WO2012097568A1

WO2012097568A1 - Method, system and optical line terminal for acquiring fault information of optical network unit

Info

Publication number: WO2012097568A1
Application number: PCT/CN2011/076420
Authority: WO
Inventors: 翟林
Original assignee: 中兴通讯股份有限公司
Priority date: 2011-01-19
Filing date: 2011-06-27
Publication date: 2012-07-26
Also published as: CN102075246A; CN102075246B

Abstract

The present invention provides a method, a system and an Optical Line Terminal (OLT) for acquiring fault information of an Optical Network Unit (ONU). The method includes the following steps: an OLT device receives a fault information collecting command, which is sent from a fault analysis server and carries an ONU access identifier, and sends a fault information acquiring request to the ONU device corresponding to the ONU access identifier; the OLT device dynamically allocates time slots from the time slots of E1 according to the current time slot load of E1, and receives the fault information acquired by the ONU device on the channel resource corresponding to the time slots dynamically allocated, wherein the OLT device connects to the ONU device with E1; and the OLT device sends the fault information returned from the ONU device to the fault analysis server. With the technical solution of the present invention, the utilization ratio of the time slot resource of E1 is increased, thus decreasing the occurrence probability of abnormity while communication service signaling is being transmitted on E1.

Description

Method, system and optical line terminal for acquiring optical network unit fault information

The present invention relates to the field of communications, and in particular, to a method, system and optical line terminal for acquiring fault information of an optical network unit. Background technique

The optical line terminal (OLT) device and the optical network unit (ONU) in the access network device establish a communication connection through the El mode. The ONU device is generally distributed at the remote end; an OLT device may need to be connected. A plurality of ONU devices, and management information for managing the plurality of ONU devices is stored in the 0LT device.

When an abnormality occurs on an ONU device connected to the OLT device, you need to obtain the fault information of the system running log and software debugging information of the ONU device to locate the system fault. At present, the fault information of the ONU device is obtained by the following methods: The OLT device obtains the fault information of the faulty ONU device through the E1 signaling channel connected to the faulty ONU device, and stores the fault information locally in the OLT device. accident details. The following technical defects exist in the manner of obtaining the fault information of the ONU device: On the one hand, when the amount of data of the fault information to be acquired is large, the E1 signaling channel needs to transmit the fault information and transmit the communication service. The data will bring a large load to the E1 signaling channel, which may affect the normal communication of the communication service, and may even cause abnormality in the signaling transmission; and, the communication service of the access network is controlled by the switch of the core network, if If the access network side signaling is abnormally abnormal, the switch will block the access network user and need manual intervention to recover. When using the fault information acquisition method, when it is necessary to diagnose the fault that is closely related to the traffic volume, The fault diagnosis information needs to be obtained when the service of the E1 signaling channel is busy, and the E1 signaling channel cannot simultaneously satisfy the transmission of the communication service signaling and fault diagnosis information. On the other hand, the OLT device hardware storage resource space has Limit, not suitable for storing a large number of fault information, inconvenient for data analysis, can not provide a human-machine interface that is software-friendly on the windows platform. Summary of the invention

The present invention provides a method, a system, and an optical line terminal for acquiring fault information of an optical network unit, to obtain fault information of an optical network unit, and when acquiring a fault of the optical network unit, from the E1. The time slot for transmitting the fault information of the ONU device is dynamically allocated in the time slot to improve the utilization of the time slot resource of the E1, thereby reducing the probability of occurrence of an abnormality when the E1 transmits the communication service signaling.

A method for obtaining fault information of an optical network unit, where the method includes:

The OLT device receives the fault information collection command sent by the fault analysis server, where the fault information collection command carries the ONU access identifier number;

The OLT device sends a fault information acquisition request to the ONU device corresponding to the ONU access identification number according to the fault information collection instruction;

The OLT device dynamically allocates a time slot from the time slot of the E1 according to the current time slot load of the E1, and receives the fault information acquisition request by the ONU device on the channel resource corresponding to the dynamically allocated time slot. Obtaining the fault information, the E1 is connected to the OLT device and the ONU device;

The OLT device sends the fault information returned by the ONU device to the fault analysis server.

In the above solution, dynamically allocating time slots from the time slots of the E1 includes:

When it is determined that the current time slot load of the E1 is lower than the set idle load threshold, the time slot is dynamically allocated from the time slot in the signaling channel of the E1;

And/or, when it is determined that the current time slot load of the E1 is higher than the set busy load threshold, the time slot is dynamically allocated from the idle time slots in the non-signaling channel of the E1;

And/or determining that the current time slot load of the E1 is higher than the idle load threshold and lower than the When the busy load is wide, time slots are dynamically allocated from time slots in the non-signaling channel of the El. In the above solution, the OLT device periodically allocates time slots from the time slots of the E1; for each period, receives the ONU device on the channel resource corresponding to the time slot dynamically allocated in the period. Acquiring the acquired fault information according to the fault information, and transmitting the fault information to the fault analysis server.

In the above solution, the dynamically allocating the time slot from the time slot of the E1 further includes: the time slot load of the ΕΓ is higher than the set busy load threshold in consecutive multiple cycles, and When there is no idle time slot in the non-signaling channel of E1, the OLT device selects the time slot with the longest occupation time from the time slot in the non-signaling channel of the E1, and releases the The time slot that takes the longest time is determined as a time slot that needs to be dynamically allocated.

In the above solution, the method further includes: for each period, the OLT device notifies the ONU device of the time slot dynamically allocated from the time slot of the E1 in the period, and is in the ONU device After the acknowledgment, the corresponding relationship between the dynamically allocated time slot, the ONU access identification number, and the IP/PORT of the failure analysis server is established.

In the above solution, the OLT device sends the fault information returned by the ONU device to the fault analysis server, including: the OLT device from the dynamically allocated time slot, the ONU access identification number, and the fault. Determining, in the correspondence between the IP/PORT of the server, the IP/PORT of the fault analysis server corresponding to the ONU access identification number of the ONU device in the period; dynamically allocating the ONU device in the period The fault information returned on the channel resource corresponding to the time slot is sent to the determined IP/PORT of the fault analysis server.

In the above solution, the fault information collection command is a user data packet protocol UDP data packet. After the OLT device receives the UDP data packet, the method further includes: the OLT device accessing the UDP data The message is parsed, and the ONU access identification number is parsed from the UDP data packet.

In the above solution, the OLT device sets the ONU corresponding to the ONU access identification number. The sending of the fault information acquisition request includes: the OLT device converting the format of the received UDP data packet into an ONU information format, and transmitting the formatted UDP data packet to the ONU access identification number Corresponding ONU device.

In the above solution, after the OLT device sends the fault information acquisition request to the ONU device corresponding to the ONU access identification number, the method further includes: the ONU device receiving the format converted UDP data packet And parsing the control command data frame in the UDP data packet, and parsing the name information of the tracking command and the module to be tracked; the ONU device acquiring the fault information obtained by the request according to the fault information, including: The ONU device obtains fault information corresponding to the to-be-tracked module according to the start tracking command.

The present invention also provides a system for acquiring fault information of an optical network unit, where the system includes: a fault analysis server and an OLT device;

The fault analysis server is configured to send a fault information collection instruction, and the fault information collection instruction carries an ONU access identification number;

The OLT device is configured to receive a fault information collection instruction sent by the fault analysis server, and send a fault information acquisition request to the ONU device corresponding to the ONU access identification number according to the fault information collection instruction; and, according to the E1 The time slot load is dynamically allocated from the time slot of the E1, and the fault information acquired by the ONU device according to the fault information acquisition request is received on the channel resource corresponding to the dynamically allocated time slot. E1 connects the OLT device and the ONU device; and sends fault information returned by the ONU device to the fault analysis server.

In the above solution, the OLT device is further configured to: dynamically allocate a time slot from a time slot in the signaling channel of the E1 when determining that the current time slot load of the E1 is lower than a set idle load threshold And/or, determining that the E1 current time slot load is higher than the set busy load threshold, dynamically allocating time slots from the idle time slots in the non-signaling channel of the E1; and/or determining When the current time slot load of E1 is higher than the idle load threshold and lower than the busy load threshold, Time slots are dynamically allocated in time slots in the non-signaling channel of El.

In the above solution, the OLT device is further configured to: periodically allocate a time slot from the time slot of the E1; for each period, on a channel resource corresponding to the time slot dynamically allocated in the period, Receiving the fault information acquired by the ONU device according to the fault information acquisition request, and sending the fault information to the fault analysis server.

In the above solution, the OLT device is further configured to: in a plurality of consecutive periods, the time slot load of the ΕΓ is higher than the set busy load threshold, and the non-signaling channel of the E1 is not When there is a free time slot, the time slot with the longest occupation time is selected from the time slots in the non-signaling channel of the E1 and released; the time slot with the longest occupied time is determined to be dynamically allocated. Time slot.

In the above solution, the OLT device is further configured to, for each period, notify the ONU device of the time slot dynamically allocated from the time slot of the E1 in the period, and after the ONU device confirms And establishing a correspondence between the dynamically allocated time slot, the ONU access identification number, and the IP/PORT of the fault analysis server in the period.

In the above solution, the OLT device is further configured to: determine, by the OLT device, a correspondence between the dynamically allocated time slot, an ONU access identification number, and an IP/PORT of the fault analysis server. The IP/PORT of the fault analysis server corresponding to the ONU access identification number of the ONU device in the period; sending the fault information returned on the channel resource corresponding to the time slot dynamically allocated by the ONU device in the period to Determine the IP/PORT of the failure analysis server.

The invention also provides an optical line terminal device, the device comprising:

a first transceiver unit, configured to receive a fault information collection instruction sent by the fault analysis server, where the fault information collection instruction carries an optical network unit ONU access identification number; and, according to the fault information collection instruction, to the ONU The ONU device corresponding to the access identification number sends a fault information acquisition request. a time slot allocation unit, configured to dynamically allocate a time slot from the time slot of the E1 according to a current time slot load of the E1; and receive, by using the fault information acquired by the ONU device according to the fault information acquisition request, the E1 connects the OLT device and the ONU device; and the received fault information is sent to the fault analysis server.

In the above solution, the time slot allocating unit is further configured to: dynamically determine, when the current time slot load of the E1 is lower than the set idle load threshold, dynamically allocate from the time slot in the signaling channel of the E1. a time slot; and/or, when determining that the current time slot load of the E1 is higher than a set busy load threshold, dynamically allocating time slots from the idle time slots in the non-signaling channel of the E1; and/or, When it is determined that the current time slot load of the E1 is higher than the idle load threshold and lower than the busy load threshold, the time slot is dynamically allocated from the time slots in the non-signaling channel of the E1.

In the above solution, the time slot allocating unit is further configured to: in a plurality of consecutive cycles, the time slot load of the UI is higher than the set busy load threshold, and the non-signaling channel of the E1 is When there is no idle time slot, the time slot with the longest occupation time is selected from the time slots in the non-signaling channel of the E1 and released; the time slot with the longest occupied time is determined to be dynamically allocated. Time slot.

In the above solution, the device further includes a correspondence establishing unit; the second transceiver unit is further configured to, for each period, notify the time slot that is dynamically allocated from the slot of the E1 in the period After the ONU device confirms, the corresponding relationship establishing unit is started, and the corresponding relationship establishing unit is configured to establish a dynamically allocated time slot, an ONU access identification number, and a fault analysis server in the period. The correspondence between IP/PORT.

In the above solution, the second transceiver unit is further configured to: determine, according to the correspondence established by the correspondence relationship establishing unit, the ONU access identification number corresponding to the ONU device in the period IP/PORT of the failure analysis server; the ONU device is in the cycle The fault information returned on the channel resource corresponding to the dynamically allocated time slot is sent to the determined IP/PORT of the fault analysis server.

In the embodiment of the present invention, the optical line terminal OLT device sends a fault information acquisition request to the corresponding ONU device when receiving the fault information collection instruction that is sent by the fault analysis server and carries the ONU access identification number; and according to the current time of the E1 Gap load, dynamically allocate time slots, and receive fault information returned by the ONU device on the channel resource corresponding to the dynamically allocated time slot; since the time slot is allocated from the E1 time slot is based on the actual time slot load of E1 The dynamic allocation is performed, thereby improving the rationality of allocating time slots for transmitting fault information, and reducing the influence of E1 on transmitting communication service signaling in the E1 signaling channel when transmitting fault information, so that the signaling of the communication service is guaranteed to be normal. The communication transmits the fault information at the same time, thereby improving the utilization of the time slot resource of the E1, and reducing the probability that the E1 signaling channel is abnormal when transmitting the communication service signaling. DRAWINGS

1 is a schematic structural diagram of a system for acquiring an ONU device fault information according to an embodiment of the present invention; FIG. 2 is a flowchart of a method for acquiring an ONU device fault information according to an embodiment of the present invention; FIG. 3 is a schematic diagram of acquiring an ONU device fault information according to an embodiment of the present invention; FIG. 4 is a flowchart of a method for transmitting fault information of an ONU device according to an embodiment of the present invention; FIG. 5 is a schematic structural diagram of an OLT device according to an embodiment of the present invention. detailed description

The present invention provides a method, a system, and an optical line terminal for acquiring fault information of an optical network unit, and dynamically allocates a time slot for transmitting fault information of an ONU device from a time slot of E1, in order to solve the above technical problem. Improve the utilization of time slot resources of E1, thereby reducing the probability of occurrence of an exception when E1 transmits communication service signaling.

The method for obtaining the fault information of the optical network unit of the present invention mainly includes: the OLT device receives a fault information collection instruction sent by the fault analysis server, where the fault information collection instruction carries The ONU accesses the identification number; the OLT device sends a failure information acquisition request to the ONU device corresponding to the ONU access identification number according to the fault information collection instruction; the OLT device according to the slot load of E1, from the The slot is dynamically allocated in the time slot of the E1, and the fault information obtained by the ONU device according to the fault information acquisition request is received on the channel resource corresponding to the dynamically allocated time slot, and the E1 is connected to the OLT device and the The ONU device; the OLT device sends the fault information returned by the ONU device to the fault analysis server.

With the technical solution of the present invention, the OLT device sends a fault information acquisition request to the corresponding ONU device when receiving the fault information collection instruction sent by the fault analysis server and carrying the ONU access identification number; and according to the current time slot load of E1 Dynamically assigning time slots, and receiving fault information returned by the ONU device on the channel resource corresponding to the dynamically allocated time slot; since the time slot is allocated from the E1 time slot, the dynamic situation is based on the current situation of the E1 current time slot load. The allocation increases the rationality of the allocation of time slots for transmitting fault information, reduces the influence of E1 on the transmission of communication traffic signaling in the E1 signaling channel when transmitting fault information, and can ensure the normal communication of communication service signaling. At the same time, the fault information is transmitted, thereby improving the utilization of the time slot resource of the E1, and reducing the probability that the E1 signaling channel is abnormal when transmitting the communication service signaling.

The technical solution of the present invention will be described in detail below with reference to the accompanying drawings.

1 is a schematic structural diagram of a system for acquiring fault information of an ONU device according to an embodiment of the present invention. The system includes a fault analysis server 11, an OLT device 12, and an ONU device 13, where: the fault analysis server 11 can be set on a windows platform-based On the PC; the OLT device 12 can access the Ethernet through the network interface and communicate with the fault analysis server 11 through the Ethernet; the OLT device 12 and the ONU device 13 can be connected through E1; and the fault analysis server 11 can connect at least one OLT Device 12, an OLT device 12 can be connected to at least one ONU device 13, and the functions of each device in the above system are described below:

The fault analysis server 11 is configured to send a fault information collection instruction, where the fault information collection instruction carries an ONU access identification number; The OLT device 12 is configured to receive a fault information collection instruction sent by the fault analysis server 11, and send a fault information acquisition request to the ONU device 13 corresponding to the ONU access identification number according to the fault information collection instruction; According to the current time slot load of E1, the time slot is dynamically allocated from the time slot of the E1, and the receiving ONU device 13 acquires the fault information acquired according to the fault information according to the fault information corresponding to the dynamically allocated time slot. The fault information returned by the ONU device 13 is sent to the fault analysis server 11; wherein the E1 connects the OLT device 12 and the ONU device 13.

2 is a flowchart of a method for acquiring fault information of an ONU device by using the system in FIG. 1 according to an embodiment of the present invention, where the method includes:

Step 201: The OLT device 12 receives the fault information collection command sent by the fault analysis server 11, and the fault information collection instruction carries the ONU access identification number.

Step 202: The OLT device 12 sends a fault information acquisition request to the ONU device 13 corresponding to the ONU access identification number according to the received fault information collection instruction.

Step 203: The OLT device 12 dynamically allocates a time slot from the time slot of the E1 according to the current time slot load of the E1, and receives the ONU device 13 according to the fault on the channel resource corresponding to the dynamically allocated time slot. The information acquisition request acquires the fault information, and the E1 connects the OLT device 12 and the ONU device 13.

Step 204: The OLT device 12 sends the fault information returned by the ONU device 13 to the fault analysis server 11.

Preferably, in the foregoing process step 201, the fault information collection instruction sent by the fault analysis server 11 may be a User Datagram Protocol (UDP) data packet, and the UDP data message includes an ONU access identifier number and control. The data format of the command data frame and UDP data can be as shown in Table 1 below.

ONU access identification number Control command data frame

Table 1 The foregoing process step 201 may further include the following steps: The OLT device 12 parses the UDP data packet, and parses the ONU access identification number from the UDP data packet.

In the foregoing process step 202, the OLT device 12 sends a fault information acquisition request to the ONU device 13 corresponding to the ONU access identification number, and may use the following method: Convert the format of the received UDP data packet into an ONU device information format. And sending the formatted UDP data packet to the ONU device 13 corresponding to the ONU access identification number. Correspondingly, when receiving the UDP data packet after the format conversion, the ONU device 12 parses the control command data frame in the UDP data packet, and parses out the start tracking command and the name information of the module to be tracked; Obtaining fault information corresponding to the to-be-tracked module according to the opening tracking command.

In the embodiment of the present invention, the fault analysis server 11 and the OLT device 12 communicate by means of UDP data packets. Therefore, the network analysis protocol (IP, Internet Protocol) of the peer end needs to be configured in the fault analysis server 11 and the OLT device 12 in advance. Information and interface (PORT) information, that is, IP/PORT (same IP address includes multiple PORTs, IP/PORT in the embodiment of the present invention refers to a PORT under IP), such as: configuration on the failure analysis server 11 The configuration information of the managed ONU device is configured with a configuration information corresponding to the ONU device for each ONU device managed by the fault analysis server 11, where the item configuration information includes: a network of the OLT device connected to the ONU device The information about the interface board IP and the UDP port number (that is, PORT) that communicates with the fault analysis server 11 and the ONU access identification number of the ONU device are shown in Table 2 below. Table 2 shows the configuration set in the fault analysis server. Information List.

ONU1 access identification number

OLT1 IP/PORT • . .

ONUn access identification number

ONUn+1 access identification number

IP/PORT of OLT2 • .

ONUn+n access identification number Table 2

In the embodiment of the present invention, since one OLT device can connect multiple ONU devices, the "IP/PORT" of the OLT device and the "ONU device access identifier" set in Table 2 above may have a one-to-many relationship.

Preferably, in step 203, the OLT device 12 dynamically allocates time slots from the time slots of the E1, and may adopt the following manner: when determining that the current time slot load of the E1 is lower than the set idle load threshold, Transmitting a time slot in a time slot in the signaling channel of the E1; and/or determining that the current time slot load of the E1 is higher than a set busy load threshold, from the non-signaling channel of the E1 Dynamically allocating time slots in the idle time slot; and/or determining that the current time slot load of the E1 is higher than the idle load threshold and lower than the busy load threshold, the non-signaling from the E1 Time slots are dynamically allocated in time slots in the channel.

In the embodiment of the present invention, after receiving the fault information collection instruction sent by the fault analysis server 11, the OLT device 12 may dynamically allocate time slots from the time slot of E1 periodically, in real time, or periodically.

An example of periodically allocating time slots from the time slot of E1 will be described. For example, the OLT device 12 needs to dynamically allocate time slots from the time slots of the E1; for each cycle, on the channel resources corresponding to the dynamically allocated time slots in the cycle, the receiving ONU device 13 according to the fault The information acquisition requesting the acquired failure information, and transmitting the failure information to the failure analysis server 11.

In the embodiment of the present invention, when the OLT device 12 determines that the load of the E1 time slot is higher than the set busy load threshold, check whether there is a free time slot in the non-signaling channel of the E1, and if so, dynamically allocate idle. The time slot, and receiving the fault information returned by the ONU device 13 from the channel resource corresponding to the dynamically allocated idle time slot; otherwise, not processing, waiting for the next cycle.

Preferably, in the foregoing step 203, the time slot load of the E1 is higher than the set busy load threshold in a plurality of consecutive periods, and the idle time slot is not present in the non-signaling channel of the E1. , The method may further include: the OLT device 12 selects the time slot with the longest occupation time from the time slots in the non-signaling channel of the El, and releases the time slot; and determines the time slot with the longest occupied time after the release as the required time. Dynamically allocated time slots.

Preferably, in order to reduce the impact of the acquisition of the fault information on the transmission of the E1 communication service, in the embodiment of the present invention, for each period, the time that the OLT device 12 receives the fault information returned by the ONU device 13 in the period is less than the period. The duration, and release the slot resources dynamically allocated during the period, and wait for the next period.

In the embodiment of the present invention, the OLT device 12 may further include: the OLT device 12, because the set of all the time slots of the non-signaling channel of the E1 is a resource pool based on a queue of a first in first out (FIFO) mechanism. When a time slot is dynamically allocated from the time slot of the non-signaling channel of E1, the dynamically allocated time slot is notified to the ONU device 13, and after the ONU device 13 confirms, it is determined that the dynamically allocated time slot is available.

Preferably, the step 203 in the foregoing process may further include: for each period, the OLT device 12 notifies the ONU device 13 of the time slot dynamically allocated from the time slot of the E1 in the period, and is in the ONU device 13 After the acknowledgment, the dynamically allocated time slot allocated in the period (the time slot may be a certain time slot in the E1 interface, represented by E1/TS), the ONU access identification number, and the IP/PORT of the failure analysis server 11 are established. Corresponding relationship, the corresponding relationship can be as shown in Table 3 below. Table 3 is a correspondence table between the ONU access identification number and the IP/PORT of the fault analysis server 11.

table 3 In the embodiment of the present invention, since the fault analysis server manages multiple ONU devices, in Table 3, "ONU device access identifier" and "E1/TS", and "failure collection analysis server IP/PORT" may be multiple pairs. A relationship.

Preferably, the foregoing step 204 may be: the OLT device 12 determines, from the table 3, the IP/PORT of the fault analysis server 11 corresponding to the ONU access identification number of the ONU device 13 in the period; and the ONU device 13 is The fault information returned on the channel resource of the dynamically allocated time slot in the period is sent to the determined IP/PORT of the fault analysis server. In this step, the OLT device 12 can send the fault information returned by the ONU device 13 to the fault analysis server 11 in the form of a UDP data packet.

Referring to FIG. 3, a specific process for obtaining fault information of an ONU device according to an embodiment of the present invention includes the following steps:

Step 301: When the fault analysis server determines that the fault information of the ONU device needs to be collected, it determines the start or close tracking command data that needs to be sent.

Step 302: Send the determined tracking command data to the OLT device connected to the ONU device in the form of a UDP data packet.

Step 303: The OLT device parses the received UDP data packet, and parses out the ONU access identification number and the tracking control command.

Step 304: When the tracking control command is off, step 310 is performed; when the tracking control command is on, step 305 is performed.

Step 305: The OLT device converts the format of the received UDP data packet into an ONU information format that can be recognized by the ONU device, and then sends the format to the ONU device.

Step 306~ Step 307: For each period, the OLT device dynamically allocates a time slot from the time slot of E1, and notifies the ONU device of the dynamically allocated time slot, and waits for the ONU device to confirm.

Step 308: The OLT device receives the fault information returned by the ONU device on the channel resource corresponding to the dynamically allocated time slot when the OLT device confirms. Step 309: The OLT device sends the received fault information to a corresponding TP/PORT of the fault analysis server.

Step 310, ending the process.

Referring to FIG. 4, a specific process of sending fault information of an ONU device in the embodiment of the present invention includes the following steps:

Step 401: When the current period arrives, the OLT device receives the fault information returned by the ONU device on the channel resource corresponding to the time slot dynamically allocated in the current period.

Step 402: The OLT device determines the IP/PORT of the fault analysis server according to the correspondence between the locally stored ONU access identification number and the IP/PORT correspondence table (Table 3) of the fault analysis server.

Step 403~ Step 404: The OLT device packs the received fault information into a data frame, and sends the data frame to the determined IP/PORT of the fault analysis server in a UDP data packet format.

Step 405 to step 406: The fault analysis server extracts the payload from the received UDP data packet, and analyzes the load to locate the fault of the ONU device.

The process of transmitting the ONU device failure information is periodically performed cyclically.

Based on the foregoing method flow, an embodiment of the present invention further provides an OLT, and the structure of the OLT is as shown in FIG. 5. Referring to FIG. 5, the OLT in the embodiment of the present invention includes: a first transceiver unit 51, a time slot allocating unit 52, and a second transceiver unit 53, wherein

The first transceiver unit 51 is configured to receive a fault information collection instruction sent by the fault analysis server, where the fault information collection instruction carries an ONU access identifier number, and access the identifier to the ONU according to the fault information collection instruction. The ONU device corresponding to the number sends a fault information acquisition request, and starts the time slot allocating unit 52;

a time slot allocating unit 52, configured to dynamically allocate a time slot from the time slot of the E1 according to a time slot load of E1, where the E1 is connected to the OLT device and the ONU device;

a second transceiver unit 53 for corresponding a time slot dynamically allocated by the time slot allocating unit 52 Receiving the fault information acquired by the ONU device according to the fault information acquisition request, and transmitting the received fault information to the fault analysis server.

Preferably, the time slot allocating unit 52 is specifically configured to: when determining that the current time slot load of the E1 is lower than the set idle load threshold, when dynamically allocated from the time slot in the signaling channel of the E1 And/or, when determining that the current time slot load of the E1 is higher than the set busy load threshold, dynamically allocating time slots from the idle time slots in the non-signaling channel of the E1; and/or determining When the current time slot load of the E1 is higher than the idle load threshold and lower than the busy load threshold, the time slot is dynamically allocated from the time slots in the non-signaling channel of the E1.

Preferably, the time slot allocating unit 52 is further configured to: in a plurality of consecutive cycles, the time slot load of the ΕΓ is higher than the set busy load threshold, and the non-signaling channel of the E1 does not exist. When the time slot is idle, the time slot with the longest occupation time is selected from the time slots in the non-signaling channel of the E1, and is released; and the time slot with the longest occupied time is determined to be dynamic. The assigned time slot.

Preferably, the OLT may further include a correspondence relationship establishing unit 54, and the correspondence relationship establishing unit 54 is configured to establish, for each period, dynamically allocated time slots, ONU access identification numbers, and fault analysis servers allocated in the period. Corresponding relationship of the IP/PORT; the second transceiver unit 53 is further configured to: for each period, the OLT device notifies the ONU device of the time slot dynamically allocated from the time slot of the E1 in the period, And after the ONU device confirms, the correspondence establishing unit 54 is started.

Preferably, the second transceiver unit 53 is specifically configured to: determine, from the correspondence established by the correspondence relationship establishing unit 54, a fault analysis server corresponding to an ONU access identification number of the ONU device in each period. IP/PORT; The fault information returned on the channel resource of the time slot dynamically allocated by the ONU device in each cycle is sent to the determined IP/PORT of the fault analysis server.

In the embodiment of the present invention, the OLT device receives the bearer sent by the fault analysis server. When the ONU accesses the fault information collection instruction of the identification number, it sends a fault information acquisition request to the corresponding ONU device; and dynamically allocates the time slot according to the current slot load of the E1, and receives the channel resource corresponding to the dynamically allocated time slot. The fault information returned by the ONU device; since the time slot is allocated from the time slot of the E1, the dynamic allocation is performed according to the actual situation of the current time slot load of the E1, thereby improving the rationality of allocating the time slot for transmitting the fault information, and reducing E1 affects the transmission of communication traffic signaling in the E1 signaling channel when transmitting fault information, and can transmit fault information while ensuring normal communication of communication service signaling, thereby improving E1 time slot resource utilization and reducing E1. The probability that the signaling channel will be abnormal when transmitting communication service signaling. The spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and the modifications of the invention

Claims

Claim

A method for obtaining an optical network unit (ONU) fault information, the method comprising:

The optical line terminal (OLT) device receives the fault information collection instruction sent by the fault analysis server, where the fault information collection instruction carries the ONU access identification number;

2. The method of claim 1, wherein dynamically allocating time slots from the time slots of the E1 comprises:

And/or, when it is determined that the current time slot load of the E1 is higher than the idle load threshold and lower than the busy load threshold, the time slot is dynamically allocated from the time slot in the non-signaling channel of the E1. .

3. The method of claim 2, wherein

The OLT device periodically dynamically allocates time slots from the time slots of the E1;

Receiving the fault information acquired by the ONU device according to the fault information acquisition request, and the fault is obtained on the channel resource corresponding to the dynamically allocated time slot in the period for each period. Information is sent to the failure analysis server.

The method of claim 3, wherein the dynamically allocating time slots from the time slots of the E1 further includes:

The OLT device is from the E1 when the time slot load of the E1 is higher than the set busy load threshold, and the idle time slot is not present in the non-signaling channel of the E1. In the time slot in the non-signaling channel, the time slot with the longest occupation time is selected and released; the time slot with the longest occupied time after the release is determined as the time slot that needs to be dynamically allocated.

The method according to claim 3, wherein the method further comprises: for each period, the OLT device notifying the time slot dynamically allocated from the time slot of the E1 in the period After the ONU device confirms, the ONU device establishes a correspondence between the dynamically allocated time slot, the ONU access identification number, and the IP/PORT of the fault analysis server in the period.

The method of claim 5, wherein the OLT device sends the fault information returned by the ONU device to the fault analysis server, including:

Determining, by the OLT device, the ONU access identification number of the ONU device in the period from the dynamically allocated time slot, the ONU access identification number, and the IP/PORT correspondence relationship of the fault analysis server Corresponding fault analysis server IP/PORT;

The fault information returned by the ONU device on the channel resource corresponding to the time slot dynamically allocated in the period is sent to the determined IP/PORT of the fault analysis server.

The method according to any one of claims 1 to 6, wherein the fault information collection instruction is a user data packet protocol UDP data packet; after the OLT device receives the UDP data packet, The method further includes:

The OLT device parses the UDP data packet, and parses the ONU access identification number from the UDP data packet.

8. The method of claim 7 wherein said OLT device is directed to said ONU The ONU device corresponding to the access identification number sends a fault information acquisition request, including:

The OLT device converts the format of the received UDP data packet into an ONU information format, and sends the formatted UDP data packet to the ONU device corresponding to the ONU access identification number.

9. The method of claim 8 wherein:

After the OLT device sends the fault information acquisition request to the ONU device corresponding to the ONU access identifier, the method further includes: when the ONU device receives the format converted UDP data packet, the UDP device The control command data frame in the data packet is parsed, and the name information of the open tracking command and the module to be tracked is parsed;

And obtaining, by the ONU device, the fault information that is requested to be obtained according to the fault information, the method includes: acquiring, by the ONU device, the fault information corresponding to the to-be-tracked module according to the start tracking command.

A system for acquiring fault information of an optical network unit, wherein the system comprises: a fault analysis server and an OLT device;

The fault analysis server is configured to send a fault information collection instruction, where the fault information collection instruction carries an ONU access identifier number;

The OLT device is configured to receive a fault information collection instruction sent by the fault analysis server, and send a fault information acquisition request to the ONU device corresponding to the ONU access identifier according to the fault information collection instruction; and, according to the E1 The time slot load is dynamically allocated from the time slot of the E1, and the fault information acquired by the ONU device according to the fault information acquisition request is received on the channel resource corresponding to the dynamically allocated time slot. E1 connects the OLT device and the ONU device; and sends fault information returned by the ONU device to the fault analysis server.

The system of claim 10, wherein the OLT device is further configured to: determine that the E1 current time slot load is lower than a set idle load threshold, from the E1 Time slots are dynamically allocated in time slots in the signaling channel;

The system of claim 11, wherein the OLT device is further configured to: periodically allocate time slots from the time slots of the E1;

Receiving the fault information acquired by the ONU device according to the fault information acquisition request, and transmitting the fault information to the fault analysis server, for each period, the channel resource corresponding to the time slot that is dynamically allocated in the period .

The system of claim 12, wherein the OLT device is further configured to: in a plurality of consecutive cycles, the time slot load of the E1 is higher than the set busy load threshold, and When there is no idle time slot in the non-signaling channel of the E1, the time slot with the longest occupation time is selected from the time slots in the non-signaling channel of the E1, and released; the occupied time after being released The oldest time slot is determined as a time slot that needs to be dynamically allocated.

The system of claim 12, wherein the OLT device is further configured to, for each period, notify the ONU of the time slot dynamically allocated from the time slot of the E1 in the period. And after the acknowledgment by the ONU device, establish a correspondence between the dynamically allocated time slot, the ONU access identification number, and the IP/PORT of the fault analysis server in the period.

The system of claim 14, wherein the OLT device is further configured to: the OLT device from the dynamically allocated time slot, an ONU access identification number, and an IP of the fault analysis server. In the corresponding relationship of the /PORT, determining the IP/PORT of the fault analysis server corresponding to the ONU access identification number of the ONU device in the period;

And transmitting, by the ONU device, fault information returned on the channel resource corresponding to the time slot dynamically allocated in the period to the determined IP/PORT of the fault analysis server.

An OLT device, the device comprising:

a first transceiver unit, configured to receive a fault information collection instruction sent by the fault analysis server, where the fault information collection instruction carries an ONU access identification number; and, according to the fault information collection instruction, access the identifier to the ONU The ONU device corresponding to the number sends a failure information acquisition request, and starts a time slot allocation unit;

a time slot allocation unit, configured to dynamically allocate a time slot from the time slot of the E1 according to a current time slot load of the E1; and receive, by using the fault information acquired by the ONU device according to the fault information acquisition request, the E1 connects the OLT device and the ONU device; and sends the received fault information to the fault analysis server.

The OLT device according to claim 16, wherein the time slot allocating unit is further configured to:

The OLT device according to claim 17, wherein the time slot allocating unit is further configured to: in a plurality of consecutive cycles, the time slot load of the E1 is higher than the set busy load threshold And when there is no idle time slot in the non-signaling channel of the E1, select the time slot with the longest occupation time from the time slot in the non-signaling channel of the E1, and release the occupied time slot after the release; The oldest time slot is determined as a time slot that needs to be dynamically allocated.

The OLT device according to claim 17, wherein the device further comprises a pair The unit should be established;

The second transceiver unit is further configured to, for each period, notify the ONU device of the time slot dynamically allocated from the time slot of the E1 in the period, and after the ONU device confirms, start the location Corresponding relationship establishing unit;

The corresponding relationship establishing unit is configured to establish a correspondence between the dynamically allocated time slot, the ONU access identification number, and the IP/PORT of the fault analysis server in the period.

The OLT device of claim 19, wherein the second transceiver unit is further configured to:

Determining, from the correspondence established by the correspondence establishing unit, an IP/PORT of the fault analysis server corresponding to the ONU access identification number of the ONU device in the period; The fault information returned on the channel resource corresponding to the dynamically allocated time slot in the period is sent to the determined IP/PORT of the fault analysis server.