CN103905583B - Ethernet passive optical network-controlled method, system and OLT - Google Patents
Ethernet passive optical network-controlled method, system and OLT Download PDFInfo
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Abstract
This application provides a kind of Ethernet passive optical network-controlled method, wherein, OLT is every the corresponding default registration allocation list in the current PON ports of Preset Time run-down, when scanning to a unregistered and list item significance bit is for effective list item, determine that described unregistered and list item significance bit is target list item for effective list item；Send the ONU of DISCOVERY GATE messages to the current PON ports；The REPORT messages that the ONU that the MAC Address of the ONU that reception MAC Address is recorded with the target list item matches is returned；Confirm the corresponding ONU successful registrations of LLID values that the REPORT messages are carried, and by the login state of the ONU labeled as registered.Therefore, the application avoids discovery collision, reduces bandwidth cost, improves the reliability of registration process, reduces the probability for causing EPON system running losses.
Description
Technical field
The application is related to Ethernet passive optical network design field, more particularly to a kind of Ethernet passive optical network-controlled side
Method, system and OLT.
Background technology
EPON (ethernet passive optical network, Ethernet passive optical network) system is due to low cost
Honest and clean, deployment is convenient, with it is roomy, scalability is strong the advantages of obtained large-scale application in the communications field, and be progressively generalized to shifting
The application scenarios such as dynamic passback, power communication, automation, EPA.
EPON system is mainly made up of 3 parts：OLT (optical line terminal, optical line terminal), light splitting
Device and ONU (optical network units, optical network unit).OLT is normally at computer room, for convergence service to far
End server；ONU is normally at site of deployment such as corridor, factory building etc., for and terminal equipment in communication.OLT is connected by optical fiber
To each ONU, by using optical splitter, multiple ONU can be disposed under an OLT.
EPON system by MPCP defined in IEEE802.3ah agreements (Multipoint Control Protocol,
Multi-point Control Protocol), complete the bandwidth allocation of automatic discovery and the registration, the dynamic distance of ONU and ONU of ONU.
At present, any one PON (Passive Optical Network, passive optical-fiber network) port in EPON system
The registration process of ONU be specially：
(1) OLT periodic broadcasts send the DISCOVERY GATE messages for carrying time tag, notice all ONU and find
Carved and its length at the beginning of time slot；
(2) the ONU response DISCOVERY GATE having not yet registered, in modification local clock and DISCOVERY GATE messages
Entrained time tag is consistent.Carved at the beginning of the local clock of ONU reaches discovery time slot, ONU will wait one at random
Shi Yanhou sends REGISTER_REQ messages, and MAC Address and the transmission of ONU are included in REGISTER_REQ messages
ONU local clock label during REGISTER_REQ messages；
(3) after OLT receives the REGISTER_REQ messages of unregistered ONU, will obtain its MAC Address and it is round when
Prolong；Round-trip delay is mainly used in the synchronous of time between ONU and OLT；
(4) after the REGISTER_REQ messages that OLT parsings are received, the MAC ground carried in REGISTER_REQ messages is used
Location sends a unicast REGISTER message to this unregistered ONU.Wherein, include in REGISTER message and distribute to this
The unique LLID of of ONU (Logical Link ID, logical links mark), for identity；
(5) REGISTER messages are followed closely, OLT can also send a common GATE message, to same ONU；
(6) after ONU receives REGISTER and common GATE messages, the time slot that will be authorized in GATE messages sends one
REGISTER_ACK message, informs that OLT has successfully parsed REGISTER messages；
(7) so far, ONU registrations are completed.
Because in above-mentioned registration process, OLT is periodically uninterrupted transmission DISCOVERY GATE, therefore is completed
After the registration of all ONU, OLT is still to continue to send DISCOVERY GATE, and up log-in window bandwidth is distributed to ONU, is caused
Bandwidth resources expense is big.
In above-mentioned registration process, if after the DISCOVERY GATE messages for receiving OLT, having multiple ONU in same note
REGISTER_REQ messages are sent to OLT in volume window, then these REGISTER_REQ messages may collide at OLT ends
And make this registration failure of corresponding ONU, so as to cause some ONU hour of log-on long.Even if each ONU is in same registration
Using REGISTER_REQ messages are sent after random delay in window, the probability of conflict can only be also reduced, will not completely avoid punching
It is prominent.
Also, in above-mentioned registration process, unregistered ONU returns to MAC Address and the transmission for including ONU to OLT
During REGISTER_REQ messages during the REGISTER_REQ messages of ONU local clock label, disabled user may intercept and capture not
The MAC Address of the ONU of registration, pretends to be unregistered ONU, by transmitting false REGISTER_REQ messages to OLT, to obtain net
Network resource and information, or even forge control information, location revision information.It can be seen that, above-mentioned registration process poor reliability, easily to EPON
System operation causes damage.
The content of the invention
In order to solve the above technical problems, a kind of Ethernet passive optical network-controlled method of the embodiment of the present application offer,
System and OLT, discovery collision is avoided to reach, and reduces bandwidth cost, improves the reliability of registration process, and reduction causes EPON systems
The purpose of the probability of system running losses, technical scheme is as follows：
A kind of Ethernet passive optical network-controlled method, including：
Optical line terminal OLT is every the corresponding default note in Preset Time run-down current passive fiber optic network PON ports
Volume allocation list, the default registration allocation list includes multiple list items, and each list item is different, and each list item correspondence unique
Individual optical network unit ONU, each self-corresponding ONU of each list item belongs to current PON ports, and the list item has at least recorded list item
Significance bit, the MAC Address of ONU, distribute to the LLID values of ONU and the login state of ONU；And,
When scanning to a unregistered and list item significance bit is for effective list item, determine that described unregistered and list item is effective
Position is target list item for effective list item；
The ONU of DISCOVERY GATE messages to the current PON ports is sent, the DISCOVERY GATE messages are taken
The MAC Address of the ONU recorded with the target list item and the LLID values for distributing to ONU, what the target list item was recorded
The MAC Address of ONU is stored in the Destination Address domains of the DISCOVERY GATE messages；
The REPORT that the ONU that the MAC Address of the ONU that reception MAC Address is recorded with the target list item matches is returned
Message, the REPORT messages carry the LLID values extracted from the DISCOVERY GATE messages；
Confirm the corresponding ONU successful registrations of LLID values that the REPORT messages are carried, and the login state of ONU will be corresponded to
Labeled as registered.
Preferably, the process for receiving the REPORT messages that target ONU is returned, including：
In Grant#n start time domains and Grant#n Length domains that the DISCOVERY GATE messages are carried
In the distribution time slot for being characterized, the REPORT messages that target ONU is returned are received.
Preferably, the ONU that the MAC Address of the ONU for being recorded with the target list item in the reception MAC Address matches
After the REPORT messages of return, also include：
The value in Timestamp domains is read from the REPORT messages, the MAC Address is obtained with the target list item
The ONU that the MAC Address of the ONU for being recorded matches sends the time of the REPORT messages；
The time that the REPORT messages will be received subtracts the ONU that the MAC Address is recorded with the target list item
The ONU that matches of MAC Address send time of the REPORT messages, obtain round-trip delay RTT；
The ONU that the MAC Address of the ONU recorded with the target list item to the MAC Address matches sends and carries
The NORMAL GATE messages of the RTT.
A kind of Ethernet passive optical network-controlled method, including：
OLT every the corresponding default registration allocation list in the current PON ports of Preset Time run-down, match somebody with somebody by the default registration
Putting table includes multiple list items, and each list item is different, and each list item correspondence only one ONU, and each list item is each corresponded to
ONU belong to current PON ports, the list item at least records list item significance bit, the MAC Address of ONU, distributes to ONU's
The login state of LLID values and ONU；
The OLT scanning to one unregistered and list item significance bit is effective list item when, determine it is described unregistered and
List item significance bit is that effective list item is target list item；
The OLT sends the ONU, the DISCOVERY of DISCOVERY GATE messages to the current PON ports
GATE messages carry the MAC Address of the ONU that the target list item is recorded and distribute to the LLID values of ONU, the object table
The MAC Address of the ONU that item is recorded is stored in the Destination Address domains of the DISCOVERY GATE messages；
MAC Address responds the DISCOVERY with the ONU that the MAC Address of the ONU that the target list item is recorded matches
GATE messages, return carries the REPORT messages of the LLID values read from the DISCOVERY GATE messages；
What the ONU that the MAC Address that the OLT receives the ONU that MAC Address is recorded with the target list item matches was returned
REPORT messages；
The OLT confirms the corresponding ONU successful registrations of LLID values that the REPORT messages are carried, and by correspondence ONU's
Login state is labeled as registered.
Preferably, the ONU responses that the MAC Address of the ONU that MAC Address is recorded with the target list item matches are described
The process of DISCOVERY GATE messages, including：
The MAC Address of the ONU that the target list item that the ONU reads the DISCOVERY GATE messages carrying is recorded；
And,
It is determined that the MAC Address of ONU that the target list item is recorded situation about matching with the MAC Address of the ONU
Under, read and record the LLID values that the DISCOVERY GATE messages are carried；
Its login state is revised as successfully.
A kind of OLT, including：
Scan module, it is described for every the corresponding default registration allocation list in the current PON ports of Preset Time run-down
Default registration allocation list includes multiple list items, and each list item is different, and each list item correspondence only one ONU, each table
Each self-corresponding ONU of item belongs to current PON ports, and the list item at least records list item significance bit, the MAC Address of ONU, divides
The LLID values and the login state of ONU of dispensing ONU；
Determining module, for scanning to one unregistered and list item significance bit is effective list item when, it is determined that it is described not
Register and list item significance bit is as effective list item is target list item；
First sending module, the ONU for sending DISCOVERY GATE messages to the current PON ports is described
DISCOVERY GATE messages carry the MAC Address of the ONU that the target list item is recorded and distribute to the LLID values of ONU,
The MAC Address of the ONU that the target list item is recorded is stored in the Destination of the DISCOVERY GATE messages
In Address domains；
Receiver module, the ONU that the MAC Address for receiving the ONU that MAC Address is recorded with the target list item matches
The REPORT messages of return, the REPORT messages carry the LLID values extracted from the DISCOVERY GATE messages；
Confirm module, for confirming the corresponding ONU successful registrations of LLID values that the REPORT messages are carried, and will correspondence
The login state of ONU is labeled as registered.
Preferably, the receiver module includes：
Receiving unit, for the Grant#n start time domains that are carried in the DISCOVERY GATE messages and
In the distribution time slot that Grant#n Length domains are characterized, the REPORT messages that target ONU is returned are received.
Preferably, also include：
First read module, for reading the value in Timestamp domains from the REPORT messages, obtains the MAC
Address sends the time of the REPORT messages with the ONU that the MAC Address of the ONU that the target list item is recorded matches；
Computing module, the time for will receive the REPORT messages subtracts the MAC Address with the object table
The ONU that the MAC Address of the ONU that item is recorded matches sends the time of the REPORT messages, obtains round-trip delay RTT；
Second sending module, the MAC Address phase of the ONU for being recorded with the target list item to the MAC Address
The ONU for matching somebody with somebody sends the NORMAL GATE messages for carrying the RTT.
A kind of Ethernet passive optical network-controlled system, including：The OLT and ONU, wherein：
The ONU, for responding the DISCOVERY GATE messages that the OLT sends, return carries the LLID values
REPORT messages.
Preferably, the ONU includes：
Second read module, for reading the ONU that the target list item that the DISCOVERY GATE messages are carried is recorded
MAC Address；
Logging modle, for it is determined that the MAC Address of the MAC Address of ONU that is recorded of the target list item and the ONU
In the case of matching, the LLID values that the DISCOVERY GATE messages are carried are read and recorded；
Modified module, for its login state to be revised as successfully.
Compared with prior art, the application has the beneficial effect that：
In this application, OLT carries the MAC Address of the ONU that target list item is recorded by sending and distributes to ONU's
The DISCOVERY GATE messages of LLID values only receive the MAC Address of the ONU that MAC Address is recorded with target list item to after ONU
The REPORT messages that the target ONU for matching is returned, confirm that the corresponding ONU of LLID values that the REPORT messages are carried successfully is noted
Volume.
By the MAC Address of the ONU for only having the target list item entrained by DISCOVERY GATE messages to be recorded is corresponding
ONU (i.e. target ONU) can just return to REPORT messages, and OLT is corresponding pre- every the current PON ports of Preset Time run-down
If registration allocation list, therefore, the registration process of the application is that timesharing is carried out, and within a period of time, OLT only enters to an ONU
Row treatment, is man-to-man registration, is not in the situation that multiple ONU send registration request frame to OLT simultaneously, it is to avoid registration
Conflict.
Because OLT is only when scanning to unregistered and list item significance bit is effective list item, DISCOVERY can be just sent
GATE messages, are that ONU distributes up log-in window bandwidth, after all ONU successful registrations of current PON ports, Bu Huizai
Unregistered and list item significance bit is scanned for effective list item, also just stops sending DISCOVERY GATE messages, therefore will not
Reallocate up log-in window bandwidth, reduce bandwidth cost.
And, because ONU no longer returns to MAC Address to OLT, disabled user will be unable to intercept and capture the MAC ground of unregistered ONU
Location, therefore unregistered ONU cannot be pretended to be, the reliability of registration process is improve, reduce and cause EPON system running losses
Probability.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the present application, below will be to make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present application, for
For those of ordinary skill in the art, without having to pay creative labor, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 is a kind of flow chart of the Ethernet passive optical network-controlled method that the application is provided；
Fig. 2 is another flow chart of the Ethernet passive optical network-controlled method that the application is provided；
Fig. 3 is another flow chart for the Ethernet passive optical network-controlled method that the application is provided；
Fig. 4 is a kind of sub-process figure of the Ethernet passive optical network-controlled method that the application is provided；
Fig. 5 is a kind of structural representation of the OLT that the application is provided；
Fig. 6 is another structural representation of the OLT that the application is provided；
Fig. 7 is a kind of structural representation of the Ethernet passive optical network-controlled system that the application is provided；
Fig. 8 is a kind of structural representation of the ONU that the application is provided.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments.It is based on
Embodiment in the application, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of the application protection.
The Ethernet passive optical network-controlled method that the application is provided, used GATE messages in MPCP agreements and
REPORT messages, wherein, GATE messages are divided into DISCOVERY GATE messages and NORMAL GATE messages.In 802.3ah agreements
It is MAC Control (MAC controls multicast address) to define the Destination Address domains of GATE messages, in the application
The Destination Address domains of GATE messages are used to deposit single ONU MAC Address.
Embodiment one
Fig. 1 is referred to, a kind of flow chart of the Ethernet passive optical network-controlled method provided it illustrates the application can
To comprise the following steps：
Step S11：OLT is every the corresponding default registration allocation list in the current PON ports of Preset Time run-down.
In the present embodiment, the default registration allocation list includes multiple list items, and each list item is different, and each table
Item correspondence only one ONU, each self-corresponding ONU of each list item belong to current PON ports, and the list item has at least recorded table
Significance bit, the MAC Address of ONU, distribute to the LLID values of ONU and the login state of ONU.
It should be noted that each PON port is to that should have unique default registration allocation list, each PON port correspondence
Default registration allocation list it is different, but at least to have recorded list item effective for each list item in default registration allocation list
Position, the MAC Address of ONU, distribute to the LLID values of ONU and the login state of ONU.
Step S12：OLT scanning to one unregistered and list item significance bit is effective list item when, it is determined that described do not note
Volume and list item significance bit be effective list item be target list item.
Step S13：OLT sends the ONU, the DISCOVERY of DISCOVERY GATE messages to the current PON ports
GATE messages carry the MAC Address of the ONU that the target list item is recorded and distribute to the LLID values of ONU, the object table
The MAC Address of the ONU that item is recorded is stored in the Destination Address domains of the DISCOVERY GATE messages.
All ONU under current PON ports can be subject to the DISCOVERY GATE messages that OLT sends.
In the present embodiment, the Destination Address domains of DISCOVERY GATE messages are only used for described in storage
The MAC Address of the ONU that target list item is recorded.
Step S14：The ONU that the MAC Address that OLT receives the ONU that MAC Address is recorded with the target list item matches is returned
The REPORT messages for returning, the REPORT messages carry the LLID values extracted from the DISCOVERY GATE messages.
In the present embodiment, the REPORT messages carry the LLID extracted from the DISCOVERY GATE messages
Value is that the REPORT messages carry the ONU that the MAC Address of the ONU that MAC Address is recorded with the target list item matches,
From the LLID values that the DISCOVERY GATE messages are extracted.
In the present embodiment, in order to further improve the reliability of registration process, MAC Address and the mesh can be received
The process of the REPORT messages that the ONU that the MAC Address of the ONU that mark list item is recorded matches is returned further is constrained,
Specially：
In Grant#n start time domains and Grant#n Length domains that the DISCOVERY GATE messages are carried
In the distribution time slot for being characterized, the REPORT messages that target ONU is returned are received.
Step S15：OLT confirms the corresponding ONU successful registrations of LLID values that the REPORT messages are carried, and will correspondence
The login state of ONU is labeled as registered.
In the present embodiment, the MAC Address that ONU is the ONU that MAC Address is recorded with the target list item is corresponded to match
ONU.
OLT can be every the corresponding default registration allocation list in the current PON ports of Preset Time run-down, until the default note
No longer there is unregistered list item in volume allocation list, to complete the registration of all ONU to current PON ports.
Registration process shown in step S11 to step S15 belongs to of the control process in Ethernet passive optical network
Point.
In this application, OLT carries the MAC Address of the ONU that target list item is recorded by sending and distributes to ONU's
The DISCOVERY GATE messages of LLID values only receive the MAC Address of the ONU that MAC Address is recorded with target list item to after ONU
The REPORT messages that the target ONU for matching is returned, confirm that the corresponding ONU of LLID values that the REPORT messages are carried successfully is noted
Volume.
By the MAC Address of the ONU for only having the target list item entrained by DISCOVERY GATE messages to be recorded is corresponding
ONU (i.e. target ONU) can just return to REPORT messages, and OLT is corresponding pre- every the current PON ports of Preset Time run-down
If registration allocation list, therefore, the registration process of the application is that timesharing is carried out, and within a period of time, OLT only enters to an ONU
Row treatment, is man-to-man registration, is not in the situation that multiple ONU send registration request frame to OLT simultaneously, it is to avoid registration
Conflict.
Because OLT is only when scanning to unregistered and list item significance bit is effective list item, DISCOVERY can be just sent
GATE messages, are that ONU distributes up log-in window bandwidth, after all ONU successful registrations of current PON ports, Bu Huizai
Unregistered and list item significance bit is scanned for effective list item, also just stops sending DISCOVERY GATE messages, therefore will not
Reallocate up log-in window bandwidth, reduce bandwidth cost.
And, because ONU no longer returns to MAC Address to OLT, disabled user will be unable to intercept and capture the MAC ground of unregistered ONU
Location, therefore unregistered ONU cannot be pretended to be, the reliability of registration process is improve, reduce and cause to damage to EPON system operation
Lose.
Embodiment two
In the present embodiment, other one is expanded on the basis of the Ethernet passive optical network-controlled method shown in Fig. 1
Ethernet passive optical network-controlled method is planted, Fig. 2 is referred to, Fig. 2 shows the Ethernet passive optical network control that the application is provided
Another flow chart of method processed, may comprise steps of：
Step S21：OLT is every the corresponding default registration allocation list in the current PON ports of Preset Time run-down.
Step S22：OLT scanning to one unregistered and list item significance bit is effective list item when, it is determined that described do not note
Volume and list item significance bit be effective list item be target list item.
Step S23：OLT sends the ONU, the DISCOVERY of DISCOVERY GATE messages to the current PON ports
GATE messages carry the MAC Address of the ONU that the target list item is recorded and distribute to the LLID values of ONU, the object table
The MAC Address of the ONU that item is recorded is stored in the Destination Address domains of the DISCOVERY GATE messages.
Step S24：The ONU that the MAC Address that OLT receives the ONU that MAC Address is recorded with the target list item matches is returned
The REPORT messages for returning, the REPORT messages carry the target ONU and are extracted from the DISCOVERY GATE messages
LLID values.
Step S25：OLT confirms the corresponding ONU successful registrations of LLID values that the REPORT messages are carried, and will correspondence
The login state of ONU is labeled as registered.
Step S21, step S22, step S23, step S24 and the Ethernet passive optical network control shown in step S25 and Fig. 1
Step S11, step S12 in method processed, step S13, step S14 are identical with step S15, will not be repeated here.
Step S26：OLT reads the value in Timestamp domains from the REPORT messages, obtain the MAC Address with
The ONU that the MAC Address of the ONU that the target list item is recorded matches sends the time of the REPORT messages.
Step S27：The time that OLT will receive the REPORT messages subtracts the MAC Address with the target list item
The ONU that the MAC Address of the ONU for being recorded matches sends the time of the REPORT messages, obtains RTT (round trip
Time, round-trip delay).
Step S28：The ONU that the MAC Address of the ONU that OLT is recorded to the MAC Address with the target list item matches
Transmission carries the NORMAL GATE messages of the RTT.
OLT sends the NORMAL GATE messages for carrying the RTT to the ONU for completing registration, is completed for the ONU
With the time synchronized of the OLT, with the assigned timeslot that NORMAL GATE messages are carried return REPORT messages and/or industry
Business message is to OLT.
It should be noted that in the above-described embodiments, the list item in default registration allocation list has list item effective except recording
Outside the login state of position, the MAC Address of ONU, the LLID values for distributing to ONU and ONU, RTT values and ONU bands can also be carried
Configuration Values wide.Wherein, ONU band width configurations value is the bandwidth allocation cycle that OLT is distributed to ONU.Each ONU corresponds to unique
ONU band width configuration values.It can be seen that, each ONU has an ONU band width configuration value, therefore, each ONU has an opportunity to report
REPORT messages.
Embodiment three
In the present embodiment, the process for being interacted from OLT and ONU, the Ethernet passive optical network provided the application
Control method is illustrated, and refers to Fig. 3, and Fig. 3 shows the Ethernet passive optical network-controlled method of the application offer again
A kind of flow chart, may comprise steps of：
Step S31：OLT is described pre- every the corresponding default registration allocation list in the current PON ports of Preset Time run-down
If registration allocation list includes multiple list items, each list item is different, and each list item correspondence only one ONU, each list item
Each self-corresponding ONU belongs to current PON ports, and the list item at least records list item significance bit, the MAC Address of ONU, distribution
To the LLID values and the login state of ONU of ONU.
Step S32：The OLT scanning to one unregistered and list item significance bit is effective list item when, it is determined that described
Unregistered and list item significance bit is that effective list item is target list item.
Step S33：The OLT sends the ONU of DISCOVERY GATE messages to the current PON ports, described
DISCOVERY GATE messages carry the MAC Address of the ONU that the target list item is recorded and distribute to the LLID values of ONU,
The MAC Address of the ONU that the target list item is recorded is stored in the Destination of the DISCOVERY GATE messages
In Address domains.
The step in Ethernet passive optical network-controlled method shown in step S31, step S32 and step S33 and Fig. 1
S11, step S12 are identical with step S13, will not be repeated here.
Step S34：The ONU responses that the MAC Address of the ONU that MAC Address is recorded with the target list item matches are described
DISCOVERY GATE messages, return carries the REPORT reports of the LLID values read from the DISCOVERY GATE messages
Text.
In the present embodiment, the ONU that the MAC Address of the ONU that MAC Address is recorded with the target list item matches is from institute
Reading LLID values in DISCOVERY GATE messages are stated, and is recorded.
Step S35：What the MAC Address that the OLT receives the ONU that MAC Address is recorded with the target list item matched
The REPORT messages that ONU is returned, the REPORT messages carry the target ONU and are carried from the DISCOVERY GATE messages
The LLID values got.
Step S36：The OLT confirms the corresponding ONU successful registrations of LLID values that the REPORT messages are carried, and will be right
The login state of ONU is answered labeled as registered.
Step S14 in Ethernet passive optical network-controlled method and step shown in step S35 and step S36 and Fig. 1
S15 is identical, will not be repeated here.
In the present embodiment, the ONU responses that the MAC Address of the ONU that MAC Address is recorded with the target list item matches
The detailed process of the DISCOVERY GATE messages, refers to Fig. 4, and Fig. 4 shows the Ethernet passive light that the application is provided
A kind of sub-process figure of network control method, may comprise steps of：
Step S41：The ONU that the MAC Address of the ONU that MAC Address is recorded with the target list item matches, reads described
The MAC Address of the ONU that the target list item that DISCOVERY GATE messages are carried is recorded.
Step S42：The ONU that the MAC Address of the ONU that MAC Address is recorded with the target list item matches, it is determined that institute
State the ONU that target list item is recorded MAC Address match with the MAC Address of the ONU in the case of, read and record described
The LLID values that DISCOVERY GATE messages are carried.
Step S43：The ONU that the MAC Address of the ONU that MAC Address is recorded with the target list item matches, is registered
Status modifier is successfully.
In the present embodiment, it is known that the MAC Address of the only ONU that MAC Address is recorded with the target list item matches
ONU, can just return to REPORT messages to OLT, make that registration process is one-to-one to be carried out.
For foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as a series of combination of actions, but
It is that those skilled in the art should know, the application is not limited by described sequence of movement, because according to the application, certain
A little steps can sequentially or simultaneously be carried out using other.Secondly, those skilled in the art should also know, be retouched in specification
The embodiment stated belongs to preferred embodiment, necessary to involved action and module not necessarily the application.
Example IV
In the present embodiment, a kind of OLT that the application is provided is shown, Fig. 5 is referred to, Fig. 5 shows that the application is provided
OLT a kind of structural representation, OLT includes：Scan module 51, determining module 52, the first sending module 53, receiver module 54
With confirmation module 55.
Scan module 51, for every the corresponding default registration allocation list in the current PON ports of Preset Time run-down, institute
Stating default registration allocation list includes multiple list items, and each list item is different, and each list item correspondence only one ONU, each
Each self-corresponding ONU of list item belongs to current PON ports, the list item at least record list item significance bit, the MAC Address of ONU,
Distribute to the LLID values of ONU and the login state of ONU.
Determining module 52, for when scanning to a unregistered and list item significance bit is for effective list item, it is determined that described
Unregistered and list item significance bit is that effective list item is target list item.
First sending module 53, the ONU for sending DISCOVERY GATE messages to the current PON ports is described
DISCOVERY GATE messages carry the MAC Address of the ONU that the target list item is recorded and distribute to the LLID values of ONU,
The MAC Address of the ONU that the target list item is recorded is stored in the Destination of the DISCOVERY GATE messages
In Address domains.
Receiver module 54, what the MAC Address for receiving the ONU that MAC Address is recorded with the target list item matched
The REPORT messages that ONU is returned, the REPORT messages carry the target ONU and are carried from the DISCOVERY GATE messages
The LLID values got.
In the present embodiment, receiver module 54 includes：Receiving unit, for being carried in the DISCOVERY GATE messages
Grant#n start time domains and the distribution time slot that is characterized of Grant#n Length domains in, receive what target ONU was returned
REPORT messages.
Confirm module 55, for confirming the corresponding ONU successful registrations of LLID values that the REPORT messages are carried, and will be right
The login state of ONU is answered labeled as registered.
In the present embodiment, another OLT is also expanded on the basis of the OLT shown in Fig. 5, Fig. 6, Fig. 6 is referred to
Another structural representation of the OLT that the application is provided is shown, is also included on the basis of Fig. 5：First read module 61, meter
Calculate the sending module 63 of module 62 and second.
First read module 61, for reading the value in Timestamp domains from the REPORT messages, obtains described
MAC Address sends the time of the REPORT messages with the ONU that the MAC Address of the ONU that the target list item is recorded matches.
Computing module 62, the time for will receive the REPORT messages subtracts the MAC Address with the target
The ONU that the MAC Address of the ONU that list item is recorded matches sends the time of the REPORT messages, obtains round-trip delay RTT.
Second sending module 63, the MAC Address phase of the ONU for being recorded with the target list item to the MAC Address
The ONU of matching sends the NORMAL GATE messages for carrying the RTT.
Embodiment five
In the present embodiment, the Ethernet passive optical network-controlled system that the application is provided is shown, Fig. 7, Fig. 7 is referred to
Show a kind of structural representation of the Ethernet passive optical network-controlled system that the application is provided, Ethernet passive optical network control
System processed includes：OLT71 and ONU72.
OLT71 is identical with the OLT shown in example IV, will not be repeated here.
ONU72, for responding the DISCOVERY GATE messages that the OLT sends, return is carried from OLT71 hairs
The REPORT messages of the LLID values that the DISCOVERY GATE messages for sending are extracted.
In the present embodiment, ONU72 is the MAC Address of the ONU that MAC Address is recorded with the target list item and matches
ONU.
The concrete structure of ONU72 refers to Fig. 8, and Fig. 8 shows a kind of structural representation of the ONU that the application is provided,
ONU72 includes：Second read module 81, logging modle 82 and modified module 83.
Second read module 81, for reading what the target list item that the DISCOVERY GATE messages are carried was recorded
The MAC Address of ONU.
Logging modle 82, for it is determined that the MAC ground of the MAC Address of ONU that is recorded of the target list item and the ONU
In the case that location matches, the LLID values that the DISCOVERY GATE messages are carried are read and recorded.
Modified module 83, for its login state to be revised as successfully.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
For device class embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, related part ginseng
See the part explanation of embodiment of the method.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include that
A little key elements, but also other key elements including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", does not arrange
Except also there is other identical element in the process including the key element, method, article or equipment.
For convenience of description, it is divided into various units with function during description apparatus above to describe respectively.Certainly, this is being implemented
The function of each unit can be realized in same or multiple softwares and/or hardware during application.
As seen through the above description of the embodiments, those skilled in the art can be understood that the application can
Realized by the mode of software plus required general hardware platform.Based on such understanding, the technical scheme essence of the application
On the part that is contributed to prior art in other words can be embodied in the form of software product, the computer software product
Can store in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are used to so that a computer equipment
(can be personal computer, server, or network equipment etc.) performs some of each embodiment of the application or embodiment
Method described in part.
Ethernet passive optical network-controlled method provided herein, system and OLT are described in detail above,
Specific case used herein is set forth to the principle and implementation method of the application, and the explanation of above example is use
Understand the present processes and its core concept in help；Simultaneously for those of ordinary skill in the art, according to the application's
Thought, will change in specific embodiments and applications, and in sum, this specification content should not be construed as
Limitation to the application.
Claims (10)
1. a kind of Ethernet passive optical network-controlled method, it is characterised in that including：
Optical line terminal OLT every Preset Time run-down current passive fiber optic network PON ports, match somebody with somebody by corresponding default registration
Table is put, the default registration allocation list includes multiple list items, and each list item is different, and each list item correspondence only one light
NE ONU, each self-corresponding ONU of each list item belongs to current PON ports, and it is effective that the list item has at least recorded list item
Position, the MAC Address of ONU, distribute to the LLID values of ONU and the login state of ONU；And,
When scanning to a unregistered and list item significance bit is for effective list item, determine that described unregistered and list item significance bit is
Effective list item is target list item；
The ONU of DISCOVERY GATE messages to the current PON ports is sent, the DISCOVERY GATE messages are carried
The MAC Address of the ONU that the target list item is recorded and the LLID values for distributing to ONU, the ONU's that the target list item is recorded
MAC Address is stored in the Destination Address domains of the DISCOVERY GATE messages；
The REPORT messages that the ONU that the MAC Address of the ONU that reception MAC Address is recorded with the target list item matches is returned,
The REPORT messages carry the LLID values extracted from the DISCOVERY GATE messages；
Confirm the corresponding ONU successful registrations of LLID values that the REPORT messages are carried, and the login state of correspondence ONU is marked
For registered.
2. method according to claim 1, it is characterised in that the mistake of the REPORT messages that the reception target ONU is returned
Journey, including：
The Grant#n start time domains carried in the DISCOVERY GATE messages and Grant#n Length domains institute table
In the distribution time slot levied, the REPORT messages that target ONU is returned are received.
3. method according to claim 1, it is characterised in that remembered with the target list item in the reception MAC Address
After the REPORT messages that the ONU that the MAC Address of the ONU of record matches is returned, also include：
The value in Timestamp domains is read from the REPORT messages, the MAC Address is obtained and is remembered with the target list item
The ONU that the MAC Address of the ONU of record matches sends the time of the REPORT messages；
The time that the REPORT messages will be received subtracts the MAC of the ONU that the MAC Address is recorded with the target list item
The ONU of addresses match sends the time of the REPORT messages, obtains round-trip delay RTT；
The ONU transmissions that the MAC Address of the ONU recorded with the target list item to the MAC Address matches carry described
The NORMALGATE messages of RTT.
4. a kind of Ethernet passive optical network-controlled method, it is characterised in that including：
OLT is every the corresponding default registration allocation list in the current PON ports of Preset Time run-down, the default registration allocation list
Including multiple list items, each list item is different, and each list item correspondence only one ONU, each self-corresponding ONU of each list item
Current PON ports are belonged to, the list item at least records list item significance bit, the MAC Address of ONU, distributes to the LLID values of ONU
With the login state of ONU；
The OLT determines described unregistered and list item when scanning to a unregistered and list item significance bit is for effective list item
Significance bit is that effective list item is target list item；
The OLT sends the ONU of DISCOVERY GATE messages to the current PON ports, the DISCOVERY GATE reports
Text carries the MAC Address of the ONU that the target list item is recorded and distributes to the LLID values of ONU, and the target list item is remembered
The MAC Address of the ONU of record is stored in the Destination Address domains of the DISCOVERY GATE messages；
MAC Address responds the DISCOVERY with the ONU that the MAC Address of the ONU that the target list item is recorded matches
GATE messages, return carries the REPORT messages of the LLID values read from the DISCOVERY GATE messages；
What the ONU that the MAC Address that the OLT receives the ONU that MAC Address is recorded with the target list item matches was returned
REPORT messages；
The OLT confirms the corresponding ONU successful registrations of LLID values that the REPORT messages are carried, and will correspond to the registration of ONU
Status indication is registered.
5. method according to claim 4, it is characterised in that the ONU's that MAC Address is recorded with the target list item
The ONU that MAC Address matches responds the process of the DISCOVERY GATE messages, including：
The MAC Address of the ONU that the target list item that the ONU reads the DISCOVERY GATE messages carrying is recorded；And,
In the case of it is determined that the MAC Address of ONU that the target list item is recorded matches with the MAC Address of the ONU, read
Take and record the LLID values that the DISCOVERY GATE messages are carried；
Its login state is revised as successfully.
6. a kind of OLT, it is characterised in that including：
Scan module, it is described default for every the corresponding default registration allocation list in the current PON ports of Preset Time run-down
Registration allocation list includes multiple list items, and each list item is different, and each list item correspondence only one ONU, and each list item is each
Self-corresponding ONU belongs to current PON ports, and the list item at least records list item significance bit, the MAC Address of ONU, distributes to
The LLID values and the login state of ONU of ONU；
Determining module, for when scanning to a unregistered and list item significance bit is for effective list item, determining described unregistered
And list item significance bit is that effective list item is target list item；
First sending module, the ONU for sending DISCOVERY GATE messages to the current PON ports is described
DISCOVERY GATE messages carry the MAC Address of the ONU that the target list item is recorded and distribute to the LLID values of ONU,
The MAC Address of the ONU that the target list item is recorded is stored in the Destination of the DISCOVERY GATE messages
In Address domains；
Receiver module, the ONU that the MAC Address for receiving the ONU that MAC Address is recorded with the target list item matches is returned
REPORT messages, the REPORT messages carry the LLID values extracted from the DISCOVERY GATE messages；
Confirm module, for confirming the corresponding ONU successful registrations of LLID values that the REPORT messages are carried, and will correspondence ONU
Login state labeled as registered.
7. OLT according to claim 6, it is characterised in that the receiver module includes：
Receiving unit, for the Grant#n start time domains carried in the DISCOVERY GATE messages and Grant#n
In the distribution time slot that Length domains are characterized, the REPORT messages that target ONU is returned are received.
8. OLT according to claim 6, it is characterised in that also include：
First read module, for reading the value in Timestamp domains from the REPORT messages, obtains the MAC Address
The ONU that the MAC Address of the ONU recorded with the target list item matches sends the time of the REPORT messages；
Computing module, the time for will receive the REPORT messages subtracts the MAC Address with the target list item institute
The ONU that the MAC Address of the ONU of record matches sends the time of the REPORT messages, obtains round-trip delay RTT；
Second sending module, what the MAC Address of the ONU for being recorded with the target list item to the MAC Address matched
ONU sends the NORMALGATE messages for carrying the RTT.
9. a kind of Ethernet passive optical network-controlled system, it is characterised in that including：ONU and such as claim 6 to 8 are any one
OLT described in, wherein：
The ONU, for responding the DISCOVERY GATE messages that the OLT sends, return carries the REPORT of LLID values
Message.
10. system according to claim 9, it is characterised in that the ONU includes：
Second read module, the MAC for reading the ONU that the target list item that the DISCOVERY GATE messages are carried is recorded
Address；
Logging modle, for it is determined that the MAC Address phase of the MAC Address of ONU that is recorded of the target list item and the ONU
In the case of matching somebody with somebody, the LLID values that the DISCOVERY GATE messages are carried are read and recorded；
Modified module, for its login state to be revised as successfully.
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| CN106788925B (en) * | 2015-11-25 | 2019-09-10 | 中国电信股份有限公司 | For managing the method and optical line terminal of logical link identifier |
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| JP2001168861A (en) * | 1999-12-14 | 2001-06-22 | Fujitsu Ltd | Multicast system, multicast group management system, computer-readable recording medium for recording multicast group management program |
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