WO2017000710A1 - Procédé de gestion d'unité de réseau optique (onu) et procédé et dispositif de traitement de messages - Google Patents

Procédé de gestion d'unité de réseau optique (onu) et procédé et dispositif de traitement de messages Download PDF

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Publication number
WO2017000710A1
WO2017000710A1 PCT/CN2016/083182 CN2016083182W WO2017000710A1 WO 2017000710 A1 WO2017000710 A1 WO 2017000710A1 CN 2016083182 W CN2016083182 W CN 2016083182W WO 2017000710 A1 WO2017000710 A1 WO 2017000710A1
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WIPO (PCT)
Prior art keywords
onu
binding
message
channel
management
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PCT/CN2016/083182
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English (en)
Chinese (zh)
Inventor
董志华
蒋昱
朱志丹
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中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2017000710A1 publication Critical patent/WO2017000710A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/34—Signalling channels for network management communication
    • H04L41/344—Out-of-band transfers

Definitions

  • This document relates to, but is not limited to, the field of communications, and in particular, to an optical network unit (ONU) management method, a message processing method and apparatus.
  • ONU optical network unit
  • the operator has defined the optical network unit (Optical Network Unit, ONU) for the remote application (Application, abbreviated as APP).
  • ONU optical Network Unit
  • APP Application, abbreviated as APP.
  • the interface connection channel interacts with the remote platform. Under normal circumstances, this method is really convenient and easy to maintain. However, in most cases, the Interface connection channel will not work in the event of a fault; or the heartbeat of the mobile app communication link cannot be maintained, causing a malfunction, which may cause it to work normally; if it is necessary to troubleshoot the fault, it will be troublesome. Of course, it is also possible to use the mobile phone to access the ONU's IEEE 802.11b-based wireless local area network (WiFi) to operate the ONU.
  • WiFi wireless local area network
  • the ONU needs to have the wifi access function, or the maintenance personnel bring their own access point (Access Point, referred to as AP) access, and this processing method must be entered into the user's home to operate, and it is cumbersome to enter the user's home when the fault occurs, and the processing efficiency is very low. It can be seen that when the Interface connection channel fails, the operation management ONU is limited by the environment, and the processing efficiency is low.
  • AP Access Point
  • Embodiments of the present invention provide an optical network unit (ONU) management method, a message processing method, and an apparatus, which can implement an operation management ONU.
  • ONU optical network unit
  • An embodiment of the present invention provides a method for managing an optical network unit, where the method includes: establishing, by using a remote service platform, an alternate channel for managing the ONU, where the remote service platform is provided by an optical line terminal OLT. Data transmission between the external interface and the ONU, the OLT A management channel for transmitting data is established between the ONU and the ONU; after determining that the interface of the interface for managing the ONU is faulty, the ONU is managed by using the established backup channel.
  • managing the ONU by using the established standby channel includes: binding with the ONU by using the remote service platform; and controlling the established standby channel after successfully binding to the ONU through the remote service platform. Enter the normal configuration mode; manage the ONU with an alternate channel entering the normal configuration mode.
  • the binding to the ONU by the remote service platform includes: acquiring an Internet Protocol IP address of the remote service platform; and delivering the IP address to the remote service platform according to the obtained IP address of the remote service platform.
  • a binding command for binding the ONU where the binding command carries the serial number SN information of the ONU, where the binding command is used by the remote service platform to transmit to the ONU through the OLT.
  • managing the ONU by using an alternate channel entering the normal configuration mode includes: transmitting, by using an alternate channel entering a normal configuration mode, a management message for configuring and/or querying the ONU, where the management The message carries a unique identification code; and receives a processing result returned by the ONU through the backup channel after processing according to the management message.
  • the method further includes:
  • the ONU is managed by the interface connection channel that is restored to normal.
  • releasing the binding relationship with the ONU includes: sending an unbinding message to the ONU; receiving an operation success result returned by the ONU according to the unbinding message; and exiting according to the successful operation result The management mode of the alternate channel.
  • the embodiment of the present invention further provides a message processing method, including: receiving a management message sent by a terminal through an alternate channel, where the standby channel is established by the terminal through a remote service platform, the remote service The platform passes through the external interface provided on the optical line terminal OLT and The optical network unit ONU performs data transmission, and a management channel for transmitting data is established between the OLT and the ONU; corresponding processing is performed according to the received management message; and the processing result is returned to the terminal.
  • the management message sent by the receiving terminal by using the standby channel includes: receiving a binding message sent by the remote service platform, where the binding message is a binding sent by the remote service platform according to the terminal a message transmitted by the command, the binding command carrying the serial number SN information of the ONU; processing the binding message; returning the binding success result to the terminal, wherein the binding success result is used for
  • the terminal controls the standby channel to enter a normal configuration mode; and receives a management message sent by the terminal by using the standby channel that enters the normal configuration mode.
  • the management message carries a unique identification code.
  • the method further includes: receiving an unbinding message sent by the terminal; and debinding according to the The message performs an unbinding operation; returns an unbinding operation success message to the terminal and closes the alternate channel.
  • the embodiment of the present invention further provides an apparatus for managing an ONU of an optical network unit, including: an establishing module configured to establish, by using a remote service platform, an alternate channel for managing the ONU, where the remote service platform Data transmission is performed between the external interface provided by the optical line terminal OLT and the ONU, and a management channel for transmitting data is established between the OLT and the ONU; the management module is configured to determine the management of the ONU. After the interface Interface is faulty, the ONU is managed by the established alternate channel.
  • the management module includes: a binding unit configured to bind to the ONU by using the remote service platform;
  • the control unit is configured to control the established standby channel to enter a normal configuration mode after being successfully bound to the ONU through the remote service platform;
  • the first management unit is configured to manage the ONU with the alternate channel entering a normal configuration mode.
  • the binding unit includes: the obtaining subunit is configured to obtain an internet protocol IP address of the remote service platform;
  • the sending sub-unit is configured to send a binding command for binding the ONU to the remote service platform according to the acquired IP address of the remote service platform, where the binding command carries the The serial number SN information of the ONU, where the binding command is used by the remote service platform to transmit a binding message to the ONU through the OLT;
  • the first receiving subunit is configured to receive a binding result returned by the ONU after processing the binding message carried in the binding command.
  • the first management unit includes: the first sending subunit is configured to send, by using the standby channel entering the normal configuration mode, a management message for configuring and/or querying the ONU to the ONU, where The management message carries a unique identification code;
  • the second receiving subunit is configured to receive a processing result returned by the ONU through the standby channel after being processed according to the management message.
  • the device further includes:
  • the determining unit is configured to determine whether the Interface connection channel returns to normal
  • the releasing unit is configured to release the binding relationship with the ONU when the Interface connection channel returns to normal;
  • the second management unit is configured to manage the ONU by using the interface connection channel that is restored to normal.
  • the releasing unit includes:
  • the second sending subunit is configured to send an unbinding message to the ONU;
  • the third receiving subunit is configured to receive an operation success result returned by the ONU according to the unbinding message
  • an embodiment of the present invention further provides a terminal, including the device described above.
  • an embodiment of the present invention further provides an apparatus for message processing, including: a first receiving module is configured to receive a management message sent by a terminal through an alternate channel, where the standby channel is a remote service for the terminal.
  • the remote service platform performs data transmission by using an external interface provided by the optical line terminal OLT and the optical network unit ONU, the OLT and the A management channel for transmitting data is established between the ONUs;
  • the processing module is configured to perform corresponding processing according to the management message
  • the first return module is configured to return a processing result to the terminal.
  • the first receiving module includes: the first receiving unit is configured to receive a binding message transmitted by the remote service platform, where the binding message is sent by the remote service platform according to the terminal The message transmitted by the binding command, where the binding command carries the serial number SN information of the ONU;
  • the processing unit is configured to process the binding message
  • the returning unit is configured to return a successful binding result to the terminal, where the binding success result is used by the terminal to control the standby channel to enter a normal configuration mode;
  • the second receiving unit is configured to receive a management message sent by the terminal by using the standby channel that enters the normal configuration mode.
  • the management message carries a unique identification code.
  • the device further includes: the second receiving module is configured to receive an unbinding message sent by the terminal;
  • the operation module is configured to perform an unbinding operation according to the unbinding message
  • the second return module is configured to return an unbinding operation success message to the terminal and close the standby channel.
  • an embodiment of the present invention further provides an optical network unit ONU, including the apparatus described above.
  • an alternate channel for managing an ONU is established through a remote service platform, wherein the remote service platform performs data transmission through an external interface provided by an optical line terminal (OLT) and an ONU, and a useful relationship between the OLT and the ONU is established.
  • the management channel for transmitting data after determining the interface connection channel for managing the ONU, the backup channel is used to manage the ONU. Efficient management of the ONU after the interface connection channel fails.
  • FIG. 1 is a flowchart of a method for managing an ONU of an optical network unit according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a method for message processing according to an embodiment of the present invention.
  • FIG. 3 is a structural block diagram of an apparatus for managing an ONU of an optical network unit according to an embodiment of the present invention
  • FIG. 4 is a structural block diagram of a management module 34 in an apparatus managed by an optical network unit ONU according to an embodiment of the present invention
  • FIG. 5 is a structural block diagram of a binding unit 42 in an apparatus managed by an optical network unit ONU according to an embodiment of the present invention
  • FIG. 6 is a structural block diagram of a first management unit 46 in an apparatus managed by an optical network unit ONU according to an embodiment of the present invention
  • FIG. 7 is a block diagram showing an optional structure of a management module 34 in an apparatus managed by an optical network unit ONU according to an embodiment of the present invention
  • FIG. 8 is a structural block diagram of the releasing unit 74 in the device managed by the optical network unit ONU according to the embodiment of the present invention.
  • FIG. 9 is a structural block diagram of a terminal according to an embodiment of the present invention.
  • FIG. 10 is a structural block diagram of an apparatus for message processing according to an embodiment of the present invention.
  • FIG. 11 is a structural block diagram of a receiving module 102 in an apparatus for message processing according to an embodiment of the present invention.
  • FIG. 12 is a block diagram showing an optional structure of an apparatus for message processing according to an embodiment of the present invention.
  • FIG. 13 is a structural block diagram of an optical network unit ONU according to an embodiment of the present invention.
  • FIG. 14 is a topological diagram of an EPON system according to an embodiment of the present invention.
  • 15 is a flowchart of an overall management of an ONU according to an embodiment of the present invention.
  • 16 is a flow chart of switching to an alternate channel according to an embodiment of the present invention.
  • 17 is a flowchart of managing an ONU through an alternate channel according to an embodiment of the present invention.
  • FIG. 19 is a schematic diagram of an extended OAM frame format used to establish an extended OAM channel according to an embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for managing an ONU of an optical network unit according to an embodiment of the present invention. As shown in FIG. 1, the process includes the following steps:
  • Step 102 Establish an alternate channel for managing the ONU through the remote service platform, where the remote service platform performs data transmission through the external interface provided by the optical line terminal (OLT) and the ONU, and the data is transmitted between the OLT and the ONU.
  • Management channel ;
  • Step 104 After determining that the interface (Interface) connection channel for managing the ONU is faulty, the ONU is managed by using the established alternate channel.
  • the ONU can be managed by using a pre-established backup channel for managing the ONU, compared with the wifi that needs to be connected to the ONU in the related art, or needs to enter the user's home to manage the ONU, and the present invention
  • the method in the embodiment can be applied to various ONUs (including ONUs with wifi access function and wifi access function), and also does not need to enter the user's home, saving administrator time. Therefore, the problem that the ONU cannot be effectively operated after the interface connection channel is faulty exists in the related art.
  • the managing the ONU by using the foregoing standby channel includes: binding the ONU through the remote service platform; after the binding is successful, controlling the standby channel to enter the normal configuration mode; and utilizing the standby channel management that enters the normal configuration mode. ONU.
  • the binding to the ONU by the remote service platform includes: obtaining an Internet Protocol (IP) address of the remote service platform, and delivering the binding for binding the ONU to the remote service platform according to the IP address.
  • IP Internet Protocol
  • the binding command carries the serial number (Series Number, SN for short) information of the ONU, and the binding command is used by the remote service platform to transmit the binding message to the ONU through the OLT; receiving the binding of the ONU The binding result returned after the binding message carried in the command is processed.
  • managing the ONU with the alternate channel entering the normal configuration mode includes: transmitting, by using an alternate channel entering the normal configuration mode, a management message for configuring and/or querying the ONU, wherein the management message is Carrying a unique identification code; receiving the processing result returned by the ONU through the backup channel after processing according to the above management message.
  • the purpose of the above-mentioned management message carrying the unique identification code is to avoid conflicts between the process of interacting with the ONU and the interaction process of the Operation Administration and Maintenance (OAM) itself; the unique identification code, The identifier of the alternate channel can be used. After the ONU resolves to the unique identifier, the message that the management message is the alternate channel can be determined by the unique identifier.
  • the method further includes: determining whether the interface connection channel returns to normal; and when the interface connection channel returns to normal, releasing the binding relationship with the ONU; The above ONUs are managed by using a normal interface connection channel.
  • releasing the binding relationship with the ONU includes: sending an unbinding message to the ONU; receiving an operation success result returned by the ONU according to the unbinding message; and exiting the standby channel according to the successful result of the operation Management mode. That is, when the Interface connection channel returns to normal, the channel that manages the ONU is switched to the normal Interface connection channel.
  • the method for managing an optical network unit provided in this embodiment may be implemented by a network side terminal.
  • the embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the method for managing the optical network unit.
  • FIG. 2 is a flowchart of a method for message processing according to an embodiment of the present invention. As shown in FIG. 2, the process includes:
  • Step 202 The management message sent by the terminal through the standby channel, where the standby channel is established by the terminal through the remote service platform, and the remote service platform performs data transmission through the external interface provided by the optical line terminal OLT and the optical network unit ONU.
  • a management channel for transmitting data is established between the OLT and the ONU;
  • Step 204 Perform corresponding processing according to the received management message.
  • performing the corresponding processing according to the received management message may include: checking the current state of the optical network terminal, the cause of the fault, the crawling log, and the like;
  • Step 206 Return the processing result of the management message to the terminal.
  • the main body that performs the above process may be an ONU.
  • the management message sent by the terminal through the standby channel may be received, so that when the interface connection channel fails, the management message sent by the receiving terminal is not affected.
  • the method in the above embodiment can effectively solve the problem in the related art, as compared with the related art, when the interface connection channel is faulty, the terminal needs to access the wifi of the ONU, or the administrator needs to enter the user's home to manage the ONU.
  • the interface connection channel fails, the problem of managing the ONU cannot be effectively operated, and the effect of managing the ONU by using the alternate channel after the interface connection channel is faulted is achieved.
  • the receiving, by the receiving terminal, the management message sent by the standby channel comprises: receiving a binding message transmitted by the remote service platform, where the binding message is a message transmitted by the remote service platform according to the binding command sent by the terminal.
  • the binding command carries the serial number (SN) information of the ONU; the binding message is processed; the binding success result is returned to the terminal, wherein the binding success result is used by the terminal to control the standby channel to enter the normal state.
  • the configuration mode receives the management message sent by the terminal through the standby channel that enters the normal configuration mode.
  • the management message carries a unique identification code.
  • the purpose of carrying the unique identification code in the management message is to avoid conflicts between the process of the terminal interacting with the ONU and the interaction process of the Operation Operation and Maintenance (OAM) itself.
  • OAM Operation Operation and Maintenance
  • the method further includes: receiving an unbinding message sent by the terminal; performing an unbinding operation according to the unbinding message ; Return the unbinding operation success message to the terminal and close the above alternate channel.
  • the method for message processing in the embodiment of the present invention may be implemented by using a mobile phone or a tablet computer or the like to connect to a terminal device such as wifi.
  • the embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the message processing method.
  • an apparatus for managing an ONU of an optical network unit is provided, and the apparatus is used to implement the foregoing embodiments and optional implementations, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 3 is a structural block diagram of an ONU management apparatus for an optical network unit according to an embodiment of the present invention. As shown in FIG. 3, the apparatus includes an establishing module 32 and a management module 34, which will be described below.
  • the establishing module 32 is configured to establish an alternate channel for managing the ONU through the remote service platform, wherein the remote service platform performs data transmission through the external interface provided by the optical line terminal (OLT) and the ONU, and the utility between the OLT and the ONU is established.
  • the management module 34 is configured to be connected to the above-mentioned establishing module 32. After determining that the interface of the interface for managing the ONU is faulty, the ONU is managed by using the established standby channel.
  • FIG. 4 is a structural block diagram of a management module 34 in an apparatus for managing an optical network unit according to an embodiment of the present invention. As shown in FIG. 4, the management module 34 includes a binding unit 42, a control unit 44, and a first management unit 46. The management module 34 will be described.
  • the binding unit 42 is configured to be bound to the ONU through the remote service platform; the control unit 44 is configured to be connected to the binding unit 42, and after the binding to the ONU through the remote service platform is successful, the control established standby channel enters the normal state.
  • FIG. 5 is a structural block diagram of a binding unit 42 in an ONU management apparatus of an optical network unit according to an embodiment of the present invention.
  • the binding unit 42 includes an obtaining subunit 52, a sending subunit 54, and a first receiving sub Unit 56, the binding unit 42 will be described below.
  • the obtaining sub-unit 52 is configured to obtain an Internet Protocol (IP) address of the remote service platform
  • the sending sub-unit 54 is connected to the obtaining sub-unit 52, and is configured to deliver the data to the remote service platform according to the obtained IP address of the remote service platform.
  • IP Internet Protocol
  • a binding command for binding an ONU where the binding command carries the serial number SN information of the ONU, where the binding command is used by the remote service platform to transmit a binding message to the ONU through the OLT; the first receiving subunit 56 And the connection to the sending sub-unit 54 is configured to receive the binding result returned by the ONU after processing the binding message carried in the binding command.
  • FIG. 6 is a structural block diagram of a first management unit 46 in an apparatus for managing an optical network unit according to an embodiment of the present invention. As shown in FIG. 6, the first management unit 46 includes a first transmitting subunit 62 and a second receiving subunit 64. The first management unit 46 will be described below.
  • the first sending sub-unit 62 is configured to send a management message for configuring and/or querying the ONU to the ONU by using an alternate channel entering the normal configuration mode, wherein the management message carries a unique identification code; the second receiving sub-unit 64 And connected to the first sending sub-unit 62, configured to receive a processing result that the ONU returns according to the management message and returns through the standby channel.
  • FIG. 7 is a block diagram showing an optional structure of the management module 34 in the apparatus for managing the optical network unit according to the embodiment of the present invention.
  • the management module 34 includes a determining unit 72 in addition to all the units shown in FIG.
  • the release unit 74 and the second management unit 76 are described below.
  • the determining unit 72 is connected to the first management unit 46, and is configured to determine whether the interface connection channel is restored to normal.
  • the releasing unit 74 is connected to the determining unit 72, and is configured to release the binding between the ONU and the ONU when the interface is restored.
  • the second management unit 76 is connected to the above-mentioned release unit 74 and is configured to manage the ONU by using a restored interface connection channel.
  • FIG. 8 is a block diagram showing the structure of the releasing unit 74 in the apparatus managed by the optical network unit ONU according to the embodiment of the present invention.
  • the releasing unit 74 includes a second transmitting subunit 82, a third receiving subunit 84, and a quitper. Unit 86, the release unit 74 will be described below.
  • the second sending subunit 82 is configured to send an unbinding message to the ONU; the third receiving subunit 84, connected to the second sending sub-unit 82, configured to receive an operation success result returned by the ONU according to the unbinding message; the exit sub-unit 86 is connected to the third receiving sub-unit 84, and is set to be successful according to the foregoing operation. Exit the management mode of the alternate channel.
  • FIG. 9 is a structural block diagram of a terminal according to an embodiment of the present invention. As shown in FIG. 9, the terminal 92 includes the device 94 managed by the ONU.
  • FIG. 10 is a structural block diagram of an apparatus for message processing according to an embodiment of the present invention. As shown in FIG. 10, the message processing apparatus includes a first receiving module 102, a processing module 104, and a first returning module 106. Description.
  • the first receiving module 102 is configured to receive a management message sent by the terminal through the standby channel, where the standby channel is established by the terminal through the remote service platform, and the remote service platform is performed by the external interface and the optical network unit ONU provided by the optical line terminal OLT. Data transmission, a management channel for transmitting data is established between the OLT and the ONU; the processing module 104 is connected to the first receiving module 102, and is configured to perform corresponding processing according to the management message; the first returning module 106 is connected to the foregoing The processing module 104 is configured to return a processing result to the terminal.
  • FIG. 11 is a structural block diagram of a receiving module 102 in an apparatus for message processing according to an embodiment of the present invention.
  • the receiving module 102 includes a first receiving unit 112, a processing unit 114, a returning unit 116, and a second receiving unit 118.
  • the receiving module 102 will be described below.
  • the first receiving unit 112 is configured to receive a binding message transmitted by the remote service platform, where the binding message is a message that is sent by the remote service platform according to the binding command sent by the terminal, and the binding command carries the series of ONUs.
  • No. (SN) information the processing unit 114 is connected to the first receiving unit 112, and is configured to process the binding message; the returning unit 116 is connected to the processing unit 114, and is configured to return the binding success result to the terminal.
  • the binding success result is used by the terminal to control the standby channel to enter the normal configuration mode; the second receiving unit 118 is connected to the first returning unit 116, and is configured to receive the management message sent by the terminal by entering the standby channel of the normal configuration mode. .
  • the foregoing management message carries a unique identification code.
  • FIG. 12 is a block diagram showing an optional structure of a message processing apparatus according to an embodiment of the present invention.
  • the receiving module 102 includes a second receiving module 122, in addition to all the modules shown in FIG.
  • the operation module 124 and the second return module 126 are described below.
  • the second receiving module 122 is connected to the first receiving module 102, and is configured to receive an unbinding message sent by the terminal.
  • the operating module 124 is connected to the second receiving module 122, and is configured to be unbound according to the unbinding message.
  • the second return module 126 is connected to the operation module 124, and is configured to return a debinding operation success message to the terminal and close the standby channel.
  • FIG. 13 is a structural block diagram of an optical network unit (ONU) according to an embodiment of the present invention. As shown in FIG. 13, the ONU 132 includes the above-described message processing device 134.
  • the present invention will be described below by taking the above terminal as a smart phone device as an example. It can be seen from the foregoing embodiment that, in order to facilitate state detection and troubleshooting of the remote ONU, an alternate channel is provided, and the ONU is managed by the management channel in the PON network through the smart phone device. With this method, as long as the optical network terminal ONU establishes a management channel with the OLT, the ONU can be managed remotely through the smart terminal. When the remote communication link of the mobile APP is faulty, you can quickly switch to the alternate channel, query the current running status and main parameters of the ONU, analyze the cause of the fault, and quickly locate the problem. After troubleshooting, it is also convenient to switch to the normal communication link.
  • the following describes how to manage the ONU by using a smart phone.
  • the management process includes the following steps:
  • Step A Add support for the universal exchange format on the optical network unit (ONU); such as JSON (java Script Object notation, is a lightweight data exchange format), protocol cache protocol buffer, thrift (a software framework) For development of scalable and cross-language services, etc.
  • JSON java Script Object notation
  • protocol cache protocol buffer a software framework
  • Step A also includes defining a common data exchange format common to the ONU and the APP side.
  • the content contained in the universal format is determined according to actual needs, but needs to have a basic format, such as a message type, a message sequence number, a command type, and a message status. Configuration content, etc.
  • the ONU needs to support the data of the universal switching format to be transmitted through the management channel of the ONU.
  • the Ethernet Passive Optical Network (EPON) product the extended OAM mode is adopted.
  • Step B Establish a management channel of the OLT and the optical network unit (ONU) for carrying the general data exchange format generated in step A.
  • step B the definition of the frame format common to the ONU and the OLT is also included, and the management channel is implemented by using the frame format.
  • the frame format is used to carry a common data exchange format to implement data interaction between the remote intelligent terminal and the ONU.
  • the OLT also needs to provide an external interface for other platforms to receive content generated by the ONU side in a common data exchange format.
  • the OLT itself does not perform any processing on the general interaction data and directly transmits it to the remote service management platform.
  • Step C Providing a remote service management platform, the remote intelligent terminal manages and operates the ONU through the platform.
  • the link switches to the remote service platform, and the intelligent terminal operation mode of the management channel is adopted.
  • the intelligent terminal can implement the operation and maintenance of the ONU by performing the following steps, that is, managing the OUN.
  • Step 1 Configure the IP address of the remote service platform on the smart terminal.
  • the intelligent terminal detects the remote ONU failure, the intelligent terminal switches to the remote service platform according to the configured IP address.
  • Step 2 The smart terminal sends a command to bind to the ONU of the terminal.
  • the command is transmitted in the general data exchange format in step A, and the content carried is the SN information of the ONU.
  • Step 3 The remote service management platform connects to the OLT through a protocol such as Simple Network Management Protocol (SNMP), and invokes the interface of the common data interaction format provided by the OLT in step B.
  • SNMP Simple Network Management Protocol
  • Step 4 After the binding message is transparently transmitted to the ONU through the OLT, the ONU decodes the general data interaction content, and after verifying the password, sends the result to the intelligent terminal.
  • Step 5 After the binding is successful, the standby channel enters the normal configuration mode, and the intelligent terminal can configure and query the ONU.
  • the interaction process between the intelligent terminal and the ONU should not conflict with the interaction process of the extended OAM itself. That is to say, each message of the intelligent terminal and the ONU should carry a unique identification code, and each packet of data is processed by using a unique identification code.
  • the common universal data format of the intelligent terminal and the ONU may adopt a format defined in the telecommunication specification, or may negotiate a new format as needed.
  • Step D After the normal Interface connection channel is restored, the connection channel between the intelligent terminal and the ONU Switch to the Interface connection channel.
  • Steps for the intelligent terminal to switch back to the normal operation channel :
  • Step 1 The unbinding command is sent to the ONU through the smart terminal, and the command is encapsulated in a common data format.
  • Step 2 After receiving the unbinding message sent by the intelligent terminal, the ONU returns an operation success message to the intelligent terminal, and closes the connection channel of the intelligent terminal.
  • Step 3 The intelligent terminal exits the standby channel management mode and switches to the normal Interface connection channel to operate the intelligent terminal.
  • FIG. 14 is a topological diagram of an EPON system according to an embodiment of the present invention
  • FIG. 14 is a diagram showing an EPON network topology diagram related to an embodiment of the present invention and a basic implementation diagram in the embodiment of the present invention.
  • an OLT can connect multiple ONUs through a splitter.
  • the downlink data transmission mode from the OLT to the ONU is time division multiplexing and physical layer broadcast mode, that is, each downlink frame is sent to all ONUs.
  • Source Optical Network (PON) port Source Optical Network (PON) port.
  • the uplink data transmission mode from the ONU to the OLT is Time Division Multiple Access (TDMA).
  • TDMA Time Division Multiple Access
  • the smart terminal mobile phone, tablet, etc.
  • the remote service platform and the OLT directly adopt a simple network management protocol (snmp).
  • FIG. 15 is an overall flowchart of ONU management according to an embodiment of the present invention. As shown in FIG. 15, the process includes the following steps:
  • Step 1502 Add a general format parsing module to the ONU.
  • a universal data exchange interface is provided on the ONU, and the ONU can be operated through the data exchange interface, so that the ONU can receive an operation command sent from the smart terminal side through the interface.
  • Step 1504 Establish a management channel for carrying a universal exchange format.
  • the extended OAM protocol in the related art is extended to define a frame format and related parameters common to the ONU and the OLT side for transmitting a general data interface.
  • Step 1506 Provide an alternate channel remote service platform, where the original link fails and switches to the standby channel.
  • Step 1508 The intelligent terminal operates the ONU through the standby channel to perform information query and fault location.
  • Step 1510 When the Interface connection returns to normal, the connection channel of the intelligent terminal and the ONU is switched to the normal Interface connection channel.
  • FIG. 16 is a flowchart of switching to an alternate channel according to an embodiment of the present invention.
  • FIG. 16 is a description of an optional implementation manner of step S1506. As shown in FIG. 16, the process includes the following steps:
  • Step 1602 Configure an IP address of the remote service platform on the smart terminal, and switch to the alternate channel remote service platform according to the configured IP address.
  • Step 1604 The remote standby management platform connects to the OLT through a protocol such as SNMP.
  • Step 1606 The smart terminal sends the command bound to the ONU of the terminal through the Hypertext Transfer Protocol (http), and the content carried by the smart terminal is the SN information of the ONU.
  • https Hypertext Transfer Protocol
  • Step 1608 The ONU decodes the general data interaction content, and sends the result to the smart terminal after the password is successfully verified.
  • Step 1610 After the binding is successful, the standby channel enters the normal configuration mode, and the intelligent terminal can configure and query the ONU.
  • the standby channel is successfully established, and the ONU can be managed and operated by the intelligent terminal.
  • FIG. 17 is a flowchart of managing an ONU through an alternate channel according to an embodiment of the present invention.
  • FIG. 17 is a description of an optional implementation manner of step 1508. As shown in FIG. 17, the process includes the following steps:
  • Step 1702 The intelligent terminal sends a query or configured operation to the ONU through the standby channel.
  • Step 1704 After receiving the command, the ONU decodes the common data format, processes the corresponding command, and encapsulates the result of the command into a common data format, and then sends the result to the smart terminal through the backup channel.
  • Step 1706 After receiving the data returned by the ONU, the smart terminal performs decoding and display on the operation interface.
  • FIG. 18 is a flowchart of switching to a normal interface connection channel according to an embodiment of the present invention.
  • FIG. 18 is a description of an optional implementation manner of step 1510. As shown in FIG. 18, the process includes the following steps:
  • step 1802 the unbinding command is sent to the ONU through the smart terminal, and the command is encapsulated in a common data format.
  • Step 1804 After receiving the unbinding message sent by the intelligent terminal, the ONU returns an operation success message to the intelligent terminal, and closes the connection channel of the intelligent terminal.
  • Step 1806 The intelligent terminal exits the standby channel management mode, and switches to a normal Interface connection channel to operate the smart terminal.
  • FIG. 19 is a schematic diagram of an extended OAM frame format used to establish an extended OAM channel according to an embodiment of the present invention.
  • FIG. 19-1 is a request frame format
  • FIG. 19-2 is a response format.
  • Common fields for request format and response format destination address, source address, frame length, frame type, tag, padding field, and frame check sequence.
  • the other fields of the request frame are as follows: spreading code (Code, 1 byte, fixed padding 0xFE), using the extension code defined by IEEE802.3; organization identifier (value 0xD0D09D), extended opcode (Opcode value 0x01), branch Field (Branch, value 0x0F), leaf field (Leaf value 0x0106).
  • the other fields of the response frame are as follows: spreading code (Code, 1 byte, fixed padding 0xFE), using the IEEE802.3 defined spreading code; organization identifier (value 0xD0D09D), extended opcode (Opcode value 0x02), branch Field (Branch, value 0x0F), leaf field (Leaf value 0x0106), JSON character length (Variable Width 1 byte, 0x400), JSON string (1024 bytes). Among them, the JSON string fills the unreasonable content according to different commands.
  • each of the foregoing modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.
  • Embodiments of the present invention also provide a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • the standby channel for managing the ONU is established through the remote service platform, wherein the remote service platform performs data transmission through the external interface and the ONU provided by the optical line terminal OLT, and a management channel for transmitting data is established between the OLT and the ONU. ;
  • the backup channel is used to manage the ONU.
  • the storage medium is further arranged to store program code for performing the following steps:
  • the management terminal sends a management message sent by the standby channel, where the standby channel is a terminal.
  • the remote service platform performs data transmission through the external interface provided by the optical line terminal OLT and the optical network unit ONU, and a management channel for transmitting data is established between the OLT and the ONU;
  • the foregoing storage medium may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), and a Random Access Memory (RAM).
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a medium that can store program code such as a hard disk, a disk, or a disc.
  • the processor performs the above steps 11-12 according to the stored program code in the storage medium.
  • the processor performs the above steps 21-23 according to the stored program code in the storage medium.
  • the solution in the embodiment of the present invention can be independent of the inband IP. Even when the ONU is not connected to the public network, the terminal can query the information and status of the ONU through the management channel, so that when the original link is faulty, As long as the management channel of the optical network terminal exists, the method can be used for fault location and status inquiry, which can be a good complement to the original mobile phone APP system.
  • each module/unit in the foregoing embodiment may be implemented in the form of hardware, for example, by implementing an integrated circuit to implement its corresponding function, or may be implemented in the form of a software function module, for example, being executed by a processor and stored in a memory. Programs/instructions to implement their respective functions.
  • the invention is not limited to any particular form of hardware and software Combination of. ”
  • the above technical solution improves the efficiency of operating the ONU after the interface connection channel fails.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

La présente invention concerne un procédé de gestion d'unité de réseau optique (ONU) et un procédé et un dispositif de traitement de messages, comprenant les étapes consistant à : établir un canal de secours pour gérer des ONU au moyen d'une plate-forme de service à distance, la plate-forme de service à distance effectuant une transmission de données avec les ONU par l'intermédiaire d'une interface sortante fournie par un terminal de ligne optique (OLT), et un canal de gestion pour transmettre des données est établi entre l'OLT et l'ONU ; et lorsqu'une défaillance d'un canal de connexion d'interface pour la gestion des ONU est déterminée, utiliser le canal de secours pour gérer les ONU. Les modes de réalisation de la présente invention augmentent l'efficacité d'exploitation et de gestion des ONU lorsqu'un canal de connexion d'interface est en panne.
PCT/CN2016/083182 2015-06-29 2016-05-24 Procédé de gestion d'unité de réseau optique (onu) et procédé et dispositif de traitement de messages WO2017000710A1 (fr)

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