CN103813218A - Method and device for dynamically adjusting optical line terminal device working states - Google Patents
Method and device for dynamically adjusting optical line terminal device working states Download PDFInfo
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- CN103813218A CN103813218A CN201210459122.8A CN201210459122A CN103813218A CN 103813218 A CN103813218 A CN 103813218A CN 201210459122 A CN201210459122 A CN 201210459122A CN 103813218 A CN103813218 A CN 103813218A
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Abstract
An embodiment of the invention discloses a method and a device for dynamically adjusting optical line terminal device working states. The method for dynamically adjusting the optical line terminal device working states comprises collecting business flow of chips in an OLT (Optical Line Terminal) device through a data bus of the OLT device; calculating working loads of the chips in the OLT device according to the business flow of the chips in the OLT device; obtaining business performance requirements in a next time window of the chips in the OLT device according to the working loads of the OLT device; inquiring a preset power consumption strategy table and obtaining the working frequency or the working voltage which is corresponding to the business performance requirements at the next time window of the chips in the OLT device; sending control messages to the chips in the OLT device through a control bus of the OLT device to control the adjusting working efficiency or the working voltage of the chips. The method for dynamically adjusting the optical line terminal device working states can dynamically adjusting and controlling the working power consumption of the OLT device according to the business flow which flows through the OLT device, so that energy saving is benefited.
Description
Technical field
The present invention relates to the communication technology, especially a kind of method and apparatus of dynamically adjusting optical line terminal (Optical Line Terminal, OLT) equipment working state.
Background technology
Fiber to the home, and (Fiber To The Home, FTTH) network using EPON (Passive Optical Network, PON) system realizes.Because PON system is a point-to-multipoint (Point to Multi-Point, P2MP) system, in PON system, under an OLT equipment, hang optical network unit (the Optical Network Unit of multiple user's sides, ONU), affected by user's service condition, the service traffics fluctuation of the OLT equipment of flowing through is very large, after particularly evolving to bandwidth and being the PON system of 10G, the dynamic change amplitude of the service traffics of the OLT equipment of flowing through is larger.
But, realizing in process of the present invention, inventor finds, at present in OLT equipment, no matter whether the lower ONU equipment of hanging has and has several in running order, even if in running order ONU equipment is less or do not have ONU equipment in running order, OLT equipment all, with high power consumption state running, can not carry out dynamic regulation so that energy-conservation to power consumption according to the service traffics of this OLT equipment of flowing through.Therefore, in the time that the service traffics of this OLT equipment of flowing through are lower, have the problem of energy consumption waste, particularly, along with the development of 10G PON equipment, this problem can be more and more serious.
Summary of the invention
An embodiment of the present invention technical problem to be solved is: a kind of method and apparatus of dynamic adjustment optical line terminal equipment operating state is provided, according to the service traffics of this OLT equipment of flowing through, the work power consumption of this OLT equipment is carried out to dynamic regulation so that energy-conservation.
According to the embodiment of the present invention aspect, the method for a kind of dynamic adjustment optical line terminal equipment operating state providing, comprising:
The service traffics of each chip from the data/address bus collection OLT equipment of optical line terminal OLT equipment;
Calculate the operating load amount of each chip in described OLT equipment according to the service traffics of each chip in OLT equipment;
Obtain in described OLT equipment each chip in the service feature demand of next time window according to the operating load amount of each chip in described OLT equipment;
The power consumption adjustment Policy Table that inquiry sets in advance, obtain in described OLT equipment each chip in operating frequency corresponding to the service feature demand of next time window or operating voltage, described power consumption is adjusted the corresponding relation between service feature demand and operating frequency or the operating voltage that Policy Table comprises each chip;
Control bus by OLT equipment transmits control message to each chip in OLT equipment respectively, adjusts operating frequency or operating voltage to control each chip.
In a specific embodiment of the present invention, the described data/address bus from OLT equipment gathers the service traffics of each chip OLT equipment, specifically gathers the service traffics of each chip OLT equipment according to predetermined period or the real-time data/address bus from OLT equipment.
In a specific embodiment of the present invention, obtain each chip in described OLT equipment according to the operating load amount of each chip in described OLT equipment and comprise in the service feature demand of next time window:
According to the flow upper limit that in the service traffics of each chip in OLT equipment and OLT equipment, each chip is supported, calculate the current utilance of each chip in described OLT equipment respectively; Respectively according to the current utilance of each chip in described OLT equipment, prediction states that in OLT equipment, each chip is in the utilance of next time window, and chip is specially the utilance of this chip at next time window in the service feature demand of next time window.
In a specific embodiment of the present invention, described power consumption is adjusted Policy Table and is specifically comprised the corresponding relation between utilance and operating frequency or operating voltage;
The power consumption adjustment Policy Table that inquiry sets in advance, obtains each chip in described OLT equipment and comprises in operating frequency corresponding to the service feature demand of next time window or operating voltage:
For the each chip in described OLT equipment, whether the utilance at next time window of identification chip is arranged in power consumption adjustment Policy Table's predetermined threshold value interval respectively;
If chip is positioned at described predetermined threshold value interval in the utilance of next time window, described in not carrying out, obtain the operation of this chip in operating frequency corresponding to the utilance of next time window or operating voltage;
Otherwise, if chip is the lower limit lower than described predetermined threshold value interval in the utilance of next time window, the power consumption adjustment Policy Table that inquiry sets in advance, obtain the operating frequency lower than the interval corresponding operating frequency of described predetermined threshold value or a grade of operating voltage of this chip or operating voltage as operating frequency corresponding to the service feature demand of next time window or operating voltage, so that the operation transmitting control message to this chip by the control bus of OLT equipment, lowers a grade by the work at present frequency of this chip or operating voltage;
If chip is the upper limit higher than predetermined threshold value interval in the utilance of next time window, the power consumption adjustment Policy Table that inquiry sets in advance, obtain the operating frequency higher than the interval corresponding operating frequency of described predetermined threshold value or a grade of operating voltage of this chip or operating voltage as operating frequency corresponding to the service feature demand of next time window or operating voltage, so that the operation transmitting control message to this chip by the control bus of OLT equipment, to raise a grade by the work at present frequency of this chip or operating voltage.
In a specific embodiment of the present invention, in described OLT equipment, each chip comprises any one or more in control and managing chip, exchange chip, aggregator, EPON media interviews control PONMAC chip and second line of a couplet passive optical network PON mouth chip.
According to another aspect of the embodiment of the present invention, the device of a kind of dynamic adjustment optical line terminal equipment operating state providing, comprising:
Collecting unit, for the service traffics of the each chip of data/address bus collection OLT equipment from optical line terminal OLT equipment;
Computing unit, for the service traffics of the each chip of OLT equipment that collects according to collecting unit, calculates the operating load amount of each chip in described OLT equipment;
Acquiring unit, for the operating load amount of the each chip of described OLT equipment that calculates according to computing unit, obtains in described OLT equipment each chip in the service feature demand of next time window;
Power consumption is adjusted policy unit, for storing the power consumption adjustment Policy Table who sets in advance, and inquire about the power consumption adjustment Policy Table that this sets in advance, obtain in described OLT equipment each chip in operating frequency corresponding to the service feature demand of next time window or operating voltage, described power consumption is adjusted the corresponding relation between service feature and operating frequency or the operating voltage that Policy Table comprises each chip;
Power consumption is adjusted control unit, transmits control message to the each chip of OLT equipment for the control bus by OLT equipment respectively, adjusts operating frequency or operating voltage to control each chip.
In a specific embodiment of the present invention, described collecting unit specifically gathers the service traffics of each chip OLT equipment according to predetermined period or the real-time data/address bus from OLT equipment.
In a specific embodiment of the present invention, described collecting unit specifically gathers the service traffics of each chip in OLT equipment in the core signal interrupt line from described data/address bus or rambus.
In a specific embodiment of the present invention, described acquiring unit is concrete respectively according to the flow upper limit that in the service traffics of each chip in OLT equipment and OLT equipment, each chip is supported, calculates the current utilance of each chip in described OLT equipment; According to the current utilance of each chip in described OLT equipment, predict that in described OLT equipment, each chip is in the utilance of next time window respectively, chip is specially the utilance of this chip at next time window in the service feature demand of next time window.
In a specific embodiment of the present invention, described power consumption is adjusted Policy Table and is specifically comprised the corresponding relation between utilance and operating frequency or operating voltage;
It is concrete respectively for the each chip in described OLT equipment that described power consumption is adjusted policy unit, and whether the utilance at next time window of identification chip is arranged in power consumption adjustment Policy Table's predetermined threshold value interval;
If chip is positioned at described predetermined threshold value interval in the utilance of next time window, described in not carrying out, obtain the operation of this chip in operating frequency corresponding to the utilance of next time window or operating voltage;
Otherwise, if chip is the lower limit lower than described predetermined threshold value interval in the utilance of next time window, the power consumption adjustment Policy Table that inquiry sets in advance, obtain the operating frequency lower than the interval corresponding operating frequency of described predetermined threshold value or a grade of operating voltage of this chip or operating voltage as operating frequency corresponding to the service feature demand of next time window or operating voltage, and indicate power consumption adjust control unit carry out described in the operation that transmits control message to this chip by the control bus of OLT equipment, so that the work at present frequency of this chip or operating voltage are lowered to a grade,
If this chip is the upper limit higher than predetermined threshold value interval in the utilance of next time window, the power consumption adjustment Policy Table that inquiry sets in advance, obtain the operating frequency higher than the interval corresponding operating frequency of described predetermined threshold value or a grade of operating voltage of this chip or operating voltage as operating frequency corresponding to the service feature demand of next time window or operating voltage, and indicate power consumption adjust control unit carry out described in the operation that transmits control message to this chip by the control bus of OLT equipment, so that the work at present frequency of this chip or operating voltage are raised to a grade.
In a specific embodiment of the present invention, in described OLT equipment, each chip comprises any one or more in control and managing chip, exchange chip, aggregator, EPON media interviews control PONMAC chip and second line of a couplet passive optical network PON mouth chip.
According to another aspect of the embodiment of the present invention, a kind of optical line terminal equipment providing, comprise data/address bus and control bus, and be connected to control and the managing chip of described data/address bus and described control bus, exchange chip, aggregator, EPON media interviews control PONMAC chip and second line of a couplet passive optical network PON mouth chip, also comprise the device of the dynamic adjustment optical line terminal equipment operating state of the above-mentioned arbitrary embodiment of the present invention, the device of described dynamic adjustment optical line terminal equipment operating state is connected to described data/address bus and described control bus.
The method and apparatus of a kind of dynamic adjustment optical line terminal equipment operating state providing based on the above embodiment of the present invention, optical line terminal equipment, can gather from the data/address bus of OLT equipment the service traffics of each chip OLT equipment, calculate the operating load amount of each chip in OLT equipment according to service traffics, and predict in OLT equipment that each chip is in the service feature demand of next time window, then select each chip in the suitable operating frequency of the service feature demand of next time window or operating voltage according to the power consumption adjustment Policy Table who sets in advance, control each chip and be adjusted to operating frequency corresponding to this service feature demand or operating voltage, thereby can be according to the detection analysis of the service traffics to each chip in OLT equipment, automatically regulate the operating state of each chip in OLT equipment, realizing the dynamically adjustment in real time of the power consumption situation of each chip controls, in the situation that not affecting business and customer service experience, can effectively reduce the work power consumption of OLT equipment, save the use power consumption of OLT equipment, reach reduction energy consumption, realize the object of energy-saving and emission-reduction.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
The accompanying drawing that forms a part for specification has been described embodiments of the invention, and is used from explanation principle of the present invention together with describing one.
With reference to accompanying drawing, according to detailed description below, can more be expressly understood the present invention, wherein:
Fig. 1 is a schematic block diagram of prior art OLT equipment.
Fig. 2 is the indicative flowchart that the present invention dynamically adjusts an embodiment of method of OLT equipment working state.
Fig. 3 is the indicative flowchart that the present invention dynamically adjusts another embodiment of method of OLT equipment working state.
Fig. 4 is the structural representation that the present invention dynamically adjusts an embodiment of device of OLT equipment working state.
Fig. 5 is the structural representation that the present invention dynamically adjusts an embodiment of OLT equipment.
Embodiment
Describe various exemplary embodiment of the present invention in detail now with reference to accompanying drawing.It should be noted that: unless illustrate in addition, the parts of setting forth in these embodiments and positioned opposite, numeral expression formula and the numerical value of step do not limit the scope of the invention.
, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not to draw according to actual proportionate relationship meanwhile.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in suitable situation, described technology, method and apparatus should be regarded as a part for specification.
In all examples with discussing shown here, it is exemplary that any occurrence should be construed as merely, rather than as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: in similar label and letter accompanying drawing below, represent similar terms, therefore, once be defined in an a certain Xiang Yi accompanying drawing, in accompanying drawing subsequently, do not need it to be further discussed.
Fig. 1 is a schematic block diagram of prior art OLT equipment.According to Fig. 1, the component units of OLT equipment mainly comprises data/address bus and control bus, and be connected to control and managing chip, exchange chip, aggregator, PON media interviews control (Media Access Control, MAC) chip and the second line of a couplet PON mouth chip of data/address bus and control bus.Wherein, PON MAC chip has been mainly used in ethernet mac function and PON consultative management function, is the core of PON equipment.Second line of a couplet PON mouth chip comprises physical chip (PHY) and optical module, is mainly used in providing access function for subscriber equipment.Control with managing chip and can be expressed as control/managing chip, be mainly used in control and the management function of OLT equipment, reaching the runing of standard traffic, can manage, safety, performance and the function such as stable.Exchange chip has been mainly used in converging of data and function of exchange.Aggregator is mainly used in providing upstream data path, provides large upstream bandwidth by trunking function.
In the equipment of OLT shown in Fig. 1, as long as second line of a couplet PON mouth has configured an ONU, the second line of a couplet PON mouth chip of this OLT equipment just must normally be worked, even if in running order user is little, the service traffics of OLT equipment of flowing through are very low, OLT equipment still, with high power consumption state running, cannot, according to equipment working condition dynamic adjustments power consumption, have been wasted a large amount of energy.
In the embodiment of the present invention, can be by a dynamic device of adjusting OLT equipment working state, the state of pretending to OLT is dynamically adjusted, in the time that the demand of the service feature of service traffics to OLT equipment is lower, by reducing operating frequency or the operating voltage of OLT equipment chips, reach the object of reduction work power consumption, thereby effectively reduce the energy consumption of OLT equipment and extend its useful life.
Fig. 2 is the indicative flowchart that the present invention dynamically adjusts an embodiment of method of OLT equipment working state.As shown in Figure 2, the method that this embodiment dynamically adjusts OLT equipment working state comprises:
210, the service traffics of each chip from the data/address bus collection OLT equipment of OLT equipment.
Exemplarily, in various embodiments of the present invention, in OLT equipment, each chip specifically can include but not limited to any one or more in control and managing chip, exchange chip, aggregator, EPON media interviews control PON MAC chip and second line of a couplet passive optical network PON mouth chip.
Due in OLT equipment between each chip, and between the equipment that in OLT equipment, each chip and OLT are connected by aggregator, between the equipment that in OLT equipment, each chip and OLT are connected by second line of a couplet PON mouth chip, all realize exchange and the transmission of data message by the data/address bus of OLT apparatus back board, therefore, can collect the real time data flow by OLT equipment, that is: service traffics from this data/address bus.
220, according to the operating load amount of each chip in the service traffics calculating OLT equipment of each chip in OLT equipment.
230, obtain in OLT equipment each chip in the service feature demand of next time window according to the operating load amount of each chip in OLT equipment.
240, the power consumption adjustment Policy Table that sets in advance of inquiry, obtains in OLT equipment each chip in operating frequency corresponding to the service feature demand of next time window or operating voltage.
Power consumption is wherein adjusted the corresponding relation between service feature demand and operating frequency or the operating voltage that Policy Table comprises each chip in OLT equipment, can set in advance, and can adjust according to the actual requirements.As shown in table 1 below, be the concrete example of power consumption adjustment Policy Table in the embodiment of the present invention.
Table 1
250, control bus by OLT equipment transmits control message to each chip in OLT equipment respectively, the control message sending to each chip comprises that this chip is in operating frequency corresponding to the service feature demand of next time window or operating voltage, adjust operating frequency or operating voltage to control each chip, adjust thereby realize according to the Intelligent Dynamic power consumption of real time business flow.
The method of a kind of dynamic adjustment optical line terminal equipment operating state that the above embodiment of the present invention provides, can gather from the data/address bus of OLT equipment the service traffics of each chip OLT equipment, calculate the operating load amount of each chip in OLT equipment according to service traffics, and predict in OLT equipment that each chip is in the service feature demand of next time window, then select each chip in the suitable operating frequency of the service feature demand of next time window or operating voltage according to the power consumption adjustment Policy Table who sets in advance, control each chip and be adjusted to operating frequency corresponding to this service feature demand or operating voltage, thereby can be according to the detection analysis of the service traffics to each chip in OLT equipment, automatically regulate the operating state of each chip in OLT equipment, realizing the dynamically adjustment in real time of the power consumption situation of each chip controls, in the situation that not affecting business and customer service experience, can effectively reduce the work power consumption of OLT equipment, save the use power consumption of OLT equipment, reach reduction energy consumption, realize the object of energy-saving and emission-reduction.
According to the embodiment of the present invention concrete example and unrestricted, in operation 210, when the data/address bus of OLT equipment gathers the service traffics of each chip OLT equipment, specifically can, according to the service traffics of predetermined period each chip from the data/address bus collection OLT equipment of OLT equipment, also can gather in real time the service traffics of each chip OLT equipment from the data/address bus of OLT equipment.
Based on operation 230, can be according to the operating load amount of each chip in OLT equipment, in prediction OLT equipment, each chip is in the service feature demand of next time window.If each chip changes in the service feature demand of next time window in OLT equipment, by gather in real time the operation of the service traffics of each chip OLT equipment from the data/address bus of OLT equipment, can immediately adjust in the service feature demand of next time window each chip in OLT equipment, thereby can more reasonably join operating frequency or the operating voltage of each chip in OLT equipment, in the situation that effectively meeting in OLT equipment each chip business performance requirement, make the energy-saving effect of the embodiment of the present invention better.
According to another concrete example of the embodiment of the present invention and unrestricted, in operation 210, in core signal interrupt line that specifically can be from data/address bus or rambus, gather the service traffics of each chip in OLT equipment.For example, can be according to the service condition of core signal interrupt line or rambus, or volume of transmitted data wherein, obtain the service traffics of each chip in OLT equipment.
Fig. 3 is the indicative flowchart that the present invention dynamically adjusts another embodiment of method of OLT equipment working state.In this embodiment, the operating load amount of OLT equipment is specially the utilance of OLT equipment.As shown in Figure 3, the method that this embodiment dynamically adjusts OLT equipment working state comprises:
310, the service traffics of each chip from the data/address bus collection OLT equipment of OLT equipment.
320, according to the flow upper limit that in the OLT equipment of the service traffics of each chip in OLT equipment and record in advance, each chip is supported, calculate the current utilance of each chip in OLT equipment.
Afterwards, for each chip in OLT equipment, carry out follow-up 330～370 operation respectively.
330, respectively according to the current utilance of each chip in OLT equipment, in prediction OLT equipment, each chip is in the utilance of next time window.
In the present embodiment, chip is specially the utilance of this chip at next time window in the service feature demand of next time window, in addition, can be also other service feature demand.
In practical application, can predict that in OLT equipment, each chip is current utilance in the utilance of next time window, or the utilance interval being worth centered by current utilance.
340, the power consumption adjustment Policy Table that inquiry sets in advance, whether identification chip is arranged in power consumption adjustment Policy Table's predetermined threshold value interval in the utilance of next time window.If this chip is positioned at this predetermined threshold value interval in the utilance of next time window, do not carry out the follow-up flow process of the present embodiment, that is: do not carry out and obtain the operation of this chip in operating frequency corresponding to the utilance of next time window or operating voltage.Otherwise, if this chip in the utilance of next time window the lower limit lower than this predetermined threshold value interval, carry out 350 operation.If this chip is the upper limit higher than this predetermined threshold value interval in the utilance of next time window, carry out 360 operation.
Power consumption in this embodiment is adjusted Policy Table and is specifically comprised the corresponding relation between utilance and operating frequency or operating voltage.Chip is other the service feature demand beyond utilance in the service feature demand of next time window, and power consumption is adjusted Policy Table and is specially the corresponding relation between other service feature demand and operating frequency or the operating voltage beyond utilance.This power consumption is adjusted Policy Table and can be set in advance, and can adjust according to the actual requirements.As shown in table 2 below, be the concrete example of power consumption adjustment Policy Table in the embodiment of the present invention.
Table 2
350, the power consumption adjustment Policy Table that inquiry sets in advance, obtain the operating frequency lower than operating frequency corresponding to predetermined threshold value or a grade of operating voltage of this chip or operating voltage as operating frequency corresponding to the service feature demand of next time window or operating voltage, then carry out 370 operation, so that the work at present frequency of this chip or operating voltage are lowered to a grade.
360, the power consumption adjustment Policy Table that inquiry sets in advance, obtain the operating frequency higher than the interval corresponding operating frequency of this predetermined threshold value or a grade of operating voltage of this chip or operating voltage as operating frequency corresponding to the service feature demand of next time window or operating voltage, then carry out 370 operation, so that work at present frequency or operating voltage are raised to a grade.
370, control bus by OLT equipment transmits control message to the respective chip in OLT equipment, this control message comprises operating frequency or the operating voltage that respective chip need to be adjusted to, to control each chip so that a grade is lowered or raised to work at present frequency or operating voltage.
In the embodiment of the present invention, can be by a dynamic device of adjusting OLT equipment working state, operating state to OLT is dynamically adjusted, when service traffics to OLT equipment in the demand of service feature of each chip during lower than setting threshold, by reducing respective chip operating frequency in OLT equipment, reach the object of reduction work power consumption, thereby effectively reduce the energy consumption of PON OLT equipment and extend its useful life.
Fig. 4 is the structural representation that the present invention dynamically adjusts an embodiment of device of OLT equipment working state.The device that this embodiment dynamically adjusts OLT equipment working state can be used in the present invention the embodiment of the method for above-mentioned each dynamic adjustment OLT equipment working state.As shown in Figure 4, it comprises that collecting unit 410, computing unit 420, acquiring unit 430, power consumption are adjusted policy unit 440 and power consumption is adjusted control unit 450.Wherein:
Collecting unit 410, for the service traffics of the each chip of data/address bus collection OLT equipment from OLT equipment.
Exemplarily, in this OLT equipment, each chip specifically can include but not limited to any one or more in control and managing chip, exchange chip, aggregator, EPON media interviews control PON MAC chip and second line of a couplet passive optical network PON mouth chip.
Acquiring unit 430, for the operating load amount of the each chip of OLT equipment that calculates according to computing unit 420, obtains in OLT equipment each chip in the service feature demand of next time window.
Power consumption is adjusted policy unit 440, for storing the power consumption adjustment Policy Table who sets in advance, and inquire about the power consumption adjustment Policy Table that this sets in advance, obtain in OLT equipment each chip in operating frequency corresponding to the service feature demand of next time window or operating voltage, power consumption is wherein adjusted the corresponding relation between service feature demand and operating frequency or the operating voltage that Policy Table comprises each chip in OLT equipment.
Power consumption is adjusted control unit 450, transmits control message to the each chip of OLT equipment for the control bus by OLT equipment respectively, adjusts operating frequency or operating voltage to control each chip.
The device of the dynamic adjustment optical line terminal equipment operating state that the above embodiment of the present invention provides, can gather from the data/address bus of OLT equipment the service traffics of each chip OLT equipment, calculate the operating load amount of each chip in OLT equipment according to service traffics, and predict in OLT equipment that each chip is in the service feature demand of next time window, then select each chip in the suitable operating frequency of the service feature demand of next time window or operating voltage according to the power consumption adjustment Policy Table who sets in advance, control each chip and be adjusted to operating frequency corresponding to this service feature demand or operating voltage, thereby can be according to the detection analysis of the service traffics to each chip in OLT equipment, automatically regulate the operating state of each chip in OLT equipment, realizing the dynamically adjustment in real time of the power consumption situation of each chip controls, in the situation that not affecting business and customer service experience, can effectively reduce the work power consumption of OLT equipment, save the use power consumption of OLT equipment, reach reduction energy consumption, realize the object of energy-saving and emission-reduction.
According to the embodiment of the present invention concrete example, and unrestricted, collecting unit 410 specifically gathers the service traffics of each chip OLT equipment according to predetermined period or the real-time data/address bus from OLT equipment.
According to another concrete example of the embodiment of the present invention and unrestricted, collecting unit 410 specifically gathers the service traffics of each chip in OLT equipment in the core signal interrupt line from data/address bus or rambus.
Dynamically adjust in another embodiment of device of OLT equipment working state in the present invention, chip is specially the utilance of this chip at next time window in the service feature demand of next time window.Correspondingly, acquiring unit 430 is concrete respectively according to the flow upper limit that in the service traffics of each chip in OLT equipment and OLT equipment, each chip is supported, calculates the current utilance of each chip in OLT equipment; And respectively according to the current utilance of each chip in OLT equipment, in prediction LT equipment, each chip is in the utilance of next time window.
Dynamically adjust in the further embodiment of device of OLT equipment working state in the present invention, power consumption is adjusted Policy Table and is specifically comprised the corresponding relation between utilance and operating frequency or operating voltage.Correspondingly, power consumption is adjusted policy unit 440 specifically can be respectively for the each chip in OLT equipment, and whether the utilance at next time window of identification chip is arranged in power consumption adjustment Policy Table's predetermined threshold value interval.If chip is positioned at described predetermined threshold value interval in the utilance of next time window, does not carry out and obtain the operation of this chip in operating frequency corresponding to the utilance of next time window or operating voltage.Otherwise, if this chip is the lower limit lower than this predetermined threshold value interval in the utilance of next time window, the power consumption adjustment Policy Table that inquiry sets in advance, obtain the operating frequency lower than the interval corresponding operating frequency of this predetermined threshold value or a grade of operating voltage of this chip or operating voltage as operating frequency corresponding to the service feature demand of next time window or operating voltage, and indicate power consumption to adjust control unit 450 and carry out the operation that control bus by OLT equipment transmits control message to respective chip in OLT equipment, so that work at present frequency or operating voltage are lowered to a grade.If this chip is the upper limit higher than this predetermined threshold value interval in the utilance of next time window, the power consumption adjustment Policy Table that inquiry sets in advance, obtain the operating frequency higher than the interval corresponding work at present frequency of this predetermined threshold value or a grade of operating voltage of this chip or operating voltage as operating frequency corresponding to the service feature demand of next time window or operating voltage, and indicate power consumption to adjust control unit 450 and carry out the operation transmitting control message to respective chip by the control bus of OLT equipment, so that the work at present frequency of this chip or operating voltage are raised to a grade.
Fig. 5 is the structural representation that the present invention dynamically adjusts an embodiment of OLT equipment.As shown in Figure 5, the OLT equipment of this embodiment comprises data/address bus 510 and control bus 520, and be connected to control and the managing chip 530 of data/address bus 510 and control bus 520, exchange chip 540, aggregator 550, PON MAC chip 560 and second line of a couplet PON mouth chip 570, also comprise in addition the device 580 of the dynamic adjustment OLT equipment working state that the above-mentioned arbitrary embodiment of the present invention provides, this device 580 of dynamically adjusting OLT equipment working state is connected to data/address bus 510 and control bus 520, to gather the service traffics of each chip in OLT equipment by data/address bus 510, and transmit control message to each chip in OLT equipment by control bus, adjust operating frequency or operating voltage to control each chip.
Wherein, data/address bus 510 is between the each chip of OLT equipment, and between the equipment that in OLT equipment, each chip and OLT are connected by aggregator 550, between the equipment that in OLT equipment, each chip and OLT are connected by second line of a couplet PON mouth chip 570, transmission and exchange data information.
And control bus 520 is between the each chip of OLT equipment, and between the equipment that in OLT equipment, each chip and OLT are connected by aggregator 550, between the equipment that in OLT equipment, each chip and OLT are connected by second line of a couplet PON mouth chip 570, transmitting control message.
Control with managing chip 530 and can be expressed as control/managing chip, be mainly used in control and the management function of OLT equipment, reaching the runing of standard traffic, can manage, safety, performance and the function such as stable.
Second line of a couplet PON mouth chip 570 comprises physical chip (PHY) and optical module, is mainly used in providing access function for subscriber equipment.
The OLT equipment that the above embodiment of the present invention provides, comprise the device of the dynamic adjustment optical line terminal equipment operating state of the embodiment of the present invention, can gather from the data/address bus of OLT equipment the service traffics of each chip OLT equipment, calculate the operating load amount of each chip in OLT equipment according to service traffics, and predict in OLT equipment that each chip is in the service feature demand of next time window, then select each chip in the suitable operating frequency of the service feature demand of next time window or operating voltage according to the power consumption adjustment Policy Table who sets in advance, control each chip and be adjusted to operating frequency corresponding to this service feature demand or operating voltage, thereby can be according to the detection analysis of the service traffics to each chip in OLT equipment, automatically regulate the operating state of each chip in OLT equipment, realizing the dynamically adjustment in real time of the power consumption situation of each chip controls, in the situation that not affecting business and customer service experience, can effectively reduce the work power consumption of OLT equipment, save the use power consumption of OLT equipment, reach reduction energy consumption, realize the object of energy-saving and emission-reduction.
In this specification, each embodiment all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, same or analogous part cross-references between each embodiment.For device embodiment, because it is substantially corresponding with embodiment of the method, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method.
May realize in many ways method of the present invention, device and equipment.For example, can realize method of the present invention, device and equipment by any combination of software, hardware, firmware or software, hardware, firmware.The said sequence that is used for the step of described method is only in order to describe, and the step of method of the present invention is not limited to above specifically described order, unless otherwise specified.In addition, in certain embodiments, can be also the program being recorded in recording medium by the invention process, these programs comprise the machine readable instructions for realizing the method according to this invention.Thereby the present invention also covers the recording medium of storing the program for carrying out the method according to this invention.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in a computer read/write memory medium, this program, in the time carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
The embodiment of the present invention can be according to the detection analysis of the service traffics to each chip in OLT equipment, automatically regulate the operating state of each chip in OLT equipment, realizing the dynamically adjustment in real time of the power consumption situation of each chip controls, in the situation that not affecting business and customer service experience, can effectively reduce the work power consumption of OLT equipment, save the use power consumption of OLT equipment, reached the object that reduces energy consumption, realizes energy-saving and emission-reduction.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the present invention's design to be suitable for the various embodiment with various modifications of special-purpose.
Claims (13)
1. a method of dynamically adjusting optical line terminal equipment operating state, is characterized in that, comprising:
The service traffics of each chip from the data/address bus collection OLT equipment of optical line terminal OLT equipment;
Calculate the operating load amount of each chip in described OLT equipment according to the service traffics of each chip in OLT equipment;
Obtain in described OLT equipment each chip in the service feature demand of next time window according to the operating load amount of each chip in described OLT equipment;
The power consumption adjustment Policy Table that inquiry sets in advance, obtain in described OLT equipment each chip in operating frequency corresponding to the service feature demand of next time window or operating voltage, described power consumption is adjusted the corresponding relation between service feature demand and operating frequency or the operating voltage that Policy Table comprises each chip;
Control bus by OLT equipment transmits control message to each chip in OLT equipment respectively, adjusts operating frequency or operating voltage to control each chip.
2. method according to claim 1, it is characterized in that, the described data/address bus from OLT equipment gathers the service traffics of each chip OLT equipment, specifically gathers the service traffics of each chip OLT equipment according to predetermined period or the real-time data/address bus from OLT equipment.
3. method according to claim 1, is characterized in that, the service traffics that the described data/address bus from OLT equipment gathers each chip OLT equipment comprise:
In core signal interrupt line from described data/address bus or rambus, gather the service traffics of each chip in OLT equipment.
4. according to the method described in claims 1 to 3 any one, it is characterized in that,
Obtaining each chip in described OLT equipment according to the operating load amount of each chip in described OLT equipment comprises in the service feature demand of next time window:
According to the flow upper limit that in the service traffics of each chip in OLT equipment and OLT equipment, each chip is supported, calculate the current utilance of each chip in described OLT equipment respectively; Respectively according to the current utilance of each chip in described OLT equipment, prediction states that in OLT equipment, each chip is in the utilance of next time window, and chip is specially the utilance of this chip at next time window in the service feature demand of next time window.
5. method according to claim 4, is characterized in that, described power consumption is adjusted Policy Table and specifically comprised the corresponding relation between utilance and operating frequency or operating voltage;
The power consumption adjustment Policy Table that inquiry sets in advance, obtains each chip in described OLT equipment and comprises in operating frequency corresponding to the service feature demand of next time window or operating voltage:
For the each chip in described OLT equipment, whether the utilance at next time window of identification chip is arranged in power consumption adjustment Policy Table's predetermined threshold value interval respectively;
If chip is positioned at described predetermined threshold value interval in the utilance of next time window, described in not carrying out, obtain the operation of this chip in operating frequency corresponding to the utilance of next time window or operating voltage;
Otherwise, if chip is the lower limit lower than described predetermined threshold value interval in the utilance of next time window, the power consumption adjustment Policy Table that inquiry sets in advance, obtain the operating frequency lower than the interval corresponding operating frequency of described predetermined threshold value or a grade of operating voltage of this chip or operating voltage as operating frequency corresponding to the service feature demand of next time window or operating voltage, so that the operation transmitting control message to this chip by the control bus of OLT equipment, lowers a grade by the work at present frequency of this chip or operating voltage;
If this chip is the upper limit higher than predetermined threshold value interval in the utilance of next time window, the power consumption adjustment Policy Table that inquiry sets in advance, obtain the operating frequency higher than the interval corresponding operating frequency of described predetermined threshold value or a grade of operating voltage of this chip or operating voltage as operating frequency corresponding to the service feature demand of next time window or operating voltage, so that the operation transmitting control message to this chip by the control bus of OLT equipment, to raise a grade by the work at present frequency of this chip or operating voltage.
6. method according to claim 4, it is characterized in that, in described OLT equipment, each chip comprises any one or more in control and managing chip, exchange chip, aggregator, EPON media interviews control PON MAC chip and second line of a couplet passive optical network PON mouth chip.
7. a device of dynamically adjusting optical line terminal equipment operating state, is characterized in that, comprising:
Collecting unit, for the service traffics of the each chip of data/address bus collection OLT equipment from optical line terminal OLT equipment;
Computing unit, for the service traffics of the each chip of OLT equipment that collects according to collecting unit, calculates the operating load amount of each chip in described OLT equipment;
Acquiring unit, for the operating load amount of the each chip of described OLT equipment that calculates according to computing unit, obtains in described OLT equipment each chip in the service feature demand of next time window;
Power consumption is adjusted policy unit, for storing the power consumption adjustment Policy Table who sets in advance, and inquire about the power consumption adjustment Policy Table that this sets in advance, obtain in described OLT equipment each chip in operating frequency corresponding to the service feature demand of next time window or operating voltage, described power consumption is adjusted the corresponding relation between service feature and operating frequency or the operating voltage that Policy Table comprises each chip;
Power consumption is adjusted control unit, transmits control message to the each chip of OLT equipment for the control bus by OLT equipment respectively, adjusts operating frequency or operating voltage to control each chip.
8. device according to claim 7, is characterized in that, described collecting unit specifically gathers the service traffics of each chip OLT equipment according to predetermined period or the real-time data/address bus from OLT equipment.
9. device according to claim 7, is characterized in that, described collecting unit specifically gathers the service traffics of each chip in OLT equipment in the core signal interrupt line from described data/address bus or rambus.
10. according to the device described in claim 7 to 9 any one, it is characterized in that, described acquiring unit is concrete respectively according to the flow upper limit that in the service traffics of each chip in OLT equipment and OLT equipment, each chip is supported, calculates the current utilance of each chip in described OLT equipment; According to the current utilance of each chip in described OLT equipment, predict that in described OLT equipment, each chip is in the utilance of next time window respectively, chip is specially the utilance of this chip at next time window in the service feature demand of next time window.
11. devices according to claim 10, is characterized in that, described power consumption is adjusted Policy Table and specifically comprised the corresponding relation between utilance and operating frequency or operating voltage;
It is concrete respectively for the each chip in described OLT equipment that described power consumption is adjusted policy unit, and whether the utilance at next time window of identification chip is arranged in power consumption adjustment Policy Table's predetermined threshold value interval;
If chip is positioned at described predetermined threshold value interval in the utilance of next time window, described in not carrying out, obtain the operation of this chip in operating frequency corresponding to the utilance of next time window or operating voltage;
Otherwise, if chip is the lower limit lower than described predetermined threshold value interval in the utilance of next time window, the power consumption adjustment Policy Table that inquiry sets in advance, obtain the operating frequency lower than the interval corresponding operating frequency of described predetermined threshold value or a grade of operating voltage of this chip or operating voltage as operating frequency corresponding to the service feature demand of next time window or operating voltage, and indicate power consumption adjust control unit carry out described in the operation that transmits control message to this chip by the control bus of OLT equipment, so that the work at present frequency of this chip or operating voltage are lowered to a grade,
If chip is the upper limit higher than predetermined threshold value interval in the utilance of next time window, the power consumption adjustment Policy Table that inquiry sets in advance, obtain the operating frequency higher than the interval corresponding operating frequency of described predetermined threshold value or a grade of operating voltage of this chip or operating voltage as operating frequency corresponding to the service feature demand of next time window or operating voltage, and indicate power consumption to adjust control unit and carry out the described operation transmitting control message to this chip by the control bus of OLT equipment, with by the work at present frequency of this chip or a grade of operating voltage rise.
12. devices according to claim 10, it is characterized in that, in described OLT equipment, each chip comprises any one or more in control and managing chip, exchange chip, aggregator, EPON media interviews control PON MAC chip and second line of a couplet passive optical network PON mouth chip.
13. 1 kinds of optical line terminal equipments, comprise data/address bus and control bus, and be connected to control and managing chip, exchange chip, aggregator, EPON media interviews control PON MAC chip and the second line of a couplet passive optical network PON mouth chip of described data/address bus and described control bus, it is characterized in that, the device that also comprises the dynamic adjustment optical line terminal equipment operating state described in claim 7 to 12 any one, the device of described dynamic adjustment optical line terminal equipment operating state is connected to described data/address bus and described control bus.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105282048A (en) * | 2014-06-27 | 2016-01-27 | 中兴通讯股份有限公司 | Business channel management method, device and optical transmission equipment |
| CN107181524A (en) * | 2017-07-26 | 2017-09-19 | 青岛海信宽带多媒体技术有限公司 | A kind of control method and device of optical line terminal optical module |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1588273A (en) * | 2004-08-31 | 2005-03-02 | 威盛电子股份有限公司 | Power management system of computer system |
| CN1859438A (en) * | 2005-09-23 | 2006-11-08 | 华为技术有限公司 | Operation method for passive optic network user terminal |
| EP1930865A2 (en) * | 2006-12-05 | 2008-06-11 | Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal display device and driving method thereof |
| CN101494602A (en) * | 2009-02-18 | 2009-07-29 | 杭州华三通信技术有限公司 | Energy-saving method and apparatus for communication equipment |
| CN101751111A (en) * | 2008-12-17 | 2010-06-23 | 华为技术有限公司 | Method and device for adjusting chip power dissipation |
-
2012
- 2012-11-15 CN CN201210459122.8A patent/CN103813218B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1588273A (en) * | 2004-08-31 | 2005-03-02 | 威盛电子股份有限公司 | Power management system of computer system |
| CN1859438A (en) * | 2005-09-23 | 2006-11-08 | 华为技术有限公司 | Operation method for passive optic network user terminal |
| EP1930865A2 (en) * | 2006-12-05 | 2008-06-11 | Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal display device and driving method thereof |
| CN101751111A (en) * | 2008-12-17 | 2010-06-23 | 华为技术有限公司 | Method and device for adjusting chip power dissipation |
| CN101494602A (en) * | 2009-02-18 | 2009-07-29 | 杭州华三通信技术有限公司 | Energy-saving method and apparatus for communication equipment |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105282048A (en) * | 2014-06-27 | 2016-01-27 | 中兴通讯股份有限公司 | Business channel management method, device and optical transmission equipment |
| CN107181524A (en) * | 2017-07-26 | 2017-09-19 | 青岛海信宽带多媒体技术有限公司 | A kind of control method and device of optical line terminal optical module |
| CN107181524B (en) * | 2017-07-26 | 2021-02-26 | 青岛海信宽带多媒体技术有限公司 | Control method and device for optical line terminal optical module |
| CN109725700A (en) * | 2017-10-29 | 2019-05-07 | 上海寒武纪信息科技有限公司 | Dynamic voltage adjustment frequency modulation device and method |
| CN108777881A (en) * | 2018-05-31 | 2018-11-09 | 海能达通信股份有限公司 | A kind of response slot reservations method, system and equipment |
| CN110719230A (en) * | 2018-07-13 | 2020-01-21 | 中兴通讯股份有限公司 | Peak staggering interval adjusting method and device and computer readable storage medium |
| CN110278603A (en) * | 2019-06-20 | 2019-09-24 | 重庆邮电大学 | A kind of method of mobile terminal dynamic power consumption adjustment |
| CN110278603B (en) * | 2019-06-20 | 2022-02-11 | 重庆邮电大学 | Method for adjusting dynamic power consumption of mobile terminal |
| CN110908310A (en) * | 2019-12-03 | 2020-03-24 | 深圳开立生物医疗科技股份有限公司 | Clock configuration method and system of controller and ultrasonic equipment |
| CN111147962A (en) * | 2019-12-23 | 2020-05-12 | 中国联合网络通信集团有限公司 | Method and device for configuring broadband network |
| CN113055097A (en) * | 2019-12-27 | 2021-06-29 | 中兴通讯股份有限公司 | Coherent receiving method, signal processing method and system |
| CN113055097B (en) * | 2019-12-27 | 2024-05-14 | 中兴通讯股份有限公司 | Coherent reception method, signal processing method and system |
| CN112363609A (en) * | 2020-10-21 | 2021-02-12 | 海光信息技术股份有限公司 | Method and device for reducing power consumption of network on chip, CPU chip and server |
| CN112363609B (en) * | 2020-10-21 | 2023-03-24 | 海光信息技术股份有限公司 | Method and device for reducing power consumption of network on chip, CPU chip and server |
| CN114584495A (en) * | 2020-11-18 | 2022-06-03 | 中兴通讯股份有限公司 | Device operation control method, optical transmission device, and storage medium |
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