CN106161070A - A kind of xPON multicast service monitoring method, device and OLT device - Google Patents
A kind of xPON multicast service monitoring method, device and OLT device Download PDFInfo
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Abstract
The present invention provides a kind of xPON multicast service monitoring method, device and OLT device, and described method includes: the multicast service being detected port by the multicast service flow of optical line terminal OLT middle port is the most normal；When detecting that multicast service is abnormal, send the alarm signal that described port is corresponding；Wherein, described port includes source port and forwards port.By above-mentioned detection process, the trouble point in OLT can be found in time, thus before customer complaint, find fault and process accordingly and repair, decrease the time of fault discovery and process, improve the overall performance of network, and improve the satisfaction of user.
Description
Technical field
The present invention relates to point-to-multipoint and the point-to-point communication of Arbitrary Passive optical-fiber network in the access network of field
Technology, particularly to a kind of xPON multicast service monitoring method, device and OLT device.
Background technology
PON technology is the BPON technology of gigabit bandwidth-level.Passive optical network equipment according to
Working mechanism can be divided into passive optical network equipment (EPON, Ethernet Passive based on Ethernet
Optical Network), Gigabit Passive Optical Network equipment (G-PON, Gigabit-capable Passive
Optical Network) and the passive optical network equipment of other working mechanism；These EPONs set
Standby system architecture is consistent, all comprises optical line terminal (OLT, Optical Line Terminal) and light net
Network unit (ONU, Optical Network Unit), above-mentioned PON technology is referred to as xPON.At present
Obtain extensive commercial mainly Ethernet passive optical network (EPON) and gigabit passive optical network
(GPON) technology.
Compared with traditional access network technology and Ethernet Exchanger Technology, the physical layer of PON is that point is to many
The topological structure of point, its downlink data uses physical-layer broadcasts mode, say, that downlink data can quilt
It is sent to all of terminal unit (referring to optical network unit ONU) on this link.On the basis of physical layer,
PON link layer establishes point-to-point passage in logic, and therefore, common unicast service walks logic clean culture
Passage is sent to ONU.But for multicast service, it is intended to if also walking unicast channel
OLT does side substantial amounts of multicast packet packet replication, adds the complexity that equipment realizes, it is often more important that,
The duplicated multicast bag of big flow can cause the biggest waste to link bandwidth.Therefore, current PON
In, the characteristic that multicast service bag all make use of physical layer descending to broadcast directly is walked broadcast channel and is sent to
ONU。
For local side apparatus OLT, that the telecom carrier-class device of main flow uses on forwarding face is all PON
Plate, power board add the framework of upper connective plate.Therefore the duplication of usual multicast service will be in PON equipment
Multiple points are carried out, and such as multicast service wraps in be needed on power board to replicate between multiple PON plates,
PON plate needs replicate between multiple PON mouths.PON is copied to when multicast service is coated
During mouth rank, will not continue to replicate between ONU, but use descending multicast or broadcast channel
It is transmitted to ONU with single copy mode (SCB).
Along with xPON network is disposed on existing network in a large number, the operation maintenance of xPON equipment is got over by operator
Carrying out more specification, the stability requirement to business is more and more higher.But, due to each side, xPON
Equipment there will be the problem in terms of business in actual motion unavoidably, and multicast is as a kind of critically important business
The most also there will be various problem.When generally occurring within fault, attendant is to wait user's report passive
Barrier, goes to scene to process the most again, inefficient, is also easily caused customer complaint, reduces user
Experience.
Summary of the invention
The present invention provides a kind of xPON multicast service monitoring method, device and OLT device, is used for solving
Need time in prior art of determining owing to breaking down to wait that user side reports ability handling failure to be caused
The problem that troubleshooting postpones and reduces Consumer's Experience.
In order to solve above-mentioned technical problem, embodiments provide a kind of EPON xPON group
Broadcasting business monitoring method, described method includes:
The multicast service being detected port by the multicast service flow of optical line terminal OLT middle port is
No normally；
When detecting that multicast service is abnormal, send the alarm signal that described port is corresponding；Wherein, institute
State port include source port and forward port.
Preferably, the described multicast service flow by OLT middle port detects the multicast service of port
The most normal as follows one or more are carried out:
Detect at predetermined intervals；
Detect when receiving multicast and joining message；
Detect receiving when multicast leaves message.
Preferably, described carry out detection at predetermined intervals and include:
Each assembly in the olt is respectively provided with intervalometer, when intervalometer timing is to the predetermined time
During interval, the multicast service starting detection port detects process, wherein, described assembly bag the most normally
Include one or more in power board, PON plate or master control borad；
Wherein, the multicast service at every time detection port detects process when completing the most normally, by described
Intervalometer resets.
Preferably, the described multicast service flow by OLT middle port detects the multicast service of port
The most normally specifically include:
Calculate the theoretical multicast service flow that described port is corresponding；
Inquire about the actual multicast service flow that described port is corresponding；
By the most described theoretical multicast service flow and described actual multicast service flow, it is judged that described end
The multicast service of mouth is the most normal.
Preferably, when described port is source port, the actual multicast service flow that described port is corresponding is
The multicast service flow of the actual reception of this port；
The theoretical group business stream amount that the described port of described calculating is corresponding specifically includes:
Scanning multicast group dynamic member table, determines the information of the multicast group being active on this OLT；
Information and multicast member table according to the described multicast group being active determine that source port is corresponding
Multicast group information；The multicast group information corresponding according to port and multicast group bandwidth table are calculated described source
The theoretical multicast service flow that port is corresponding.
Preferably, when described port is for forwarding port, the actual multicast service flow that described port is corresponding
Multicast service flow for the actual transmission of this port；
The theoretical group business stream amount that the described port of described calculating is corresponding specifically includes:
Scanning multicast group dynamic member table, determines the information of the multicast group being active on this OLT；
According to multicast member and forwarding port relation table and the described letter determining the multicast group being active
What breath had a multicast service forwards multicast group information corresponding to port；According to the multicast that described forwarding port is corresponding
Group information and multicast group bandwidth table calculate the theoretical multicast service flow that described forwarding port is corresponding.
Preferably, described by the most described theoretical multicast service flow and described actual group business stream
Amount, it is judged that whether the multicast service of described port is sentenced normal through one or more in following manner
Disconnected:
When described actual multicast service flow is less than described theoretical multicast service flow, and both differences
When absolute value is more than the first predetermined threshold value, it is judged that described port is abnormal；
When described actual multicast service flow is less than described theoretical multicast service flow, and described actual multicast
When service traffics are less than the second predetermined threshold value, it is judged that described port is abnormal.
In order to solve above-mentioned technical problem, present invention also offers a kind of EPON xPON multicast industry
Business supervising device, described device includes:
Detector unit, detects port by the multicast service flow of optical line terminal OLT middle port
Multicast service is the most normal；
Notification unit, when detecting that multicast service is abnormal, sends the alarm signal that described port is corresponding；
Wherein, described port includes source port and forwards port.
Preferably, described detector unit as follows one or more detect:
Detect at predetermined intervals；
Detect when receiving multicast and joining message；
Detect receiving when multicast leaves message.
Preferably, described detector unit includes:
Theoretical delivery computing module, for calculating the theoretical multicast service flow that described port is corresponding；
Actual flow enquiry module, for inquiring about the actual multicast service flow that described port is corresponding；
Comparison module, for by the most described theoretical multicast service flow and described actual group business stream
Amount, it is judged that the multicast service of described port is the most normal.
Preferably, described theoretical delivery computing module includes:
First calculating sub module, for when described port is source port, scans multicast group dynamic member table,
Determine the information of the multicast group being active on this OLT；According to the described group being active
Information and the multicast member table of broadcasting group determine the multicast group information that source port is corresponding；Corresponding according to port
Multicast group information and multicast group bandwidth table are calculated the theoretical group business stream that described source port is corresponding
Amount.
Preferably, described theoretical delivery computing module includes:
Second calculating sub module, for when described port is for forwarding port, scanning multicast group dynamic member
Table, determines the information of the multicast group being active on this OLT；According to multicast member and forwarding end
Mouth relation table and the described information determining the multicast group being active have the forwarding end of multicast service
The multicast group information that mouth is corresponding；The multicast group information corresponding according to described forwarding port and multicast group bandwidth
Table calculates the theoretical multicast service flow that described forwarding port is corresponding.
Preferably, described comparison module in the following way in one or more judge:
When described actual multicast service flow is less than described theoretical multicast service flow, and both differences
When absolute value is more than the first predetermined threshold value, it is judged that described port is abnormal；
When described actual multicast service flow is less than described theoretical multicast service flow, and described actual multicast
When service traffics are less than the second predetermined threshold value, it is judged that described port is abnormal.
In order to solve above-mentioned technical problem, present invention also offers a kind of optical line terminal OLT, its feature
Being, described OLT includes any of the above-described xPON multicast service supervising device.
The beneficial effect comprise that
In the xPON multicast service monitoring method that the embodiment of the present invention provides, the group to OLT middle port
Whether business of broadcasting is normally carried out detection, when detecting that multicast service is abnormal, sends the warning of correspondence
Signal, by above-mentioned detection process, can find the trouble point in OLT in time, thus throw user
Tell and find fault processing accordingly and repair before, decrease fault discovery and process time
Between, improve the overall performance of network, and improve the satisfaction of user.
Accompanying drawing explanation
A kind of xPON networking structure schematic diagram that Fig. 1 provides for the embodiment of the present invention；
The flow process signal of a kind of xPON multicast service monitoring method that Fig. 2 provides for the embodiment of the present invention
Figure；
The flow process signal of a kind of xPON multicast service monitoring method that Fig. 3 provides for the embodiment of the present invention
Figure；
Fig. 4 A and Fig. 4 B is respectively a kind of xPON multicast service monitoring method that the embodiment of the present invention provides
The schematic flow sheet of middle step S203；
Fig. 5 is the structural representation of the xPON multicast service supervising device that the embodiment of the present invention also provides for.
Detailed description of the invention
For making those skilled in the art be more fully understood that technical scheme, the most right
A kind of EPON xPON multicast service monitoring method and apparatus that the embodiment of the present invention provides is carried out in detail
Thin description.
Introducing between the xPON multicast service monitoring method that the embodiment of the present invention provides, first by right
XPON networking structure carries out exemplary introduction.Refer to Fig. 1, provided for the embodiment of the present invention
Kind of xPON networking structure schematic diagram, as it is shown in figure 1, xPON networking structure includes OLT and multiple
ONU, OLT100 include upper connective plate 110, power board 120 and PON plate 130, upper connective plate 110
The port that sends be connected to the source port of power board 120, each of power board 120 sends port and is connected to
The source port of PON plate 130, the transmission port of PON plate 130 is as the transmission port of OLT100, respectively
The port that sends of individual PON plate 130 is respectively connecting to the input of ODN200, the output of ODN200
End is respectively connecting to each ONU300.
OLT100, for starting the discovery procedure of ONU300, completes ONU300 on OLT100
Registration and certification.Associated traffic data is configured for ONU300.Business is divided into unicast service and multicast service.
Wherein relevant to multicast business datum includes but is not limited to multicast member table and multicast group bandwidth table.ONU
After reaching the standard grade, OLT completes the foundation of this ONU multicast service channel according to above-mentioned configuration data.And safeguard
Relevant dynamic data, these dynamic datas include but not limited to multicast group dynamic member table and multicast member
With internal port relation table.
ODN200, for connecting the ONU300 that quantity does not waits, as OLT100 under OLT100
And direct physical connection passage between ONU300, may be combined by multiple physical devices.
ONU300, it is achieved user's clean culture accesses, according to the behavior of terminal use with the final of multicast service
Send multicast to join message or multicast leaves message；Accept the management of OLT100, and according to OLT100
Instruction respond.
As a example by Fig. 1, in the case of only one piece of power board, the copy-point of the internal multicast service of OLT
Power board 120 and PON plate 130, power board 120 is mainly had to be responsible for the packet of multicast service message
Copying to each PON plate 130, PON plate 130 is then responsible for multicast service message to copy to each
Sending end mouth, i.e. PON mouth.Wherein, the power board 120 and PON plate 130 in OLT100 passes through
Dynamic protocol controls to forward packet.ODN200 is passive device, by the packet of input
It is sent to all of outfan.Control power board 120 or PON plate 130 according to dynamic protocol will determine that
Send assembly that port connects whether in the member of multicast group corresponding to packet, if it is, pass through
Corresponding port sends packet.For each ONU300, when source port receives packet,
ONU300 will determine that self whether in the member of multicast group corresponding to packet, if it is, receive
Corresponding packet, otherwise, will abandon this packet.
When OLT receives packet by upper connective plate 110, packet is passed through power board by upper connective plate 110
The source port of 120 is sent to power board, and according to dynamic protocol control, packet is each from power board 120
Individual transmission port sends, and inputs from the source port of PON plate 130, also according to dynamic protocol control,
Packet is sent by power board 120 from one or more transmission ports.Each assembly in OLT is come
Saying, upper connective plate 110, power board 120 and PON plate 130 include each self-corresponding source port and transmission
Port, for OLT, each assembly send port be the forwarding port in OLT, following respectively
Each transmission port is collectively referred to as forwarding port to illustrate by individual exemplary embodiment.
It is appreciated that in above-mentioned example that the realization of xPON networking structure and the multicast service provided is to show
Example illustrates, the realization of xPON networking structure and multicast service can also use other mode.
Refer to Fig. 2, for the stream of a kind of xPON multicast service monitoring method that the embodiment of the present invention provides
Journey schematic diagram, as in figure 2 it is shown, described method includes:
Step S100, the multicast service being detected port by the multicast service flow of OLT middle port is
No normally；
Step S200, when detecting that multicast service is abnormal, sends the alarm signal that described port is corresponding.
Wherein, described port includes source port and forwards port.
Preferably, the described multicast service flow by OLT middle port detects the multicast service of port
The most normal as follows one or more are carried out:
Detect at predetermined intervals；
Detect when receiving multicast and joining message；
Detect receiving when multicast leaves message；
In the embodiment of the present invention, described carry out detection at predetermined intervals and include:
Intervalometer is set in the olt, when intervalometer timing to predetermined time interval, starts detection
The multicast service of port detects process the most normally, wherein it is possible to set in each assembly in the olt
Putting intervalometer, described assembly includes one or more in power board, PON plate or master control borad.Also may be used
So that an assembly in the olt to arrange intervalometer, it is preferable that timing can be arranged in power board
Device.
In the embodiment of the present invention, join message or time multicast leaves message receiving multicast, it will start
The multicast service of detection port detects process, the most normally after detection process completes, by described fixed
Time device reset.
In the embodiment of the present invention, step S100 specifically includes:
Step S110, calculates the theoretical multicast service flow that described port is corresponding；
Step S120, inquires about the actual multicast service flow that described port is corresponding；Wherein it is possible to from hardware
The actual multicast service flow that each port of upper inquiry is corresponding.
Step S130, by the most described theoretical multicast service flow and described actual multicast service flow,
Judge that the multicast service of described port is the most normal.
In the embodiment of the present invention, when described port is source port, the actual multicast industry that described port is corresponding
Business flow is the multicast service flow of the actual reception of this port；Step S110 specifically includes:
Step S111, scans multicast group dynamic member table, determines the group being active on this OLT
Broadcast the information of group；Information and multicast member table according to the described multicast group being active determine source
The multicast group information that port is corresponding；The multicast group information corresponding according to port and multicast group bandwidth table calculate
Obtain the theoretical multicast service flow that described source port is corresponding.Wherein, by multicast group dynamic member table,
ONU can be read join the information of multicast group, may thereby determine that and be active on OLT
The information of multicast group.
When described port is for forwarding port, the actual multicast service flow that described port is corresponding is this port
The actual multicast service flow sent；Step S110 specifically includes:
Step S112, scans multicast group dynamic member table, determines the group being active on this OLT
Broadcast the information of group；According to multicast member with forward port relation table and described determine be active
What the information of multicast group had a multicast service forwards multicast group information corresponding to port；According to described forwarding port
Corresponding multicast group information and multicast group bandwidth table calculate the theoretical multicast industry that described forwarding port is corresponding
Business flow.Wherein, by multicast group dynamic member table, ONU can be read and join the letter of multicast group
Breath, may thereby determine that the information of the multicast group being active on OLT.
In the embodiment of the present invention, described by the most described theoretical multicast service flow and described actual multicast
Service traffics, it is judged that whether the multicast service of described port is normal through one or more in following manner
Judge:
When described actual multicast service flow is less than described theoretical multicast service flow, and both differences
When absolute value is more than the first predetermined threshold value, then judge that described port is abnormal；
When described actual multicast service flow is less than described theoretical multicast service flow, and described actual multicast
When service traffics are less than the second predetermined threshold value, then judge that described port is abnormal.
In the embodiment of the present invention, detect port at the described multicast service flow by OLT middle port
Multicast service whether normal before also include:
Safeguarding configuration data in the olt, described configuration data include one or more in following data:
Multicast member table, multicast group bandwidth table, multicast group dynamic member table, multicast member are with internal
Port relation table, wherein, described multicast member and internal port relation table save multicast member with
Forward port relation table.
Wherein, multicast member table includes by configuring the M-VLAN of generation, multicast group address, group
Broadcasting group source port and receiving port, wherein, the receiving port of multicast group i.e. multicast member information, at xPON
Be the information of ONU in equipment, i.e. OLT sends the information of the ONU that port connects.
Multicast group bandwidth table is used for preserving each multicast group desire bandwidth；It is used for sending by certain port
The business of how many multicast group, and the bandwidth needed for each multicast group, just can calculate this port should
The theoretical value of the bandwidth traffic of this transmission.
Multicast member and internal port relation table are used for preserving multicast member and forwarding port relation table, note
The service channel recording certain multicast member and arrive this member the internal port of process, i.e. forward between port
Corresponding relation；Multicast dynamic member table is used for recording current multicast group dynamic member information.
When there being new multicast member to add certain multicast group, or certain multicast member leaves multicast
During group, OLT will update the multicast group dynamic member information of correspondence in multicast dynamic member table.
In the embodiment of the present invention, the alarm signal that described port is corresponding includes:
Described alarm signal includes anomalous content and anomaly source port position corresponding to described anomalous content
Or extremely forward port position；
In step S100, the described multicast service flow by OLT middle port detects the multicast of port
Also include after business is the most normal: step S300, when detecting that multicast service is normal, send described
Normally work cue.
The embodiment of the present invention includes being said as a example by power board 120 and PON plate 130 by OLT
Bright, additionally, OLT is likely to include master control borad, master control borad, when OLT includes master control borad,
Equally each port of master control borad is detected.
Illustrate below in conjunction with concrete enforcement scene.Monitor at the xPON multicast service shown in Fig. 2
On the basis of method, embodiments provide another kind of xPON multicast service monitoring method.Please join
Read Fig. 3, for the embodiment of the present invention provide a kind of xPON multicast service monitoring method schematic flow sheet,
As it is shown on figure 3, described method includes:
S201: safeguard configuration data in the olt.
Described configuration data include one or more in following data: multicast member table, multicast group band
Wide table, multicast group dynamic member table, multicast member and internal port relation table, wherein, described multicast
Group membership and internal port relation table save multicast member and forward port relation table.
S202: start intervalometer in the olt, when intervalometer timing arrives predetermined value, performs step
S100。
By intervalometer, can periodically must be to the reception multicast data flow of the source port of each assembly in OLT
The transmitted traffic of amount and each forwarding port is scanned and monitors, and by the reception multicast of source port
The transmitted traffic of flow and each forwarding port judges that multicast service is the most normal.
S203: when receiving multicast and joining message, multicast dynamic member table is entered after processing by multicast protocol
Row increases, and performs step S100.
When new ONU adds fashionable, or after certain ONU application certain multicast group of addition, OLT
To receive multicast to join message, multicast dynamic member table is increased after processing by multicast protocol.
S204: when receiving multicast and leaving message, multicast dynamic member table is entered after processing by multicast protocol
Row is deleted, performs step S100.
When xPON there being ONU leave, or certain ONU application exit certain multicast group after,
OLT will receive multicast and leave message, and multicast dynamic member table is deleted after processing by multicast protocol.
Step S100, the multicast service being detected port by the multicast service flow of OLT middle port is
No normally.
Step S100 also includes, reset intervalometer.
And, step S200, when detecting that multicast service is abnormal, send the report that described port is corresponding
Alert signal.
In the embodiment of the present invention, it is also possible to actively triggered by manmachine command, webmaster or other operational system
Testing process in step S100, carries out the monitoring of flux of multicast, and the intervalometer that resets.
In the embodiment of the present invention, on the basis of the xPON multicast service monitoring method shown in Fig. 3, this
Inventive embodiments provides another xPON multicast service monitoring method.Refer to Fig. 4 A, for this
The schematic flow sheet of step S203 in a kind of xPON multicast service monitoring method that bright embodiment provides,
As shown in Figure 4 A, step S203 specifically includes:
Step S2031, OLT receives after the multicast of ONU joins message, first according to multicast protocol at
According to multicast protocol, reason, i.e. determines whether that this ONU adds the multicast group of application.
Step S2032, if allowing this ONU to add the multicast group of application, then updates multicast and dynamically becomes
Member's table；
Step S2033, if this ONU is first dynamic member of this multicast group, then performs step
S100,
Step S100, the multicast service being detected port by the multicast service flow of OLT middle port is
No normally.
And, step S200, when detecting that multicast service is abnormal, send the report that described port is corresponding
Alert signal.
In the embodiment of the present invention, on the basis of the xPON multicast service monitoring method shown in Fig. 3, this
Inventive embodiments provides another xPON multicast service monitoring method.Refer to Fig. 4 B, for the present invention
The schematic flow sheet of step S203 in a kind of xPON multicast service monitoring method that embodiment provides, as
Shown in Fig. 4 B, step S203 also includes:
Step S2035, when the multicast that OLT receives ONU leaves message, first according to multicast protocol
Process, i.e. determine whether that this ONU leaves the multicast group of application according to multicast protocol.
Step S2036, if allowing this ONU to leave the multicast group of application, then updates multicast and dynamically becomes
Member's table；
Step S2037, if this ONU is last dynamic member of this multicast group, then performs step
Rapid S100,
Step S100, the multicast service being detected port by the multicast service flow of OLT middle port is
No normally.
And, step S200, when detecting that multicast service is abnormal, send the report that described port is corresponding
Alert signal.
Based on design same or analogous with said method embodiment, the embodiment of the present invention also provides for one
XPON multicast service supervising device, refers to Fig. 5, the xPON group also provided for for the embodiment of the present invention
Broadcast the structural representation of business monitoring device: as it is shown in figure 5, described EPON xPON multicast industry
Business supervising device includes:
Detector unit 10, detects port by the multicast service flow of optical line terminal OLT middle port
Multicast service the most normal；
Notification unit 20, when detecting that multicast service is abnormal, sends the alarm signal that described port is corresponding
Number；Wherein, described port includes source port and forwards port.
In the embodiment of the present invention, described detector unit 10 as follows one or more detect:
Detect at predetermined intervals；
Detect when receiving multicast and joining message；
Detect receiving when multicast leaves message.
In the embodiment of the present invention, described detector unit 10 includes:
Theoretical delivery computing module 11, for calculating the theoretical multicast service flow that described port is corresponding；
Actual flow enquiry module 12, for inquiring about the actual multicast service flow that described port is corresponding；
Comparison module 13, for by the most described theoretical multicast service flow and described actual multicast service
Flow, it is judged that the multicast service of described port is the most normal.
In the embodiment of the present invention, described theoretical delivery computing module 11 includes:
First calculating sub module 111, for when described port is source port, scanning multicast group dynamically becomes
Member's table, determines the information of the multicast group being active on this OLT；It is in activation shape according to described
Information and the multicast member table of the multicast group of state determine the multicast group information that source port is corresponding；According to port
Corresponding multicast group information and multicast group bandwidth table are calculated the theoretical multicast that described source port is corresponding
Service traffics.
In the embodiment of the present invention, described theoretical delivery computing module 11 includes:
Second calculating sub module 112, for when described port is for forwarding port, scanning multicast group is dynamic
Membership table, determines the information of the multicast group being active on this OLT；According to multicast member with turn
Make a start mouthful relation table and the described information determining the multicast group being active has turning of multicast service
The multicast group information that mouth of making a start is corresponding；The multicast group information corresponding according to described forwarding port and multicast group
Bandwidth table calculates the theoretical multicast service flow that described forwarding port is corresponding.
In the embodiment of the present invention, described comparison module 13 in the following way in one or more carry out
Judge:
When described actual multicast service flow is less than described theoretical multicast service flow, and both differences
When absolute value is more than the first predetermined threshold value, it is judged that described port is abnormal；
When described actual multicast service flow is less than described theoretical multicast service flow, and described actual multicast
When service traffics are less than the second predetermined threshold value, it is judged that described port is abnormal.
Described device also includes dispensing unit 30, and described dispensing unit 30 is for safeguarding configuration in the olt
Data, described configuration data include one or more in following data:
Multicast member table, multicast group bandwidth table, multicast group dynamic member table, multicast member are with internal
Port relation table, wherein, described multicast member and internal port relation table save multicast member with
Forward port relation table.
Described notification unit 20 is additionally operable to when detecting that multicast service is normal, sends described normal work
Cue.
Based on same as the previously described embodiments or similar design, the embodiment of the present invention also provides for a kind of OLT,
Described OLT includes arbitrary xPON multicast service supervising device that the embodiment of the present invention provides.
It is understood that the principle that is intended to be merely illustrative of the present of embodiment of above and showing of using
Example embodiment, but the invention is not limited in this.For one of ordinary skilled in the art
Speech, without departing from the spirit and substance in the present invention, can make various modification and improvement, this
A little modification and improvement are also considered as protection scope of the present invention.
Claims (14)
1. an EPON xPON multicast service monitoring method, it is characterised in that described method
Including:
The multicast service being detected port by the multicast service flow of optical line terminal OLT middle port is
No normally；
When detecting that multicast service is abnormal, send the alarm signal that described port is corresponding；Wherein, institute
State port include source port and forward port.
2. the method for claim 1, it is characterised in that
The multicast service that the described multicast service flow by OLT middle port detects port is the most normal
As follows one or more are carried out:
Detect at predetermined intervals；
Detect when receiving multicast and joining message；
Detect receiving when multicast leaves message.
3. method as claimed in claim 2, it is characterised in that described at predetermined intervals
Carry out detection to include:
Each assembly in the olt is respectively provided with intervalometer, when intervalometer timing is to the predetermined time
During interval, the multicast service starting detection port detects process, wherein, described assembly bag the most normally
Include one or more in power board, PON plate or master control borad；
Wherein, the multicast service at every time detection port detects process when completing the most normally, by described
Intervalometer resets.
4. the method for claim 1, it is characterised in that the described group by OLT middle port
Broadcast service traffics the most normally to specifically include to the multicast service detecting port:
Calculate the theoretical multicast service flow that described port is corresponding；
Inquire about the actual multicast service flow that described port is corresponding；
By the most described theoretical multicast service flow and described actual multicast service flow, it is judged that described end
The multicast service of mouth is the most normal.
5. method as claimed in claim 4, it is characterised in that when described port is source port,
The multicast service flow that actual multicast service flow is the actual reception of this port that described port is corresponding；
The theoretical group business stream amount that the described port of described calculating is corresponding specifically includes:
Scanning multicast group dynamic member table, determines the information of the multicast group being active on this OLT；
Information and multicast member table according to the described multicast group being active determine that source port is corresponding
Multicast group information；The multicast group information corresponding according to port and multicast group bandwidth table are calculated described source
The theoretical multicast service flow that port is corresponding.
6. method as claimed in claim 4, it is characterised in that when described port is for forwarding port,
The multicast service flow that actual multicast service flow is the actual transmission of this port that described port is corresponding；
The theoretical group business stream amount that the described port of described calculating is corresponding specifically includes:
Scanning multicast group dynamic member table, determines the information of the multicast group being active on this OLT；
According to multicast member and forwarding port relation table and the described letter determining the multicast group being active
What breath had a multicast service forwards multicast group information corresponding to port；According to the multicast that described forwarding port is corresponding
Group information and multicast group bandwidth table calculate the theoretical multicast service flow that described forwarding port is corresponding.
7. method as claimed in claim 4, it is characterised in that
Described by the most described theoretical multicast service flow and described actual multicast service flow, it is judged that institute
Whether the multicast service stating port judges normal through one or more in following manner:
When described actual multicast service flow is less than described theoretical multicast service flow, and both differences
When absolute value is more than the first predetermined threshold value, it is judged that described port is abnormal；
When described actual multicast service flow is less than described theoretical multicast service flow, and described actual multicast
When service traffics are less than the second predetermined threshold value, it is judged that described port is abnormal.
8. an EPON xPON multicast service supervising device, it is characterised in that described device
Including:
Detector unit, detects port by the multicast service flow of optical line terminal OLT middle port
Multicast service is the most normal；
Notification unit, when detecting that multicast service is abnormal, sends the alarm signal that described port is corresponding；
Wherein, described port includes source port and forwards port.
9. device as claimed in claim 8, it is characterised in that
Described detector unit as follows one or more detect:
Detect at predetermined intervals；
Detect when receiving multicast and joining message；
Detect receiving when multicast leaves message.
10. device as claimed in claim 8, it is characterised in that described detector unit includes:
Theoretical delivery computing module, for calculating the theoretical multicast service flow that described port is corresponding；
Actual flow enquiry module, for inquiring about the actual multicast service flow that described port is corresponding；
Comparison module, for by the most described theoretical multicast service flow and described actual group business stream
Amount, it is judged that the multicast service of described port is the most normal.
11. devices as claimed in claim 10, it is characterised in that described theoretical delivery computing module
Including:
First calculating sub module, for when described port is source port, scans multicast group dynamic member table,
Determine the information of the multicast group being active on this OLT；According to the described group being active
Information and the multicast member table of broadcasting group determine the multicast group information that source port is corresponding；Corresponding according to port
Multicast group information and multicast group bandwidth table are calculated the theoretical group business stream that described source port is corresponding
Amount.
12. devices as claimed in claim 10, it is characterised in that described theoretical delivery computing module
Including:
Second calculating sub module, for when described port is for forwarding port, scanning multicast group dynamic member
Table, determines the information of the multicast group being active on this OLT；According to multicast member and forwarding end
Mouth relation table and the described information determining the multicast group being active have the forwarding end of multicast service
The multicast group information that mouth is corresponding；The multicast group information corresponding according to described forwarding port and multicast group bandwidth
Table calculates the theoretical multicast service flow that described forwarding port is corresponding.
13. devices as claimed in claim 10, it is characterised in that
Described comparison module in the following way in one or more judge:
When described actual multicast service flow is less than described theoretical multicast service flow, and both differences
When absolute value is more than the first predetermined threshold value, it is judged that described port is abnormal；
When described actual multicast service flow is less than described theoretical multicast service flow, and described actual multicast
When service traffics are less than the second predetermined threshold value, it is judged that described port is abnormal.
14. 1 kinds of optical line terminal OLT, it is characterised in that described OLT includes claim 8～13
According to any one of xPON multicast service supervising device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510185707.9A CN106161070B (en) | 2015-04-17 | 2015-04-17 | xPON multicast service monitoring method and device and OLT equipment |
| PCT/CN2016/075215 WO2016165503A1 (en) | 2015-04-17 | 2016-03-01 | Method and apparatus for monitoring xpon multicast service, and olt device |
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| CN201510185707.9A CN106161070B (en) | 2015-04-17 | 2015-04-17 | xPON multicast service monitoring method and device and OLT equipment |
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| CN112636944A (en) * | 2019-10-09 | 2021-04-09 | 中盈优创资讯科技有限公司 | OLT equipment offline intelligent diagnosis method and system |
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| CN101047444A (en) * | 2006-04-28 | 2007-10-03 | 华为技术有限公司 | Method for optical network unit depart from multicast set in passive optical network system |
| CN101516046A (en) * | 2009-03-18 | 2009-08-26 | 深圳市讯达康通讯设备有限公司 | Transmission method of Ethernet passive optical network |
| CN102148723A (en) * | 2011-01-31 | 2011-08-10 | 中兴通讯股份有限公司 | Method and terminal for detecting multicast service quality |
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| JP2008131060A (en) * | 2006-11-16 | 2008-06-05 | Seiko Epson Corp | Receiving device and operation state reporting method |
| CN103546321B (en) * | 2013-10-24 | 2016-10-12 | 杭州华三通信技术有限公司 | A kind of RPR administration of energy conservation method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101047444A (en) * | 2006-04-28 | 2007-10-03 | 华为技术有限公司 | Method for optical network unit depart from multicast set in passive optical network system |
| CN101516046A (en) * | 2009-03-18 | 2009-08-26 | 深圳市讯达康通讯设备有限公司 | Transmission method of Ethernet passive optical network |
| CN102148723A (en) * | 2011-01-31 | 2011-08-10 | 中兴通讯股份有限公司 | Method and terminal for detecting multicast service quality |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112636944A (en) * | 2019-10-09 | 2021-04-09 | 中盈优创资讯科技有限公司 | OLT equipment offline intelligent diagnosis method and system |
| CN112636944B (en) * | 2019-10-09 | 2022-11-15 | 中盈优创资讯科技有限公司 | OLT equipment offline intelligent diagnosis method and system |
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| WO2016165503A1 (en) | 2016-10-20 |
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