electricity or dormancy under this veneer.
After the energy consumption of turning down definite dormancy link place equipment, repeated execution of steps 102.
In the present embodiment, for logic port is provided with plural bandwidth class, the active link number that high more bandwidth class correspondence is many more, when all being lower than under the current bandwidth grade corresponding flow, the individual flow that passes through logic port in first scheduled duration of N continuous prescribes a time limit, the bandwidth class that reduces logic port is to reduce the number of active link in the logic port, to all adjust on the active link through the flow of logic port, turn down the energy consumption of dormancy link place equipment, thereby reduced the energy consumption of logic port, improved the energy utilization rate of logic port place equipment.
See also Fig. 2, another embodiment of logical port energy-saving implementation method comprises in the embodiment of the invention:
201, the flow through logic port is monitored;
Flow through logic port is monitored, constantly add up the flow of process logic port in each first scheduled duration.
In the present embodiment, realize step 102 in embodiment illustrated in fig. 1 by step 202 to step 206.
Need to prove herein, the specific implementation of the step 102 in embodiment illustrated in fig. 1 also can for: judge whether N continuous flow through logic port in first scheduled duration all is lower than current bandwidth grade corresponding flow lower limit; If all be lower than, then consult to reduce the bandwidth class of logic port with the opposite end.
For ease of understanding, illustrate above-mentioned two kinds of specific implementations (supposing that N is that 10, the first scheduled durations are 5 seconds) below.
Mode one: judging whether the flow through logic port is lower than current bandwidth grade corresponding flow lower limit in the 0th second to the 5th second these 5 seconds, if be lower than, then be that 0 stand-by period is designated as 5 seconds with initial value, otherwise the stand-by period is constant; If also be lower than current bandwidth grade corresponding flow lower limit to the 10th flow through logic port in these 5 seconds on the 5th second, then will be designated as 5+5 second the stand-by period, promptly 10 seconds, otherwise with the stand-by period zero clearing; If be lower than current bandwidth grade corresponding flow lower limit to the 15th flow through logic port in these 5 seconds on the 10th second, then will be designated as 10+5 second the stand-by period, promptly 15 seconds, otherwise with the stand-by period zero clearing ... circulation according to this, when the stand-by period reaches 50 seconds, the flow of determining continuous 10 process logic ports in 5 seconds all is lower than current bandwidth grade corresponding flow lower limit, with the bandwidth class of opposite end negotiation reduction logic port.
Mode two, picked up counting from 0 second, when time to 50 second, judge whether 0 second to 50 seconds 10 flows through logic port in 5 seconds all are lower than current bandwidth grade corresponding flow lower limit, if, then consult to reduce the bandwidth class of logic port with the opposite end, otherwise when time to 100 second, judge whether 50 seconds to 100 seconds 10 flows through logic port in 5 seconds all are lower than current bandwidth grade corresponding flow lower limit.
Mode one is to judge one by one whether the flow through logic port is lower than current bandwidth grade corresponding flow lower limit in first scheduled duration, and mode two is disposablely to judge whether N continuous flow through logic port in first scheduled duration all is lower than current bandwidth grade corresponding flow lower limit, mode one relative mode two, real-time is stronger.In the present embodiment, employing mode one.
202, judge whether the flow through logic port is lower than current bandwidth grade corresponding flow lower limit in first scheduled duration, if be lower than, then execution in step 203, otherwise execution in step 204;
203, with the scheduled wait duration and first scheduled duration and as new scheduled wait duration;
The scheduled wait duration is the stand-by period during aforesaid way one is given an example.Step 203 just adds first scheduled duration with the scheduled wait duration.
Before execution in step 201, earlier the scheduled wait duration is made as initial value, initial value can be any number.Initial value in the present embodiment is the initial value of scheduled wait duration, for example, and 0 during aforesaid way one is given an example.
204, the scheduled wait duration is made as initial value and obtains new scheduled wait duration;
205, judge whether the scheduled wait duration equals second scheduled duration, second scheduled duration equals initial value and N the first scheduled duration sum, if equal, then execution in step 206, otherwise execution in step 202;
When initial value was 0, second scheduled duration was N a times of first scheduled duration.
206, according to a N continuous bandwidth class of in first scheduled duration, consulting to reduce logic port through the flow and the opposite end of logic port;
According to a N continuous bandwidth class of in first scheduled duration, consulting to reduce logic port through the flow and the opposite end of logic port, be specifically as follows: obtain the individual mean value that in first scheduled duration, passes through the flow of logic port of N continuous, select the flux lower limit of the maximum littler, consult bandwidth class is reduced to the corresponding bandwidth class of selected flux lower limit with the opposite end than this mean value; Specifically also can for: obtain N continuous maximum through the flow of logic port in first scheduled duration, select the flux lower limit of the maximum littler, bandwidth class is reduced to the corresponding bandwidth class of selected flux lower limit with the opposite end negotiation than this maximum.
207, consult to determine active link number, active link and dormancy link according to bandwidth class after reducing and opposite end;
208, will all adjust on definite active link through the flow of logic port;
209, be made as initial value with electricity under the port of definite dormancy link, and with the scheduled wait duration, and execution in step 202.
Need to prove, behind electricity under the port of the dormancy link that will determine, further herein, can be with the veneer frequency reducing at these dormancy link places, perhaps, when all links of the veneer at these dormancy link places all do not have flow through out-of-date, with electricity or dormancy under this veneer.
In the present embodiment, for logic port is provided with plural bandwidth class, the active link number that high more bandwidth class correspondence is many more, when all being lower than under the current bandwidth grade corresponding flow, the individual flow that passes through logic port in first scheduled duration of N continuous prescribes a time limit, the bandwidth class that reduces logic port is to reduce the number of active link in the logic port, to all adjust on the active link through the flow of logic port, the port of definite dormancy link is electric down to reduce the energy consumption of dormancy link place equipment, thereby reduced the energy consumption of logic port, improved the energy utilization rate of logic port place equipment.
Because after reducing bandwidth class, flow through logic port may raise, so can the one flow upper limit be set for each bandwidth class, surpass on the current bandwidth grade corresponding flow in limited time monitoring through the flow of logic port, promote bandwidth class, then this situation is elaborated below.
See also Fig. 3, another embodiment of logical port energy-saving implementation method comprises in the embodiment of the invention:
301, the bandwidth class number of the initialization first scheduled duration t, the second scheduled duration T, logic port and every grade predetermined amount of flow bound, wherein, T=Nt;
N herein is same as the N in the step 102.
302, scheduled wait duration Δ T zero clearing, timer starts, and the reboot time of timer equals the first scheduled duration t at interval;
303, whether the timing of judging timer reaches the first scheduled duration t, if then execution in step 304, otherwise repeated execution of steps 303;
304, the flow of process logic port in the statistics first scheduled duration t;
305, judge whether the flow through logic port surpasses the current bandwidth grade corresponding flow upper limit in the first scheduled duration t, if do not surpass, then execution in step 306, otherwise execution in step 312;
306, judge whether the flow through logic port is lower than current bandwidth grade corresponding flow lower limit in the first scheduled duration t, if be lower than, then execution in step 307, otherwise execution in step 308;
307, with scheduled wait duration Δ T and first scheduled duration t's and as new scheduled wait duration Δ T;
308, scheduled wait duration Δ T zero clearing is obtained new scheduled wait duration Δ T;
309, judge whether scheduled wait duration Δ T equals the second scheduled duration T, if equal, then execution in step 310, otherwise execution in step 303;
310, obtain the individual mean value that in the first scheduled duration t, passes through the flow of logic port of N continuous, select the flux lower limit of the maximum littler than this mean value, consult bandwidth class is reduced to the corresponding bandwidth class of selected flux lower limit with the opposite end, and according to the bandwidth class after reducing and opposite end negotiation definite active link number, dormancy link and active link, and with scheduled wait duration Δ T zero clearing;
Suppose that N is 3, the individual flow that passes through logic port in the first scheduled duration t of N continuous is respectively: 85,90 and 95, in step 306, judge and all be lower than current bandwidth grade corresponding flow lower limit 110, then in step 310, obtain the mean value 90 of these continuous 3 flows, and the flux lower limit littler than this mean value has 70 and 80, so, selects the bandwidth class of flux lower limit 80 correspondences.
Under different application scenarioss, consult to determine that according to bandwidth class after reducing and opposite end active link number, dormancy link and active link can have different implementations.In the present embodiment, after reducing bandwidth class, terminal device is held consultation as the principle of active link with active link number big as far as possible principle and the preferred lower link of load of selecting.For example, the active link number range of the bandwidth class correspondence after supposing to reduce is 3 to 5, so, and after reducing bandwidth class, working as 5 lower links of preload in all links of local terminal and opposite end negotiation selection logic port is active link, and other link is the dormancy link.
311, will all adjust on the active link through the flow of logic port, the port of dormancy link is electric down, and trigger execution in step 303;
312, according to the bandwidth class of consulting to promote logic port through the flow and the opposite end of logic port in the first scheduled duration t, and consult the dormancy link that definite active link number and needs wake up, and with scheduled wait duration Δ T zero clearing according to bandwidth class after promoting and opposite end;
Under different application scenarioss, consult to determine that according to bandwidth class after promoting and opposite end the dormancy link that active link number and needs wake up can have different implementations.In the present embodiment, after promoting bandwidth class, terminal device select as far as possible with the big as far as possible principle of active link number, the dormancy link that need wake up and promote before active link be in the dormancy link of same equipment, if the active link place equipment before promoting does not have the dormancy link, then be chosen in the dormancy link that the dormancy link on the same equipment wakes up as needs as far as possible.
313, the port that will determine the dormancy link that need wake up powers on, will be to the dormancy link of determining to wake up through the traffic sharing of logic port, and trigger execution in step 303.
In the step 311, the concrete mode of turning down the energy consumption of definite dormancy link place equipment is that the port of dormancy link is following, so in step 313, the concrete mode of heightening the energy consumption of determining the dormancy link place equipment that need wake up powers on for the port of the dormancy link that will determine to wake up.
Be understandable that, in the step 311, the concrete mode of turning down the energy consumption of definite dormancy link place equipment is the veneer frequency reducing with dormancy link place, maybe all links on the veneer at the dormancy link place of determining all do not have flow through out-of-date, with under this veneer when electricity or dormancy, in step 313, the concrete mode of heightening the energy consumption of determining the dormancy link place equipment that need wake up is respectively the veneer raising frequency that will determine the dormancy link place that need wake up, and the veneer at the dormancy link place determining to wake up is entered normal operating conditions.
In the present embodiment, the flow of process logic port is above prescribing a time limit on the current bandwidth grade corresponding flow in monitoring first scheduled duration, the dormancy link place Board Power up that promotes bandwidth class and will determine to wake up, the flow that passes through logic port in monitoring N continuous first scheduled duration all is lower than under the current bandwidth grade corresponding flow prescribes a time limit, reduce bandwidth class and with point under the dormancy link place veneer of determining, thereby improved the energy utilization rate of logic port.
Below relevant device in the embodiment of the invention and system are elaborated.
See also Fig. 4, logical port energy-saving realizes that an embodiment of equipment comprises in the embodiment of the invention:
Flow monitoring module 401 is used for the flow through logic port is monitored;
Grade reduces module 402, is used for then consulting to reduce the bandwidth class of logic port with the opposite end if N continuous flow through logic port in first scheduled duration all is lower than current bandwidth grade corresponding flow lower limit, and N is the integer more than or equal to 1;
Link determination module 403, be used for consulting to determine active link number, active link and dormancy link according to bandwidth class and opposite end that grade reduces after module 402 reduces, high more bandwidth class presets corresponding many more active link numbers, active link is the link that has flow to pass through in the logic port, and the dormancy link is the link that no flow passes through in the logic port;
Flow adjusting module 404 is used for and will all adjusts to the active link that link determination module 403 is determined through the flow of logic port;
Energy consumption is turned down module 405, is used for after flow adjusting module 404 is carried out associative operations, turns down the energy consumption of the dormancy link place equipment that link determination module 403 determines.
See also Fig. 5, the energy consumption in embodiment illustrated in fig. 4 is turned down module 405 and can be comprised:
Following electric unit 415 is used for after flow adjusting module 404 is carried out associative operations, and the port of the dormancy link that link determination module 403 is determined down; With or,
Frequency reducing unit 425 is used for after flow adjusting module 404 is carried out associative operations, the veneer frequency reducing at the dormancy link place that link determination module 403 is determined.
See also Fig. 6, the grade in embodiment illustrated in fig. 4 reduces module 402 and specifically can comprise:
First judging unit 412, be used to judge whether the flow through logic port is lower than current bandwidth grade corresponding flow lower limit in first scheduled duration, if be lower than, then trigger added-time unit 422 and carry out associative operation, carry out associative operation otherwise trigger initialization unit 432;
Added-time unit 422, be used for the scheduled wait duration and first scheduled duration and as new scheduled wait duration, and trigger second judging unit 442 and carry out associative operations;
Initialization unit 432 is used for the scheduled wait duration is made as initial value, and triggers second judging unit 442 and carry out associative operation;
Second judging unit 442, be used to judge whether the scheduled wait duration equals second scheduled duration, second scheduled duration equals described initial value and N the first scheduled duration sum, if equal, then trigger and reduce unit 452 and initialization unit 432 execution associative operations, carry out associative operations otherwise trigger first judging unit 412;
Reduce unit 452, be used for consulting the bandwidth class of reduction logic port, and trigger link determination module 403 is carried out associative operations with the opposite end.
Perhaps, grade reduction module 402 specifically can comprise:
The 3rd judging unit, be used to judge whether the individual flow that passes through logic port in first scheduled duration of N continuous all is lower than current bandwidth grade corresponding flow lower limit, if all be lower than, then trigger to reduce the unit and carry out associative operation, judge whether N continuous flow of process logic port in first scheduled duration all is lower than current bandwidth grade corresponding flow lower limit otherwise repeat;
Reduce the unit, be used for consulting the bandwidth class of reduction logic port with the opposite end.
When grade reduced module 402 employings structure shown in Figure 6, the logical port energy-saving in the present embodiment realized that equipment can also comprise:
Wake module was used for before first judging unit is carried out associative operation, judged whether the flow through logic port surpasses the current bandwidth grade corresponding flow upper limit in first scheduled duration; If surpass, then according to the bandwidth class of consulting to promote logic port through the flow and the opposite end of logic port in first scheduled duration, and consult the dormancy link that definite active link number and needs wake up according to bandwidth class after promoting and opposite end, heighten the energy consumption of definite dormancy link place equipment that need wake up, will be to the dormancy link of determining to wake up through the traffic sharing of logic port, and the scheduled wait duration is made as initial value; If be no more than, then trigger the described step that whether is lower than current bandwidth grade corresponding flow lower limit in first scheduled duration through the flow of logic port of judging.
In the present embodiment, for logic port is provided with plural bandwidth class, the active link number that high more bandwidth class correspondence is many more, when all being lower than under the current bandwidth grade corresponding flow, the individual flow that passes through logic port in first scheduled duration of N continuous prescribes a time limit, the bandwidth class that reduces logic port is to reduce the number of active link in the logic port, to all adjust on the active link through the flow of logic port, turn down the energy consumption of dormancy link place equipment, thereby reduced the energy consumption of logic port, improved the energy utilization rate of logic port place equipment.
See also Fig. 7, logical port energy-saving realizes that an embodiment of system comprises in the embodiment of the invention:
First logical port energy-saving is realized equipment 701, is used for the flow through logic port is monitored; If N continuous flow through logic port in first scheduled duration all is lower than current bandwidth grade corresponding flow lower limit, then realize that with second logical port energy-saving equipment 702 consults to reduce the bandwidth class of logic ports, N is the integer more than or equal to 1; Realize equipment 702 negotiations definite active link number, active link and dormancy link according to the bandwidth class after reducing and second logical port energy-saving, high more bandwidth class presets corresponding many more active link numbers, active link is the link that has flow to pass through in the logic port, and the dormancy link is the link that no flow passes through in the logic port; To all adjust on definite active link through the flow of logic port; Turn down the energy consumption of definite dormancy link place equipment;
Second logical port energy-saving is realized equipment 702, be used for realizing the bandwidth class of equipment 701 negotiations reduction logic port with first logical port energy-saving, realize definite active link of equipment 701 negotiations and dormancy link according to the bandwidth class after reducing and first logical port energy-saving, will all adjust on definite active link through the flow of logic port; Turn down the energy consumption of definite dormancy link place equipment.
In the present embodiment, for logic port is provided with plural bandwidth class, the active link number that high more bandwidth class correspondence is many more, when all being lower than under the current bandwidth grade corresponding flow, the individual flow that passes through logic port in first scheduled duration of N continuous prescribes a time limit, the bandwidth class that reduces logic port is to reduce the number of active link in the logic port, to all adjust on the active link through the flow of logic port, turn down the energy consumption of dormancy link place equipment, thereby reduced the energy consumption of logic port, improved the energy utilization rate of logic port place equipment.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of the foregoing description is to instruct relevant hardware to finish by program, this program can be stored in the computer-readable recording medium, storage medium can comprise: read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or CD etc.
More than logical port energy-saving implementation method that the embodiment of the invention provided and equipment thereof and system are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (13)

1. a logical port energy-saving implementation method is characterized in that, comprising:
Flow through logic port is monitored;
If N continuous flow through logic port in first scheduled duration all is lower than current bandwidth grade corresponding flow lower limit, then consult to reduce the bandwidth class of logic port with the opposite end, N is the integer more than or equal to 1;
Consult to determine active link number, active link and dormancy link according to bandwidth class after reducing and opposite end, active link is the link that has flow to pass through in the logic port, the dormancy link is the link that no flow passes through in the logic port, and high more bandwidth class presets corresponding many more active link numbers;
To all adjust on definite active link through the flow of logic port;
Turn down the energy consumption of definite dormancy link place equipment.
2. according to the described method of claim 1, it is characterized in that the described energy consumption of turning down definite dormancy link place equipment specifically comprises:
Under the port with definite dormancy link; With or
Veneer frequency reducing with definite dormancy link place; With or,
All links on the veneer at the dormancy link place of determining all do not have flow through out-of-date, with electricity or dormancy under this veneer.
3. according to the described method of claim 1, it is characterized in that, if the described N continuous flow through logic port in first scheduled duration all is lower than current bandwidth grade corresponding flow lower limit, then consults to reduce the bandwidth class of logic port with the opposite end, specifically comprises:
Judge whether the flow through logic port is lower than current bandwidth grade corresponding flow lower limit in first scheduled duration;
If be lower than, then with the scheduled wait duration and first scheduled duration and as new scheduled wait duration, otherwise the scheduled wait duration is made as initial value;
Judge whether the scheduled wait duration equals second scheduled duration, second scheduled duration equals described initial value and N the first scheduled duration sum;
If equal, then consult to reduce the bandwidth class of logic port, and the scheduled wait duration is made as initial value with the opposite end, judge whether the flow through logic port is lower than current bandwidth grade corresponding flow lower limit in first scheduled duration otherwise repeat.
4. according to the described method of claim 1, it is characterized in that, if the described N continuous flow through logic port in first scheduled duration all is lower than current bandwidth grade corresponding flow lower limit, then consults to reduce the bandwidth class of logic port with the opposite end, specifically comprises:
Judge whether the individual flow that passes through logic port in first scheduled duration of N continuous all is lower than current bandwidth grade corresponding flow lower limit;
If all be lower than, then consult to reduce the bandwidth class of logic port with the opposite end.
5. according to the described method of claim 3, it is characterized in that whether the flow through logic port in judging first scheduled duration is lower than before the current bandwidth grade corresponding flow lower limit, also comprises:
Judge whether the flow through logic port surpasses the current bandwidth grade corresponding flow upper limit in first scheduled duration;
If surpass, then according to the bandwidth class of consulting to promote logic port through the flow and the opposite end of logic port in first scheduled duration, and consult the dormancy link that definite active link number and needs wake up according to bandwidth class after promoting and opposite end, heighten the energy consumption of definite dormancy link place equipment that need wake up, will be to the dormancy link of determining to wake up through the traffic sharing of logic port, and the scheduled wait duration is made as initial value;
If be no more than, then trigger the described step that whether is lower than current bandwidth grade corresponding flow lower limit in first scheduled duration through the flow of logic port of judging.
6. according to the described method of claim 1, it is characterized in that the bandwidth class of logic port is consulted to reduce in described and opposite end, is specially:
According to a described N continuous bandwidth class of in first scheduled duration, consulting to reduce logic port through the flow and the opposite end of logic port; Or,
Consult the bandwidth class of logic port is reduced one-level with the opposite end.
7. according to the described method of claim 6, it is characterized in that, described according to a described N continuous bandwidth class of in first scheduled duration, consulting to reduce logic port through the flow and the opposite end of logic port, be specially:
Obtain the individual mean value that in first scheduled duration, passes through the flow of logic port of described N continuous, select the flux lower limit of the maximum littler, consult bandwidth class is reduced to the corresponding bandwidth class of selected flux lower limit with the opposite end than this mean value; Or,
Obtain a described N continuous maximum of in first scheduled duration, passing through the flow of logic port, select the flux lower limit of the maximum littler, consult bandwidth class is reduced to the corresponding bandwidth class of selected flux lower limit with the opposite end than this maximum.
8. a logical port energy-saving is realized equipment, it is characterized in that, comprising:
The flow monitoring module is used for the flow through logic port is monitored;
Grade reduces module, is used for then consulting to reduce the bandwidth class of logic port with the opposite end if N continuous flow through logic port in first scheduled duration all is lower than current bandwidth grade corresponding flow lower limit, and N is the integer more than or equal to 1;
The link determination module, be used for consulting to determine active link number, active link and dormancy link according to bandwidth class and opposite end that grade reduces after module reduces, high more bandwidth class presets corresponding many more active link numbers, active link is the link that has flow to pass through in the logic port, and the dormancy link is the link that no flow passes through in the logic port;
The flow adjusting module is used for and will all adjusts to the active link that the link determination module is determined through the flow of logic port;
Energy consumption is turned down module, is used for turning down the energy consumption of the definite dormancy link place equipment of link determination module after the flow adjusting module is carried out associative operation.
9. described according to Claim 8 equipment is characterized in that energy consumption is turned down module and comprised:
Following electric unit is used for after the flow adjusting module is carried out associative operation, and the port of the dormancy link that the link determination module is definite down;
The frequency reducing unit is used for after the flow adjusting module is carried out associative operation, the veneer frequency reducing at the dormancy link place that the link determination module is definite.
10. described according to Claim 8 equipment is characterized in that, grade reduces module and comprises:
First judging unit is used to judge whether the flow through logic port is lower than current bandwidth grade corresponding flow lower limit in first scheduled duration, if be lower than, then trigger the added-time unit and carries out associative operation, carries out associative operation otherwise trigger initialization unit;
The added-time unit, be used for the scheduled wait duration and first scheduled duration and as new scheduled wait duration, and trigger second judging unit and carry out associative operation;
Initialization unit is used for the scheduled wait duration is made as initial value, and triggers second judging unit and carry out associative operation;
Second judging unit, be used to judge whether the scheduled wait duration equals second scheduled duration, second scheduled duration equals described initial value and N the first scheduled duration sum, if equal, then trigger and reduce unit and initialization unit execution associative operation, carry out associative operation otherwise trigger first judging unit;
Reduce the unit, be used for consulting the bandwidth class of reduction logic port with the opposite end.
11. described according to Claim 8 equipment is characterized in that, described equipment also comprises:
Wake module was used for before first judging unit is carried out associative operation, judged whether the flow through logic port surpasses the current bandwidth grade corresponding flow upper limit in first scheduled duration; If surpass, then according to the bandwidth class of consulting to promote logic port through the flow and the opposite end of logic port in first scheduled duration, and consult the dormancy link that definite active link number and needs wake up according to bandwidth class after promoting and opposite end, heighten the energy consumption of definite dormancy link place equipment that need wake up, will be to the dormancy link of determining to wake up through the traffic sharing of logic port, and the scheduled wait duration is made as initial value; If be no more than, then trigger the described step that whether is lower than current bandwidth grade corresponding flow lower limit in first scheduled duration through the flow of logic port of judging.
12. described according to Claim 8 equipment is characterized in that, grade reduces module and comprises:
The 3rd judging unit, be used to judge whether the individual flow that passes through logic port in first scheduled duration of N continuous all is lower than current bandwidth grade corresponding flow lower limit, if all be lower than, then trigger to reduce the unit and carry out associative operation, judge whether N continuous flow of process logic port in first scheduled duration all is lower than current bandwidth grade corresponding flow lower limit otherwise repeat;
Reduce the unit, be used for consulting the bandwidth class of reduction logic port with the opposite end.
13. a logical port energy-saving is realized system, it is characterized in that, comprising:
First logical port energy-saving is realized equipment, is used for the flow through logic port is monitored; If N continuous flow through logic port in first scheduled duration all is lower than current bandwidth grade corresponding flow lower limit, then consult to reduce the bandwidth class of logic port with the second logical port energy-saving realization equipment, N is the integer more than or equal to 1; Consult to determine active link number, active link and dormancy link according to the bandwidth class after reducing and the second logical port energy-saving realization equipment, high more bandwidth class presets corresponding many more active link numbers, active link is the link that has flow to pass through in the logic port, and the dormancy link is the link that no flow passes through in the logic port; To all adjust on definite active link through the flow of logic port; Turn down the energy consumption of definite dormancy link place equipment;
Second logical port energy-saving is realized equipment, be used for consulting the bandwidth class of reduction logic port with the first logical port energy-saving realization equipment, consult to determine active link and dormancy link according to the bandwidth class after reducing and the first logical port energy-saving realization equipment, will all adjust on definite active link through the flow of logic port; Turn down the energy consumption of definite dormancy link place equipment.
CN201010144662A 2010-04-09 2010-04-09 Logical port energy-saving realization method and device and system thereof Pending CN101834758A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010144662A CN101834758A (en) 2010-04-09 2010-04-09 Logical port energy-saving realization method and device and system thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010144662A CN101834758A (en) 2010-04-09 2010-04-09 Logical port energy-saving realization method and device and system thereof

Publications (1)

Publication Number Publication Date
CN101834758A true CN101834758A (en) 2010-09-15

Family

ID=42718694

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010144662A Pending CN101834758A (en) 2010-04-09 2010-04-09 Logical port energy-saving realization method and device and system thereof

Country Status (1)

Country Link
CN (1) CN101834758A (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102130772A (en) * 2011-03-23 2011-07-20 华为技术有限公司 Energy-saving method of service single board, main control board, service single board and access equipment
CN102257849A (en) * 2011-06-08 2011-11-23 华为技术有限公司 Method, system and apparatus for dynamically adjusting link
CN102263666A (en) * 2011-08-22 2011-11-30 中兴通讯股份有限公司 Service-license-based service scheduling method, device and system
WO2012100687A1 (en) * 2011-01-27 2012-08-02 中兴通讯股份有限公司 Xdigital subscriber line office equipment and energy-saving method thereof
CN102916899A (en) * 2012-09-28 2013-02-06 华为技术有限公司 Energy-saving method and energy-saving device under Trunk networking
CN103002494A (en) * 2012-12-25 2013-03-27 上海寰创通信科技股份有限公司 Device and method for energy-saving control of household long term evolution (LET) router
CN103051466A (en) * 2011-10-12 2013-04-17 中兴通讯股份有限公司 Method and device for automatically recovering IMA device failure
CN103051651A (en) * 2011-10-17 2013-04-17 中兴通讯股份有限公司 Minimum activate link number processing method and device
CN103401793A (en) * 2013-07-12 2013-11-20 华为技术有限公司 Method and device for adjusting facility bandwidths
WO2014040554A1 (en) * 2012-09-14 2014-03-20 华为技术有限公司 Method and apparatus for determining energy-efficient routing
CN103701711A (en) * 2013-11-29 2014-04-02 华为技术有限公司 Method and device for adjusting links
CN105007225A (en) * 2015-07-31 2015-10-28 东北大学 Network dynamic topology control system and method thereof
CN106100900A (en) * 2016-08-02 2016-11-09 浪潮集团有限公司 A kind of monitoring method of SDN middle port state
CN107302501A (en) * 2017-06-15 2017-10-27 郑州云海信息技术有限公司 A kind of method and its device for adjusting network port polymerization
CN109088822A (en) * 2018-09-21 2018-12-25 平安科技(深圳)有限公司 Data traffic retransmission method, device, system, computer equipment and storage medium
CN109120480A (en) * 2018-09-25 2019-01-01 锐捷网络股份有限公司 Link optimizing method and device based on data center

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101516141A (en) * 2008-12-05 2009-08-26 中国移动通信集团广东有限公司 Method and system for communication between mobile terminal and Internet
US7606178B2 (en) * 2005-05-31 2009-10-20 Cisco Technology, Inc. Multiple wireless spanning tree protocol for use in a wireless mesh network
CN101562562A (en) * 2007-07-23 2009-10-21 米特尔网络公司 Network traffic management

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7606178B2 (en) * 2005-05-31 2009-10-20 Cisco Technology, Inc. Multiple wireless spanning tree protocol for use in a wireless mesh network
CN101562562A (en) * 2007-07-23 2009-10-21 米特尔网络公司 Network traffic management
CN101516141A (en) * 2008-12-05 2009-08-26 中国移动通信集团广东有限公司 Method and system for communication between mobile terminal and Internet

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012100687A1 (en) * 2011-01-27 2012-08-02 中兴通讯股份有限公司 Xdigital subscriber line office equipment and energy-saving method thereof
CN102130772A (en) * 2011-03-23 2011-07-20 华为技术有限公司 Energy-saving method of service single board, main control board, service single board and access equipment
CN102257849A (en) * 2011-06-08 2011-11-23 华为技术有限公司 Method, system and apparatus for dynamically adjusting link
WO2011147381A2 (en) * 2011-06-08 2011-12-01 华为技术有限公司 Method, system and apparatus for dynamically adjusting link
WO2011147381A3 (en) * 2011-06-08 2012-05-10 华为技术有限公司 Method, system and apparatus for dynamically adjusting link
US9455821B2 (en) 2011-06-08 2016-09-27 Huawei Technologies Co., Ltd. Method, system, and apparatus for dynamically adjusting link
CN102257849B (en) * 2011-06-08 2014-06-04 华为技术有限公司 Method, system and apparatus for dynamically adjusting link
CN102263666B (en) * 2011-08-22 2018-03-13 中兴通讯股份有限公司 Permit to carry out the method, apparatus and system of traffic scheduling based on service traffics
CN102263666A (en) * 2011-08-22 2011-11-30 中兴通讯股份有限公司 Service-license-based service scheduling method, device and system
WO2012155650A1 (en) * 2011-08-22 2012-11-22 中兴通讯股份有限公司 Service-flow-license-based service scheduling method, device and system
CN103051466B (en) * 2011-10-12 2018-06-08 南京中兴软件有限责任公司 Automatic recovery method and device after a kind of IMA equipment faults
CN103051466A (en) * 2011-10-12 2013-04-17 中兴通讯股份有限公司 Method and device for automatically recovering IMA device failure
CN103051651A (en) * 2011-10-17 2013-04-17 中兴通讯股份有限公司 Minimum activate link number processing method and device
CN103051651B (en) * 2011-10-17 2017-12-26 中兴通讯股份有限公司 Minimum activation number of links processing method and processing device
WO2014040554A1 (en) * 2012-09-14 2014-03-20 华为技术有限公司 Method and apparatus for determining energy-efficient routing
CN103685011B (en) * 2012-09-14 2017-03-15 华为技术有限公司 A kind of method and apparatus for determining energy-efficient routing
US9565102B2 (en) 2012-09-14 2017-02-07 Huawei Technologies Co., Ltd. Method and apparatus for determining energy efficient route
CN102916899A (en) * 2012-09-28 2013-02-06 华为技术有限公司 Energy-saving method and energy-saving device under Trunk networking
CN102916899B (en) * 2012-09-28 2016-08-03 华为技术有限公司 Power-economizing method under a kind of Trunk networking and device
CN103002494A (en) * 2012-12-25 2013-03-27 上海寰创通信科技股份有限公司 Device and method for energy-saving control of household long term evolution (LET) router
CN103002494B (en) * 2012-12-25 2018-09-25 上海寰创通信科技股份有限公司 A kind of energy-saving control device and method of household LTE router
CN103401793A (en) * 2013-07-12 2013-11-20 华为技术有限公司 Method and device for adjusting facility bandwidths
CN103401793B (en) * 2013-07-12 2017-06-20 华为技术有限公司 A kind of method, the device of adjustment equipment bandwidth
CN103701711A (en) * 2013-11-29 2014-04-02 华为技术有限公司 Method and device for adjusting links
CN105007225A (en) * 2015-07-31 2015-10-28 东北大学 Network dynamic topology control system and method thereof
CN106100900A (en) * 2016-08-02 2016-11-09 浪潮集团有限公司 A kind of monitoring method of SDN middle port state
CN107302501A (en) * 2017-06-15 2017-10-27 郑州云海信息技术有限公司 A kind of method and its device for adjusting network port polymerization
CN107302501B (en) * 2017-06-15 2021-06-25 郑州云海信息技术有限公司 Method and device for adjusting network port aggregation
CN109088822A (en) * 2018-09-21 2018-12-25 平安科技(深圳)有限公司 Data traffic retransmission method, device, system, computer equipment and storage medium
CN109120480A (en) * 2018-09-25 2019-01-01 锐捷网络股份有限公司 Link optimizing method and device based on data center
CN109120480B (en) * 2018-09-25 2021-04-20 锐捷网络股份有限公司 Link optimization method and device based on data center

Similar Documents

Publication Publication Date Title
CN101834758A (en) Logical port energy-saving realization method and device and system thereof
Chiasserini et al. Routing protocols to maximize battery efficiency
JP5591262B2 (en) Communication apparatus and communication method
US7139246B2 (en) Method and apparatus for adjusting a mobile communication inactivity timer
US8817650B2 (en) Method and apparatus for controlling intelligent antenna system
MX2007011169A (en) Method and system for conserving battery power of mesh points in a mesh network.
WO2012071827A1 (en) Method and system for controlling power consumption of base stations
CN108933671A (en) Power supply management method, equipment and system
CN101458556A (en) Dynamic control method and device for network card power consumption and connection mode
US20140075217A1 (en) Power Saving Network Controller
CN108353464A (en) Mesh network connectivity
Chalak et al. A cluster-head selection algorithm for wireless sensor networks
Wen et al. A resource allocation method for D2D and small cellular users in HetNet
Passos et al. Asynchronous radio duty cycling for green IoT: State of the art and future perspectives
CN102291791B (en) Self-adaptive router soft switching method for wireless sensor network
CN104411002A (en) Data transmission control method and terminal
Han et al. Joint wireless and optical power states scheduling for green multi-radio fiber-wireless access network
Mirza et al. Energy-efficient wakeup scheduling for maximizing lifetime of IEEE 802.15. 4 networks
Mahajan et al. Energy efficient control strategies in heterogeneous wireless sensor networks: A survey
CN208850084U (en) A kind of communication equipment
El-Feshawy et al. An efficient clustering design for cellular based machine-to-machine communications
Chang et al. Joint optimization of base station deep-sleep and DTX micro-sleep
CN116488729A (en) Antenna control method and device, storage medium and electronic device
CN111864876B (en) Power supply method of dual-mode communication unit, dual-mode communication unit and intelligent electric energy meter
CN104202340A (en) Security control system of intelligent server

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20100915