CN106685529B - Methods, devices and systems for adjusting circuit rate - Google Patents
Methods, devices and systems for adjusting circuit rate Download PDFInfo
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- CN106685529B CN106685529B CN201510751548.4A CN201510751548A CN106685529B CN 106685529 B CN106685529 B CN 106685529B CN 201510751548 A CN201510751548 A CN 201510751548A CN 106685529 B CN106685529 B CN 106685529B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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Abstract
The present invention discloses a kind of methods, devices and systems for adjusting circuit rate.Wherein OLT when carrying out line speed adjusting to ONU send regulating command, if adjust initial time reach when have been received by ONU transmission confirmation message, OLT by current line speed from first line rate adaptation be the second line speed.It is adjusted to the second line speed if failing, OLT is rolled back to first line rate.After being successfully adjusted to the second line speed, OLT starts first timer, if receiving the rate adaptation success message of ONU transmission before first timer expires, OLT sends success response message to ONU, so that OLT is interacted using the second line speed with ONU；If not receiving rate adaptation success message yet when first timer expires, OLT is rolled back to first line rate.It is worked by being rolled back to former line speed when occurring abnormal, so that it is guaranteed that both devices remain to normal interaction after folk prescription line speed adjusts failure, guarantees the stability of bearer service.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of methods, devices and systems for adjusting circuit rate.
Background technique
As LTE (Long Term Evolution, long term evolution) mobile network starts large scale deployment, at the same it is all kinds of
Government and enterprise customers increasingly improve the access bandwidth of network special line and security requirement, are based on WDM (Wavelength
Division Multiplexing, wavelength-division multiplex) PON (Passive Optical Network: passive optical network) technology
High speed passive optical network is increasingly becoming the hot spot of deployment and application.WDM PON technology is opened up based on traditional passive optical network tree-shaped
Structure is flutterred, a large number of users side incoming fiber optic is converged by introducing channel-splitting filter, compares current IPRAN (IP Radio Access
Network), the mobile bearer network such as PTN (Packet Transport Network, Packet Transport Network) and the traditional forms of enterprises are special
The point-to-point fiber topology structure of line can save a large amount of fiber resources, and engineering construction workload and cost is greatly lowered；Together
When, due to introducing wavelength-division multiplex technique, each user exclusively enjoys a pair of of downstream transmission wavelength, compares conventionally employed TDM (Time
Division Multiplexing, time division multiplexing) scheme EPON (Ethernet PON, Ethernet passive optical network)/GPON
(Gigabit-Capable PON) passive optical network, WDM PON up direction are no longer time division multiplexings, and down direction is not
It is broadcast transmission again, substantially increases access bandwidth and the safety of single user.
The WDM PON system of currently available technology, the access bandwidth of single user can satisfy existing substantially up to 10Gbps
There are the business demand of LTE mobile network and government and enterprises' special line.But the reason of the following aspects, it is desirable that WDM PON equipment has
The ability of online dynamic regulation port line rate.
1, CPRI (Common Public Radio Interface, the common public radio of LTE network are carried at present
Interface) forward pass agreement has a variety of rate specifications (1G/6G/10G etc.), and when existing wet end administration, needs according to specific base station equipment ability
Configure different WDM PON port line rates；
2, operator needs to formulate different government and enterprises' private line service set meal rates, to meet the business demand of different enterprises,
Meanwhile user can change the set meal (corresponding access rate) of oneself at any time and come into force as early as possible, therefore it is required that corresponding WDM
PON device port line speed can online dynamic regulation；
3, with high-speed access network it is extensive construction and deployment, in recent years access network equipment overall energy consumption also rapidly on
It rises, how to save unnecessary equipment energy consumption, reduce O&M cost and also become operator's increasingly concern, high speed WDM
If section is adjusted to low rate operating mode the line speed of PON equipment during idle time, the function of electric layer chip can be effectively reduced
Consumption, realizes effective energy-saving and emission-reduction.
In existing international standard, the method for not yet adjusting port line rate to WDM PON equipment on-line carries out detailed
Regulation, lack for various abnormal conditions processing method, fail provide complete set port lines rate adaptation method and
System scheme.
Summary of the invention
The embodiment of the present invention provides a kind of methods, devices and systems for adjusting circuit rate.Optical line terminal and light
Network unit passes through interaction carry out state circulation, so as to online dynamic regulation port line rate, so that optical link
Terminal and optical network unit are interacted using matched line speed.
According to an aspect of the present invention, a kind of method for adjusting circuit rate is provided, comprising:
It is true according to the current load level of optical network unit and line speed regulating power when carrying out line speed adjusting
It sets the tone and saves initial time；
Regulating command is sent to optical network unit, to indicate that optical network unit carries out line speed adjusting, wherein adjusting
Instruction includes adjusting initial time and the additional time delay information for optical network unit；
Judge the confirmation message that optical network unit transmission whether is had received when adjusting initial time and reaching；
If the confirmation message of optical network unit transmission is had received when adjusting initial time and reaching, by current route
Rate from first line rate adaptation be the second line speed；
After current line speed is successfully adjusted to the second line speed from first line rate, the first timing of starting
Device；
Judge the adjusting success message that optical network unit transmission whether is received before first timer expires, wherein light net
Network unit is sent after being successfully adjusted to the second line speed adjusts success message；
If the adjusting success message of optical network unit transmission is received before first timer expires, to optical network unit
Success response message is sent, is worked so that optical network unit continues to use the second line speed.
In one embodiment, if not receiving the adjusting success of optical network unit transmission yet when first timer expires
Current line speed is then rolled back to first line rate from the second line speed by message.
In one embodiment, if failing current line speed being successfully adjusted to the second route from first line rate
Current line speed is then rolled back to first line rate by rate.
In one embodiment, if not receiving the confirmation letter of optical network unit transmission when adjusting initial time and reaching
Breath, then stop route rate adaptation.
In one embodiment, the specific meter that initial time is super frame counter SFC in passive optical network is adjusted
Numerical value.
According to another aspect of the present invention, a kind of method for adjusting circuit rate is provided, comprising:
Receive optical line terminal transmission regulating command after, judge the adjusting initial time for including in regulating command and
Whether additional time delay information matches with self-ability；
If the adjusting initial time and additional time delay information that include in regulating command match with self-ability, to light
Road terminal sends confirmation message；
It is adjusting after initial time and additional time delay the information specified time arrives, by current line speed from First Line
Road rate adaptation is the second line speed；
After current line speed is successfully adjusted to the second line speed from first line rate, to optical line terminal
It sends and adjusts success message, and start second timer；
Judge the success response message that optical line terminal transmission whether is received before second timer expires；
If receiving the success response message of optical line terminal transmission before second timer expires, second is continued to use
Line speed works.
In one embodiment, if not receiving the success response of optical line terminal transmission yet when second timer expires
Current line speed is then rolled back to first line rate from the second line speed by message.
In one embodiment, if failing current line speed being successfully adjusted to the second route from first line rate
Current line speed is then rolled back to first line rate by rate.
In one embodiment, if the adjusting initial time and additional time delay information and self-ability that include in regulating command
It mismatches, then sends negative confirmation information to optical line terminal.
According to another aspect of the present invention, a kind of optical line terminal for adjusting circuit rate is provided, including when starting
Between determining module, first interface module, the first identification module, first state shift module, the second identification module and first timing
Device, in which:
Initial time determining module is used for when carrying out line speed adjusting, according to the current load water of optical network unit
Flat and line speed regulating power, which determines, adjusts initial time；
First interface module, for sending regulating command to optical network unit, to indicate that optical network unit carries out route
Rate adaptation, wherein regulating command includes adjusting initial time and the additional time delay information for optical network unit；
First identification module, for judging whether first interface module has received light net when adjusting initial time and reaching
The confirmation message that network unit is sent；
First state shift module, for the judging result according to the first identification module, if being reached adjusting initial time
When have received optical network unit transmission confirmation message, then by current line speed from first line rate adaptation be second
Line speed；After current line speed is successfully adjusted to the second line speed from first line rate, starting first is fixed
When device；
Second identification module, for judging whether first interface module receives optical-fiber network list before first timer expires
The adjusting success message that member is sent, wherein optical network unit sends to adjust and successfully disappear after being successfully adjusted to the second line speed
Breath；If receiving the adjusting success message of optical network unit transmission before first timer expires, first interface module is indicated
Success response message is sent to optical network unit, is worked so that optical network unit continues to use the second line speed.
In one embodiment, first state shift module is also used to the judging result according to the second identification module, if
First timer does not receive the adjusting success message of optical network unit transmission yet when expiring, then by current line speed from the
Two line speeds are rolled back to first line rate.
In one embodiment, first state shift module is also used to failing current line speed from first line
When rate is successfully adjusted to the second line speed, current line speed is rolled back to first line rate.
In one embodiment, first state shift module is also used to the judging result according to the first identification module, if
The confirmation message for not receiving optical network unit transmission when initial time reaches is adjusted, then stops route rate adaptation.
In one embodiment, the specific meter that initial time is super frame counter SFC in passive optical network is adjusted
Numerical value.
According to another aspect of the present invention, a kind of optical network unit for adjusting circuit rate is provided, including second connects
Mouth mold block, third identification module, the second state shift module, the 4th identification module and second timer, in which:
Second interface module, for receiving the regulating command of optical line terminal transmission；
Third identification module, for judging after the regulating command that second interface module receives optical line terminal transmission
Whether the adjusting initial time and additional time delay information for including in regulating command match with self-ability；If being wrapped in regulating command
The adjusting initial time and additional time delay information included matches with self-ability, then indicates second interface module to optical line terminal
Send confirmation message；
Second state shift module, for inciting somebody to action after adjusting the time arrival that initial time and additional time delay information are specified
Current line speed from first line rate adaptation be the second line speed；Current line speed is fast from first line
After rate is successfully adjusted to the second line speed, instruction second interface module sends to optical line terminal and adjusts success message, and opens
Dynamic second timer；
4th identification module is for judging whether second interface module receives optical link end before second timer expires
Hold the success response message sent；If receiving the success response message of optical line terminal transmission before second timer expires,
The second line speed is then continued to use to work.
In one embodiment, the second state shift module is also used to the judging result according to the 4th identification module, if
Second timer does not receive the success response message of optical line terminal transmission yet when expiring, then by current line speed from the
Two line speeds are rolled back to first line rate.
In one embodiment, the second state shift module is also used to failing current line speed from first line
When rate is successfully adjusted to the second line speed, current line speed is rolled back to first line rate.
In one embodiment, third identification module is also used to the adjusting initial time for including in regulating command and adds
When Delay and self-ability mismatch, instruction second interface module sends negative confirmation information to optical line terminal.
According to another aspect of the present invention, a kind of system for adjusting circuit rate, including any of the above-described implementation are provided
The optical network unit that the optical line terminal and any of the above-described embodiment that example is related to are related to.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is schematic diagram of the present invention for method one embodiment of adjusting circuit rate.
Fig. 2 is schematic diagram of the present invention for another embodiment of method of adjusting circuit rate.
Fig. 3 is schematic diagram of the present invention for the another embodiment of method of adjusting circuit rate.
Fig. 4 is schematic diagram of the present invention for the another embodiment of method of adjusting circuit rate.
Fig. 5 is the schematic diagram of optical line terminal one embodiment of the present invention.
Fig. 6 is the schematic diagram of optical network unit one embodiment of the present invention.
Fig. 7 is schematic diagram of the present invention for system one embodiment of adjusting circuit rate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 1 is schematic diagram of the present invention for method one embodiment of adjusting circuit rate.Preferably, the present embodiment
Method and step can be executed by optical line terminal (OLT).Wherein:
Step 101, when carrying out line speed adjusting, according to the current load level of optical network unit and line speed tune
Energy saving power, which determines, adjusts initial time.
Preferably, super frame counter SFC (the Super Frame that initial time can be PON system TC layers is adjusted
Counter specific count value).
Step 102, regulating command is sent to optical network unit, to indicate that optical network unit carries out line speed adjusting,
Wherein regulating command includes adjusting initial time and the additional time delay information for optical network unit.
Step 103, judge the confirmation message that optical network unit transmission whether is had received when adjusting initial time and reaching.
Wherein optical network unit sends confirmation when judgement adjusts initial time and additional time delay information matches with itself
Information.
Step 104, if having received the confirmation message of optical network unit transmission when adjusting initial time and reaching, will work as
Preceding line speed from first line rate adaptation be the second line speed.
Since interacting message can not be carried out between the OLT and optical network unit of different line speeds, it is therefore desirable to first by OLT
It is adjusted to the second line speed.
Step 105, after current line speed is successfully adjusted to the second line speed from first line rate, starting
First timer.
Step 106, judge the adjusting success message that optical network unit transmission whether is received before first timer expires.
Wherein optical network unit is sent after being successfully adjusted to the second line speed adjusts success message.
Step 107, if receiving the adjusting success message of optical network unit transmission, Xiang Guang before first timer expires
Network unit sends success response message, works so that optical network unit continues to use the second line speed.
Based on the method for adjusting circuit rate that the above embodiment of the present invention provides, optical line terminal and optical-fiber network list
Member is by interaction carry out state circulation, so as to online dynamic regulation port line rate so that optical line terminal and
Optical network unit utilizes matched line speed.
Fig. 2 is schematic diagram of the present invention for another embodiment of method of adjusting circuit rate.Preferably, the present embodiment
Method and step can be executed by OLT.Wherein:
Step 201, when carrying out line speed adjusting, according to the current load level of optical network unit and line speed tune
Energy saving power, which determines, adjusts initial time.Here the current line speed of OLT is set as first line rate.
Preferably, adjusting initial time can be the specific count value of PON system TC layers of super frame counter SFC.
Step 202, regulating command is sent to optical network unit, to indicate that optical network unit carries out line speed adjusting,
Wherein regulating command includes adjusting initial time and the additional time delay information for optical network unit.
Step 203, judge the confirmation message that optical network unit transmission whether is had received when adjusting initial time and reaching.
Wherein optical network unit sends confirmation message when judgement adjusts initial time and additional time delay information matches with itself.
If having received the confirmation message of optical network unit transmission when adjusting initial time and reaching, 204 are thened follow the steps；
If not receiving the confirmation message of optical network unit transmission when adjusting initial time and reaching, 211 are thened follow the steps.
Step 204, by current line speed from first line rate adaptation be the second line speed.
Step 205, judge to adjust and whether succeed.If current line speed is successfully adjusted to from first line rate
Two line speeds, then follow the steps 206；If failing current line speed being successfully adjusted to the second line from first line rate
Road rate, thens follow the steps 210.
Step 206, start first timer.
Step 207, judge the adjusting success message that optical network unit transmission whether is received before first timer expires.
Wherein optical network unit is sent after being successfully adjusted to the second line speed adjusts success message.
If receiving the adjusting success message of optical network unit transmission before first timer expires, 208 are thened follow the steps；
If not receiving the adjusting success message of optical network unit transmission yet when first timer expires, 209 are thened follow the steps.
Step 208, success response message is sent to optical network unit.So that optical network unit continues to use the second route speed
Rate works, so that OLT is interacted with the second line speed with optical network unit.Its of the present embodiment is no longer executed later
Its step.
Step 209, current line speed is rolled back to first line rate from the second line speed, so that OLT is with
One line speed is interacted with optical network unit.Other steps of the present embodiment are no longer executed later.
It is adjusted to the second line speed since optical network unit fails, OLT is rolled back to original line speed.
Step 210, current line speed is rolled back to first line rate.The other of the present embodiment are no longer executed later
Step.
It is adjusted to the second line speed since OLT itself fails, current line speed is rolled back to First Line
Road rate.
Step 211, stop route rate adaptation.
Pass through above-mentioned processing, it is ensured that when occurring abnormal, OLT can be rolled back to original line speed and work, thus
Both devices can not be interacted normally again after solving the problems, such as the adjusting failure of folk prescription line speed, ensure that institute's bearer service
Stability.
Fig. 3 is schematic diagram of the present invention for the another embodiment of method of adjusting circuit rate.Preferably, the present embodiment
Method and step can be executed by optical network unit (ONU).Wherein:
Step 301, after the regulating command for receiving optical line terminal transmission, judge that the adjusting for including in regulating command rises
Whether time beginning and additional time delay information match with self-ability.
Step 302, if the adjusting initial time and additional time delay information that include in regulating command match with self-ability,
Then confirmation message is sent to optical line terminal.
Step 303, after adjusting the time arrival that initial time and additional time delay information are specified, by current line speed
It is the second line speed from first line rate adaptation.
Step 304, after current line speed is successfully adjusted to the second line speed from first line rate, Xiang Guang
Line terminal, which is sent, adjusts success message, and starts second timer.
Step 305, judge the success response message that optical line terminal transmission whether is received before second timer expires.
Step 306, if receiving the success response message of optical line terminal transmission before second timer expires, continue
It is worked using the second line speed.
Based on the method for adjusting circuit rate that the above embodiment of the present invention provides, optical line terminal and optical-fiber network list
Member is by interaction carry out state circulation, so as to online dynamic regulation port line rate so that optical line terminal and
Optical network unit utilizes matched line speed.
Fig. 4 is schematic diagram of the present invention for another embodiment of method of adjusting circuit rate.Preferably, the present embodiment
Method and step can be executed by ONU.Wherein:
Step 401, the regulating command that optical line terminal is sent is received.
Step 402, judge the adjusting initial time for including in regulating command and additional time delay information whether with self-ability
Match.If the adjusting initial time and additional time delay information that include in regulating command match with self-ability, step is executed
Rapid 403；If the adjusting initial time and additional time delay information that include in regulating command and self-ability mismatch, then follow the steps
411。
Step 403, confirmation message (ACK) is sent to optical line terminal.
Step 404, after adjusting the time arrival that initial time and additional time delay information are specified, by current line speed
It is the second line speed from first line rate adaptation.
Step 405, judge to adjust and whether succeed.Current line speed is successfully being adjusted to from first line rate
After two line speeds, step 406 is executed；If failing current line speed being successfully adjusted to the second line from first line rate
Road rate, thens follow the steps 410.
Step 406, it is sent to optical line terminal and adjusts success message, and start second timer.
Step 407, judge the success response message that optical line terminal transmission whether is received before second timer expires.
If receiving the success response message of optical line terminal transmission before second timer expires, 408 are thened follow the steps；If second
The success response message for not receiving optical line terminal transmission when timer expiration yet, thens follow the steps 409.
Step 408, it continues to use the second line speed to work, so that ONU is whole with the second line speed and optical link
End interacts.Other steps of the present embodiment are no longer executed later.
Step 409, current line speed is rolled back to first line rate from the second line speed, so that ONU is with
One line speed is interacted with optical line terminal.Other steps of the present embodiment are no longer executed later.
Step 410, current line speed is rolled back to first line rate.The other of the present embodiment are no longer executed later
Step.
Step 411, negative confirmation information (NACK) is sent to optical line terminal, then stops this and adjusts work.
Pass through above-mentioned processing, it is ensured that when occurring abnormal, ONU can be rolled back to original line speed and work, thus
Both devices can not be interacted normally again after solving the problems, such as the adjusting failure of folk prescription line speed, ensure that institute's bearer service
Stability.
Fig. 5 is the schematic diagram of optical line terminal one embodiment of the present invention.As shown in figure 5, optical line terminal may include
Beginning time determining module 501, first interface module 502, the first identification module 503, first state shift module 504, second are known
Other module 505 and first timer 506.Wherein:
Initial time determining module 501 is used for when carrying out line speed adjusting, according to the current load of optical network unit
Horizontal and line speed regulating power, which determines, adjusts initial time.
Preferably, the specific count value that initial time is super frame counter SFC in passive optical network is adjusted.
First interface module 502, for sending regulating command to optical network unit, to indicate that optical network unit carries out line
Road rate adaptation, wherein regulating command includes adjusting initial time and additional time delay information.
First identification module 503, for judging whether first interface module 502 has received when adjusting initial time and reaching
The confirmation message sent to optical network unit.
First state shift module 504, for the judging result according to the first identification module 503, if when adjusting starting
Between the confirmation message of optical network unit transmission is had received when reaching, then by current line speed from first line rate adaptation
For the second line speed；After current line speed is successfully adjusted to the second line speed from first line rate, starting
First timer 506.
Second identification module 505, for judging whether first interface module 502 receives before first timer 506 expires
The adjusting success message sent to optical network unit, wherein optical network unit sends tune after being successfully adjusted to the second line speed
Save success message.If receiving the adjusting success message of optical network unit transmission before first timer 506 expires, the is indicated
One interface module 502 sends success response message to optical network unit, so that optical network unit continues to use the second line speed
It works.
Based on the above embodiment of the present invention provide the optical line terminal for adjusting circuit rate, by with optical-fiber network list
Member interaction carry out state circulation, so as to online dynamic regulation port line rate, so that optical line terminal and light net
Network unit is interacted using matched line speed.
Preferably, first state shift module 504 is also used to the judging result according to the second identification module 505, if
One timer 506 do not received yet when expiring optical network unit transmission adjusting success message, then by current line speed from
Second line speed is rolled back to first line rate, so that OLT is interacted with first line rate with optical network unit.
Preferably, first state shift module 504 is also used to failing current line speed from first line rate
When being successfully adjusted to the second line speed, current line speed is rolled back to first line rate.
Preferably, first state shift module 504 is also used to the judging result according to the first identification module 503, if adjusting
Section initial time does not receive the confirmation message of optical network unit transmission when reaching, then stops route rate adaptation.
Fig. 6 is the schematic diagram of optical network unit one embodiment of the present invention.As shown in fig. 6, optical network unit may include
Two interface modules 601, third identification module 602, the second state shift module 603, the 4th identification module 604 and second timer
605.Wherein:
Second interface module 601, for receiving the regulating command of optical line terminal transmission.
Third identification module 602, for receiving the regulating command of optical line terminal transmission in second interface module 601
Afterwards, judge whether the adjusting initial time for including in regulating command and additional time delay information match with self-ability；If adjusting
The adjusting initial time and additional time delay information for including in instruction match with self-ability, then indicate second interface module 601
Confirmation message is sent to optical line terminal.
Second state shift module 603, for adjusting after initial time and additional time delay the information specified time arrives,
By current line speed from first line rate adaptation be the second line speed；By current line speed from first line
After rate is successfully adjusted to the second line speed, instruction second interface module 601 sends to optical line terminal and adjusts success message,
And start second timer 605.
4th identification module 604 is for judging whether second interface module 601 receives before second timer 605 expires
The success response message that optical line terminal is sent；If second timer 605 expire before receive optical line terminal transmission at
Function response message then continues to use the second line speed and works, so as to ONU with the second line speed and optical line terminal into
Row interaction.
Based on the optical network unit for adjusting circuit rate that the above embodiment of the present invention provides, by whole with optical link
Interaction carry out state circulation is held, so as to online dynamic regulation port line rate, so that optical line terminal and light net
Network unit is interacted using matched line speed.
Preferably, the second state shift module 603 is also used to the judging result according to the 4th identification module 604, if
Two timers 605 do not received yet when expiring optical line terminal transmission success response message, then by current line speed from
Second line speed is rolled back to first line rate, so that ONU is interacted with first line rate with optical line terminal.
Preferably, the second state shift module 603 is also used to failing current line speed from first line rate
When being successfully adjusted to the second line speed, current line speed is rolled back to first line rate.
Preferably, third identification module 602 is also used to the adjusting initial time and additional time delay for including in regulating command
When information and self-ability mismatch, instruction second interface module 601 sends negative confirmation information to optical line terminal, to terminate
This adjusts work.
Fig. 7 is schematic diagram of the present invention for system one embodiment of adjusting circuit rate.As shown in fig. 7, the system
It may include optical line terminal 701 and optical network unit 702, wherein optical line terminal 701 is that any embodiment is related in attached drawing 5
Optical line terminal, optical network unit 702 are the optical network unit that any embodiment is related in attached drawing 6.
By applying the present invention, can handle OLT during the adjusting and ONU abnormal conditions being likely to occur, it is ensured that
After a side adjusts failure, both sides can return to original line speed after specific timer expiry, ensure that both sides exist
Normal interacting message can be carried out in various situations again, it is ensured that the stability of business.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (19)
1. a kind of method for adjusting circuit rate, is executed by optical line terminal characterized by comprising
When carrying out line speed adjusting, is determined and adjusted according to the current load level of optical network unit and line speed regulating power
Save initial time；
Regulating command is sent to optical network unit, to indicate that optical network unit carries out line speed adjusting, wherein regulating command
Including adjusting initial time and for the additional time delay information of optical network unit；
Judge the confirmation message that optical network unit transmission whether is had received when adjusting initial time and reaching；
If the confirmation message of optical network unit transmission is had received when adjusting initial time and reaching, by current line speed
It is the second line speed from first line rate adaptation；
After current line speed is successfully adjusted to the second line speed from first line rate, start first timer；
Judge the adjusting success message that optical network unit transmission whether is received before first timer expires, wherein optical-fiber network list
Member is sent after being successfully adjusted to the second line speed adjusts success message；
If receiving the adjusting success message of optical network unit transmission before first timer expires, sent to optical network unit
Success response message works so that optical network unit continues to use the second line speed.
2. the method according to claim 1, wherein
If the adjusting success message of optical network unit transmission is not received yet when first timer expires, by current route
Rate is rolled back to first line rate from the second line speed.
3. according to the method described in claim 2, it is characterized in that,
If failing current line speed being successfully adjusted to the second line speed from first line rate, by current route
Rate is rolled back to first line rate.
4. according to the method described in claim 3, it is characterized in that,
If not receiving the confirmation message of optical network unit transmission when adjusting initial time and reaching, stop line speed tune
Section.
5. method according to any of claims 1-4, which is characterized in that
Adjust the specific count value that initial time is super frame counter SFC in passive optical network.
6. a kind of method for adjusting circuit rate, is executed by optical network unit characterized by comprising
After the regulating command for receiving optical line terminal transmission, judges the adjusting initial time for including in regulating command and add
Whether Delay matches with self-ability；
If the adjusting initial time and additional time delay information that include in regulating command match with self-ability, to optical link end
End sends confirmation message；
It is after adjusting the time arrival that initial time and additional time delay information are specified, current line speed is fast from first line
Rate is adjusted to the second line speed；
After current line speed is successfully adjusted to the second line speed from first line rate, sent to optical line terminal
Success message is adjusted, and starts second timer；
Judge the success response message that optical line terminal transmission whether is received before second timer expires；
If receiving the success response message of optical line terminal transmission before second timer expires, the second route is continued to use
Rate works.
7. according to the method described in claim 6, it is characterized in that,
If the success response message of optical line terminal transmission is not received yet when second timer expires, by current route
Rate is rolled back to first line rate from the second line speed.
8. the method according to the description of claim 7 is characterized in that
If failing current line speed being successfully adjusted to the second line speed from first line rate, by current route
Rate is rolled back to first line rate.
9. according to the method described in claim 8, it is characterized in that,
If the adjusting initial time and additional time delay information that include in regulating command and self-ability mismatch, to optical link end
End sends negative confirmation information.
10. a kind of optical line terminal for adjusting circuit rate, which is characterized in that including initial time determining module, first
Interface module, the first identification module, first state shift module, the second identification module and first timer, in which:
Initial time determining module, for when carrying out line speed adjusting, according to the current load level of optical network unit and
Line speed regulating power, which determines, adjusts initial time；
First interface module, for sending regulating command to optical network unit, to indicate that optical network unit carries out line speed
It adjusts, wherein regulating command includes adjusting initial time and the additional time delay information for optical network unit；
First identification module, for judging whether first interface module has received optical-fiber network list when adjusting initial time and reaching
The confirmation message that member is sent；
First state shift module, for the judging result according to the first identification module, if when adjusting initial time and reaching
Receive optical network unit transmission confirmation message, then by current line speed from first line rate adaptation be the second route
Rate；After current line speed is successfully adjusted to the second line speed from first line rate, start first timer；
Second identification module, for judging whether first interface module receives optical network unit hair before first timer expires
The adjusting success message sent, wherein optical network unit is sent after being successfully adjusted to the second line speed adjusts success message；If
The adjusting success message that optical network unit transmission is received before first timer expires, then indicate first interface module to light net
Network unit sends success response message, works so that optical network unit continues to use the second line speed.
11. optical line terminal according to claim 10, which is characterized in that
First state shift module is also used to the judging result according to the second identification module, if not yet when first timer expires
The adjusting success message for receiving optical network unit transmission, then be rolled back to first from the second line speed for current line speed
Line speed.
12. optical line terminal according to claim 11, which is characterized in that
First state shift module is also used to failing current line speed being successfully adjusted to second from first line rate
When line speed, current line speed is rolled back to first line rate.
13. optical line terminal according to claim 12, which is characterized in that
First state shift module is also used to the judging result according to the first identification module, if not when adjusting initial time and reaching
The confirmation message for receiving optical network unit transmission, then stop route rate adaptation.
14. optical line terminal described in any one of 0-13 according to claim 1, which is characterized in that
Adjust the specific count value that initial time is super frame counter SFC in passive optical network.
15. a kind of optical network unit for adjusting circuit rate, which is characterized in that identified including second interface module, third
Module, the second state shift module, the 4th identification module and second timer, in which:
Second interface module, for receiving the regulating command of optical line terminal transmission；
Third identification module, for judging to adjust after the regulating command that second interface module receives optical line terminal transmission
Whether the adjusting initial time and additional time delay information for including in instruction match with self-ability；If including in regulating command
It adjusts initial time and additional time delay information matches with self-ability, then indicate that second interface module is sent to optical line terminal
Confirmation message；
Second state shift module will be current for adjusting after initial time and additional time delay the information specified time arrives
Line speed from first line rate adaptation be the second line speed；By current line speed from first line rate at
After function is adjusted to the second line speed, instruction second interface module is sent to optical line terminal adjusts success message, and starts the
Two timers；
4th identification module is for judging whether second interface module receives optical line terminal hair before second timer expires
The success response message sent；If receiving the success response message of optical line terminal transmission before second timer expires, after
It is continuous to be worked using the second line speed.
16. optical network unit according to claim 15, which is characterized in that
Second state shift module is also used to the judging result according to the 4th identification module, if not yet when second timer expires
The success response message for receiving optical line terminal transmission, then be rolled back to first from the second line speed for current line speed
Line speed.
17. optical network unit according to claim 16, which is characterized in that
Second state shift module is also used to failing current line speed being successfully adjusted to second from first line rate
When line speed, current line speed is rolled back to first line rate.
18. optical network unit according to claim 17, which is characterized in that
Third identification module is also used to the adjusting initial time and additional time delay information for including in regulating command and self-ability
When mismatch, instruction second interface module sends negative confirmation information to optical line terminal.
19. a kind of system for adjusting circuit rate, which is characterized in that including as described in any one of claim 10-14
Optical line terminal, and the optical network unit as described in any one of claim 15-18.
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| CN118118821A (en) * | 2022-11-29 | 2024-05-31 | 华为技术有限公司 | Data frame transmission method, related equipment, system and storage medium |
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