WO2016086402A1 - 数据通信的方法、装置和系统 - Google Patents

数据通信的方法、装置和系统 Download PDF

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Publication number
WO2016086402A1
WO2016086402A1 PCT/CN2014/093100 CN2014093100W WO2016086402A1 WO 2016086402 A1 WO2016086402 A1 WO 2016086402A1 CN 2014093100 W CN2014093100 W CN 2014093100W WO 2016086402 A1 WO2016086402 A1 WO 2016086402A1
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Prior art keywords
network
network device
host device
identifier information
host
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PCT/CN2014/093100
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English (en)
French (fr)
Inventor
乔剑
Original Assignee
华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201480076996.2A priority Critical patent/CN106105060B/zh
Priority to PCT/CN2014/093100 priority patent/WO2016086402A1/zh
Publication of WO2016086402A1 publication Critical patent/WO2016086402A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, apparatus and system for data communication in the field of communications.
  • the Small Form-Factor Pluggable (SFP) Optical Network Unit is a passive optical network (PON) Media Access Control (MAC) function of the ONU.
  • PON passive optical network
  • MAC Media Access Control
  • the module can be plugged into the specified HOST (master device), so that the HOST has the PON uplink interface function.
  • the existing network operation and maintenance management system includes: Fiber to the X (FTTX) network and HOST network inserted by SFP ONU. These two networks have their own independent operation and maintenance management systems, and are composed of two The departments operate independently.
  • the FTTX network includes: an SFP ONU, a splitter and an optical line terminal (OLT), and a PON system network management system (NMS), where the ONU is connected to the OLT through a splitter, the OLT Connected to the PON system NMS;
  • the HOST network includes: a HOST and a HOST device NMS.
  • the HOST network inserted by the FTTX network and the SFP ONU has their own independent operation and maintenance management systems, which operate independently.
  • the PON system NMS in the FTTx network can only detect the fault of its own network.
  • the Host network can only detect the fault of the HOST network itself, so that the FTTx network must be manually performed after the fault occurs. Checking one by one with the Host network, resulting in poor fault location, time-consuming and labor-intensive, and seriously affecting the efficiency of operation and maintenance.
  • the HOST device can detect that the HOST device is not faulty, but does not know the corresponding PON SFP ONU device information.
  • the PON operation and maintenance personnel perform fault maintenance, which causes the maintenance personnel to repeatedly check and locate the faults on site. This makes the fault location time-consuming and laborious, and the fault location effect is not good, which seriously affects the operation and maintenance efficiency.
  • Embodiments of the present invention provide a data communication method, apparatus, and system, which can implement a fault Automatic and fast positioning improves the accuracy of fault location and the efficiency of operation and maintenance.
  • a method of data communication comprising:
  • the first network management device establishes the identifier information of the second network device and the identifier information of the first network device according to the identifier information of the second network device and the identifier information of the first network device that is managed by the first network device.
  • Correspondence table
  • the first network management device When the first network management device detects that the first network device is not working properly, and the first network device is not faulty, the first network management device obtains a location according to the established correspondence table.
  • the first network management device sends the identifier information of the second network device to the second network management device for fault processing.
  • the second network management device is a passive optical network system network management system
  • the first network device is a host device
  • the second network device is The network device of the passive optical network related to the host device, where the method specifically includes:
  • the host device network management system acquires identification information of the network device of the passive optical network
  • the passive optical network corresponding to the host device when the host device network management system determines that the host device is incapable of working normally, and the host device is not faulty. Identification information of the network device;
  • the host device network management system sends the identifier information of the network device of the passive optical network to the network management system of the passive optical network system for fault processing.
  • the first network management device is a passive optical network system network management system
  • the second network management device is a host device network management system
  • the first network device is a network device of a passive optical network
  • the second The network device is a host device related to the network device of the passive optical network
  • the passive optical network system network management system establishes identification information of the host device and the passive optical network according to the identifier information of the host device and the network device identification information of the passive optical network managed by the host device. a correspondence table of identification information of the network device;
  • the passive optical network system determines that one of the network devices of the passive optical network cannot work normally, and the network device itself has no fault, obtain and passive according to the established correspondence table. Identification information of the host device corresponding to the optical network device;
  • the passive optical network system network management system sends the identifier information of the host device to the host device network management system for fault processing.
  • the passive optical network includes at least: a small pluggable optical network unit and an optical line terminal connected to the small pluggable optical network unit;
  • the identification information of the host device includes: an identifier of the host device, a serial number of the host device, media access control information of the host device, and one or more combinations of Internet protocol addresses of the host device;
  • the identification information of the network device of the passive optical network includes: an identifier of the small pluggable optical network unit, a serial number of the small pluggable optical network unit, and media access of the small pluggable optical network unit
  • the control information, the identifier of the optical line terminal connected to the small pluggable optical network unit, the frame number of the optical line terminal where the small pluggable optical network unit is located, and the optical line where the small pluggable optical network unit is located One or several combinations of the slot number of the terminal and the port number of the optical line terminal where the small form factor pluggable optical network unit is located.
  • the established correspondence table further includes: priority information of the host device.
  • the method further includes:
  • the passive optical network system network management system determines the priority information of the host device according to the established correspondence table.
  • a data communication device comprising:
  • the transceiver unit is configured to acquire the identifier information of the second network device that is managed by the second network management device, and send the identifier information of the second network device to the second network management device to perform the fault according to the indication of the fault processing unit. deal with;
  • a relationship table establishing unit configured to establish, according to the identifier information of the second network device and the identifier information of the first network device that is managed by itself, the identifier information of the second network device and the identifier information of the first network device Correspondence table
  • a fault processing unit configured to: when the first network management device detects that the first network device is unable to work normally, and the first network device is faultless, the first network management device is configured according to the The relationship table is configured to obtain the identifier information of the second network device corresponding to the first network device, and the sending and receiving unit is configured to send the identifier information of the second network device to the second network management device for fault processing.
  • the identifier information of the first network device includes: an identifier of the first network device, a sequence number of the first network device, and a location One or several combinations of media access control information of the first network device and an internet protocol address of the first network device;
  • the identifier information of the second network device includes: an identifier of the second network device, a sequence number of the second network device, media access control information of the second network device, and a connection with the second network device. Identification of other network devices, a frame number of other network devices connected to the second network device, a slot number of other network devices connected to the second network device, and other networks connected to the second network device One or several combinations of port numbers of devices.
  • the identifier information of the first network device includes: an identifier of the first network device, a sequence number of the first network device, media access control information of the first network device, and a connection with the first network device. Identification of other network devices, a frame number of other network devices connected to the first network device, a slot number of other network devices connected to the first network device, and other network devices connected to the first network device One or several combinations of port numbers;
  • the identifier information of the second network device includes: an identifier of the second network device included in the second network, a sequence number of the second network device, media access control information of the second network device, and a One or several combinations of Internet Protocol addresses of the second network device.
  • the established correspondence table further includes: the second network includes Second, the priority information of the network device.
  • the data communications apparatus further includes a priority determining unit, configured to determine priority information of the second network device according to the established correspondence table.
  • a data communication system comprising:
  • a first network management device configured to acquire identifier information of the second network device managed by the second network management device; and establish the identifier according to the identifier information of the second network device and the identifier information of the first network device that is managed by the second network device a correspondence table between the identifier information of the second network device and the identifier information of the first network device; when the first network management device detects that the first network device cannot work normally, and the first network device does not If the fault occurs, the first network management device acquires the identifier information of the second network device corresponding to the first network device according to the established correspondence table, and sends the identifier information of the second network device to The second network management device performs fault processing;
  • the second network management device is configured to receive the identifier information of the second network device that is sent by the first network management device, and perform fault processing on the network where the second network device is located according to the identifier information of the second network device.
  • the second network management device is a passive optical network system network management system
  • the first network device is a host device
  • the second network device is a network device of the passive optical network related to the host device
  • the host device network management system is configured to acquire identification information of the network device of the passive optical network, and establish, according to the identifier information of the network device of the passive optical network and the identifier information of the host device managed by the host device, a correspondence table between the identification information of the network device of the passive optical network and the identification information of the host device; when the host device network management system determines that the host device cannot work normally, and the host device itself has no fault Obtaining, according to the established correspondence table, identifier information of the network device of the passive optical network corresponding to the host device, and sending the identifier information of the network device of the passive optical network to the passive device
  • the optical network system network management system performs fault processing;
  • the passive optical network system network management system is configured to receive identification information of the network device of the passive network sent by the host device network management system; and perform fault according to the identification information of the network device of the passive network deal with.
  • the first network management device is a passive optical network system network management system
  • the second network management device is a host device network management system
  • the first network device is a network device of a passive optical network
  • the second The network device is a host device related to the network device of the passive optical network
  • the passive optical network system network management system is configured to obtain the identifier information of the host device, and establish the foregoing according to the identifier information of the host device and the network device identifier information of the passive optical network managed by the host device. a correspondence table between the identification information of the host device and the identification information of the network device of the passive optical network; when the network management system of the passive optical network system determines that one of the network devices of the passive optical network cannot work normally, And the network device is not faulty, and the identifier information of the host device corresponding to the passive optical network device is obtained according to the established correspondence table; and the identifier information of the host device is sent to the host device network. Management system for troubleshooting;
  • the host device network management system is configured to receive the identifier information of the host device sent by the network management system of the passive optical network system, and perform fault processing on the network where the host device is located according to the identifier information of the host device.
  • the passive optical network includes at least: a small pluggable optical network unit and an optical line terminal connected to the small pluggable optical network unit;
  • the identification information of the host device includes: an identifier of the host device, a serial number of the host device, media access control information of the host device, and one or more combinations of Internet protocol addresses of the host device;
  • the identification information of the network device of the passive optical network includes: an identifier of the small pluggable optical network unit, a serial number of the small pluggable optical network unit, and media access of the small pluggable optical network unit
  • the control information, the identifier of the optical line terminal connected to the small pluggable optical network unit, the frame number of the optical line terminal where the small pluggable optical network unit is located, and the optical line where the small pluggable optical network unit is located The slot number of the terminal and the light of the small pluggable optical network unit One or several combinations of port numbers of road terminals.
  • the established correspondence The table further includes: priority information of the host device.
  • the passive optical network The system network management system is further configured to determine the priority information of the host device according to the acquired correspondence table.
  • a data communication apparatus comprising a processor, a memory and a bus system, the processor and the memory being connected by the bus system, the memory for storing instructions, the processing And instructions for executing the memory storage,
  • the processor is configured to: obtain identifier information of the second network device managed by the second network management device; and establish the identifier according to the identifier information of the second network device and the identifier information of the first network device that is managed by the second network device a correspondence table between the identifier information of the second network device and the identifier information of the first network device; when the first network management device detects that the first network device cannot work normally, and the first network device does not If the fault occurs, the first network management device acquires the identifier information of the second network device corresponding to the first network device according to the established correspondence table, and sends the identifier information of the second network device to The second network management device performs fault processing.
  • the first network management device acquires the identifier information of the second network device managed by the second network management device; and according to the identifier information of the second network device and the first a mapping relationship between the identifier information of the second network device and the identifier information of the first network device, where the first network management device detects that the first network device cannot work normally And the first network management device acquires the identifier information of the second network device corresponding to the first network device according to the established correspondence table;
  • the identification information of the second network device is used to perform fault processing on the second network management device, so that the independent operation and maintenance systems can also coordinate with each other, thereby enabling automatic, fast and accurate troubleshooting, and improving the fault response speed. And positioning accuracy, greatly reducing the cost of operation and maintenance.
  • FIG. 1 is a schematic block diagram of an application scenario according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a data communication method according to an embodiment of the present invention.
  • FIG. 3 is another schematic flowchart of a data communication method according to an embodiment of the present invention.
  • FIG. 4 is still another schematic flowchart of a data communication method according to an embodiment of the present invention.
  • FIG. 5 is a schematic block diagram of a data communication apparatus according to an embodiment of the present invention.
  • Figure 6 is another schematic block diagram of a data communication device in accordance with an embodiment of the present invention.
  • FIG. 1 shows a schematic block diagram of an application scenario according to an embodiment of the present invention.
  • the network operation and maintenance system includes: a Fiber to the X (FTTX) network and a Small Form-Factor Pluggable (SFP) Optical Network Unit (ONU).
  • the HOST host network that is inserted, these two networks have their own independent operation and maintenance management system.
  • the SFP ONU integrates the passive optical network (PON) Media Access Control (MAC) function of the ONU into the optical module of the SFP.
  • the module can be inserted into the designated HOST.
  • the HOST has a PON uplink interface function.
  • the FTTX network specifically includes: an SFP ONU, a splitter and an optical line terminal (OLT), and a PON system network management system (NMS).
  • the ONU is connected to the OLT through a splitter, and the OLT is connected to the OLT.
  • the PON system is NMS connected.
  • An OLT can be connected to one or more ONUs via a splitter such as a passive optical splitter.
  • a splitter such as a passive optical splitter.
  • TDM time division multiplexing
  • different ONUs respectively send uplink optical signals to the OLT in different time slots, and the duration or bandwidth of the ONT/ONU transmitting the uplink optical signals can be unified by the OLT.
  • the bandwidth allocation module performs the allocation.
  • data or optical signals carrying data are transmitted from the OLT to The transmission direction of the ONT/ONU is called the downlink direction.
  • the optical signal sent by the OLT to the ONT/ONU is also called the downlink optical signal; similarly, the data or the optical signal carrying the data is transmitted from the ONT/ONU to the transmission direction of the OLT.
  • the optical signal transmitted by the ONT/ONU to the OLT is also referred to as an uplink optical signal.
  • PON system may be a GPON system, an Ethernet Passive Optical Network (EPON) system, a 10G EPON system, or a 10G GPON system.
  • EPON Ethernet Passive Optical Network
  • 10G EPON system 10G GPON system
  • GPON will be hereinafter. The system will be described as an example, but the present invention is not limited thereto.
  • the HOST network includes: a HOST device and a HOST device NMS (ie, a Host Device NMS in the figure).
  • the PON System NMS manages the SFP ONU, the optical splitter and the network equipment such as the OLT, and the Host Device NMS manages the HOST device.
  • FIG. 2 is a schematic flowchart of a method for data communication, which may be performed by a data communication device such as a network management device Host Device NMS or a network management device PON System NMS, wherein the above data communication is performed according to an embodiment of the present invention.
  • the method of communication can be applied to the networking diagram of FIG. As shown in Figure 2, the method includes:
  • the first network management device acquires identifier information of the second network device managed by the second network management device.
  • the first network management device establishes identifier information of the second network device and an identifier of the first network device according to the identifier information of the second network device and the identifier information of the first network device that is managed by the first network device. Correspondence table of information.
  • the first network management device when the first network management device detects that the first network device is not working properly, and the first network device is faultless, the first network management device obtains according to the established correspondence table. Identification information of the second network device corresponding to the first network device.
  • the first network management device sends the identifier information of the second network device to the second network management device for fault processing.
  • the method Body includes:
  • the host device network management system acquires identification information of the network device of the passive optical network
  • the passive optical network corresponding to the host device when the host device network management system determines that the host device is incapable of working normally, and the host device is not faulty. Identification information of the network device;
  • the host device network management system sends the identifier information of the network device of the passive optical network to the network management system of the passive optical network system for fault processing.
  • the first network management device is a passive optical network system network management system
  • the second network management device is a host device network management system
  • the first network device is a network device of a passive optical network
  • the second The network device is a host device related to the network device of the passive optical network, and the method specifically includes:
  • the passive optical network system network management system establishes identification information of the host device and the passive optical network according to the identifier information of the host device and the network device identification information of the passive optical network managed by the host device. a correspondence table of identification information of the network device;
  • the passive optical network system determines that one of the network devices of the passive optical network cannot work normally, and the network device itself has no fault, obtain and passive according to the established correspondence table. Identification information of the host device corresponding to the optical network device;
  • the passive optical network system network management system sends the identifier information of the host device to the host device network management system for fault processing.
  • the passive optical network includes at least: a small pluggable optical network unit and an optical line terminal connected to the small pluggable optical network unit;
  • the identification information of the host device includes: an identifier of the host device, a serial number of the host device, media access control information of the host device, and one or more combinations of Internet protocol addresses of the host device;
  • the identification information of the network device of the passive optical network includes: an identifier of the small pluggable optical network unit, a serial number of the small pluggable optical network unit, and media access of the small pluggable optical network unit
  • the control information, the identifier of the optical line terminal connected to the small pluggable optical network unit, the frame number of the optical line terminal where the small pluggable optical network unit is located, and the optical line where the small pluggable optical network unit is located One or several combinations of the slot number of the terminal and the port number of the optical line terminal where the small form factor pluggable optical network unit is located.
  • the first network management device is a passive optical network system network management system
  • the second network management device is a host device network management system
  • the passive optical network system network management system establishes a correspondence table.
  • the method further includes: priority information of the host device.
  • the method further includes:
  • the passive optical network system network management system determines the priority information of the host device according to the established correspondence table.
  • the first network management device acquires the identifier information of the second network device managed by the second network management device; and the identifier information of the second network device and the identifier information of the first network device managed by the second network device Establishing a correspondence table between the identifier information of the second network device and the identifier information of the first network device; when the first network management device detects that the first network device cannot work normally, and the If the network device is not faulty, the first network management device acquires the identifier information of the second network device corresponding to the first network device according to the established correspondence table; and sends the second network device
  • the identification information is sent to the second network management device for fault processing, so that the independent operation and maintenance systems can also coordinate with each other, thereby enabling automatic, fast and accurate fault investigation, and improving fault response speed and positioning accuracy. Greatly reduce the cost of operation and maintenance.
  • FIG. 3 it is a specific implementation of a data communication method, and the method further includes:
  • the first network management device is a host device network management system
  • the second network management device is a passive optical network system network management system, where the first network is a network where the host device is located, and the second network is passive light.
  • the first network device is a host device
  • the second network device is a small pluggable optical network unit.
  • the small pluggable optical network unit is inserted on the host device, and the Host network and the FTTx shown in FIG.
  • the networking architecture of the network is taken as an example to describe the above data communication method.
  • the host device reads the identification information of the network device of the PON from the SFP ONU.
  • the PON network includes at least an SFP ONU and an OLT, where the OLT is connected to the SFP ONUs through a splitter, and the OLT and the PON system network management system PON System NMS connection.
  • the identifier information of the network device of the PON includes, but is not limited to, an identifier ID of the SFP ONU, a sequence number SN of the SFP ONU, a medium access control MAC information of the SFP ONU, and an identifier of the optical line terminal OLT connected to the SFP ONU.
  • an identifier ID of the SFP ONU a sequence number SN of the SFP ONU
  • a medium access control MAC information of the SFP ONU a medium access control MAC information of the SFP ONU
  • an identifier of the optical line terminal OLT connected to the SFP ONU One or several combinations of the ID, the frame number of the OLT, the slot number of the OLT, and the port number of the OLT.
  • the process in which the host device reads the identification information of the network device of the PON from the SFP ONU is only an embodiment.
  • the host device may also send a message to the SFP ONU, requesting the SFP ONU to send the identifier information of the network device of the PON to the host device.
  • the specific means of acquisition are not restricted.
  • the Host device returns the identifier information of the network device of the read PON to the Host Device NMS of the host device during normal operation, and the Host Device NMS automatically records the related database of the Host device.
  • the Host Device NMS establishes a correspondence table between the identifier information of the network device of the PON and the identifier information of the host device managed by the host device according to the identifier information of the network device of the PON and the identifier information of the host device that is managed by the host device. .
  • the identifier information of the Host device includes, but is not limited to, one or a combination of an ID of the Host device, an SN of the Host device, a MAC information of the Host device, and an Internet Protocol IP address of the Host.
  • the Host Device NMS device can quickly learn information such as the SN of the SFP ONU and the ID of the SFP ONU that the current Host device is located according to the established correspondence table.
  • the Host Device NMS when the Host Device NMS finds that a certain Host device is offline, the Host Device NMS performs fault detection on the Host device, and determines that the fault is not generated by the Host device but is generated by the PON network.
  • the Host Device NMS obtains the identification information of the network device of the PON according to the established correspondence table, and sends the identification information of the network device of the PON to the PON System NMS, so that the PON System NMS is based on the identification information of the PON.
  • the PON network is quickly located and processed, and the interworking between the PON network and the Host network is realized, which greatly improves the efficiency and accuracy of fault detection.
  • the PON System NMS receives the identifier information of the PON, and performs fault location and processing on the PON network where the identifier information of the network device of the PON is located.
  • the established correspondence table may be saved on the Host Device NMS, and the established correspondence table is sent to the PON System NMS, that is, the PON System NMS also has the corresponding relationship table, and the Host Device Any one or more of the identification information of the network device of the PON sent by the NMS to the PON System NMS, for example, the ID or SN of the SFP ONU on the Host device is sent to the PON System NMS, and the PON System NMS can The information such as the ID or the SN of the SFP ONU is searched for the correspondence table, and the identification information of the network device of the PON, for example, the frame number of the OLT, the slot number, and the like are obtained.
  • the PON System NMS also has the corresponding relationship table, and the identifier information sent by the Host Device NMS to the PON System NMS may also be the identifier information of the network where the Host device is located, such as the ID of the Host device or the SN of the Host device. And the information, the PON system NMS can be queried according to the identifier information of the network where the host device is located, and obtain the identifier information of the network device of the PON, for example, the established correspondence table, and find the SFP corresponding to the Host device ID. Information such as the ID of the ONU or the frame number of the OLT connected to the SFP ONU.
  • the identifier information of the network device of the PON where the SFP ONU where the Host device is located may be sent by the Host Device NMS device.
  • the PON System NMS is configured such that the PON System NMS can locate and process the fault according to the identification information of the PON network.
  • the PON system of the SFP ONU is faulty, the SPON ONU, the OLT, the ODN, or the fiber link of the PON network is faultyly checked and detected, and the faulty device is further determined and the fault is solved.
  • the existing PON network fault handling method for fault detection and location This is not the focus of this patent and will not be described in detail.
  • the Host Device NMS acquires the identifier information of the network device of the PON, and establishes the identifier of the network device of the PON according to the identifier information of the network device of the PON and the identifier information of the Host device managed by the PON.
  • the identification information of the network device of the PON; the identification information of the network device that sends the PON to the PON System The NMS performs fault handling, and the independent operation and maintenance systems can also coordinate with each other, thereby enabling automatic, fast and accurate troubleshooting of the Host network and the PON network, improving fault response speed and positioning accuracy, and greatly reducing The cost of operation and maintenance.
  • the method further includes:
  • the first network management device is a PON System NMS
  • the second network management device is a Host Device NMS.
  • the first network device may be an SFP ONU inserted on the Host device, or may be a PON such as an OLT connected to the SFP ONU.
  • the device, the second network device is a host device, and the SFP ONU is inserted on the host device.
  • the networking structure of the Host network and the FTTx network shown in FIG. 1 is taken as an example, and the foregoing data communication method is specifically described.
  • the SFP ONU reads the identification information of the host device from the host device.
  • the network structure of the Host device includes at least a Host device.
  • the identifier information of the network where the Host device is located includes, but is not limited to, the ID of the Host device, the serial number SN of the Host device, the MAC information of the Host device, and one or more IP addresses of the Host device. combination.
  • the process of the network information of the network where the host device is read by the SFP ONU is only an embodiment.
  • the SFP ONU can also send a message to the host device, requesting the host device to send the identifier information of the network to the SFP ONU.
  • the means of acquisition are not restricted.
  • the SFP ONU sends the identifier information of the network where the read Host device is located to the OLT through the optical splitter during normal operation, and the OLT sends the PON System NMS to automatically record the related database of the PON network.
  • the PON System NMS may prioritize the Host device according to the identifier information of the network where the read Host device is located. For example, the host device is divided into a VIP client and a normal client. In the subsequent troubleshooting, the fault can be quickly responded to according to the priority of the host device.
  • the PON system NMS establishes a correspondence table between the identifier information of the network device of the PON and the identifier information of the host device according to the identifier information of the host device and the identifier information of the network device of the PON.
  • the identifier information of the network device of the PON includes, but is not limited to, an identifier of the SFP ONU, a sequence number SN of the SFP ONU, a medium access control MAC information of the SFP ONU, and an optical line terminal OLT connected to the SFP ONU. Identification ID, the frame number of the OLT, the OLT One or several combinations of the slot number and the port number of the OLT.
  • the foregoing relationship table may further include: priority information of the host device, where the priority of the Host device is used, for example, the Host device is a VIP client or a normal client.
  • the Host Device NMS device can quickly learn the information such as the SN and the SFP ONU ID of the SFP ONU where the current Host device is located according to the established correspondence table, and further responds according to the priority of the Host device. The handling of the fault.
  • the PON System NMS finds that an SFP ONU is offline, causing the Host device to drop the line, the PON System NMS performs fault detection on the PON, and determines that the fault is not generated by the network device where the PON network is located. And obtaining, according to the established correspondence table, the identifier information of the Host device, and sending the information to the Host Device NMS, so that the Host Device NMS performs fast fault location and fault processing on the Host device according to the identifier information of the Host device.
  • the PON System NMS when the PON System NMS knows that the priority of the host device is high, for example, when the Host device is a VIP client, the PON System NMS notifies the Host Device NMS in time, thereby realizing the interworking between the PON network and the Host network, which greatly improves the connection. The efficiency and accuracy of fault detection.
  • the Host Device NMS receives the identifier information of the Host device, and performs fault location and fault processing on the Host device corresponding to the identifier information.
  • the established correspondence table may be saved on the PON System NMS, and the established correspondence table is sent to the Host Device NMS, that is, the Host Device NMS also has the corresponding relationship table, and the PON System
  • the host device NMS is sent to the Host Device NMS by the ID or SN of the Host device on the Host device where the SFP ONU is located.
  • the device NMS can search for the correspondence between the network identifier information of the host device and the identification information of the PON network, and obtain more identity information of the host device, such as Host, according to the ID of the host device or the information such as the SN. IP address, MAC information, etc.
  • the Host Device NMS may also save the established correspondence table, and the identifier information of the Host device that is sent by the PON System NMS to the Host Device NMS may also be one of identifier information of the PON network or Several identification information, such as the ID of the SFP ONU Or the information such as the SN of the SFP ONU, the host device NMS can query, according to its own correspondence table, the identification information of the network where the host device is located, for example, the ID of the host device or the IP address of the host device. information.
  • the Host Device NMS sends the identifier information of the Host device to the Host Device NMS through the PON System NMS device if the corresponding relationship is not saved, or the Host Device NMS is enabled.
  • the NMS can locate and process faults based on the identification information of the host device.
  • the host device If the host device is faulty, the host device is faulty. Then, the host device in the host network is faultyly checked and detected. The fault is detected and the fault is detected.
  • the PON network obtains the identifier information of the host device, and establishes the identifier information of the network device of the PON and the host according to the identifier information of the host device and the identifier information of the network device of the PON managed by the host device.
  • Corresponding relationship table of the identification information of the device when the PON System NMS determines that the network network device of the PON is not working properly, and the network device of the PON is not faulty, acquiring according to the established correspondence table
  • the identifier information of the host device is sent to the Host Device NMS for fault processing, so that the independent operation and maintenance systems can also coordinate with each other, thereby enabling automatic, fast, and accurate connection to the Host network. Troubleshoot with the PON network, improve the fault response speed and positioning accuracy, and greatly reduce the cost of operation and maintenance.
  • FIG. 5 shows a schematic block diagram of a data communication device in accordance with an embodiment of the present invention. As shown in Figure 5, the device includes:
  • the transceiver unit 502 is configured to obtain the identifier information of the second network device that is managed by the second network management device, and send the identifier information of the second network device to the second network management device according to the indication of the fault processing unit.
  • the relationship table establishing unit 504 is configured to establish the identifier information of the second network device and the identifier information of the first network device according to the identifier information of the second network device and the identifier information of the first network device that is managed by the second network device.
  • the fault processing unit 506 is configured to: when the first network management device detects the first network If the device is not working properly, and the first network device is not faulty, the first network management device acquires the identifier of the second network device corresponding to the first network device according to the established correspondence table. And indicating that the transceiver unit sends the identifier information of the second network device to the second network management device for fault processing.
  • the identifier information of the first network includes: the identifier of the first network device, the identifier of the first network device, the sequence number of the first network device, and the first network device One or several combinations of media access control information and an internet protocol address of the first network device;
  • the identifier of the second network device the sequence number of the second network device, the media access control information of the second network device, the identifier of another network device connected to the second network device, and the One or several combinations of the frame number of the other network device to which the second network device is connected, the slot number of the other network device connected to the second network device, and the port number of the other network device connected to the second network device .
  • the identifier information of the first network device includes: an identifier of the first network device, a sequence number of the first network device, media access control information of the first network device, and a connection with the first network device. Identification of other network devices, a frame number of other network devices connected to the first network device, a slot number of other network devices connected to the first network device, and other network devices connected to the first network device One or several combinations of port numbers;
  • the identifier information of the second network device includes: an identifier of the second network device included in the second network, a sequence number of the second network device, media access control information of the second network device, and a One or several combinations of Internet Protocol addresses of the second network device.
  • the correspondence table established by the PON System NMS further includes: priority information of the second network device; the data communication device further includes: a priority determining unit, And determining, according to the established correspondence table, priority information of the second network device.
  • the data communication device may be a Host Device NMS or a PON System NMS, wherein each part of FIG. 5 described above may be applicable to a Host Device NMS or a PON System NMS.
  • the second network management device is a PON System NMS
  • the first network device is a Host device
  • the second network device is The network device that is associated with the PON device
  • the Host Device NMS performs the following actions, including:
  • the Host Device NMS acquires the identifier information of the network device of the PON; and establishes the network of the passive optical network according to the identifier information of the network device of the passive optical network and the identifier information of the host device managed by the host device a correspondence table between the identification information of the device and the identification information of the host device; when the host device network management system determines that the host device cannot work normally, and the host device itself has no fault, according to the established correspondence a relationship table, where the identifier information of the network device of the passive optical network corresponding to the host device is obtained; and the identifier information of the network device that sends the passive optical network is faulty to the network management system of the passive optical network system deal with.
  • the first network management device is a PON System NMS
  • the second network management device is a Host Device NMS
  • the first network device is a PON network device
  • the second network device is a Host related to the PON.
  • the device, the PON System NMS specifically performs the following methods, including:
  • the PON System NMS determines that one of the network devices of the PON is not working properly, and the network device is not faulty, obtain the Host device corresponding to the network device of the PON according to the established correspondence table.
  • the identification information of the host device is sent to the host device network management system for fault processing.
  • the data communication device acquires the identification information of the second network device managed by the second network management device, and establishes the identification information of the second network device according to the identification information of the second network device and the identity information of the first network device managed by the second network device.
  • a correspondence table between the identifier information of the second network device and the identifier information of the first network device; when the first network management device detects that the first network device cannot work normally, and the first network If the device is not faulty, the first network management device acquires the identifier information of the second network device corresponding to the first network device according to the established correspondence table, and sends the identifier of the second network device.
  • the information is processed to the second network management device for fault processing, so that at least two independent operation and maintenance systems can also coordinate with each other. It can perform automatic, fast and accurate troubleshooting, improve fault response speed and positioning accuracy, and greatly reduce the cost of operation and maintenance.
  • a data communication system comprising:
  • a first network management device configured to acquire identifier information of the second network device managed by the second network management device; and establish the identifier according to the identifier information of the second network device and the identifier information of the first network device that is managed by the second network device a correspondence table between the identifier information of the second network device and the identifier information of the first network device; when the first network management device detects that the first network device cannot work normally, and the first network device does not If the fault occurs, the first network management device acquires the identifier information of the second network device corresponding to the first network device according to the established correspondence table, and sends the identifier information of the second network device to The second network management device performs fault processing;
  • the second network management device is configured to receive the identifier information of the second network device that is sent by the first network management device, and perform fault processing on the network where the second network device is located according to the identifier information of the second network device.
  • the second network management device is a passive optical network system network management system
  • the first network device is a host device
  • the second network device is a network device of the passive optical network related to the host device
  • the host device network management system is configured to acquire identification information of the network device of the passive optical network, and establish, according to the identifier information of the network device of the passive optical network and the identifier information of the host device managed by the host device, a correspondence table between the identification information of the network device of the passive optical network and the identification information of the host device; when the host device network management system determines that the host device cannot work normally, and the host device itself has no fault Obtaining, according to the established correspondence table, identifier information of the network device of the passive optical network corresponding to the host device, and sending the identifier information of the network device of the passive optical network to the passive device
  • the optical network system network management system performs fault processing;
  • the passive optical network system network management system is configured to receive identification information of the network device of the passive network sent by the host device network management system; and perform fault according to the identification information of the network device of the passive network deal with.
  • the first network management device is a passive optical network system network management system
  • the second network management device is a host device network management system
  • the first network device is a passive optical network network.
  • the passive optical network system network management system is configured to obtain the identifier information of the host device, and establish the foregoing according to the identifier information of the host device and the network device identifier information of the passive optical network managed by the host device. a correspondence table between the identification information of the host device and the identification information of the network device of the passive optical network; when the network management system of the passive optical network system determines that one of the network devices of the passive optical network cannot work normally, And the network device is not faulty, and the identifier information of the host device corresponding to the passive optical network device is obtained according to the established correspondence table; and the identifier information of the host device is sent to the host device network. Management system for troubleshooting;
  • the host device network management system is configured to receive the identifier information of the host device sent by the network management system of the passive optical network system, and perform fault processing on the network where the host device is located according to the identifier information of the host device.
  • the processing of the specific data communication device can also participate in the detailed description of the embodiment corresponding to the foregoing FIG. 2-4. For brevity, no further details are provided herein.
  • the passive optical network includes at least: a small pluggable optical network unit and an optical line terminal connected to the small pluggable optical network unit;
  • the identification information of the host device includes: an identifier of the host device, a serial number of the host device, media access control information of the host device, and one or more combinations of Internet protocol addresses of the host device;
  • the identification information of the network device of the passive optical network includes: an identifier of the small pluggable optical network unit, a serial number of the small pluggable optical network unit, and media access of the small pluggable optical network unit
  • the control information, the identifier of the optical line terminal connected to the small pluggable optical network unit, the frame number of the optical line terminal where the small pluggable optical network unit is located, and the optical line where the small pluggable optical network unit is located One or several combinations of the slot number of the terminal and the port number of the optical line terminal where the small form factor pluggable optical network unit is located.
  • the established correspondence table further includes: priority information of the host device.
  • the passive optical network system network management system is further configured to determine priority information of the host device according to the acquired correspondence table.
  • the information establishes a correspondence table between the identifier information of the second network device and the identifier information of the first network device; when the first network management device detects the first network device If the first network device is not faulty, the first network management device acquires the corresponding to the first network device according to the established correspondence table. Identifying information of the second network device; sending the identifier information of the second network device to the second network management device for fault processing, so that at least two independent operation and maintenance systems can also coordinate with each other, thereby enabling automatic Fast and accurate troubleshooting improves fault response speed and positioning accuracy, greatly reducing the cost of operation and maintenance.
  • an embodiment of the present invention further provides a data communication device 600, which includes a processor 610, a memory 620, and a bus system 630.
  • the processor 710 and the memory 620 pass through the bus.
  • System 630 is coupled to the memory 620 for storing instructions, and the processor 610 is configured to execute instructions stored by the memory 620,
  • the processor 610 is configured to acquire the identifier information of the second network device that is managed by the second network management device, and establish the identifier according to the identifier information of the second network device and the identifier information of the first network device that is managed by the second network device. a correspondence table between the identifier information of the second network device and the identifier information of the first network device; when the first network management device detects that the first network device cannot work normally, and the first network device does not If the fault occurs, the first network management device acquires the identifier information of the second network device corresponding to the first network device according to the established correspondence table, and sends the identifier information of the second network device to The second network management device performs fault processing.
  • the processor 610 may be a central processing unit ("CPU"), and the processor 610 may also be other general-purpose processors, digital signal processors (DSPs). , an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, and the like.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 620 can include read only memory and random access memory and provides instructions and data to the processor 610.
  • a portion of the memory 720 can also include a non-volatile random access memory.
  • the memory 620 can also store information of the device type.
  • the bus system 630 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 630 in the figure.
  • each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 610 or an instruction in a form of software.
  • the steps of the method disclosed in connection with the embodiments of the present invention can be directly implemented as a hardware processor or completed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 620, and the processor 610 reads the information in the memory 620 and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • system and “network” are used interchangeably herein.
  • the term “and/or” in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and / or B, which may indicate that A exists separately, and both A and B exist, respectively. B these three situations.
  • the character "/" in this article generally indicates that the contextual object is an "or" relationship.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B from A does not mean that B is only determined based on A, and that B can also be determined based on A and/or other information.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, or an electrical, mechanical or other form of connection.
  • the units described as separate components may or may not be physically separate.
  • the components displayed for the unit may or may not be physical units, ie may be located in one place, or may be distributed over multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present invention.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present invention contributes in essence or to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

Abstract

本发明公开了一种数据通信的方法包括：第一网络管理设备获取第二网络管理设备所管理的第二网络设备的标识信息；根据所述第二网络设备的标识信息和自身管理的第一网络设备的标识信息，建立所述第二网络设备的标识信息和所述第一网络设备的标识信息的对应关系表；当所述第一网络管理设备检测到所述第一网络设备无法正常工作，且所述第一网络设备无故障，则所述第一网络管理设备根据所述建立的对应关系表，获取与所述第一网络设备对应的所述第二网络设备的标识信息；发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理，实现了各自独立的系统也能够互相协调，提高了故障响应速度和定位准确度，极大地降低了运维的成本。

Description

数据通信的方法、装置和系统 技术领域
本发明涉及通信领域，尤其涉及通信领域中数据通信的方法、装置和系统。
背景技术
小型可插拔(Small Form-Factor Pluggable，SFP)光网络单元(Optical Networ Unit,ONU)是将ONU的无源光网络(Passive Optical Network，PON)媒体接入控制(Media Access Control，MAC)功能集成在SFP的光模块中，该模块可以插在指定的HOST(主设备)上，使该HOST具备PON上联接口功能。
现有网络运维管理系统包括：光纤接入(Fiber to the X,FTTX)网络和SFP ONU所插入的HOST网络，这两个网络是有各自有独立的运维管理系统，并是由两个部门各自独立运营。其中，所述FTTX网络包括：SFP ONU，分光器和光线路终端(Optical Line Terminal，OLT)以及PON系统网络管理系统(Network Management System，NMS)，所述ONU通过分光器与OLT连接，所述OLT与所述PON system NMS连接；所述HOST网络包括：HOST和HOST设备NMS。
FTTX网络和SFP ONU所插入的HOST网络这两个网络有各自独立的运维管理系统，各自独立运营。当FTTx网络出现故障或者Host网络出现故障，由于FTTx网络中的PON system NMS只能检测自身网络的故障，Host网络也只能检测HOST网络自身的故障，导致出现故障后必须人工现场去对FTTx网络和Host网络逐一进行排查，进而导致故障定位效果不好，且耗时耗力，严重影响运维的效率。例如，当HOST设备所插的SFP ONU设备或者PON光纤链路故障导致HOST设备离线时，HOST Device NMS可以检测到HOST设备没有出现故障，但不知道对应的PON SFP ONU设备信息，也无法快速通知PON运维人员进行故障维护，导致维护人员反复下现场逐一排查与故障定位，进而使得故障定位费时费力，且故障定位效果不好，严重影响运维的效率。
发明内容
本发明实施例提供了一种数据通信的方法、装置和系统，能够实现故障 的自动、快速定位，提高了故障定位的准确程度和运维的效率。
第一方面，提供了一种数据通信的方法，该方法包括：
一网络管理设备获取第二网络管理设备所管理的第二网络设备的标识信息；
所述第一网络管理设备根据所述第二网络设备的标识信息和自身管理的第一网络设备的标识信息，建立所述第二网络设备的标识信息和所述第一网络设备的标识信息的对应关系表；
当所述第一网络管理设备检测到所述第一网络设备无法正常工作，且所述第一网络设备无故障，则所述第一网络管理设备根据所述建立的对应关系表，获取与所述第一网络设备对应的所述第二网络设备的标识信息；
所述第一网络管理设备发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理。
结合第一方面，在第一方面的第一种可能的实现方式中，
当所述第一网络管理设备为主机设备网络管理系统，所述第二网络管理设备为无源光网络系统网络管理系统，所述第一网络设备为主机设备，所述第二网络设备为与所述主机设备相关的无源光网络的网络设备，所述方法具体包括：
所述主机设备网络管理系统获取所述无源光网络的网络设备的标识信息；
所述主机设备网络管理系统根据所述无源光网络的网络设备的标识信息和自身管理的所述主机设备的标识信息，建立所述无源光网络的网络设备的标识信息与所述主机设备的标识信息的对应关系表；
当所述主机设备网络管理系统确定所述主机设备无法正常工作，且所述主机设备自身无故障，则根据所述建立的对应关系表，获取与所述主机设备对应的所述无源光网络的网络设备的标识信息；
所述主机设备网络管理系统发送所述无源光网络的网络设备的标识信息给所述无源光网络系统网络管理系统进行故障处理。
结合第一方面，在第一方面的第二种可能的实现方式中，
所述第一网络管理设备为无源光网络系统网络管理系统，所述第二网络管理设备为主机设备网络管理系统，所述第一网络设备为无源光网络的网络设备，所述第二网络设备为与所述无源光网络的网络设备相关的主机设备， 所述方法具体包括：
所述无源光网络系统网络管理系统获取的所述主机设备的标识信息；
所述无源光网络系统网络管理系统根据所述主机设备的标识信息和自身管理的所述无源光网络的网络设备标识信息，建立所述主机设备的标识信息与所述无源光网络的网络设备的标识信息的对应关系表；
当所述无源光网络系统网络管理系统确定所述无源光网络的其中一个网络设备无法正常工作，且该网络设备自身无故障，则根据所述建立的对应关系表，获取与该无源光网络设备对应的所述主机设备的标识信息；
所述无源光网络系统网络管理系统发送所述主机设备的标识信息给所述主机设备网络管理系统进行故障处理。
结合第一方面或第一方面的第一种可能的实现方式或者第二可能的实现方式，在第一方面的第三种可能的实现方式中，
所述无源光网络至少包括：小型可插拔光网络单元和与所述小型可插拔光网络单元连接的光线路终端；其中，
所述主机设备的标识信息包括：主机设备的标识、所述主机设备的序列号、所述主机设备的媒体接入控制信息以及所述主机设备的互联网协议地址的一种或几种组合；
所述无源光网络的网络设备的标识信息包括：小型可插拔光网络单元的标识、所述小型可插拔光网络单元的序列号、所述小型可插拔光网络单元的媒体接入控制信息、与所述小型可插拔光网络单元连接的光线路终端的标识、所述小型可插拔光网络单元所在光线路终端的框号、所述小型可插拔光网络单元所在光线路终端的槽号以及所述小型可插拔光网络单元所在光线路终端的端口号的一种或者几种组合。
结合第一方面或第一方面的第一种可能的实现方式或者第二可能的实现方式，或者第一方面的第三种可能的实现方式，在第一方面的第四种可能的实现方式中，所述建立的对应关系表还包括：所述主机设备的优先级信息。
结合第一方面或第一方面的第一种可能的实现方式或者第二可能的实现方式，或者第一方面的第三种可能的实现方式，或者第一方面的第四种可能的实现方式，在第一方面的第五种可能的实现方式中，所述方法还包括：
所述无源光网络系统网络管理系统根据所述建立的对应关系表，确定所述主机设备的优先级信息。
第二方面，提供了一种数据通信装置，该装置包括：
收发单元，用于获取第二网络管理设备所管理的第二网络设备的标识信息根据所述故障处理单元的指示，发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理；
关系表建立单元，用于根据所述第二网络设备的标识信息和自身管理的第一网络设备的标识信息，建立所述第二网络设备的标识信息和所述第一网络设备的标识信息的对应关系表；
故障处理单元，用于当所述第一网络管理设备检测到所述第一网络设备无法正常工作，且所述第一网络设备无故障，则所述第一网络管理设备根据所述建立的对应关系表，获取与所述第一网络设备对应的所述第二网络设备的标识信息；指示所述收发单元发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理。
结合第二方面，在第二方面的第一种可能的实现方式中，所述第一网络设备的标识信息包括：所述第一网络设备的标识、所述第一网络设备的序列号、所述第一网络设备的媒体接入控制信息以及所述第一网络设备的互联网协议地址的一种或几种组合；
所述第二网络设备的标识信息包括：所述第二网络设备的标识、所述第第二网络设备的序列号、所述第二网络设备的媒体接入控制信息、与第二网络设备连接的其它网络设备的标识、与所述第二网络设备连接的其它网络设备的框号、与所述第二网络设备连接的其它网络设备的槽号以及与所述第二网络设备连接的其它网络设备的端口号的一种或者几种组合。
结合第二方面或第二方面的第一种可能的实现方式，在第二方面的第二种可能的实现方式中，
所述第一网络设备的标识信息包括：所述第一网络设备的标识、所述第一网络设备的序列号、所述第一网络设备的媒体接入控制信息、与第一网络设备连接的其它网络设备的标识、与所述第一网络设备连接的其它网络设备的框号、与所述第一网络设备连接的其它网络设备的槽号以及与所述第一网络设备连接的其它网络设备的端口号的一种或者几种组合；
所述第二网络设备的标识信息包括：所述第二网络所包括的第二网络设备的标识、所述第二网络设备的序列号、所述第二网络设备的媒体接入控制信息以及所述第二网络设备的互联网协议地址的一种或几种组合。
结合第二方面或第二方面的第一种可能的实现方式，在第二方面的第三种可能的实现方式中，所述建立的对应关系表还包括：所述第二网络所包括的第二网络设备的优先级信息。
结合第二方面或第二方面的第一种可能的实现方式或者第二方面的第三种可能的实现方式，在第二方面的第四种可能的实现方式中，所述数据通信装置还包括：优先级确定单元，用于根据所述建立的对应关系表，确定所述第二网络设备的优先级信息。
第三方面，提供了一种数据通信系统，所述数据通信系统包括：
第一网络管理设备，用于获取第二网络管理设备所管理的第二网络设备的标识信息；根据所述第二网络设备的标识信息和自身管理的第一网络设备的标识信息，建立所述第二网络设备的标识信息和所述第一网络设备的标识信息的对应关系表；当所述第一网络管理设备检测到所述第一网络设备无法正常工作，且所述第一网络设备无故障，则所述第一网络管理设备根据所述建立的对应关系表，获取与所述第一网络设备对应的所述第二网络设备的标识信息；发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理；
第二网络管理设备，用于接收所述第一网络管理设备发送的第二网络设备的标识信息，根据所述第二网络设备的标识信息对所述第二网络设备所在的网络进行故障处理。
结合第三方面，在第三方面的第一种可能的实现方式中，
当所述第一网络管理设备为主机设备网络管理系统，所述第二网络管理设备为无源光网络系统网络管理系统，所述第一网络设备为主机设备，所述第二网络设备为与所述主机设备相关的无源光网络的网络设备，其中，
所述主机设备网络管理系统，用于获取所述无源光网络的网络设备的标识信息；根据所述无源光网络的网络设备的标识信息和自身管理的所述主机设备的标识信息，建立所述无源光网络的网络设备的标识信息与所述主机设备的标识信息的对应关系表；当所述主机设备网络管理系统确定所述主机设备无法正常工作，且所述主机设备自身无故障，则根据所述建立的对应关系表，获取与所述主机设备对应的所述无源光网络的网络设备的标识信息；发送所述无源光网络的网络设备的标识信息给所述无源光网络系统网络管理系统进行故障处理；
所述无源光网络系统网络管理系统，用于接收所述主机设备网络管理系统发送的所述无源网络的网络设备的标识信息；根据所述无源网络的网络设备的标识信息对故障进行处理。
结合第三方面或第三方面的第一种可能的实现方式，在第三方面的第二种可能的实现方式中，
所述第一网络管理设备为无源光网络系统网络管理系统，所述第二网络管理设备为主机设备网络管理系统，所述第一网络设备为无源光网络的网络设备，所述第二网络设备为与所述无源光网络的网络设备相关的主机设备，
所述无源光网络系统网络管理系统，用于获取的所述主机设备的标识信息；根据所述主机设备的标识信息和自身管理的所述无源光网络的网络设备标识信息，建立所述主机设备的标识信息与所述无源光网络的网络设备的标识信息的对应关系表；当所述无源光网络系统网络管理系统确定所述无源光网络的其中一个网络设备无法正常工作，且该网络设备自身无故障，则根据所述建立的对应关系表，获取与该无源光网络设备对应的所述主机设备的标识信息；发送所述主机设备的标识信息给所述主机设备网络管理系统进行故障处理；
所述主机设备网络管理系统，用于接收所述无源光网络系统网络管理系统发送的主机设备的标识信息，根据所述主机设备的标识信息对所述主机设备所在的网络进行故障处理。
结合第三方面或第三方面的第一种至第三种可能的实现方式中的任一种可能的实现方式，在第三方面的第四种可能的实现方式中，
所述无源光网络至少包括：小型可插拔光网络单元和与所述小型可插拔光网络单元连接的光线路终端；其中，
所述主机设备的标识信息包括：主机设备的标识、所述主机设备的序列号、所述主机设备的媒体接入控制信息以及所述主机设备的互联网协议地址的一种或几种组合；
所述无源光网络的网络设备的标识信息包括：小型可插拔光网络单元的标识、所述小型可插拔光网络单元的序列号、所述小型可插拔光网络单元的媒体接入控制信息、与所述小型可插拔光网络单元连接的光线路终端的标识、所述小型可插拔光网络单元所在光线路终端的框号、所述小型可插拔光网络单元所在光线路终端的槽号以及所述小型可插拔光网络单元所在光线 路终端的端口号的一种或者几种组合。
结合第三方面或第三方面的第一种至第四种可能的实现方式中的任一种可能的实现方式，在第三方面的第五种可能的实现方式中，所述建立的对应关系表还包括：所述主机设备的优先级信息。
结合第三方面或第三方面的第一种至第五种可能的实现方式中的任一种可能的实现方式，在第三方面的第六种可能的实现方式中，所述无源光网络系统网络管理系统，还用于根据所述获取的所述建立的对应关系表，确定所述主机设备的优先级信息。
第四方面，提供了一种数据通信装置，所述装置包括处理器、存储器和总线系统，所述处理器和所述存储器通过所述总线系统相连，所述存储器用于存储指令，所述处理器用于执行所述存储器存储的指令，
其中，所述处理器用于：获取第二网络管理设备所管理的第二网络设备的标识信息；根据所述第二网络设备的标识信息和自身管理的第一网络设备的标识信息，建立所述第二网络设备的标识信息和所述第一网络设备的标识信息的对应关系表；当所述第一网络管理设备检测到所述第一网络设备无法正常工作，且所述第一网络设备无故障，则所述第一网络管理设备根据所述建立的对应关系表，获取与所述第一网络设备对应的所述第二网络设备的标识信息；发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理。
基于上述技术方案，本发明实施例的提供的第一网络管理设备获取第二网络管理设备所管理的第二网络设备的标识信息；根据所述第二网络设备的标识信息和自身管理的第一网络设备的标识信息，建立所述第二网络设备的标识信息和所述第一网络设备的标识信息的对应关系表；当所述第一网络管理设备检测到所述第一网络设备无法正常工作，且所述第一网络设备无故障，则所述第一网络管理设备根据所述建立的对应关系表，获取与所述第一网络设备对应的所述第二网络设备的标识信息；发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理，实现了各自独立的运维系统也能够互相协调，进而能够进行自动、快速而精准的故障排查，提高了故障响应速度和定位准确度，极大地降低了运维的成本。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对本发明实施例中 所需要使用的附图作简单地介绍，显而易见地，下面所描述的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是根据本发明实施例的一种应用场景的示意性框图；
图2是根据本发明实施例的数据通信方法的示意性流程图；
图3是根据本发明实施例的数据通信方法的另一示意性流程图；
图4是根据本发明实施例的数据通信方法的又一示意性流程图；
图5是根据本发明实施例的数据通信装置的示意性框图；
图6根据本发明实施例的数据通信装置的另一示意性框图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明的一部分实施例，而不是全部实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都应属于本发明保护的范围。
图1示出了根据本发明实施例的一种应用场景的示意性框图。如图1所示，所述网络运维系统包括：光纤接入(Fiber to the X,FTTX)网络和小型可插拔(Small Form-Factor Pluggable，SFP)光网络单元(Optical Networ Unit,ONU)所插入的HOST主机网络，这两个网络是有各自有独立的运维管理系统。其中，SFP ONU是将ONU的无源光网络(Passive Optical Network，PON)媒体接入控制(Media Access Control，MAC)功能集成在SFP的光模块中，该模块可以插在指定的HOST上，使该HOST具备PON上联接口功能。
所述FTTX网络具体包括：SFP ONU，分光器和光线路终端(Optical Line Terminal，OLT)以及PON系统网络管理系统(Network Management System，NMS)，所述ONU通过分光器与OLT连接，所述OLT与所述PON system NMS连接。一个OLT可以通过诸如无源光分路器的分光器，与一个或多个ONU相连。在采用时分复用TDM的PON系统中，例如在GPON系统中，不同的ONU分别在不同的时隙中向OLT发送上行光信号，ONT/ONU发送上行光信号的持续时间或带宽可以统一由OLT的带宽分配模块进行分配。
应理解，在本发明实施例中，数据或承载数据的光信号从OLT传输到 ONT/ONU的传输方向称为下行方向，相应地，OLT向ONT/ONU发送的光信号也称为下行光信号；类似地，数据或承载数据的光信号从ONT/ONU传输到OLT的传输方向称为上行方向，相应地，ONT/ONU向OLT发送的光信号也称为上行光信号。
还应理解，上述PON系统可以为GPON系统、以太网无源光网络(Ethernet Passive Optical Network，简称为“EPON”)系统、10G EPON系统或10G GPON系统等，为了描述方便，下文中将以GPON系统为例进行说明，但本发明并不限于此。
所述HOST网络包括：HOST设备和HOST设备NMS(即图中的Host Device NMS)。
FTTx网络中PON System NMS管理SFP ONU，分光器以及OLT等网络设备，Host Device NMS管理HOST设备。
图2示出了根据本发明实施例的一种数据通信的方法的示意性流程图，该方法可以由数据通信装置例如网络管理设备Host Device NMS或者网络管理设备PON System NMS执行，其中上述数通通信的方法可以应用于图1的组网架构图。如图2所示，该方法包括：
S200，第一网络管理设备获取第二网络管理设备所管理的第二网络设备的标识信息。
S202，所述第一网络管理设备根据所述第二网络设备的标识信息和自身管理的第一网络设备的标识信息，建立所述第二网络设备的标识信息和所述第一网络设备的标识信息的对应关系表。
S204，当所述第一网络管理设备检测到所述第一网络设备无法正常工作，且所述第一网络设备无故障，则所述第一网络管理设备根据所述建立的对应关系表，获取与所述第一网络设备对应的所述第二网络设备的标识信息。
S206，所述第一网络管理设备发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理。
可选地，
当所述第一网络管理设备为主机设备网络管理系统，所述第二网络管理设备为无源光网络系统网络管理系统，所述第一网络设备为主机设备，所述第二网络设备为与所述主机设备相关的无源光网络的网络设备，所述方法具 体包括：
所述主机设备网络管理系统获取所述无源光网络的网络设备的标识信息；
所述主机设备网络管理系统根据所述无源光网络的网络设备的标识信息和自身管理的所述主机设备的标识信息，建立所述无源光网络的网络设备的标识信息与所述主机设备的标识信息的对应关系表；
当所述主机设备网络管理系统确定所述主机设备无法正常工作，且所述主机设备自身无故障，则根据所述建立的对应关系表，获取与所述主机设备对应的所述无源光网络的网络设备的标识信息；
所述主机设备网络管理系统发送所述无源光网络的网络设备的标识信息给所述无源光网络系统网络管理系统进行故障处理。
可选地，
所述第一网络管理设备为无源光网络系统网络管理系统，所述第二网络管理设备为主机设备网络管理系统，所述第一网络设备为无源光网络的网络设备，所述第二网络设备为与所述无源光网络的网络设备相关的主机设备，所述方法具体包括：
所述无源光网络系统网络管理系统获取的所述主机设备的标识信息；
所述无源光网络系统网络管理系统根据所述主机设备的标识信息和自身管理的所述无源光网络的网络设备标识信息，建立所述主机设备的标识信息与所述无源光网络的网络设备的标识信息的对应关系表；
当所述无源光网络系统网络管理系统确定所述无源光网络的其中一个网络设备无法正常工作，且该网络设备自身无故障，则根据所述建立的对应关系表，获取与该无源光网络设备对应的所述主机设备的标识信息；
所述无源光网络系统网络管理系统发送所述主机设备的标识信息给所述主机设备网络管理系统进行故障处理。
进一步地，
所述无源光网络至少包括：小型可插拔光网络单元和与所述小型可插拔光网络单元连接的光线路终端；其中，
所述主机设备的标识信息包括：主机设备的标识、所述主机设备的序列号、所述主机设备的媒体接入控制信息以及所述主机设备的互联网协议地址的一种或几种组合；
所述无源光网络的网络设备的标识信息包括：小型可插拔光网络单元的标识、所述小型可插拔光网络单元的序列号、所述小型可插拔光网络单元的媒体接入控制信息、与所述小型可插拔光网络单元连接的光线路终端的标识、所述小型可插拔光网络单元所在光线路终端的框号、所述小型可插拔光网络单元所在光线路终端的槽号以及所述小型可插拔光网络单元所在光线路终端的端口号的一种或者几种组合。
进一步地，当所述第一网络管理设备为无源光网络系统网络管理系统，所述第二网络管理设备为主机设备网络管理系统，所述无源光网络系统网络管理系统建立的对应关系表还包括：所述主机设备的优先级信息。
所述方法还包括：
所述无源光网络系统网络管理系统根据建立的对应关系表，确定所述主机设备的优先级信息。
在本发明实施例中，第一网络管理设备获取第二网络管理设备所管理的第二网络设备的标识信息；根据所述第二网络设备的标识信息和自身管理的第一网络设备的标识信息，建立所述第二网络设备的标识信息和所述第一网络设备的标识信息的对应关系表；当所述第一网络管理设备检测到所述第一网络设备无法正常工作，且所述第一网络设备无故障，则所述第一网络管理设备根据所述建立的对应关系表，获取与所述第一网络设备对应的所述第二网络设备的标识信息；发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理，实现了各自独立的运维系统也能够互相协调，进而能够进行自动、快速而精准的故障排查，提高了故障响应速度和定位准确度，极大地降低了运维的成本。
在本发明实施例中，可选地，如图3所示，为一种数据通信方法的具体实现，该方法还包括：
下面以第一网络管理设备为主机设备网络管理系统，第二网络管理设备为无源光网络系统网络管理系统，所述第一网络为主机设备所在的网络，所述第二网络为无源光网络，第一网络设备为主机设备，第二网络设备为小型可插拔光网络单元，所述小型可插拔光网络单元插在所述主机设备上，以图1所示的Host网络和FTTx网络的组网架构为例，对上述数据通信方法进行具体描述。
S300，Host设备从SFP ONU中读取PON的网络设备的标识信息。
其中，可以参照图1的组网架构图，所述PON网络至少包括：SFP ONU，OLT，其中，所述OLT通过分光器与所述各SFP ONU连接，所述OLT与PON系统网络管理系统PON System NMS连接。
所述PON的网络设备的标识信息包括但不限于：SFP ONU的标识ID、SFP ONU的序列号SN、SFP ONU的媒体接入控制MAC信息、与所述SFP ONU连接的光线路终端OLT的标识ID、所述OLT的框号、所述OLT的槽号以及OLT的端口号的一种或者几种组合。
上述Host设备从SFP ONU中读取PON的网络设备的标识信息的过程仅是一种实施例，Host设备也可以发送消息给SFP ONU，请求SFP ONU将PON的网络设备的标识信息发送给Host设备，具体获取的手段不做限制。
S302，Host设备在正常工作时，将所述读取的PON的网络设备的标识信息回传给主机设备网络管理系统Host Device NMS，Host Device NMS自动记录所述Host设备的相关数据库中。
S304，Host Device NMS根据所述PON的网络设备的标识信息和自身管理的所述Host设备的标识信息，建立PON的网络设备的标识信息和自身管理的所述Host设备的标识信息的对应关系表。
其中，所述Host设备的标识信息包括但不限于：Host设备的ID、Host设备的SN、Host设备的MAC信息以及Host的互联网协议IP地址的一种或几种组合；
这样，所述Host Device NMS设备根据所述建立的对应关系表，就可以快速得知当前Host设备所在的SFP ONU的SN、SFP ONU的ID等信息。
S306，当所述Host Device NMS确定所述Host设备无法正常工作，且所述Host设备无故障，则根据所述建立的对应关系表，获取所述PON的网络设备的标识信息，并发送给PON System NMS。
例如，当所述Host Device NMS发现某个Host设备离线时，所述Host Device NMS对所述Host设备进行故障检测，确定该故障并不是由所述Host设备产生，而是由PON网络产生，则Host Device NMS根据所述建立的对应关系表，获取所述PON的网络设备的标识信息；并发送所述PON的网络设备的标识信息给PON System NMS，使得PON System NMS根据所述PON的标识信息，对PON网络的故障进行快速定位和处理，实现了PON网络与所述Host网络的互通，极大地提高了故障检测的效率和准确率。
S308，PON System NMS接收所述PON的标识信息，对所述PON的网络设备的标识信息所在的PON网络进行故障定位和处理。
可选地，所述Host Device NMS上可以保存所述建立的对应关系表，将所述建立的对应关系表发送给PON System NMS，即所述PON System NMS上也有该对应关系表，则Host Device NMS发送给PON System NMS的PON的网络设备的标识信息中的任意一种或者几种，例如该Host设备上的SFP ONU的ID或者SN等发给PON System NMS，所述PON System NMS可以根据该SFP ONU的ID或者SN等信息，查找该对应关系表，获得更多的PON的网络设备的标识信息例如OLT的框号，槽号等。
可选地，所述PON System NMS上也有该对应关系表，则Host Device NMS发送给PON System NMS的标识信息也可以是Host设备所在的网络的标识信息，例如Host设备的ID或者Host设备的SN等信息，所述PON System NMS可以根据Host设备所在网络的标识信息去查询，获取所述PON的网络设备的标识信息，例如所述建立的对应关系表，查找与所述Host设备ID对应的SFP ONU的ID或者与该SFP ONU连接的OLT的框号等信息。
可选地，所述PON System NMS如果没有保存该对应关系表，或者没有建立该对应关系，则可以通过Host Device NMS设备将所述Host设备所在的SFP ONU所在的PON的网络设备的标识信息发给所述PON System NMS，使得PON System NMS可以根据该PON网络的标识信息对故障进行定位和处理。
具体PON System NMS获知该SFP ONU所在的PON网络出现故障，则对PON网络的SFP ONU，OLT，ODN或者所在的光纤链路进行故障排查和检测，进一步确定故障设备和解决该故障，具体PON设备的故障检测和定位的请参照现有的PON网络的故障处理方式，这里不是本专利关注的重点，不做详细描述。
在本发明实施例中，Host Device NMS获取PON的网络设备的标识信息；根据所述PON的网络设备的标识信息和自身管理的所述Host设备的标识信息，建立所述PON的网络设备的标识信息与所述Host设备的标识信息的对应关系表；当所述Host Device NMS确定所述Host设备无法正常工作，且所述Host设备自身无故障，则根据所述建立的对应关系表，获取所述PON的网络设备的标识信息；发送所述PON的网络设备的标识信息给PON System  NMS进行故障处理，实现了各自独立的运维系统也能够互相协调，进而能够进行自动、快速而精准的对Host网络和PON网络进行故障排查，提高了故障响应速度和定位准确度，极大地降低了运维的成本。
在本发明实施例中，可选地，如图4所示，为另一种数据通信方法的具体实现，该方法还包括：
下面以第一网络管理设备为PON System NMS，第二网络管理设备为Host Device NMS，第一网络设备可以为插在Host设备上的SFP ONU，也可以为与所述SFP ONU连接的OLT等PON设备，第二网络设备为Host设备，所述SFP ONU插在所述Host设备上，如图1所示的Host网络和FTTx网络的组网架构为例，对上述数据通信方法进行具体描述。
S400，SFP ONU从Host设备中读取Host设备的标识信息。
其中，可以参照图1的组网架构图，所述Host设备所在的网络至少包括Host设备。所述Host设备所在的网络的标识信息包括但不限于：Host设备的ID、所述Host设备的序列号SN、所述Host设备的MAC信息以及所述Host设备的IP地址的一种或几种组合。
上述SFP ONU读取的Host设备所在的网络的标识信息的过程仅是一种实施例，SFP ONU也可以发送消息给所述Host设备，请求Host设备将所在网络的标识信息发送给SFP ONU，具体获取的手段不做限制。
S402，SFP ONU在正常工作时，将所述读取的Host设备所在的网络的标识信息通过分光器发送给OLT，OLT发送给PON System NMS自动记录所述PON网络的相关数据库中。
进一步地，所述PON System NMS可以根据读取的Host设备所在的网络的标识信息，将所述Host设备进行优先级划分。例如：将所述Host设备划分为VIP客户和普通客户，后续故障处理时可以根据Host设备的优先级进行故障的快速响应。
S404，PON System NMS根据所述Host设备的标识信息和自身管理的PON的网络设备的标识信息，建立PON的网络设备的标识信息和所述Host设备的标识信息的对应关系表。
其中，所述PON的网络设备的标识信息包括但不限于：SFP ONU的标识、SFP ONU的序列号SN、SFP ONU的媒体接入控制MAC信息、与所述SFP ONU连接的光线路终端OLT的标识ID、所述OLT的框号、所述OLT 的槽号以及OLT的端口号的一种或者几种组合。
可选地，上述建立的对应关系表还可以包括：Host设备的优先级信息，用于标识该Host设备的优先级，例如该Host设备为VIP客户还是普通客户等。
这样，所述Host Device NMS设备根据所述建立的对应关系表，就可以快速得知当前Host设备所在的SFP ONU的SN、SFP ONU的ID等信息，并进一步根据Host设备的优先级，迅速响应故障的处理。
S406，当所述PON System NMS确定所述SFP ONU无法正常工作，且检测到所述SFP ONU所在的PON的网络设备无故障，则根据所述建立的对应关系表，获取所述Host设备的标识信息，并发送给Host Device NMS。
例如，当所述PON System NMS发现某个SFP ONU掉线，导致Host设备掉线时，所述PON System NMS对PON进行故障检测，确定该故障并不是由所述PON网络所在的网络设备所产生，则根据所述建立的对应关系表，获取所述Host设备的标识信息；并发送给Host Device NMS，使得Host Device NMS根据所述Host设备的标识信息，对Host设备进行快速故障定位和故障处理，尤其是当PON System NMS获知该Host设备的优先级高，例如该Host设备为VIP客户时，PON System NMS及时通知Host Device NMS,实现了PON网络与所述Host网络的互通，极大地提高了故障检测的效率和准确率。
S408，Host Device NMS接收所述Host设备的标识信息，对所述标识信息对应的Host设备进行故障定位和故障处理。
可选地，所述PON System NMS上可以保存所述建立的对应关系表，将所述建立的对应关系表发送给Host Device NMS，即所述Host Device NMS上也有该对应关系表，则PON System NMS发送给Host Device NMS的所述Host设备的标识信息中的任意一种或者几种，例如该SFP ONU所在的Host设备上的该Host设备的ID或者SN等发给Host Device NMS，所述Host Device NMS可以根据该Host设备的ID或者SN等信息，查找自身保存的所述Host设备所在的网络标识信息与PON网络的标识信息的对应关系表，获得更多的Host设备的标识信息例如Host的IP地址,MAC信息等。
可选地，所述Host Device NMS也可以保存所述建立的对应关系表，则PON System NMS发送给Host Device NMS的所述Host设备的标识信息也可以是PON网络的标识信息中的一种或者几种标识信息，例如SFP ONU的ID 或者SFP ONU的SN等信息，所述Host Device NMS可以根据自身的对应关系表，查询获取所述Host设备所在的网络的的标识信息，例如该Host设备的ID或者与该Host设备的IP地址等信息。
可选地，所述Host Device NMS如果没有保存该对应关系表，或者没有建立该对应关系，则可以通过PON System NMS设备将所述Host设备的标识信息发给所述Host Device NMS，使得Host Device NMS可以根据该Host设备的标识信息对故障进行定位和处理。
具体Host Device NMS获知该Host设备故障，则对Host网络中的Host设备等进行故障排查和检测，进一步确定故障设备和解决该故障，具体Host Device NMS对Host设备的故障检测和定位的请参照现有的故障处理方式，这里不是本专利关注的重点，不做详细描述。
在本发明实施例中，PON网络获取Host设备的标识信息；根据所述Host设备的标识信息和自身管理的PON的网络设备的标识信息，建立所述PON的网络设备的标识信息与所述Host设备的标识信息的对应关系表；当所述PON System NMS确定所述PON的网络网络设备无法正常工作，且所述所述PON的网络设备无故障，则根据所述建立的对应关系表，获取所述Host设备所的标识信息；发送所述Host设备的标识信息给Host Device NMS进行故障处理，实现了各自独立的运维系统也能够互相协调，进而能够进行自动、快速而精准的对Host网络和PON网络进行故障排查，提高了故障响应速度和定位准确度，极大地降低了运维的成本。
上文中结合图1至图4，详细描述了根据本发明实施例的数据通信的方法，下面将结合图，详细描述根据本发明实施例的数据通信装置的组成结构。
图5示出了根据本发明实施例的数据通信装置的示意性框图。如图5所示，该装置包括：
收发单元502，用于获取第二网络管理设备所管理的第二网络设备的标识信息根据所述故障处理单元的指示，发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理；
关系表建立单元504，用于根据所述第二网络设备的标识信息和自身管理的第一网络设备的标识信息，建立所述第二网络设备的标识信息和所述第一网络设备的标识信息的对应关系表；
故障处理单元506，用于当所述第一网络管理设备检测到所述第一网络 设备无法正常工作，且所述第一网络设备无故障，则所述第一网络管理设备根据所述建立的对应关系表，获取与所述第一网络设备对应的所述第二网络设备的标识信息；指示所述收发单元发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理。
可选地，所述第一网络的标识信息包括：所述第一网络设备的标识信息包括：所述第一网络设备的标识、所述第一网络设备的序列号、所述第一网络设备的媒体接入控制信息以及所述第一网络设备的互联网协议地址的一种或几种组合；
所述第二网络设备的标识、所述第第二网络设备的序列号、所述第二网络设备的媒体接入控制信息、与第二网络设备连接的其它网络设备的标识、与所述第二网络设备连接的其它网络设备的框号、与所述第二网络设备连接的其它网络设备的槽号以及与所述第二网络设备连接的其它网络设备的端口号的一种或者几种组合。
可选地，
所述第一网络设备的标识信息包括：所述第一网络设备的标识、所述第一网络设备的序列号、所述第一网络设备的媒体接入控制信息、与第一网络设备连接的其它网络设备的标识、与所述第一网络设备连接的其它网络设备的框号、与所述第一网络设备连接的其它网络设备的槽号以及与所述第一网络设备连接的其它网络设备的端口号的一种或者几种组合；
所述第二网络设备的标识信息包括：所述第二网络所包括的第二网络设备的标识、所述第二网络设备的序列号、所述第二网络设备的媒体接入控制信息以及所述第二网络设备的互联网协议地址的一种或几种组合。
进一步地，上述数据通信装置是PON System NMS时，所述PON System NMS建立的对应关系表还包括：所述第二网络设备的优先级信息；所述数据通信装置还包括：优先级确定单元，用于根据所述建立的对应关系表，确定所述第二网络设备的优先级信息。
进一步地，参见图1的架构，上述数据通信装置可以是Host Device NMS，也可以是PON System NMS，其中上述的图5的各个部分都可以适用于Host Device NMS或者PON System NMS。
当所述第一网络管理设备为Host Device NMS，所述第二网络管理设备为PON System NMS，所述第一网络设备为Host设备，所述第二网络设备为 与所述Host设备相关的PON的网络设备，所述Host Device NMS具体执行的动作如下，包括：
所述Host Device NMS获取所述PON的网络设备的标识信息；根据所述无源光网络的网络设备的标识信息和自身管理的所述主机设备的标识信息，建立所述无源光网络的网络设备的标识信息与所述主机设备的标识信息的对应关系表；当所述主机设备网络管理系统确定所述主机设备无法正常工作，且所述主机设备自身无故障，则根据所述建立的对应关系表，获取与所述主机设备对应的所述无源光网络的网络设备的标识信息；发送所述无源光网络的网络设备的标识信息给所述无源光网络系统网络管理系统进行故障处理。
所述第一网络管理设备为PON System NMS，所述第二网络管理设备为Host Device NMS，所述第一网络设备为PON的网络设备，所述第二网络设备为与所述PON相关的Host设备，所述PON System NMS具体执行下面的方法，包括：
获取的所述Host设备的标识信息；根据所述主机设备的标识信息和自身管理的所述PON的网络设备标识信息，建立所述Host设备的标识信息与所述PON的网络设备的标识信息的对应关系表；
当所述PON System NMS确定所述PON的其中一个网络设备无法正常工作，且该网络设备自身无故障，则根据所述建立的对应关系表，获取与该PON的网络设备对应的所述Host设备的标识信息；发送所述Host设备的标识信息给所述主机设备网络管理系统进行故障处理。
具体数据通信装置的处理过程也可以参加上述图2-4所对应的实施例的具体描述，简洁起见，这里就不再赘述。
在本发明实施例中，数据通信装置获取第二网络管理设备所管理的第二网络设备的标识信息；根据所述第二网络设备的标识信息和自身管理的第一网络设备的标识信息，建立所述第二网络设备的标识信息和所述第一网络设备的标识信息的对应关系表；当所述第一网络管理设备检测到所述第一网络设备无法正常工作，且所述第一网络设备无故障，则所述第一网络管理设备根据所述建立的对应关系表，获取与所述第一网络设备对应的所述第二网络设备的标识信息；发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理，实现了各自独立的至少两个运维系统也能够互相协调，进 而能够进行自动、快速而精准的故障排查，提高了故障响应速度和定位准确度，极大地降低了运维的成本。
一种数据通信系统，所述数据通信系统包括：
第一网络管理设备，用于获取第二网络管理设备所管理的第二网络设备的标识信息；根据所述第二网络设备的标识信息和自身管理的第一网络设备的标识信息，建立所述第二网络设备的标识信息和所述第一网络设备的标识信息的对应关系表；当所述第一网络管理设备检测到所述第一网络设备无法正常工作，且所述第一网络设备无故障，则所述第一网络管理设备根据所述建立的对应关系表，获取与所述第一网络设备对应的所述第二网络设备的标识信息；发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理；
第二网络管理设备，用于接收所述第一网络管理设备发送的第二网络设备的标识信息，根据所述第二网络设备的标识信息对所述第二网络设备所在的网络进行故障处理。
具体的该数据通信系统可以参见图1的组网架构图，
当所述第一网络管理设备为主机设备网络管理系统，所述第二网络管理设备为无源光网络系统网络管理系统，所述第一网络设备为主机设备，所述第二网络设备为与所述主机设备相关的无源光网络的网络设备，其中，
所述主机设备网络管理系统，用于获取所述无源光网络的网络设备的标识信息；根据所述无源光网络的网络设备的标识信息和自身管理的所述主机设备的标识信息，建立所述无源光网络的网络设备的标识信息与所述主机设备的标识信息的对应关系表；当所述主机设备网络管理系统确定所述主机设备无法正常工作，且所述主机设备自身无故障，则根据所述建立的对应关系表，获取与所述主机设备对应的所述无源光网络的网络设备的标识信息；发送所述无源光网络的网络设备的标识信息给所述无源光网络系统网络管理系统进行故障处理；
所述无源光网络系统网络管理系统，用于接收所述主机设备网络管理系统发送的所述无源网络的网络设备的标识信息；根据所述无源网络的网络设备的标识信息对故障进行处理。
所述第一网络管理设备为无源光网络系统网络管理系统，所述第二网络管理设备为主机设备网络管理系统，所述第一网络设备为无源光网络的网络 设备，所述第二网络设备为与所述无源光网络的网络设备相关的主机设备，
所述无源光网络系统网络管理系统，用于获取的所述主机设备的标识信息；根据所述主机设备的标识信息和自身管理的所述无源光网络的网络设备标识信息，建立所述主机设备的标识信息与所述无源光网络的网络设备的标识信息的对应关系表；当所述无源光网络系统网络管理系统确定所述无源光网络的其中一个网络设备无法正常工作，且该网络设备自身无故障，则根据所述建立的对应关系表，获取与该无源光网络设备对应的所述主机设备的标识信息；发送所述主机设备的标识信息给所述主机设备网络管理系统进行故障处理；
所述主机设备网络管理系统，用于接收所述无源光网络系统网络管理系统发送的主机设备的标识信息，根据所述主机设备的标识信息对所述主机设备所在的网络进行故障处理。具体数据通信装置的处理过程也可以参加上述图2-4所对应的实施例的具体描述，简洁起见，这里就不再赘述。
所述无源光网络至少包括：小型可插拔光网络单元和与所述小型可插拔光网络单元连接的光线路终端；其中，
所述主机设备的标识信息包括：主机设备的标识、所述主机设备的序列号、所述主机设备的媒体接入控制信息以及所述主机设备的互联网协议地址的一种或几种组合；
所述无源光网络的网络设备的标识信息包括：小型可插拔光网络单元的标识、所述小型可插拔光网络单元的序列号、所述小型可插拔光网络单元的媒体接入控制信息、与所述小型可插拔光网络单元连接的光线路终端的标识、所述小型可插拔光网络单元所在光线路终端的框号、所述小型可插拔光网络单元所在光线路终端的槽号以及所述小型可插拔光网络单元所在光线路终端的端口号的一种或者几种组合。
进一步地，所述建立的对应关系表还包括：所述主机设备的优先级信息。
进一步地，所述无源光网络系统网络管理系统，还用于根据所述获取的所述建立的对应关系表，确定所述主机设备的优先级信息。
在本发明实施例中，信息，建立所述第二网络设备的标识信息和所述第一网络设备的标识信息的对应关系表；当所述第一网络管理设备检测到所述第一网络设备无法正常工作，且所述第一网络设备无故障，则所述第一网络管理设备根据所述建立的对应关系表，获取与所述第一网络设备对应的所述 第二网络设备的标识信息；发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理，实现了各自独立的至少两个运维系统也能够互相协调，进而能够进行自动、快速而精准的故障排查，提高了故障响应速度和定位准确度，极大地降低了运维的成本。
如图6所示，本发明实施例还提供了一种数据通信装置600，其特征在于，该装置600包括处理器610、存储器620和总线系统630，该处理器710和该存储器620通过该总线系统630相连，该存储器620用于存储指令，该处理器610用于执行该存储器620存储的指令，
其中，该处理器610用于获取第二网络管理设备所管理的第二网络设备的标识信息；根据所述第二网络设备的标识信息和自身管理的第一网络设备的标识信息，建立所述第二网络设备的标识信息和所述第一网络设备的标识信息的对应关系表；当所述第一网络管理设备检测到所述第一网络设备无法正常工作，且所述第一网络设备无故障，则所述第一网络管理设备根据所述建立的对应关系表，获取与所述第一网络设备对应的所述第二网络设备的标识信息；发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理。
具体处理器610的具体执行流程可以参见图2-4所示的流程图对应的描述，这里就不再赘述。
应理解，在本发明实施例中，该处理器610可以是中央处理单元(Central Processing Unit，简称为“CPU”)，该处理器610还可以是其他通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现成可编程门阵列(FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器620可以包括只读存储器和随机存取存储器，并向处理器610提供指令和数据。存储器720的一部分还可以包括非易失性随机存取存储器。例如，存储器620还可以存储设备类型的信息。
该总线系统630除包括数据总线之外，还可以包括电源总线、控制总线和状态信号总线等。但是为了清楚说明起见，在图中将各种总线都标为总线系统630。
在实现过程中，上述方法的各步骤可以通过处理器610中的硬件的集成逻辑电路或者软件形式的指令完成。结合本发明实施例所公开的方法的步骤 可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器620，处理器610读取存储器620中的信息，结合其硬件完成上述方法的步骤。为避免重复，这里不再详细描述。
另外，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
应理解，在本发明实施例中，“与A相应的B”表示B与A相关联，根据A可以确定B。但还应理解，根据A确定B并不意味着仅仅根据A确定B，还可以根据A和/或其它信息确定B。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、计算机软件或者二者的结合来实现，为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地描述了各示例的组成及步骤。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。
所属领域的技术人员可以清楚地了解到，为了描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另外，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口、装置或单元的间接耦合或通信连接，也可以是电的，机械的或其它的形式连接。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作 为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本发明实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以是两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分，或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到各种等效的修改或替换，这些修改或替换都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以权利要求的保护范围为准。

Claims (18)

  1. 一种数据通信的方法，其特征在于，所述方法包括：
    第一网络管理设备获取第二网络管理设备所管理的第二网络设备的标识信息；
    所述第一网络管理设备根据所述第二网络设备的标识信息和自身管理的第一网络设备的标识信息，建立所述第二网络设备的标识信息和所述第一网络设备的标识信息的对应关系表；
    当所述第一网络管理设备检测到所述第一网络设备无法正常工作，且所述第一网络设备无故障，则所述第一网络管理设备根据所述建立的对应关系表，获取与所述第一网络设备对应的所述第二网络设备的标识信息；
    所述第一网络管理设备发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理。
  2. 根据权利要求1所述的数据通信方法，其特征在于，当所述第一网络管理设备为主机设备网络管理系统，所述第二网络管理设备为无源光网络系统网络管理系统，所述第一网络设备为主机设备，所述第二网络设备为与所述主机设备相关的无源光网络的网络设备，所述方法具体包括：
    所述主机设备网络管理系统获取所述无源光网络的网络设备的标识信息；
    所述主机设备网络管理系统根据所述无源光网络的网络设备的标识信息和自身管理的所述主机设备的标识信息，建立所述无源光网络的网络设备的标识信息与所述主机设备的标识信息的对应关系表；
    当所述主机设备网络管理系统确定所述主机设备无法正常工作，且所述主机设备自身无故障，则根据所述建立的对应关系表，获取与所述主机设备对应的所述无源光网络的网络设备的标识信息；
    所述主机设备网络管理系统发送所述无源光网络的网络设备的标识信息给所述无源光网络系统网络管理系统进行故障处理。
  3. 根据权利要求1所述的数据通信方法，其特征在于，所述第一网络管理设备为无源光网络系统网络管理系统，所述第二网络管理设备为主机设备网络管理系统，所述第一网络设备为无源光网络的网络设备，所述第二网络设备为与所述无源光网络的网络设备相关的主机设备，所述方法具体包括：
    所述无源光网络系统网络管理系统获取的所述主机设备的标识信息；
    所述无源光网络系统网络管理系统根据所述主机设备的标识信息和自身管理的所述无源光网络的网络设备标识信息，建立所述主机设备的标识信息与所述无源光网络的网络设备的标识信息的对应关系表；
    当所述无源光网络系统网络管理系统确定所述无源光网络的其中一个网络设备无法正常工作，且该网络设备自身无故障，则根据所述建立的对应关系表，获取与该无源光网络设备对应的所述主机设备的标识信息；
    所述无源光网络系统网络管理系统发送所述主机设备的标识信息给所述主机设备网络管理系统进行故障处理。
  4. 根据权利要求2-3所述的数据通信方法，其特征在于，所述无源光网络至少包括：小型可插拔光网络单元和与所述小型可插拔光网络单元连接的光线路终端；其中，
    所述主机设备的标识信息包括：主机设备的标识、所述主机设备的序列号、所述主机设备的媒体接入控制信息以及所述主机设备的互联网协议地址的一种或几种组合；
    所述无源光网络的网络设备的标识信息包括：小型可插拔光网络单元的标识、所述小型可插拔光网络单元的序列号、所述小型可插拔光网络单元的媒体接入控制信息、与所述小型可插拔光网络单元连接的光线路终端的标识、所述小型可插拔光网络单元所在光线路终端的框号、所述小型可插拔光网络单元所在光线路终端的槽号以及所述小型可插拔光网络单元所在光线路终端的端口号的一种或者几种组合。
  5. 根据权利要求3所述的数据通信方法，其特征在于，所述建立的对应关系表还包括：所述主机设备的优先级信息。
  6. 根据权利要求5所述的数据通信方法，其特征在于，所述方法还包括：
    所述无源光网络系统网络管理系统根据所述建立的对应关系表，确定所述主机设备的优先级信息。
  7. 一种数据通信装置，其特征在于，所述数据通信装置包括：
    收发单元，用于获取第二网络管理设备所管理的第二网络设备的标识信息根据所述故障处理单元的指示，发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理；
    关系表建立单元，用于根据所述第二网络设备的标识信息和自身管理的第一网络设备的标识信息，建立所述第二网络设备的标识信息和所述第一网络设备的标识信息的对应关系表；
    故障处理单元，用于当所述第一网络管理设备检测到所述第一网络设备无法正常工作，且所述第一网络设备无故障，则所述第一网络管理设备根据所述建立的对应关系表，获取与所述第一网络设备对应的所述第二网络设备的标识信息；指示所述收发单元发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理。
  8. 根据权利要求7所述的数据通信装置，其特征在于，所述第一网络设备的标识信息包括：所述第一网络设备的标识、所述第一网络设备的序列号、所述第一网络设备的媒体接入控制信息以及所述第一网络设备的互联网协议地址的一种或几种组合；
    所述第二网络设备的标识信息包括：所述第二网络设备的标识、所述第第二网络设备的序列号、所述第二网络设备的媒体接入控制信息、与第二网络设备连接的其它网络设备的标识、与所述第二网络设备连接的其它网络设备的框号、与所述第二网络设备连接的其它网络设备的槽号以及与所述第二网络设备连接的其它网络设备的端口号的一种或者几种组合。
  9. 根据权利要求7所述的数据通信装置，其特征在于，所述第一网络设备的标识信息包括：所述第一网络设备的标识、所述第一网络设备的序列号、所述第一网络设备的媒体接入控制信息、与第一网络设备连接的其它网络设备的标识、与所述第一网络设备连接的其它网络设备的框号、与所述第一网络设备连接的其它网络设备的槽号以及与所述第一网络设备连接的其它网络设备的端口号的一种或者几种组合；
    所述第二网络设备的标识信息包括：所述第二网络所包括的第二网络设备的标识、所述第二网络设备的序列号、所述第二网络设备的媒体接入控制信息以及所述第二网络设备的互联网协议地址的一种或几种组合。
  10. 根据权利要求9所述的数据通信装置，其特征在于，所述建立的对应关系表还包括：所述第二网络设备的优先级信息。
  11. 根据权利要求10所述的数据通信装置，其特征在于，所述数据通信装置还包括：优先级确定单元，用于根据所述建立的对应关系表，确定所述第二网络设备的优先级信息。
  12. 一种数据通信系统，其特征在于，所述数据通信系统包括：
    第一网络管理设备，用于获取第二网络管理设备所管理的第二网络设备的标识信息；根据所述第二网络设备的标识信息和自身管理的第一网络设备的标识信息，建立所述第二网络设备的标识信息和所述第一网络设备的标识信息的对应关系表；当所述第一网络管理设备检测到所述第一网络设备无法正常工作，且所述第一网络设备无故障，则所述第一网络管理设备根据所述建立的对应关系表，获取与所述第一网络设备对应的所述第二网络设备的标识信息；发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理；
    第二网络管理设备，用于接收所述第一网络管理设备发送的第二网络设备的标识信息，根据所述第二网络设备的标识信息对所述第二网络设备所在的网络进行故障处理。
  13. 根据权利要求12所述的数据通信系统，其特征在于，当所述第一网络管理设备为主机设备网络管理系统，所述第二网络管理设备为无源光网络系统网络管理系统，所述第一网络设备为主机设备，所述第二网络设备为与所述主机设备相关的无源光网络的网络设备，其中，
    所述主机设备网络管理系统，用于获取所述无源光网络的网络设备的标识信息；根据所述无源光网络的网络设备的标识信息和自身管理的所述主机设备的标识信息，建立所述无源光网络的网络设备的标识信息与所述主机设备的标识信息的对应关系表；当所述主机设备网络管理系统确定所述主机设备无法正常工作，且所述主机设备自身无故障，则根据所述建立的对应关系表，获取与所述主机设备对应的所述无源光网络的网络设备的标识信息；发送所述无源光网络的网络设备的标识信息给所述无源光网络系统网络管理系统进行故障处理；
    所述无源光网络系统网络管理系统，用于接收所述主机设备网络管理系统发送的所述无源网络的网络设备的标识信息；根据所述无源网络的网络设备的标识信息对故障进行处理。
  14. 根据权利要求12所述的数据通信系统，其特征在于，所述第一网络管理设备为无源光网络系统网络管理系统，所述第二网络管理设备为主机设备网络管理系统，所述第一网络设备为无源光网络的网络设备，所述第二网络设备为与所述无源光网络的网络设备相关的主机设备，
    所述无源光网络系统网络管理系统，用于获取的所述主机设备的标识信息；根据所述主机设备的标识信息和自身管理的所述无源光网络的网络设备标识信息，建立所述主机设备的标识信息与所述无源光网络的网络设备的标识信息的对应关系表；当所述无源光网络系统网络管理系统确定所述无源光网络的其中一个网络设备无法正常工作，且该网络设备自身无故障，则根据所述建立的对应关系表，获取与该无源光网络设备对应的所述主机设备的标识信息；发送所述主机设备的标识信息给所述主机设备网络管理系统进行故障处理；
    所述主机设备网络管理系统，用于接收所述无源光网络系统网络管理系统发送的主机设备的标识信息，根据所述主机设备的标识信息对所述主机设备所在的网络进行故障处理。
  15. 根据权利要求13或者14所述的数据通信系统，其特征在于，
    所述无源光网络至少包括：小型可插拔光网络单元和与所述小型可插拔光网络单元连接的光线路终端；其中，
    所述主机设备的标识信息包括：主机设备的标识、所述主机设备的序列号、所述主机设备的媒体接入控制信息以及所述主机设备的互联网协议地址的一种或几种组合；
    所述无源光网络的网络设备的标识信息包括：小型可插拔光网络单元的标识、所述小型可插拔光网络单元的序列号、所述小型可插拔光网络单元的媒体接入控制信息、与所述小型可插拔光网络单元连接的光线路终端的标识、所述小型可插拔光网络单元所在光线路终端的框号、所述小型可插拔光网络单元所在光线路终端的槽号以及所述小型可插拔光网络单元所在光线路终端的端口号的一种或者几种组合。
  16. 根据权利要求14所述的数据通信系统，其特征在于，所述建立的对应关系表还包括：所述主机设备的优先级信息。
  17. 根据权利要求16所述的数据通信系统，其特征在于，所述无源光网络系统网络管理系统，还用于根据所述获取的所述建立的对应关系表，确定所述主机设备的优先级信息。
  18. 一种数据通信装置，其特征在于，所述装置包括处理器、存储器和总线系统，所述处理器和所述存储器通过所述总线系统相连，所述存储器用于存储指令，所述处理器用于执行所述存储器存储的指令，
    其中，所述处理器用于：获取第二网络管理设备所管理的第二网络设备的标识信息；根据所述第二网络设备的标识信息和自身管理的第一网络设备的标识信息，建立所述第二网络设备的标识信息和所述第一网络设备的标识信息的对应关系表；当所述第一网络管理设备检测到所述第一网络设备无法正常工作，且所述第一网络设备无故障，则所述第一网络管理设备根据所述建立的对应关系表，获取与所述第一网络设备对应的所述第二网络设备的标识信息；发送所述第二网络设备的标识信息给所述第二网络管理设备进行故障处理。
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