CN109379133A - The processing method and system of PON network packet loss - Google Patents
The processing method and system of PON network packet loss Download PDFInfo
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- CN109379133A CN109379133A CN201811512580.7A CN201811512580A CN109379133A CN 109379133 A CN109379133 A CN 109379133A CN 201811512580 A CN201811512580 A CN 201811512580A CN 109379133 A CN109379133 A CN 109379133A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0791—Fault location on the transmission path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/03—Arrangements for fault recovery
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Abstract
The invention discloses the processing methods and system of a kind of PON network packet loss, are related to PON network analysis field.When the step of this method, includes: PON network packet loss, packet capturing is carried out at the upper united mouth of OLT, packet loss situation is determined according to packet capturing information, when packet loss situation is uplink packet loss, packet capturing is successively carried out at the second line of a couplet mouth of ONU, at the upper united mouth of ONU, at the second line of a couplet mouth of OLT and at the slot position mouth of OLT, if determining packet capturing position packet loss according to packet capturing information after each packet capturing, it is determined that packet loss reason is packet capturing malposition；If non-packet loss at the slot position mouth of OLT, it is determined that packet loss reason is OLT abnormal.The present invention can the packet loss reason to PON network checked comprehensively, the mode checked in order to difference is not only convenient for operator's implementation, and working efficiency is higher.
Description
Technical field
The present invention relates to PON network analysis fields, and in particular to a kind of processing method and system of PON network packet loss.
Background technique
PON network is carried out data transmission by equipment and optical path, will appear data packetloss in data transmission procedure
Problem；In the customer service (such as telephone service, IPTV service etc.) required due to network data packet loss low time delay and user
Net tests the speed and impacts, therefore after network data packet loss, the reason of finding out data packetloss is needed, in order to targeted
It repairs, avoids data because of same reason packet loss again.
But there are many reason of network data packet loss, for example, hardware, software, optical path and docking network environment etc., mesh
Before be difficult to the reason of checking out network data packet loss.
Summary of the invention
In view of the deficiencies in the prior art, present invention solves the technical problem that are as follows: how to check PON network packet loss
Reason.
To achieve the above objectives, the processing method of PON network packet loss provided by the invention comprising following steps:
S1: judge whether otherwise packet loss terminates PON network if so, going to S2；
S2: carrying out packet capturing at the upper united mouth of OLT, determine packet loss situation according to packet capturing information, when packet loss situation is uplink
When packet loss, S3 is gone to；
S3: successively at the second line of a couplet mouth of ONU, at the upper united mouth of ONU, at the second line of a couplet mouth of OLT and at the slot position mouth of OLT
Packet capturing is carried out, if determining packet capturing position packet loss according to packet capturing information after each packet capturing, it is determined that packet loss reason is that packet capturing position is different
Often；If non-packet loss at the slot position mouth of OLT, it is determined that packet loss reason is OLT abnormal, is terminated.
Based on the above technical solution, if packet loss situation is downlink packet loss, it is determined that packet loss reason is upper layer network
It is abnormal, S1 is gone to after upper layer network reparation.
Based on the above technical solution, if the flow that packet loss situation is user is more than user bandwidth, it is determined that packet loss
Reason is that user bandwidth is lower, re-executes S1 after packet loss reason reparation.
Based on the above technical solution, the process of S3 includes:
S301: otherwise the second line of a couplet mouth normal labeled for judging whether there is ONU goes to S302 if so, going to S303；
S302: carrying out packet capturing at the second line of a couplet mouth of ONU, and being judged according to packet capturing information, which whether there is at the second line of a couplet mouth of ONU, loses
Packet after the reparation of packet loss reason, carries out just the second line of a couplet mouth of ONU if so, determining that the second line of a couplet mouth that packet loss reason is ONU is abnormal
Often marks and re-execute S1；Otherwise S303 is gone to；
S303: otherwise the upper united mouth normal labeled for judging whether there is ONU goes to S304 if so, going to S305；
S304: carrying out packet capturing at the upper united mouth of ONU, and being judged according to packet capturing information, which whether there is at the upper united mouth of ONU, loses
Packet after the reparation of packet loss reason, carries out just the upper united mouth of ONU if so, determining that the upper united mouth that packet loss reason is ONU is abnormal
Often marks and re-execute S1；Otherwise S305 is gone to；
S305: otherwise the second line of a couplet mouth normal labeled for judging whether there is OLT goes to S306 if so, going to S307；
S306: carrying out packet capturing at the second line of a couplet mouth of OLT, and being judged according to packet capturing information, which whether there is at the second line of a couplet mouth of OLT, loses
Packet after the reparation of packet loss reason, carries out just the second line of a couplet mouth of OLT if so, determining that the second line of a couplet mouth that packet loss reason is OLT is abnormal
Often marks and re-execute S1；Otherwise S307 is gone to；
S307: otherwise the slot position mouth normal labeled for judging whether there is OLT goes to S308 if so, going to S309；
S308: carrying out packet capturing at the slot position mouth of OLT, and being judged according to packet capturing information, which whether there is at the slot position mouth of OLT, loses
Packet after the reparation of packet loss reason, carries out just the slot position mouth of OLT if so, determining that the slot position mouth that packet loss reason is OLT is abnormal
Often marks and re-execute S1；Otherwise S309 is gone to；
S309: determine that packet loss reason is OLT abnormal.
The processing system of PON network packet loss provided by the invention, including packet loss detection module, the upper united mouth OLT check module
Module is checked with uplink；
Packet loss detection module is used for: when detecting PON network packet loss, it is former to send packet loss to the upper united mouth OLT investigation module
Because checking signal；
The upper united mouth OLT investigation module is used for: after receiving packet loss reason investigation signal, packet capturing is carried out at the upper united mouth of OLT,
Packet loss situation is determined according to packet capturing information, when packet loss situation is uplink packet loss, sends uplink investigation letter to uplink investigation module
Number；
Uplink investigation module is used for: after receiving uplink investigation signal, successively at the second line of a couplet mouth of ONU, the upper united mouth of ONU
Place, OLT second line of a couplet mouth at and the slot position mouth of OLT at carry out packet capturing, if determining packet capturing position according to packet capturing information after each packet capturing
Set packet loss, it is determined that packet loss reason is packet capturing malposition；If non-packet loss at the slot position mouth of OLT, it is determined that packet loss reason is OLT
It is abnormal.
Based on the above technical solution, the workflow of the upper united mouth the OLT investigation module further include: if packet loss feelings
Shape is downlink packet loss, it is determined that packet loss reason is that upper layer network is abnormal.
Based on the above technical solution, the workflow of the upper united mouth the OLT investigation module further include: if packet loss feelings
Shape is that the flow of user is more than user bandwidth, it is determined that packet loss reason is that user bandwidth is lower.
Based on the above technical solution, the uplink investigation module includes ONU second line of a couplet mouth investigation module, the ONU first line of a couplet
Mouth investigation module, OLT second line of a couplet mouth investigation module and OLT slot position mouth check module；
ONU second line of a couplet mouth investigation module is used for: after receiving uplink investigation signal, the second line of a couplet mouth for judging whether there is ONU is normal
Label:
If so, sending the upper united mouth ONU to the upper united mouth ONU investigation module checks signal；
Otherwise packet capturing is carried out at the second line of a couplet mouth of ONU, judging according to packet capturing information, which whether there is at the second line of a couplet mouth of ONU, loses
Packet, if so, determining that the second line of a couplet mouth that packet loss reason is ONU is abnormal；Otherwise the upper united mouth ONU is sent to the upper united mouth ONU investigation module
Check signal；
The upper united mouth ONU investigation module is used for: after receiving the upper united mouth ONU investigation signal, judging whether there is the upper united mouth of ONU
Normal labeled:
If so, sending OLT second line of a couplet mouth to OLT second line of a couplet mouth investigation module checks signal；
Otherwise packet capturing is carried out at the upper united mouth of ONU, judging according to packet capturing information, which whether there is at the upper united mouth of ONU, loses
Packet, if so, determining that the upper united mouth that packet loss reason is ONU is abnormal；Otherwise OLT second line of a couplet mouth is sent to OLT second line of a couplet mouth investigation module
Check signal；
OLT second line of a couplet mouth investigation module is used for: after receiving OLT second line of a couplet mouth investigation signal, judging whether there is the second line of a couplet mouth of OLT
Normal labeled:
If so, sending OLT slot position mouth to OLT slot position mouth investigation module checks signal；
Otherwise packet capturing is carried out at the second line of a couplet mouth of OLT, judging according to packet capturing information, which whether there is at the second line of a couplet mouth of OLT, loses
Packet, if so, determining that the second line of a couplet mouth that packet loss reason is OLT is abnormal；Otherwise OLT slot position mouth is sent to OLT slot position mouth investigation module
Check signal；
OLT slot position mouth investigation module is used for: after receiving OLT slot position mouth investigation signal, judging whether there is the slot position mouth of OLT
Normal labeled:
If so, determining that packet loss reason is OLT abnormal；
Otherwise packet capturing is carried out at the slot position mouth of OLT, judging according to packet capturing information, which whether there is at the slot position mouth of OLT, loses
Packet, if so, determining that the slot position mouth that packet loss reason is OLT is abnormal；Otherwise determine that packet loss reason is OLT abnormal.
Compared with the prior art, the advantages of the present invention are as follows:
It, can be in PON network packet loss referring to S2 and S3 it is found that the present invention is according to the investigation logic and mode of independent research
When, packet loss reason is checked by point (the up and down mouth and OLT slot position mouth of OLT and ONU), and then realize former to the packet loss of PON network
Because being checked comprehensively, the mode checked in order to difference is not only convenient for operator's implementation, and working efficiency
It is higher.
At the same time, referring to S2 and S3 it is found that the present invention first checks the upper united mouth of OLT, then the up and down mouth of ONU is checked,
It is first solved the problems, such as " general character " (because the upper united mouth packet loss of OLT can make multiple users not be available) with this, it is " a in solution
Property " the problem of (the up and down mouth of 1 ONU only correspond to 1 user)；And the present invention after the up and down mouth for having checked ONU again
The reason of checking the second line of a couplet mouth and slot position mouth of OLT is: if the up and down mouth packet loss of ONU, the second line of a couplet mouth and slot position mouth of OLT must
Right packet loss.Therefore, investigation logic of the invention is very reasonable, and then maximally utilizes and saved investigation resource, is suitable for promoting.
Detailed description of the invention
Fig. 1 is the schematic diagram of the processing method of PON network packet loss in the embodiment of the present invention.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
The processing method of PON network packet loss in the embodiment of the present invention, comprising the following steps:
S1: judge PON network whether packet loss, if (when the phenomenon of the failure of preliminary analysis subscriber complaint causes for packet loss),
Go to S2, otherwise represent packet loss reason checked and repair (for the first time execute when there is no no processes because necessarily losing for the first time
Packet), terminate.
S2: it is shown in Figure 1, packet capturing (i.e. crawl network packet) is carried out at the upper united mouth of OLT, according to packet capturing information
It is configured with PON network and determines packet loss situation, when packet loss situation is uplink packet loss, such as up direction is walked two layers of forwarding and lost
ARP (Address Resolution Protocol, address resolution protocol) broadcasting packet of no user is then lost for uplink during packet
Packet, goes to S3.
S3: it is shown in Figure 1, successively at the second line of a couplet mouth of ONU, at the upper united mouth of ONU, at the second line of a couplet mouth of OLT and
Packet capturing is carried out at the slot position mouth of OLT, if determining packet capturing position packet loss according to packet capturing information after each packet capturing, it is determined that packet loss reason
For packet capturing malposition；If non-packet loss at the slot position mouth of OLT, it is determined that packet loss reason is OLT abnormal, is terminated.
It, can be in PON network packet loss referring to S2 and S3 it is found that the present invention is according to the investigation logic and mode of independent research
When, packet loss reason is checked by point (the up and down mouth and OLT slot position mouth of OLT and ONU), and then realize former to the packet loss of PON network
Because being checked comprehensively, the mode checked in order to difference is not only convenient for operator's implementation, and working efficiency
It is higher.
At the same time, referring to S2 and S3 it is found that the present invention first checks the upper united mouth of OLT, then the up and down mouth of ONU is checked,
It is first solved the problems, such as " general character " (because the upper united mouth packet loss of OLT can make multiple users not be available) with this, it is " a in solution
Property " the problem of (the up and down mouth of 1 ONU only correspond to 1 user)；And the present invention after the up and down mouth for having checked ONU again
The reason of checking the second line of a couplet mouth and slot position mouth of OLT is: if the up and down mouth packet loss of ONU, the second line of a couplet mouth and slot position mouth of OLT must
Right packet loss.Therefore, investigation logic of the invention is very reasonable, and then maximally utilizes and saved investigation resource, is suitable for promoting.
Preferably, S2 further includes following below scheme: if packet loss situation is that downlink packet loss (walk general when two layers of forwarding by down direction
For downlink packet loss), it is determined that packet loss reason is that upper layer network is abnormal, goes to S1 after upper layer network reparation.It follows that this hair
Bright the reason of capable of checking out downlink packet loss, and to upper layer network reparation will continue to go to S1 judge PON network whether packet loss,
To carry out comprehensive analysis of packet loss reason.
Packet loss situation is downlink packet loss, it is determined that packet loss reason upper layer network exception and the situation citing repaired are as follows: downlink
RTP unicast packet loss, and carried by OSPF (Open Shortest Path First, ospf), it need to look into
During seeing downlink RTP packet loss, if having the message of OSPF link state update to cause, neighborhood is not present and lost route is made
At if so, can be according to OSPF message analysis the reason is that this packet loss reason is generally on configuration or software in PON or outside PON
The problem of, S1 is returned to after packet loss reason reparation at this time, to play the role of simple flow or check comprehensively.
Preferably, S2 further includes following below scheme: if the flow that packet loss situation is user is more than user bandwidth, it is determined that packet loss
Reason is that user bandwidth is lower, re-executes S1 after the reparation of packet loss reason (improving user bandwidth).If not having when subsequent execution S1
There is packet loss, then at this time with regard to successfully having checked out packet loss reason (user bandwidth is lower) and having been handled, after directly simplifying
Afterflow journey；If packet loss reason is not yet checked completely there are still packet loss when subsequent execution S1, needs to carry out follow-up process and come comprehensively
Investigation.
Preferably, S2 further includes following below scheme: if the specific situation of uplink packet loss are as follows: uplink unicast rtp streaming packet loss, and
User MAC has sent broadcast arp during packet loss, then illustrates the ARP table aging of user, reason in the generally non-PON of this packet loss, and
Be since the ARP table aging between user equipment and upper layer network equipment causes, can take at this time configuration Static ARP mode into
Professional etiquette re-executes S1 after keeping away.
Preferably, shown in Figure 1, the detailed process of S3 includes:
S301: otherwise the second line of a couplet mouth normal labeled for judging whether there is ONU goes to S302 if so, going to S303.
S302: carrying out packet capturing at the second line of a couplet mouth of ONU, and being judged according to packet capturing information, which whether there is at the second line of a couplet mouth of ONU, loses
Packet, if so, determining that the second line of a couplet mouth that packet loss reason is ONU is abnormal (abnormal cause is generally optical fiber plug mistake), to packet loss original
After repairing, normal labeled is carried out to the second line of a couplet mouth of ONU and (represents follow-up process to be not necessarily to check the second line of a couplet mouth of ONU, because having repaired
It is multiple) and re-execute S1；Otherwise illustrate that packet loss reason is generally lost inside PON, go to S303.
S303: otherwise the upper united mouth normal labeled for judging whether there is ONU goes to S304 if so, going to S305.
S304: carrying out packet capturing at the upper united mouth of ONU, and being judged according to packet capturing information, which whether there is at the upper united mouth of ONU, loses
Packet, if so, determine the upper united mouth that packet loss reason is ONU it is abnormal (abnormal cause be generally the device hardware of user side, software or
Allocation problem), after the reparation of packet loss reason, normal labeled is carried out to the upper united mouth of ONU and (represents follow-up process without checking ONU
Upper united mouth because repaired) and re-execute S1；Otherwise S305 is gone to.
S305: otherwise the second line of a couplet mouth normal labeled for judging whether there is OLT goes to S306 if so, going to S307.
S306: carrying out packet capturing at the second line of a couplet mouth of OLT, and being judged according to packet capturing information, which whether there is at the second line of a couplet mouth of OLT, loses
Packet, if so, determining that the second line of a couplet mouth that packet loss reason is OLT is abnormal (abnormal cause is generally optical path or optical module problem), wait lose
After packet reason is repaired, normal labeled is carried out to the second line of a couplet mouth of OLT and (represents follow-up process to be not necessarily to check the second line of a couplet mouth of OLT, because
It is repaired) and re-execute S1；Otherwise S307 is gone to.
S307: otherwise the slot position mouth normal labeled for judging whether there is OLT goes to S308 if so, going to S309.
S308: carrying out packet capturing at the slot position mouth of OLT, and being judged according to packet capturing information, which whether there is at the slot position mouth of OLT, loses
Packet, if so, determining that (abnormal cause is that OLT second line of a couplet mouth is different to the optical path between OLT extremely for slot position mouth that packet loss reason be OLT
Often), after the reparation of packet loss reason, normal labeled is carried out to the slot position mouth of OLT and (represents follow-up process to be not necessarily to check the slot position of OLT
Mouthful, because repaired) and re-execute S1；Otherwise S309 is gone to.
S309: determining that packet loss reason is OLT abnormal (such as main control unit software, configuration and main control unit hardware anomalies etc.),
After the reparation of packet loss reason, S1 is re-executed, entire PON network has been subjected to a comprehensive investigation at this time, at this time again
Packet loss will not occur for normal condition when executing S1, but packet loss still can theoretically occur, but what is occurred at this time loses
Packet is cause specific, not in protection scope of the present invention etc.
The processing system of PON network packet loss in the embodiment of the present invention, including packet loss detection module, the upper united mouth OLT investigation
Module and uplink check module.
Packet loss detection module is used for: when detecting PON network packet loss, it is former to send packet loss to the upper united mouth OLT investigation module
Because checking signal.
The upper united mouth OLT investigation module is used for: after receiving packet loss reason investigation signal, packet capturing is carried out at the upper united mouth of OLT,
Packet loss situation is determined according to packet capturing information:
If sending uplink when packet loss situation is uplink packet loss to uplink investigation module and checking signal；
If packet loss situation is downlink packet loss, it is determined that packet loss reason is that upper layer network is abnormal；
If the flow that packet loss situation is user is more than user bandwidth, it is determined that packet loss reason is that user bandwidth is lower.
Uplink investigation module is used for: after receiving uplink investigation signal, successively at the second line of a couplet mouth of ONU, the upper united mouth of ONU
Place, OLT second line of a couplet mouth at and the slot position mouth of OLT at carry out packet capturing, if determining packet capturing position according to packet capturing information after each packet capturing
Set packet loss, it is determined that packet loss reason is packet capturing malposition；If non-packet loss at the slot position mouth of OLT, it is determined that packet loss reason is OLT
It is abnormal.
Uplink investigation module includes ONU second line of a couplet mouth investigation module, the upper united mouth ONU investigation module, OLT second line of a couplet mouth investigation module
And OLT slot position mouth checks module；
ONU second line of a couplet mouth investigation module is used for: after receiving uplink investigation signal, the second line of a couplet mouth for judging whether there is ONU is normal
Label:
If so, sending the upper united mouth ONU to the upper united mouth ONU investigation module checks signal；
Otherwise packet capturing is carried out at the second line of a couplet mouth of ONU, judging according to packet capturing information, which whether there is at the second line of a couplet mouth of ONU, loses
Packet, if so, determining that the second line of a couplet mouth that packet loss reason is ONU is abnormal；Otherwise the upper united mouth ONU is sent to the upper united mouth ONU investigation module
Check signal；
The upper united mouth ONU investigation module is used for: after receiving the upper united mouth ONU investigation signal, judging whether there is the upper united mouth of ONU
Normal labeled:
If so, sending OLT second line of a couplet mouth to OLT second line of a couplet mouth investigation module checks signal；
Otherwise packet capturing is carried out at the upper united mouth of ONU, judging according to packet capturing information, which whether there is at the upper united mouth of ONU, loses
Packet, if so, determining that the upper united mouth that packet loss reason is ONU is abnormal；Otherwise OLT second line of a couplet mouth is sent to OLT second line of a couplet mouth investigation module
Check signal；
OLT second line of a couplet mouth investigation module is used for: after receiving OLT second line of a couplet mouth investigation signal, judging whether there is the second line of a couplet mouth of OLT
Normal labeled:
If so, sending OLT slot position mouth to OLT slot position mouth investigation module checks signal；
Otherwise packet capturing is carried out at the second line of a couplet mouth of OLT, judging according to packet capturing information, which whether there is at the second line of a couplet mouth of OLT, loses
Packet, if so, determining that the second line of a couplet mouth that packet loss reason is OLT is abnormal；Otherwise OLT slot position mouth is sent to OLT slot position mouth investigation module
Check signal；
OLT slot position mouth investigation module is used for: after receiving OLT slot position mouth investigation signal, judging whether there is the slot position mouth of OLT
Normal labeled:
If so, determining that packet loss reason is OLT abnormal；
Otherwise packet capturing is carried out at the slot position mouth of OLT, judging according to packet capturing information, which whether there is at the slot position mouth of OLT, loses
Packet, if so, determining that the slot position mouth that packet loss reason is OLT is abnormal；Otherwise determine that packet loss reason is OLT abnormal.
It should be understood that system provided in an embodiment of the present invention is when carrying out intermodule communication, only with above-mentioned each function
The division progress of module can according to need and for example, in practical application by above-mentioned function distribution by different function moulds
Block is completed, i.e., the internal structure of system is divided into different functional modules, to complete all or part of function described above
Energy.
Further, the present invention is not limited to the above-described embodiments, for those skilled in the art,
Without departing from the principles of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as the present invention
Protection scope within.The content being not described in detail in this specification belongs to existing skill well known to professional and technical personnel in the field
Art.
Claims (8)
1. a kind of processing method of PON network packet loss, which is characterized in that method includes the following steps:
S1: judge whether otherwise packet loss terminates PON network if so, going to S2；
S2: carrying out packet capturing at the upper united mouth of OLT, determine packet loss situation according to packet capturing information, when packet loss situation is uplink packet loss
When, go to S3；
S3: it is successively carried out at the second line of a couplet mouth of ONU, at the upper united mouth of ONU, at the second line of a couplet mouth of OLT and at the slot position mouth of OLT
Packet capturing, if determining packet capturing position packet loss according to packet capturing information after each packet capturing, it is determined that packet loss reason is packet capturing malposition；If
Non- packet loss at the slot position mouth of OLT, it is determined that packet loss reason is OLT abnormal, is terminated.
2. the processing method of PON network packet loss as described in claim 1, which is characterized in that S2 further includes following below scheme: if losing
Packet situation is downlink packet loss, it is determined that packet loss reason is that upper layer network is abnormal, goes to S1 after upper layer network reparation.
3. the processing method of PON network packet loss as described in claim 1, which is characterized in that S2 further includes following below scheme: if losing
Packet situation is that the flow of user is more than user bandwidth, it is determined that packet loss reason is that user bandwidth is lower, after the reparation of packet loss reason
Re-execute S1.
4. the processing method of PON network packet loss as described in any one of claims 1 to 3, which is characterized in that the process packet of S3
It includes:
S301: otherwise the second line of a couplet mouth normal labeled for judging whether there is ONU goes to S302 if so, going to S303；
S302: carrying out packet capturing at the second line of a couplet mouth of ONU, is judged according to packet capturing information with the presence or absence of packet loss at the second line of a couplet mouth of ONU, if
It is, it is determined that the second line of a couplet mouth that packet loss reason is ONU is abnormal, after the reparation of packet loss reason, carries out normal labeled to the second line of a couplet mouth of ONU
And re-execute S1；Otherwise S303 is gone to；
S303: otherwise the upper united mouth normal labeled for judging whether there is ONU goes to S304 if so, going to S305；
S304: carrying out packet capturing at the upper united mouth of ONU, is judged according to packet capturing information with the presence or absence of packet loss at the upper united mouth of ONU, if
It is, it is determined that the upper united mouth that packet loss reason is ONU is abnormal, after the reparation of packet loss reason, carries out normal labeled to the upper united mouth of ONU
And re-execute S1；Otherwise S305 is gone to；
S305: otherwise the second line of a couplet mouth normal labeled for judging whether there is OLT goes to S306 if so, going to S307；
S306: carrying out packet capturing at the second line of a couplet mouth of OLT, is judged according to packet capturing information with the presence or absence of packet loss at the second line of a couplet mouth of OLT, if
It is, it is determined that the second line of a couplet mouth that packet loss reason is OLT is abnormal, after the reparation of packet loss reason, carries out normal labeled to the second line of a couplet mouth of OLT
And re-execute S1；Otherwise S307 is gone to；
S307: otherwise the slot position mouth normal labeled for judging whether there is OLT goes to S308 if so, going to S309；
S308: carrying out packet capturing at the slot position mouth of OLT, is judged according to packet capturing information with the presence or absence of packet loss at the slot position mouth of OLT, if
It is, it is determined that the slot position mouth that packet loss reason is OLT is abnormal, after the reparation of packet loss reason, carries out normal labeled to the slot position mouth of OLT
And re-execute S1；Otherwise S309 is gone to；
S309: determine that packet loss reason is OLT abnormal.
5. a kind of processing system of PON network packet loss, it is characterised in that: the system includes packet loss detection module, the upper united mouth OLT row
Look into module and uplink investigation module；
Packet loss detection module is used for: when detecting PON network packet loss, sending packet loss reason row to the upper united mouth OLT investigation module
Look into signal；
The upper united mouth OLT investigation module is used for: after receiving packet loss reason investigation signal, packet capturing is carried out at the upper united mouth of OLT, according to
Packet capturing information determines packet loss situation, when packet loss situation is uplink packet loss, sends uplink to uplink investigation module and checks signal；
Uplink investigation module is used for: after receiving uplink investigation signal, successively at the second line of a couplet mouth of ONU, at the upper united mouth of ONU, OLT
Second line of a couplet mouth at and the slot position mouth of OLT at carry out packet capturing, if determining that packet capturing position is lost according to packet capturing information after each packet capturing
Packet, it is determined that packet loss reason is packet capturing malposition；If non-packet loss at the slot position mouth of OLT, it is determined that packet loss reason is that OLT is different
Often.
6. the processing system of PON network packet loss as claimed in claim 5, which is characterized in that check module in the upper united mouth OLT
Workflow further include: if packet loss situation is downlink packet loss, it is determined that packet loss reason is that upper layer network is abnormal.
7. the processing system of PON network packet loss as claimed in claim 5, which is characterized in that check module in the upper united mouth OLT
Workflow further include: if packet loss situation be user flow be more than user bandwidth, it is determined that packet loss reason be user bandwidth
It is lower.
8. such as the processing system of the described in any item PON network packet losses of claim 5 to 7, it is characterised in that: the uplink investigation
Module includes ONU second line of a couplet mouth investigation module, the upper united mouth ONU investigation module, OLT second line of a couplet mouth investigation module and OLT slot position mouth row
Look into module；
ONU second line of a couplet mouth investigation module is used for: after receiving uplink investigation signal, judge whether there is the second line of a couplet mouth normal labeled of ONU:
If so, sending the upper united mouth ONU to the upper united mouth ONU investigation module checks signal；
Otherwise packet capturing is carried out at the second line of a couplet mouth of ONU, is judged according to packet capturing information with the presence or absence of packet loss at the second line of a couplet mouth of ONU, if
It is, it is determined that the second line of a couplet mouth that packet loss reason is ONU is abnormal；Otherwise the upper united mouth ONU investigation letter is sent to the upper united mouth ONU investigation module
Number；
The upper united mouth ONU investigation module is used for: after receiving the upper united mouth ONU investigation signal, the upper united mouth for judging whether there is ONU is normal
Label:
If so, sending OLT second line of a couplet mouth to OLT second line of a couplet mouth investigation module checks signal；
Otherwise packet capturing is carried out at the upper united mouth of ONU, is judged according to packet capturing information with the presence or absence of packet loss at the upper united mouth of ONU, if
It is, it is determined that the upper united mouth that packet loss reason is ONU is abnormal；Otherwise OLT second line of a couplet mouth investigation letter is sent to OLT second line of a couplet mouth investigation module
Number；
OLT second line of a couplet mouth investigation module is used for: after receiving OLT second line of a couplet mouth investigation signal, the second line of a couplet mouth for judging whether there is OLT is normal
Label:
If so, sending OLT slot position mouth to OLT slot position mouth investigation module checks signal；
Otherwise packet capturing is carried out at the second line of a couplet mouth of OLT, is judged according to packet capturing information with the presence or absence of packet loss at the second line of a couplet mouth of OLT, if
It is, it is determined that the second line of a couplet mouth that packet loss reason is OLT is abnormal；Otherwise OLT slot position mouth investigation letter is sent to OLT slot position mouth investigation module
Number；
OLT slot position mouth investigation module is used for: after receiving OLT slot position mouth investigation signal, the slot position mouth for judging whether there is OLT is normal
Label:
If so, determining that packet loss reason is OLT abnormal；
Otherwise packet capturing is carried out at the slot position mouth of OLT, is judged according to packet capturing information with the presence or absence of packet loss at the slot position mouth of OLT, if
It is, it is determined that the slot position mouth that packet loss reason is OLT is abnormal；Otherwise determine that packet loss reason is OLT abnormal.
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