WO2017202219A1 - 配置文件的处理方法及装置、olt、onu - Google Patents

配置文件的处理方法及装置、olt、onu Download PDF

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Publication number
WO2017202219A1
WO2017202219A1 PCT/CN2017/084177 CN2017084177W WO2017202219A1 WO 2017202219 A1 WO2017202219 A1 WO 2017202219A1 CN 2017084177 W CN2017084177 W CN 2017084177W WO 2017202219 A1 WO2017202219 A1 WO 2017202219A1
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Prior art keywords
onu
service
configuration file
onus
configuration
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PCT/CN2017/084177
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English (en)
French (fr)
Inventor
余辰东
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中兴通讯股份有限公司
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Publication of WO2017202219A1 publication Critical patent/WO2017202219A1/zh

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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
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0889—Techniques to speed-up the configuration process
    • 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
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability

Definitions

  • the present application relates to, but is not limited to, the field of communications, and in particular, to a method and device for processing a profile, an OLT, and an ONU.
  • FIG. 1 is a topology diagram of an xPON network.
  • the system consists of an Element Management Server (EMS), an Optical Line Terminal (OLT), and an Optical Distribution Network (Optical Distribution Network).
  • EMS Element Management Server
  • OLT Optical Line Terminal
  • Optical Distribution Network Optical Distribution Network
  • the OLT is used as the central office device to connect multiple ONU devices through the ODN network.
  • the ONU device implements user service access to implement data services. And configuration management and other functions.
  • the xPON network is based on the PON port of the xPON OLT.
  • the transmission direction from the OLT to the ONU is downlink (downstream), and the downlink direction is broadcasted by broadcast (Broadcast).
  • the logical identifier (unicast logical identifier, broadcast logical identifier) assigned by the OLT determines whether the data is valid and determines whether to receive or discard; the transmission direction from the ONU to the OLT is the upstream direction (upstream), and the uplink direction is the time division multiple access method.
  • the ONU transmits an uplink burst (Browd) signal according to an uplink bandwidth time slot (Bwmap, Bandwidth Map) allocated by the OLT.
  • TDMA Time Division Multiple Access
  • a unique unicast logical identifier is assigned to each ONU as a logical identifier for sending data to the ONU in the PON interface.
  • a logical link identifier (Logical Link Identifier) is used in the EPON system.
  • the LIID is used as the unique identifier for distinguishing the ONU.
  • the GEM system uses the GEM PORT ID as the unique identifier for distinguishing the ONU.
  • the xPON OLT allocates a unique unicast logical identifier for each ONU based on the PON port, and also has a broadcast logical identifier (such as a broadcast LLID in the EPON system).
  • a broadcast/multicast GEMPORT ID in a GPON system, etc.) is used to transmit data to all ONUs.
  • the xPON OLT allocates and manages its uplink time slot for each ONU according to the unicast logical identifier; in the downlink direction, the ONU receives the data encapsulated by the broadcast logical identifier and the unicast logical identifier encapsulated data consistent with its own logical identifier.
  • the xPON system uses the unicast/broadcast logical identifier to identify the ONU, and is used for the uplink/downlink service delivery/configuration of the ONU and the management of the ONU.
  • the xPON OLT management ONU can be implemented through its built-in Operations Management and Maintenance (OAM) channel.
  • OAM Operations Management and Maintenance
  • Different xPON implementations use different OAM protocols: such as the extended OAM protocol adopted by the EPON system, and the GPON system adoption.
  • the ONU Management and Control Interface (OMCI) protocol As the xPON system equipment of the mainstream high-speed broadband access equipment, there are many application scenarios such as Fiber To The Building (FTTB) and Fiber To The Home (FTTH).
  • FTTB Fiber To The Building
  • FTTH Fiber To The Home
  • the xPON OLT manages the ONUs through the OAM/OMCI protocol: when the ONUs remain online, the OLT can deliver configuration data through the OAM/OMCI protocol (the relevant configuration data is also saved in the OLT).
  • the PON-ONU interface is configured to obtain the status information of the ONU.
  • the OLT stores the service configuration data stored in the corresponding interface.
  • the internal OAM/OMCI channel established between the OLT and the single ONU uses a specific extended OAM/OMCI frame (defined according to the OAM/OMCI protocol) to deliver the configuration to the ONU in a serial manner, so that the ONU completes the online operation and resumes the service. .
  • the above-mentioned delivery configuration method provides a method for implementing ONU service management and configuration without using an external system (a network management system or a third-party service delivery platform).
  • an external system a network management system or a third-party service delivery platform.
  • the above working mechanism for issuing the configuration through the built-in OAM/OMCI channel is a serial-by-serial response confirmation between the OLT and the ONU.
  • the use has the following problems:
  • the OLT Since the extended OAM/OMCI uses the serial interaction mode, and the slow protocol frame is generally used, the OLT has low delivery efficiency for all ONU configurations and serial-to-serial delivery under the PON port. In some cases, the configuration of the ONU to the OLT is abnormal, which will result in further reduction in configuration efficiency.
  • the completion time of the data delivered by the extended OAM/OMCI protocol is proportional to the actual FTTx application form (number of services, ONU port capacity, etc.).
  • the serial configuration data is sent based on different ONUs. It is susceptible to multiple factors (including but not limited to the ONU's own state, support for specific configurations, and response conditions), affecting the ONU's online speed and service recovery speed. In extreme cases, its data is sent very slowly, affecting user service perception;
  • the above problem is due to the low efficiency of multi-ONU serial OAM data transmission in the FFTx scenario, and the vulnerability of the ONU service recovery of the xPON OLT cannot meet the demand.
  • the above problems also exist in other PON mechanisms that use the point-to-multipoint mechanism (P2MP) for ONU data management and delivery recovery through OAM/OMCI.
  • P2MP point-to-multipoint mechanism
  • the embodiment of the invention provides a method and a device for processing a configuration file, an OLT and an ONU, which improves the efficiency of the OLT sending configuration files to the ONU, and avoids interference between different ONUs.
  • a method for processing a configuration file including:
  • the service configuration file of the part or all of the optical network unit ONUs of the PON port of the passive optical network is obtained, including:
  • Generating the service configuration file according to at least one of the following: a support capability of the ONU, and a service requirement of the ONU, where the support capability of the ONU is used to indicate whether the ONU supports receiving the service configuration file; or
  • the service configuration file delivered by the network management system or the third-party service platform is received.
  • the service profile is generated according to at least one of the following: the support capability of the ONU and the service requirement of the ONU, including:
  • the logical identifier corresponding to the ONU encapsulates the configuration item into a separate configuration subset
  • All sub-sets of the ONUs that support the service profile are supported by the PON and form the service profile.
  • the service profile is generated according to at least one of the following: the support capability of the ONU and the service requirement of the ONU, including:
  • the method before the service profile is delivered to the part or all of the ONUs in a broadcast form, the method further includes:
  • the service profile is sent to the part or all of the ONUs in broadcast form;
  • each ONU delivers a configuration file one by one.
  • the service profile is delivered to the part or all of the ONUs in a broadcast form, including:
  • the pieces of data are sent to the part or all of the ONUs one by one in a broadcast form.
  • the method further includes:
  • the receiving state of the data piece fed back by the ONU is received, and the data piece whose receiving status is failed is retransmitted.
  • a method for processing a configuration file including:
  • the method further includes:
  • a processing device for a configuration file, which is applied to an optical line terminal OLT includes:
  • the obtaining module is configured to obtain a service configuration file of the ONU of the optical network unit under the PON port of the passive optical network;
  • the sending module is configured to deliver the service configuration file to the part or all of the ONUs in a broadcast form.
  • the acquiring module is configured to: generate the service configuration file according to at least one of: a support capability of the ONU, a service requirement of the ONU, where the ONU The support capability is used to indicate whether the ONU supports receiving the service configuration file, or the service configuration file delivered by the network management system or the third-party service platform.
  • a processing device for a configuration file, which is applied to an optical network unit ONU includes:
  • the receiving module is configured to receive a service configuration file of the ONU of the optical network unit under the PON port of the passive optical network that is sent by the optical line terminal OLT in a broadcast manner;
  • a parsing module configured to parse the business configuration file.
  • an OLT including the above processing device for a configuration file applied to an OLT.
  • an ONU including the above processing apparatus applied to a configuration file of an ONU.
  • a computer readable storage medium storing computer executable instructions that, when executed by a processor, implement a processing method of the above configuration file.
  • the service configuration file of the PON port, part or all of the ONUs can be delivered to the part or all of the ONUs in a broadcast form, and the efficiency of the OLT to deliver the configuration file to the ONU is improved by using the foregoing technical solution.
  • Figure 1 is a topological diagram of an xPON network
  • FIG. 2 is a flowchart of a method for processing a configuration file according to an embodiment of the present invention
  • FIG. 3 is another flowchart of a method for processing a configuration file according to an embodiment of the present invention.
  • FIG. 4 is a structural block diagram (1) of a processing device for a configuration file according to an embodiment of the present invention
  • FIG. 5 is a structural block diagram of an obtaining module 40 of a processing device of a configuration file according to an embodiment of the present invention
  • FIG. 6 is a structural block diagram of a sending module 42 of a processing device of a configuration file according to an embodiment of the present invention
  • FIG. 7 is a structural block diagram (2) of a processing device for a configuration file according to an embodiment of the present invention.
  • FIG. 8 is a structural block diagram (3) of a processing apparatus for a configuration file according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a topology structure of a PON network according to an embodiment of the present invention.
  • FIG. 10 is a flow chart of collating according to an embodiment of the present invention.
  • FIG. 11 is a flowchart of implementing a configuration file in a broadcast mode according to an embodiment of the present invention.
  • FIG. 2 is a flowchart of a method for processing a configuration file according to an embodiment of the present invention. As shown in FIG. 2, the process includes the following steps:
  • Step S202 obtaining a service configuration file of some or all of the optical network unit ONUs under the PON port of the passive optical network;
  • step S204 the service configuration file is delivered to some or all of the ONUs in a broadcast form.
  • the service profile of the PON port and some or all of the ONUs can be delivered to some or all of the ONUs in a broadcast format.
  • the above technical solution improves the efficiency of the OLT to deliver configuration files to the ONUs.
  • the ONU serial delivery interacts to make configuration data delivery more efficient.
  • Some or all of the ONUs in the embodiments of the present invention may be understood as an ONU that supports receiving a service profile.
  • part or all of the optical network unit under the PON port of the passive optical network is obtained.
  • the service profile of the ONU can be implemented in the following two ways:
  • this technical solution can mainly include the following two implementation methods:
  • each ONU uses the same service requirement for the same service requirement, that is, this
  • the embodiment of the invention may also be understood as: merging the configuration items of the ONUs with the same service configuration into the common configuration subset according to the broadcast identifier of the ONU; merging the configuration items of the ONUs with different service configurations into the specific configuration subset according to the logical identifier of the ONU .
  • a further improvement of the foregoing technical solution in the embodiment of the present invention is that a threshold is set in advance, and when the number of ONUs on the PON port is higher than or equal to a preset threshold, the service configuration file is sent to some or all of the ONUs in a broadcast manner. That is, when the number of online ONUs is large, the technical solution of sending the partial to all ONUs in the broadcast form provided by the embodiment of the present invention is selected.
  • the configuration file is delivered one by one for each ONU in the PON, that is, if the number of online ONUs is not large, the technical solution for delivering the configuration files one by one can be adopted.
  • the embodiment does not limit this.
  • the number of ONUs on the ONU in the embodiment of the present invention may be the number of OUNs that are simultaneously online, or The number of uplinks of the ONUs in a certain period of time is not limited in this embodiment of the present invention.
  • the service profile is delivered to some or all of the ONUs in a broadcast manner by using the following solution: dividing the service profile into multiple pieces of data; and transmitting the pieces of data to each part or all of the ONUs in broadcast form. And receiving, for each piece of data, a receiving state of the data piece fed back by the ONU, wherein, for the data piece whose receiving status is indicated as a failure, the data piece whose receiving status is failed is retransmitted.
  • FIG. 3 is another flowchart of a method for processing a configuration file according to an embodiment of the present invention. Including the following steps:
  • Step S302 Receive a service configuration file of part or all of the optical network unit ONUs of the PON port of the passive optical network that is sent by the optical line terminal OLT in a broadcast manner;
  • Step S304 parsing the service configuration file.
  • the service configuration file of the part or all of the ONUs of the PON that is sent by the OLT in the form of a broadcast is received, and the technical solution of the OLT is used to improve the efficiency of the OLT to deliver the configuration file to the ONU. Impact, making configuration data delivery more efficient.
  • the method further includes:
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the embodiment of the present invention may be embodied in the form of a software product stored in a storage medium (such as a ROM/RAM, a magnetic disk, an optical disk), and includes a plurality of instructions for making a A terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) performs the methods of various embodiments of the present invention.
  • a configuration file processing device is also provided, which is applied to the OLT, and the device is used to implement the foregoing embodiments and implementation manners, and details have been omitted for description.
  • the term “module” may implement a combination of software and/or hardware of a predetermined function.
  • FIG. 4 is a structural block diagram (1) of a processing device for a configuration file according to an embodiment of the present invention. As shown in FIG. 4, the device includes:
  • the obtaining module 40 is configured to obtain a service configuration file of some or all of the optical network unit ONUs under the PON port of the passive optical network;
  • the delivery module 42 is configured to deliver the service profile to a part or all of the ONUs in a broadcast form.
  • the service profile of the PON port and some or all of the ONUs can be delivered to some or all of the ONUs in a broadcast format.
  • the above technical solution improves the efficiency of the OLT to deliver configuration files to the ONUs. To avoid multiple ONU serial delivery interactions, making configuration data delivery more efficient.
  • the obtaining module 40 is configured to generate a service profile according to at least one of the following: a support capability of the ONU and a service requirement of the ONU, where the support capability of the ONU is used to indicate whether the ONU supports receiving the service profile; or Receive the service configuration file delivered by the NMS or a third-party service platform.
  • FIG. 5 is a structural block diagram of an obtaining module 40 of a processing device for a configuration file according to an embodiment of the present invention. As shown in FIG. 5, the obtaining module 40 includes:
  • the obtaining unit 400 is configured to obtain a configuration item that supports each ONU that receives the service profile
  • the encapsulating unit 402 is configured to, for each of the ONUs, the logical identifier corresponding to the ONU to encapsulate the configuration item into a separate configuration subset;
  • the merging unit 404 is configured to configure, in the PON, all the configuration sub-sets of the ONUs that support the service configuration file and form the service configuration file.
  • the obtaining module 400 is configured to acquire a service requirement and a configuration item of each ONU that supports receiving the service profile.
  • the merging unit 404 is configured to merge the configuration items of the ONUs with the same service requirements into the common configuration subset according to the broadcast identifier of the ONU; and merge the configuration items of the ONUs with different service requirements into the specific configuration subset according to the logical identifier of the ONU; And combining the universal configuration subset and the specific configuration sub-set into the service configuration file.
  • the method before the service profile is delivered to the part or all of the ONUs in a broadcast form, the method further includes:
  • the service profile is sent to the part or all of the ONUs in broadcast form;
  • the configuration file is delivered one by one for each ONU under the PON.
  • FIG. 6 is a structural block diagram of a sending module 42 of a processing device for a configuration file according to an embodiment of the present invention.
  • the sending module 42 includes: a dividing unit 420, configured to divide the service configuration file into a plurality of data pieces; the transmitting unit 422 is configured to send the pieces of data to the part or all of the ONUs one by one in a broadcast form.
  • an OLT is further provided, which includes the above processing device applied to the configuration file of the OLT.
  • a configuration file processing device is also provided, which is applied to the ONU, and the device is used to implement the foregoing embodiments and implementation manners, and details have been omitted for description.
  • the term “module” may implement a combination of software and/or hardware of a predetermined function.
  • FIG. 7 is a structural block diagram (2) of a processing apparatus for a configuration file according to an embodiment of the present invention. As shown in FIG. 7, the apparatus includes:
  • the receiving module 70 is configured to receive a service configuration file of some or all of the optical network unit ONUs under the PON port of the passive optical network that is sent by the optical line terminal OLT in a broadcast manner;
  • the parsing module 72 is configured to parse the business profile.
  • the service profile of the part or all of the ONUs that are transmitted by the OLT in the form of a broadcast is received, and the above technical solution is adopted to improve the efficiency of the OLT to deliver configuration files to the ONU, and avoid multiple ONU serials.
  • the interaction between the two parties can avoid the shortcomings of multiple ONU serial delivery in the traditional way, which makes the configuration data more efficient.
  • FIG. 8 is a structural block diagram (3) of a processing device for a configuration file according to an embodiment of the present invention. As shown in FIG. 8, the device further includes:
  • the determining module 74 is configured to determine the legality of the parsed service configuration file, where the service configuration file includes different configuration subsets, and the configuration subset is distinguished by different logical identifiers;
  • the loading module 76 is configured to load a legal configuration subset in the service configuration file
  • the reporting module 78 is configured to report the configuration subset that is not legal in the service configuration file to the OLT.
  • an ONU is further provided, which includes the above processing device applied to the configuration file of the ONU.
  • xPON including EPON and GPON
  • media is a combination of shared media and point-to-point networks. In the downstream direction, it has the connectivity of the shared medium, and in the upstream direction its behavior is like a point-to-point network.
  • the xPON OLT allocates a unique ONU ID (LLID/GEMPORT ID) based on the PON port after the ONU is registered to identify each ONU.
  • Upstream direction The OLT compares the ONU ID registration list before receiving the data; each ONU sends a data frame in a time slot uniformly allocated by the central office device; the allocated time slot compensates for the gap between the ONUs and avoids the ONUs. Collision between.
  • the OLT adds/replaces an LLID/GEMPORT ID in the packet header of each data packet; according to the LLID/GEM PORT ID, the data frame is divided into a unicast frame and a broadcast frame.
  • a unicast frame is sent only to a specific ONU, and only a specific ONU can receive it correctly.
  • the broadcast frame is sent to all ONUs and all ONUs can receive it correctly.
  • the downlink data packets are sent to all ONUs under the PON port in broadcast mode (that is, unicast frames and broadcast frames are broadcasted). When the ONU receives data, it only receives unicast frames or broadcast frames that match its own logical link identifier.
  • the embodiment of the present invention provides that in an xPON and related network, the service of all ONUs connected to the PON port is generated on the OLT corresponding interface in a xPON port.
  • the generation manner includes but is not limited to: through the network management system.
  • the third-party service delivery platform directly delivers the configuration file, and directly generates or abstracts and reorganizes all the configurations of the original corresponding ONUs under the OLT interface PON interface in a certain way; encapsulates in a broadcast manner and according to a certain policy, in the ONU
  • the on-line process is automatically delivered or the configuration file is manually delivered in the online process of the ONU.
  • the ONU resolves the related content in the configuration file according to certain rules, determines its legality, and performs service loading, thereby implementing the efficiency of the ONU configuration of the xPON network. Ways to improve.
  • the method for quickly deploying multiple ONU service configurations in the xPON system of the embodiment of the present invention is as follows:
  • FIG. 9 is a schematic diagram of a topology structure of a PON network according to an embodiment of the present invention. As shown in FIG. 9, the method includes an EMS 100, an OLT 200, an ODN 300, and an ONU 400, where
  • the EMS 100 is configured to configure, manage, and maintain the OLT 200 and the xPON network.
  • the EMS maintains and manages the history information of the OLT 200 and the ONU 400 and related alarms and notification messages.
  • the abnormal information can be judged and located according to the related alarms and notification messages.
  • the OLT 200 is configured to start the ONU discovery process, assign a link identifier (LLID/GEMPORT ID) to the ONU 400, complete the ONU 400 registration and authentication on the OLT 200, and allocate a corresponding uplink time slot for the ONU 400.
  • a link identifier LID/GEMPORT ID
  • the OLT 200 establishes and maintains a mapping relationship between the ONUs and the service configuration set subsets based on the PON interface, and generates a complete configuration file based on all ONUs under the PON interface according to certain methods and rules.
  • the system automatically sends the configuration file to the broadcast channel through the broadcast channel. All ONUs implement management and configuration of the ONU400.
  • the ODN300 is configured to connect the ONUs 400 of different numbers under the OLT 200.
  • a direct physical connection channel between the OLT 200 and the ONU 400 a plurality of physical devices may be combined.
  • the ONU 400 is configured to assume the role of the terminal device of the home user, accepts the management of the OLT 200, receives and verifies the configuration file sent by the OLT 200, and parses and loads the configuration file according to the configuration file to complete the recovery or establishment of the service function.
  • FIG. 10 is a flowchart of a finishing process according to an embodiment of the present invention, including the following steps:
  • the xPON OLT generates and maintains an ONU service data configuration file capability status correspondence table based on the PON interface.
  • the content of the corresponding table includes, but is not limited to, the ONU identifier, the configuration file capability support status (supported, not supported), and the delivered status (success , failure), loading status (success, failure, partial success);
  • the xPON OLT acquires the ability of the ONU to receive and parse the service data configuration file based on the PON interface, and maintains and updates the “configuration file capability support status” in the ONU service data configuration file capability status correspondence table.
  • the service data delivery mode is determined according to the state in the corresponding table: when the state is supported or not, the service configuration file delivery mode is adopted; when the state is not supported, the traditional data interaction mode is adopted.
  • the xPON OLT delivers an ONU based on the PON port, and all the ONU support capabilities of the corresponding PON port and the actual service of the corresponding ONU are generated according to the PON port. Complete business profile for ONU).
  • the service configuration file includes configurations that are related to the ONU service, management, and maintenance of the PON port and need to be delivered to the ONU.
  • the configuration file may be based on a separate analysis of all the capability ONU services of the PON port based on the PON port, and the service configuration script corresponding to the PON-ONU may be reorganized directly after being written or abstracted according to a certain configuration file format and syntax. All the service configuration scripts of the ONUs under the PON port form a single complete service configuration file according to a certain configuration file format and syntax.
  • the service configuration file includes the configurations of the services corresponding to the ONUs of the PON, and is organized according to a certain format and logical correspondence, including but not limited to: 1) configuring the ONU service for each capability, and using xPON-OLT as the
  • the logical identifiers assigned by the ONU are encapsulated to generate a separate configuration subset, and all the configuration subsets under the PON interface form a PON-based inclusion.
  • a complete configuration file of the capability set of the ONU service 2) abstracting the services of the ONUs according to the PON port: forming a common configuration set for the same or common service configurations of the ONUs, and using broadcast identifiers (including but not limited to EPON)
  • the broadcast LLID of the system or the broadcast/multicast GEMPORT ID of the GPON system is encapsulated into a common configuration subset, and the logic of the ONUs of the respective ONUs or the personalized service configuration sets are respectively allocated by the xPON-OLT for the ONU registration.
  • the identity (including but not limited to the LLID of the EPON system or the GEMPORT ID of the GPON system) is encapsulated to generate a subset of personality configurations, from the general configuration bytes described above All personality configuration bytes together to form a complete profile based on PON ONU port includes your entire collection service configuration;
  • the service configuration file can also be directly transmitted and saved in the OLT interface through SNMP/FTP or other communication protocols by the network management system or the third-party service distribution platform, or by the OLT system according to the configuration file format and syntax according to the existing ONU configuration under the PON.
  • the above business profile is generated directly.
  • the OLT configures and maintains a threshold x according to a certain policy.
  • x 1
  • x is greater than or equal to the maximum number of ONUs that can be configured on the PON port
  • the maximum number of ONUs that can be configured on the X ⁇ PON port is different, the data is delivered according to the number of ONUs on the capability of the ONU or the number of ONUs that need to be configured.
  • the traditional ONU service data delivery method is used to deliver data for each ONU by using the corresponding unicast logical identifier through the OAM/OMCI management protocol (including but not It is limited to EPON based on a single ONU-based serial extended OAM to deliver interactions, GPON is based on a single ONU's serial OMCI delivery interaction and a single ONU configuration file is delivered and parsed, etc.); when the number of simultaneous ONUs online is higher than the threshold, then xPON OLT Broadcast the logical identifier for the complete profile data packet generated and maintained based on the PON port (eg The broadcast LLID in the EPON and the broadcast/multicast GEMPORT ID in the GPON are broadcast to all ONUs under the PON port through the broadcast channel.
  • OAM/OMCI management protocol including but not It is limited to EPON based on a single ONU-based serial extended OAM to deliver interactions, GPON is based on a single ONU's serial OMCI delivery interaction and a single
  • the OLT divides the complete service data profile into multiple pieces of data in a file size suitable for link transmission and serially numbers the pieces of data.
  • the data slice sequence is sent to all ONUs one by one through a broadcast frame.
  • the OLT may request the specified one or more ONUs to respond, and after receiving the response, deliver the next frame of data.
  • the data slice interaction method between the OLT and the ONU includes, but is not limited to, the OLT broadcast mode is sent, and one or more ONUs are randomly assigned to respond; after the OLT broadcasts multiple frames, the ONU can be specified to respond;
  • the ONU receives the service configuration data piece broadcasted by the OLT according to the broadcast logic identifier, performs block-by-chip verification, restores the complete configuration file received by the ONU according to the verification result, and interacts with the OLT to perform final verification result of all the data pieces;
  • the OLT receives and maintains the check status of the broadcast configuration data file received by the ONU, and performs the data delivery and interaction in the traditional manner for the ONU whose check status is failed or unknown.
  • the configuration file capability support status of the ONU in the ONU service data configuration file capability status mapping table is maintained or updated when all the xPON OLT broadcast service configuration data slice check status of an ONU fails or is unknown. not support. And maintain this state before the ONU re-registers;
  • the ONU parses the complete configuration file according to the unique registration identifier allocated by the xPON system for the ONU, and determines the legality of each configuration subset of the configuration file that includes different logical identifiers.
  • the ONU parses and loads the service configuration file according to certain rules.
  • the rules include but are not limited to: 1) parsing and identifying the configuration subset encapsulated by the broadcast logical identifier in the complete service configuration file, receiving and loading; 2) traversing the resolution and identifying the complete service configuration. A configuration subset of the file encapsulated by the unicast logical identifier.
  • the configuration of the subset is received and loaded; 3) traversing and identifying the complete service
  • the ONU loads a plurality of configuration subsets that are determined to be legal.
  • the ONU receives the data set encapsulated by the broadcast logical identifier and the data set encapsulated by the unicast logical identifier that is consistent with its own logical identifier, and then combines the data into a complete configuration data and verifies the success, and then parses and loads the configuration one by one according to the corresponding file format and syntax. After the loading is completed, the business starts.
  • the ONU reports the loading result to the OLT.
  • the OLT reports the alarm to the OLT according to the loading result reported by the ONU.
  • the OLT updates and maintains the correspondence table between the configuration set (subset) and the ONU under the PON interface, updates the corresponding state, notifies the network management system or the third-party operation and maintenance system, and processes according to a certain policy.
  • FIG. 11 is a flowchart of implementing a configuration file in a broadcast mode according to an embodiment of the present invention. As shown in FIG. 11 , in actuality, the embodiment of the present invention mainly performs the interaction between the OLT and the ONU in step S1008 in the foregoing technical solution.
  • a process flow chart for verifying a possible exception including the following steps:
  • the xPON OLT generates and maintains a data relationship status table of each data piece corresponding to the service profile of the ONU according to the PON port, and the ONU generates and maintains a data relationship status table of each data piece of the service configuration file.
  • the OLT updates the transmission status list according to the interaction result with the ONU for each piece of data.
  • the xPON OLT generates a complete configuration file of all the ONUs based on the PON port, and divides the configuration file into data pieces suitable for transmission on the xPON link channel (including but not limited to oam, omci) according to certain rules, and the data is The slice is numbered; the OLT transmits the data pieces of the complete configuration file in a broadcast frame manner; the OLT may request one or more specified ONUs to respond after transmitting one frame of data, and send the response after receiving the response. The next frame of data.
  • the data slice interaction method between the OLT and the ONU includes, but is not limited to, the OLT broadcast mode is sent, and one or more ONUs are randomly assigned to respond; after the OLT broadcasts multiple frames, the ONU can be specified to respond;
  • the OLT After all the data pieces are sent, the OLT notifies the ONU data configuration file transmission by broadcast frame;
  • S1106 The ONU sequentially receives the data piece through the broadcast channel, and checks the validity of the data piece one by one and records it locally.
  • the ONU When receiving the notification message that the configuration file sent by the OLT is transmitted After that, the ONU itself receives the status of the check data slice and sends it to the OLT through the uplink time slot.
  • the status of receiving the check data slice includes but is not limited to: success (all data slice reception verification success), partial success (partial data slice reception verification failure), failure (all data slice reception verification failure). If the receiving status is partially successful, it includes all the data slice numbers that failed to receive the checksum.
  • the OLT retransmits the data piece and the ONU that failed the verification according to a certain manner.
  • the number of retransmissions can be manually set, and the retransmission mode includes but is not limited to a broadcast frame mode or a unicast frame mode.
  • the typical retransmission method is as follows, and the other methods are similar:
  • the OLT receives and updates the data slice transmission status list of each ONU, traverses all data pieces of each ONU transmission state, and finds all the data piece numbers whose transmission status is failed.
  • the data slice marked as failed is re-issued in the broadcast frame mode and received by the ONU: when the ONU locally saves the data slice, the check status record is successful, and is directly discarded; when the ONU locally saves the data slice check status If the record is a failure, it is received and re-verified.
  • the local data validity record of the ONU is updated according to the check result, and the data slice check result is notified to the OLT one by one through the uplink time slot, and the OLT updates the local ONU data slice transmission status record. , OLT retransmission times +1;
  • the OLT determines whether the number of retransmissions is less than a set threshold. When the threshold is less than or equal to the set threshold, the OLT continues to retransmit. When the threshold is greater than the set threshold, the data slice retransmission is stopped.
  • the OLT updates the ONU service data configuration file capability status correspondence table according to the data piece retransmission result.
  • the "sending status" of the corresponding ONU service data configuration file capability status correspondence table is updated. Success, other states are failures.
  • the OLT maintains and updates the ONU service data configuration file capability status correspondence table, and performs data interaction through the OAM/OMCI in the unicast frame mode for the receiving ONU.
  • the above technical solution of the embodiment of the present invention generates a complete configuration file of all the ONU services based on the PON port according to a certain grammar and rules, and sends the configuration data to all ONUs under the PON port in a broadcast frame manner and completes the abnormal situation. Processing, and the ONU receives and parses one or more configuration sets corresponding to the ONU in the complete configuration file according to certain syntax and rules, and loads the service.
  • the complete configuration file (collection) of multiple ONU data services is delivered in a broadcast frame mode, which avoids the possibility of multiple ONU serial delivery in the traditional mode.
  • the shortcomings of mutual influence improve the efficiency of service recovery in the process of multi-ONU online or service reconfiguration.
  • a configuration set is adopted for the same service configuration of different ONUs, which reduces the invalid data redundancy of the configuration file. Make configuration data delivery more efficient. Based on the standard communication protocol, it provides an efficient and convenient method for the opening and management of xPON ONU services, and has good scalability.
  • Embodiments of the present invention also provide a storage medium.
  • the above storage medium may be configured to store program code for performing the following steps:
  • the service profile is sent to the part or all of the ONUs in a broadcast form.
  • Embodiments of the present invention also provide a storage medium.
  • the above storage medium may be configured to store program code for performing the following steps:
  • the foregoing storage medium may include, but not limited to, a U disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, a magnetic disk, or an optical disk.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • mobile hard disk a magnetic disk
  • magnetic disk a magnetic disk
  • optical disk a variety of media that can store program code.
  • the modules or steps of the above embodiments of the present invention may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices, which may be implemented by computing devices.
  • the executed program code is implemented such that they can be stored in a storage device by a computing device, and in some cases, the steps shown or described can be performed in a different order than here, or they can be
  • Each of the integrated circuit modules is fabricated separately, or a plurality of modules or steps thereof are fabricated into a single integrated circuit module.
  • embodiments of the invention are not limited to any specific combination of hardware and software.
  • the service configuration file of the PON port and some or all of the ONUs can be delivered to the part or all of the ONUs in a broadcast format, which improves the efficiency of the OLT to deliver configuration files to the ONU, and avoids multiple ONU strings.
  • the interaction between the lines is made to make the configuration data more efficient.

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Abstract

本文公布一种配置文件的处理方法及装置、OLT、ONU，其中，该处理方法包括：获取无源光网络PON口下，部分或全部光网络单元ONU的业务配置文件；将所述业务配置文件以广播形式下发至所述部分或全部ONU。

Description

配置文件的处理方法及装置、OLT、ONU 技术领域
本申请涉及但不限于通信领域，尤指一种配置文件的处理方法及装置、OLT、ONU。
背景技术
无源光网络(Passive Optical Network，简称为xPON或PON)包括基于以太网的无源光网络(Ethernet Passive Optical Network，简称为EPON)和千兆无源光网络(Gigabit-capable Passive Optical Network，简称为GPON)。图1为xPON网络拓扑图，如图1所示，该系统由网管服务器(Element Management Server，简称为EMS)、光线路终端(Optical Line Terminal，简称为OLT)、光分配网络(Optical Distribution Network，简称为ODN)和若干个光网络单元(Optical Network Unit，简称为ONU)组成：OLT作为中心局端设备通过ODN网络连接汇聚多个ONU设备，ONU设备实现用户业务的接入，从而实现数据业务和配置管理等功能。xPON网络作为“点对多点”的拓扑结构：以xPON OLT对应PON口为单位，从OLT到ONU的传输方向为下行方向(downstream)，下行方向采用广播方式(Broadcast)发送数据，由ONU根据OLT为其分配的逻辑标识(单播逻辑标识、广播逻辑标识)判断数据是否有效并决定接收或丢弃；从ONU到OLT的传输方向为上行方向(upstream)，上行方向采用时分多址接入方式(Time Division Multiple Access，简称为TDMA)，ONU根据OLT分配的上行带宽时隙(Bwmap，Bandwidth Map)来发送上行突发(Burst)信号。在xPON网络中，在OLT控制下以PON口为单位为每个ONU分配一个唯一的单播逻辑标识作为向ONU发送数据的逻辑标识(如EPON系统中采用逻辑链路标识(Logical Link Identifier，简称为LIID)作为区分ONU的唯一标识，如GPON系统中采用GEM PORT ID作为区分ONU的唯一标识)，用于OLT区分管理每个ONU。xPON OLT基于PON口除为每个ONU分配唯一的单播逻辑标识外，还有一个广播逻辑标识(如EPON系统中的广播LLID， GPON系统中的广播/组播GEMPORT ID等)用于向所有ONU发送数据。在上行方向，xPON OLT根据单播逻辑标识为每个ONU分配并管理其上行时隙；在下行方向，ONU接收以广播逻辑标识封装的数据以及与自身逻辑标识一致的单播逻辑标识封装的数据，若下行封装数据的单播逻辑标识与该ONU自身逻辑标识不同，则丢弃该数据。因此xPON系统用单播/广播逻辑标识标识ONU，并用于ONU的上下行业务下发/配置以及对ONU的管理。
xPON OLT管理ONU可以通过其内置的操作管理维护(Operations，Administration and Maintenance，简称为OAM)通道来实现，不同xPON实现分别采用不同的OAM协议：如EPON系统采用的扩展OAM协议，以及GPON系统采用的ONU管理与控制接口(ONU Management and Control Interface，简称为OMCI)协议。作为主流高速宽带接入设备的xPON系统设备，存在光纤到楼(Fiber To The Building，简称为FTTB)、光纤到户(Fiber To The Home，简称为FTTH)等多种应用场景。在上述多种FTTx场景中，特别在FTTH场景下，xPON OLT通过OAM/OMCI协议管理ONU：当ONU保持在线状态时，OLT可以通过OAM/OMCI协议下发配置数据(相关配置数据同时保存在OLT对应的PON-ONU接口下)并获取ONU的状态信息；当一个或多个ONU上线时(从离线或掉电状态下恢复为在线状态)，OLT依据本地保存在对应接口下的业务配置数据，通过OLT与单个ONU之间分别建立的内OAM/OMCI通道使用特定的扩展OAM/OMCI帧(根据OAM/OMCI协议定义)将配置以串行方式逐条下发给ONU，使得ONU完成上线并恢复业务。
发明概述
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
上述下发配置方式提供了不需要借助外在系统(网管或第三方业务发放平台)实现ONU业务管理和配置的方法。但由于上述通过内置OAM/OMCI通道下发配置的工作机制是OLT和ONU之间逐条串行应答确认，在实际应 用中具有如下问题：
1)由于扩展OAM/OMCI使用串行交互方式，且一般采用慢速协议帧，因此OLT分别对PON口下所有ONU配置、逐条串行下发的交付效率较低。特别在出现ONU对OLT下发的某些配置支持异常，将导致配置下发效率的进一步降低；
2)传统方式下当多个ONU同时通过扩展OAM/OMCI下发数据时，OLT需要同时处理PON口下多个ONU的并发，OLT需要多线程处理，加重OLT工作负荷；
3)通过扩展OAM/OMCI协议下发数据的完成时间，与实际FTTx应用形态(业务数量，ONU端口容量等)成正比。
4)在某些应用场景中，特别在xPON OLT线卡或对应PON口重启或某PON口下对应ONU集体重新上线(如小区停电)的情况下，基于不同ONU的逐条串行配置数据下发，易受多种因素干扰(包括但不限于ONU自身状态、对特定配置的支持情况以及响应情况等)，影响ONU上线速度，以及业务恢复速度。极端情况下其数据下发极慢，影响用户业务感知；
5)在xPON的应用场景中(特别是在FTTH的应用场景下)不同ONU的很多配置实际上都是相同的。若采用上述扩展OAM/OMCI的配置方法存在配置数据量大、配置效率低的不足。
上述问题是由于FFTx场景下多ONU串行OAM数据下发效率较低，且易受干扰并导致xPON OLT的ONU业务恢复无法满足需求。上述问题在采用点对多点机制(P2MP)通过OAM/OMCI进行ONU数据管理及下发恢复的其他PON机制中也会存在。
本发明实施例提供了一种配置文件的处理方法及装置、OLT、ONU，提高OLT向ONU发配置文件的效率，避免不同的ONU之间相互干扰。
根据本发明实施例的一个方面，提供了一种配置文件的处理方法，包括：
获取无源光网络PON口下，部分或全部光网络单元ONU的业务配置文件；将所述业务配置文件以广播形式下发至所述部分或全部ONU。
在一实施方式中，获取无源光网络PON口下，部分或全部光网络单元ONU的业务配置文件，包括：
至少根据以下之一生成所述业务配置文件：ONU的支持能力、ONU的业务需求，其中，所述ONU的支持能力用于指示所述ONU是否支持接收所述业务配置文件；或者
接收网管或第三方业务平台下发的所述业务配置文件。
在一实施方式中，至少根据以下之一生成所述业务配置文件：ONU的支持能力、ONU的业务需求，包括：
获取支持接收所述业务配置文件的每一个ONU的配置条目；
针对所述每一个ONU，将该ONU对应的逻辑标识将所述配置条目封装成单独的配置子集；
将所述PON下的所有支持接收所述业务配置文件的ONU的配置子集合并形成所述业务配置文件。
在一实施方式中，至少根据以下之一生成所述业务配置文件：ONU的支持能力、ONU的业务需求，包括：
获取支持接收所述业务配置文件的每一个ONU的业务需求和配置条目；
根据ONU的广播标识将业务需求相同的ONU的配置条目合并为通用配置子集；
根据ONU的逻辑标识将业务需求不同的ONU的配置条目合并为特定配置子集；
将所述通用配置子集和所述特定配置子集合并成所述业务配置文件。
在一实施方式中，将所述业务配置文件以广播形式下发至所述部分或全部ONU之前，所述方法还包括：
当所述PON口下的ONU上线数量高于或等于预设阈值时，将所述业务配置文件以广播形式下发至所述部分或全部ONU；
当所述PON口下的ONU上线数量小于预设阈值时，为所述PON下的 每一个ONU逐条下发配置文件。
在一实施方式中，将所述业务配置文件以广播形式下发至所述部分或全部ONU，包括：
将所述业务配置文件划分为多个数据片；
将所述数据片以广播形式逐个发送至所述部分或全部ONU。
在一实施方式中，将所述数据片以广播形式逐个发送至所述部分或全部ONU之后，所述方法还包括：
针对每一个所述数据片，接收ONU反馈的数据片的接收状态，重新发送接收状态为失败的数据片。
根据本发明实施例的另一个方面，还提供了一种配置文件的处理方法，包括：
接收光线路终端OLT以广播形式发送的无源光网络PON口下，部分或全部光网络单元ONU的业务配置文件；
解析所述业务配置文件。
在一实施方式中，解析所述业务配置文件之后，所述方法还包括：
判断解析后的业务配置文件的合法性，其中，所述业务配置文件包括不同的配置子集，通过不同的逻辑标识区别所述配置子集；
加载所述业务配置文件中合法的配置子集，并将所述业务配置文件中不合法的配置子集上报至所述OLT。
根据本发明实施例的另一个方面，还提供了一种配置文件的处理装置，应用于光线路终端OLT，包括：
获取模块，设置为获取无源光网络PON口下，部分或全部光网络单元ONU的业务配置文件；
下发模块，设置为将所述业务配置文件以广播形式下发至所述部分或全部ONU。
在一实施方式中，所述获取模块，设置为：至少根据以下之一生成所述业务配置文件：ONU的支持能力、ONU的业务需求，其中，所述ONU的 支持能力用于指示所述ONU是否支持接收所述业务配置文件；或者接收网管或第三方业务平台下发的所述业务配置文件。
根据本发明实施例的另一个方面，还提供了一种配置文件的处理装置，应用于光网络单元ONU，包括：
接收模块，设置为接收光线路终端OLT以广播形式发送的无源光网络PON口下，部分或全部光网络单元ONU的业务配置文件；
解析模块，设置为解析所述业务配置文件。
根据本发明实施例的另一个方面，还提供了一种OLT，包括以上应用于OLT的配置文件的处理装置。
根据本发明实施例的另一个方面，还提供了一种ONU，包括以上应用于ONU的配置文件的处理装置。
根据本发明实施例的另一个方面，还提供了一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令被处理器执行时实现上述配置文件的处理方法。
通过本发明实施例，能够将PON口下，部分或全部ONU的业务配置文件以广播形式一次下发至所述部分或全部ONU，采用上述技术方案，提高了OLT向ONU下发配置文件的效率，避免多ONU串行下发相互影响，使得配置数据的下发更加高效。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
图1为xPON网络拓扑图；
图2是根据本发明实施例的配置文件的处理方法的流程图；
图3是根据本发明实施例的配置文件的处理方法的另一流程图；
图4是根据本发明实施例的配置文件的处理装置的结构框图(一)；
图5是根据本发明实施例的配置文件的处理装置的获取模块40的结构框图；
图6是根据本发明实施例的配置文件的处理装置的下发模块42的结构框图；
图7是根据本发明实施例的配置文件的处理装置的结构框图(二)；
图8是根据本发明实施例的配置文件的处理装置的结构框图(三)；
图9为根据本发明实施例的PON网络的拓扑结构示意图；
图10为根据本发明实施例的整理流程图；
图11为根据本发明实施例的广播方式下发配置文件实现流程图。
详述
下文中将参考附图并结合实施例来详细说明本申请。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
需要说明的是，本发明实施例的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。
在本实施例中提供了一种配置文件的处理方法，图2是根据本发明实施例的配置文件的处理方法的流程图，如图2所示，该流程包括如下步骤：
步骤S202，获取无源光网络PON口下，部分或全部光网络单元ONU的业务配置文件；
步骤S204，将业务配置文件以广播形式下发至部分或全部ONU。
通过上述各个步骤，能够将PON口下，部分或全部ONU的业务配置文件以广播形式一次下发至部分或全部ONU，采用上述技术方案，提高了OLT向ONU下发配置文件的效率，避免多ONU串行下发相互影响，使得配置数据的下发更加高效。
本发明实施例的部分或全部ONU可以理解为是支持接收业务配置文件的ONU。
在一实施方式中，获取无源光网络PON口下，部分或全部光网络单元 ONU的业务配置文件，可以主要通过以下两种方式实现：
1)至少根据以下之一生成业务配置文件：ONU的支持能力、ONU的业务需求，其中，ONU的支持能力用于指示ONU是否支持接收业务配置文件。
对于1)这种技术方案，可以主要包括以下两种实现方式：
第一种实现方式
获取支持接收业务配置文件的每一个ONU的配置条目；针对每一个ONU，将该ONU对应的逻辑标识将配置条目封装成单独的配置子集；将PON下的所有支持接收业务配置文件的ONU的配置子集合并形成业务配置文件。
第二种实现方式
获取支持接收业务配置文件的每一个ONU的业务需求和配置条目；根据ONU的广播标识将业务需求相同的ONU的配置条目合并为通用配置子集；根据ONU的逻辑标识将业务需求不同的ONU的配置条目合并为特定配置子集；将通用配置子集和特定配置子集合并成业务配置文件，由于业务需求相同所以每一个ONU针对相同的业务需求，所采用的业务配置也是相同的，即本发明实施例也可以理解为是：根据ONU的广播标识将业务配置相同的ONU的配置条目合并为通用配置子集；根据ONU的逻辑标识将业务配置不同的ONU的配置条目合并为特定配置子集。
2)接收网管或第三方业务平台下发的业务配置文件。
本发明实施例对上述技术方案的进一步改进在于，预先设置一个阈值，当PON口下的ONU上线数量高于或等于预设阈值时，将业务配置文件以广播形式下发至部分或全部ONU，即当前ONU上线数量较多时，选择本发明实施例提供的以广播形式下发至部分或全部ONU的技术方案。
当PON口下的ONU上线数量小于预设阈值时，为PON下的每一个ONU逐条下发配置文件，即如果当前ONU上线数量并不是很多，可以采用逐条下发配置文件的技术方案，本发明实施例对此不作限定。
本发明实施例的ONU上线数量可以是同时上线的OUN数量，也可以 是一段时间内ONU的上线数量，本发明实施例对此不作限定。
在一实施方式中，将业务配置文件以广播形式下发至部分或全部ONU可以通过以下方案实现：将业务配置文件划分为多个数据片；将数据片以广播形式逐个发送至部分或全部ONU，其中，针对每一个数据片，接收ONU反馈的数据片的接收状态，其中，针对接收状态指示为失败的数据片，重新发送接收状态为失败的数据片。
实施例2
在本实施例中从ONU的角度出发，还提供了一种配置文件的处理方法，图3是根据本发明实施例的配置文件的处理方法的另一流程图，如图3所示，该流程包括如下步骤：
步骤S302，接收光线路终端OLT以广播形式发送的无源光网络PON口下，部分或全部光网络单元ONU的业务配置文件；
步骤S304，解析业务配置文件。
通过上述各个步骤，接收OLT以广播形式发送的PON口下，部分或全部ONU的业务配置文件，采用上述技术方案，提高了OLT向ONU下发配置文件的效率，避免多ONU串行下发相互影响，使得配置数据的下发更加高效。
在本发明实施例中，在步骤S304之后，上述方法还包括：
判断解析后的业务配置文件的合法性，其中，业务配置文件包括不同的配置子集，通过不同的逻辑标识区别配置子集；加载业务配置文件中合法的配置子集，并将业务配置文件中不合法的配置子集上报至OLT。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到根据上述实施例的方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本发明实施例的技术方案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(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端设备(可以是手机，计算机，服务器，或者网络设备等)执行本发明各个实施例的方法。
实施例3
在本实施例中还提供了一种配置文件的处理装置，应用于OLT，该装置用于实现上述实施例及实施方式，已经进行过说明的不再赘述。如以下所使用的，术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置可以以软件来实现，但是硬件，或者软件和硬件的组合的实现也是可能并被构想的。
图4是根据本发明实施例的配置文件的处理装置的结构框图(一)，如图4所示，该装置包括：
获取模块40，设置为获取无源光网络PON口下，部分或全部光网络单元ONU的业务配置文件；
下发模块42，设置为将业务配置文件以广播形式下发至部分或全部ONU。
通过上述各个模块的综合作用，能够将PON口下，部分或全部ONU的业务配置文件以广播形式一次下发至部分或全部ONU，采用上述技术方案，提高了OLT向ONU下发配置文件的效率，避免多ONU串行下发相互影响，使得配置数据的下发更加高效。
在一实施方式中，获取模块40，设置为至少根据以下之一生成业务配置文件：ONU的支持能力、ONU的业务需求，其中，ONU的支持能力用于指示ONU是否支持接收业务配置文件；或者接收网管或第三方业务平台下发的业务配置文件。
图5是根据本发明实施例的配置文件的处理装置的获取模块40的结构框图，如图5所示，获取模块40，包括：
获取单元400，设置为获取支持接收所述业务配置文件的每一个ONU的配置条目；
封装单元402，设置为针对所述每一个ONU，将该ONU对应的逻辑标识将所述配置条目封装成单独的配置子集；
合并单元404，设置为将所述PON下的所有支持接收所述业务配置文件的ONU的配置子集合并形成所述业务配置文件。
在本发明实施例的另一个示例中，获取模块400，设置为获取支持接收所述业务配置文件的每一个ONU的业务需求和配置条目；
合并单元404，设置为根据ONU的广播标识将业务需求相同的ONU的配置条目合并为通用配置子集；以及根据ONU的逻辑标识将业务需求不同的ONU的配置条目合并为特定配置子集；以及将所述通用配置子集和所述特定配置子集合并成所述业务配置文件。
在一实施方式中，将所述业务配置文件以广播形式下发至所述部分或全部ONU之前，所述方法还包括：
当所述PON口下的ONU上线数量高于或等于预设阈值时，将所述业务配置文件以广播形式下发至所述部分或全部ONU；
当所述PON口下的ONU上线数量小于预设阈值时，为所述PON下的每一个ONU逐条下发配置文件。
图6是根据本发明实施例的配置文件的处理装置的下发模块42的结构框图，如图6所示，下发模块42，包括：划分单元420，设置为将所述业务配置文件划分为多个数据片；发送单元422，设置为将所述数据片以广播形式逐个发送至所述部分或全部ONU。
在本发明实施例中，还提供了一种OLT，包括以上应用于OLT的配置文件的处理装置。
实施例4
在本实施例中还提供了一种配置文件的处理装置，应用于ONU，该装置用于实现上述实施例及实施方式，已经进行过说明的不再赘述。如以下所使用的，术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置可以以软件来实现，但是硬件，或者软件和硬件的组合的实现也是可能并被构想的。
图7是根据本发明实施例的配置文件的处理装置的结构框图(二)，如图7所示，该装置包括：
接收模块70，设置为接收光线路终端OLT以广播形式发送的无源光网络PON口下，部分或全部光网络单元ONU的业务配置文件；
解析模块72，设置为解析业务配置文件。
通过上述各个模块的作用，接收OLT以广播形式发送的PON口下，部分或全部ONU的业务配置文件，采用上述技术方案，提高了OLT向ONU下发配置文件的效率，避免多ONU串行下发相互影响，避免了传统方式中多ONU串行下发可能相互影响的缺点，使得配置数据的下发更加高效。
图8是根据本发明实施例的配置文件的处理装置的结构框图(三)，如图8所示，上述装置还包括：
判断模块74，设置为判断解析后的业务配置文件的合法性，其中，所述业务配置文件包括不同的配置子集，通过不同的逻辑标识区别所述配置子集；
加载模块76，设置为加载所述业务配置文件中合法的配置子集；
上报模块78，设置为将所述业务配置文件中不合法的配置子集上报至所述OLT。
在本发明实施例中，还提供了一种ONU，包括以上应用于ONU的配置文件的处理装置。
为了更好的理解上述配置文件的处理流程，以下结合实施例对上述技术方案进行说明。
本发明实施例的技术方案中：
1)对于OAM(EPON系统)、OMCI(GPON系统)以及其他采用类似内部管理通道的点对多点(P2MP)工作机制的系统是一致的。
2)xPON(包括EPON和GPON)媒质的性质是共享媒质和点到点网络的结合。在下行方向，拥有共享媒质的连接性，而在上行方向其行为特性就如同点到点网络。
3)xPON OLT基于PON口在ONU注册成动后分配一个唯一的ONU ID(LLID/GEMPORT ID)用于标识每个ONU。
4)上行方向：OLT接收数据前比较ONU ID注册列表；每个ONU在由局端设备统一分配的时隙中发送数据帧；分配的时隙补偿了各个ONU距离的差距，避免了各个ONU之间的碰撞。
5)下行方向：OLT在每一个数据分组的数据包头中添加/替换一个LLID/GEMPORT ID；根据LLID/GEM PORT ID的不同，将数据帧分为单播帧与广播帧。单播帧只发往特定唯一的ONU，且只有特定ONU可以正确接收，广播帧则发往所有的ONU且所有ONU均可以正确接收。下行数据报文会以广播方式(即单播帧、广播帧均以广播方式)发送给该PON口下所有的ONU。ONU接收数据时，仅接收符合自己的逻辑链路标识的单播帧或者广播帧。
6)用于管理的OAM/OMCI报文的发送也采用上述工作方式。
本发明实施例提出了在一个xPON及相关网络中，以xPON口为单位，将PON口下挂所有ONU的业务在OLT对应接口上生成一份完整配置(其生成方式包括但不限于：通过网管或第三方业务发放平台直接下发配置文件，根据OLT对接PON接口下原有对应ONU的所有配置按一定方式直接生成或抽象并重新组织生成)；以广播方式封装并根据一定的策略，在ONU上线过程自动下发或在ONU在线过程中人为主动下发配置文件；并由ONU根据一定规则解析配置文件中相关内容，判断其合法性并进行业务加载，从而实现xPON网络ONU配置下发效率的提升的方法。本发明实施例的xPON系统多ONU业务配置快速下发恢复的方法如下：
图9为根据本发明实施例的PON网络的拓扑结构示意图，如图9所示，包括EMS100、OLT200、ODN300、ONU400，其中，
EMS100，设置为对OLT200以及xPON网络的配置、管理以及维护等工作；EMS网管维护并管理OLT200、ONU400的历史信息以及相关告警与通知消息。并可根据相关告警与通知消息完成对异常信息判断定位。
OLT200，设置为启动ONU的发现过程，为ONU400分配链路标识(LLID/GEMPORT ID)完成ONU400在OLT200上注册与认证，并为ONU400分配相应的上行时隙，ONU400在OLT200为其配置分配的时隙中上传数据。OLT200基于PON口建立并维护所属ONU与业务配置集合子集的映射关系，按一定方法与规则生成基于PON口下所有ONU的完整配置文件。提供并维护ONU正确的OAM/OMCI通道进行配置文件的下发，根据一定规则以广播逻辑标识对该完整配置文件进行标识通过广播通道下发给 所有ONU，实现对ONU400的管理和配置。
ODN300，设置为在OLT200下连接数量不等的ONU400，作为OLT200和ONU400之间直接的物理连接通道，可能由多个物理器件组合而成；
ONU400，设置为承担家庭用户的终端设备的角色，接受OLT200的管理，接收并校验OLT200下发的配置文件，并根据配置文件逐条解析并加载，完成业务功能的恢复或建立。
图10为根据本发明实施例的整理流程图，包括如下步骤：
需要说明的是，以下步骤并不限定执行顺序，仅仅用来解释上述技术方案。
S1002:xPON OLT基于PON口为单位生成并维护ONU业务数据配置文件能力状态对应表，对应表内容包括但不限于：ONU标识、配置文件能力支持状态(支持、不支持)、下发状态(成功、失败)、加载状态(成功、失败、部分成功)；
S1004:xPON OLT基于PON口获取ONU支持接收解析业务数据配置文件的能力，维护并更新ONU业务数据配置文件能力状态对应表中的“配置文件能力支持状态”。根据对应表中的该状态确定业务数据下发方式：当该状态为支持或非不支持时，采用业务配置文件下发方式；当该状态为不支持时，采用传统数据交互方式。
S1006：xPON OLT基于PON口为单位，根据对应PON口下所有的ONU支持能力、以及对应ONU的实际业务按PON口生成一份基于PON口下所有支持业务配置文件下发ONU(以下简称：能力ONU)的完整业务配置文件。
业务配置文件包括与该PON口下所有与能力ONU业务、管理、维护相关且需要下发到ONU上生效的配置。配置文件的生成可以是基于PON口通过对该PON口下所有能力ONU业务的分别分析，按照一定的配置文件格式和语法，直接编写或抽象后重新组织对应PON-ONU的业务配置脚本，并将PON口下所有能力ONU的业务配置脚本按一定的配置文件格式和语法组成一份的单一完整业务配置文件。
业务配置文件包含了该PON口下所有能力ONU对应业务的配置，按一定格式与逻辑对应关系进行组织，包括但不限于：1)按每个能力ONU业务配置条目，并以xPON-OLT为该ONU注册时分配的逻辑标识(包括但不限于EPON系统的LLID或GPON系统的GEMPORT ID)进行封装生成单独的配置子集，并由该PON口下所有的配置子集组成一个基于PON口包含所属全部能力ONU业务配置集合的完整配置文件；2)按PON口对所属能力ONU的业务进行抽象：对所属ONU相同或共性的业务配置组成一个通用配置集合，并使用广播标识(包括但不限于EPON系统的广播LLID或GPON系统的广播/组播GEMPORT ID)封装为一个通用配置子集，对所属能力ONU的互不相同或个性业务配置集合则分别以xPON-OLT为该ONU注册时分配的逻辑标识(包括但不限于EPON系统的LLID或GPON系统的GEMPORT ID)进行封装生成个性配置子集，由上述通用配置字节与所有个性配置字节共同组成一个基于PON口包含所属全部ONU业务配置集合的完整配置文件；
业务配置文件也可由网管或第三方业务发放平台通过SNMP/FTP或其他通讯协议直接传送并保存于OLT对接接口中，或由OLT系统根据PON下对应已存在的ONU配置按上述配置文件格式和语法直接生成上述的业务配置文件。
S1008：OLT根据一定策略配置并维护一个阈值x。当x为1时，表示对所有能力ONU均采用广播业务配置文件当时下发；当x大于等于PON口可配置的最大ONU数量时，表示对所有ONU均采用传统业务配置交互方式；当1<X<PON口可配置的最大ONU数量时，则根据能力ONU上线数量或人为指定的需要配置数据的ONU数量选择不同的数据配置下发方式：
也就是说，当同时ONU上线数量低于阈值时，则使用传统的ONU业务数据下发方式通过OAM/OMCI管理协议，使用对应的单播逻辑标识为每个ONU逐条下发数据(包括但不限于EPON基于单个ONU的串行扩展OAM下发交互，GPON基于单个ONU的串行OMCI下发交互以及单个ONU配置文件下发并解析等)；当同时ONU上线数量高于阈值时，则xPON OLT为基于PON口生成并维护的完整配置文件数据包打上广播逻辑标识(如 EPON中的广播LLID，GPON中的广播/组播GEMPORT ID)通过广播通道一次性广播给该PON口下所有的ONU。
OLT将完整业务数据配置文件以适合链路传输的文件大小分隔成多个数据片，并对数据片进行连续编号。数据片序列逐个通过广播帧方式发送给所有ONU。
OLT在发送一帧数据片后，可要求指定的一个或多个ONU进行响应，并在接收到响应后下发下一帧数据片。OLT与ONU之间的数据片交互方法包括但不限于：OLT广播方式下发，随机指定一个或多个ONU进行响应；OLT广播下发多帧之后，可再指定某个ONU进行响应；
ONU根据广播逻辑标识接收OLT广播的业务配置数据片进行逐片校验，根据校验结果还原出其接收的完整配置文件，并与OLT交互所有数据片的最终校验结果；
S1010：OLT接收并维护ONU接收广播配置数据文件的校验状态，对校验状态为失败或未知的ONU采用传统方式进行数据下发与交互；
当某ONU所有的xPON OLT广播下发业务配置数据片校验状态均失败或未知，则xPON OLT维护并更新ONU业务数据配置文件能力状态对应表中的该ONU的“配置文件能力支持状态”为不支持。并在该ONU重新注册前保持此状态；
S1012：ONU根据xPON系统为该ONU分配的唯一注册标识解析该完整配置文件，判断配置文件中各个包含不同逻辑标识的配置子集的合法性。
ONU按一定规则解析并加载业务配置文件，规则包括但不限于：1)解析并识别完整业务配置文件中以广播逻辑标识封装的配置子集，接收并加载；2)遍历解析并识别完整业务配置文件中以单播逻辑标识封装的配置子集，当单播封装逻辑标识与该ONU自身注册时被分配逻辑标识一致时，则接收并加载该子集中的配置；3)遍历解析并识别完整业务配置文件中以单播逻辑标识封装的配置子集，当单播封装逻辑标识与该ONU自身注册时被分配逻辑标识不一致时，则丢弃该数据子集；
S1014：ONU加载其判断为合法的多个配置子集。ONU接收广播逻辑标识封装的数据集合以及与自身逻辑标识一致的单播逻辑标识封装的数据集合后，组合成完整的配置数据并校验成功后按相应的文件格式和语法将配置逐条解析并加载，加载完成后业务启动。
ONU将加载结果上报OLT。
S1016：OLT根据ONU上报的加载结果以告警或通知消息上报OLT。OLT更新并维护配置集合(子集)与该PON口下ONU的对应表，更新相应状态，通知网管或第三方运维系统，并根据一定策略进行处理。
图11为根据本发明实施例的广播方式下发配置文件实现流程图，如图11所示，实际上本发明实施例主要是对上述技术方案中步骤S1008中由OLT与ONU交互完成对广播下发数据片校验，对可能出现的异常进行处理的处理流程图，包括如下步骤：
S1102：xPON OLT基于PON口生成并维护所属ONU对应业务配置文件各个数据片传输状态关系表，ONU生成并维护自身业务配置文件各个数据片接收状态关系表。OLT根据与ONU对各个数据片的交互结果更新该传输状态列表。
S1104：xPON OLT生成基于pon口所有能力ONU的完整配置文件，根据一定规则将配置文件划分为适合于在xPON链路通道(包括但不限于oam，omci)上进行传输的数据片，并对数据片进行编号标记；OLT以广播帧方式将完整配置文件的各个数据片依次发送；OLT在发送一帧数据片后，可要求指定的一个或多个ONU进行响应，并在接收到响应后下发下一帧数据片。OLT与ONU之间的数据片交互方法包括但不限于：OLT广播方式下发，随机指定一个或多个ONU进行响应；OLT广播下发多帧之后，可再指定某个ONU进行响应；
OLT在所有数据片均发送完毕后，以广播帧方式通知ONU数据配置文件传送完毕；
S1106：ONU依次通过广播通道接收数据片，并逐个校验数据片的有效性并记录在本地。当接收到OLT发送的配置文件传送完毕的通知消息 后，将ONU自身接收校验数据片状态通过上行时隙发送给OLT。接收校验数据片状态包括但不限于：成功(所有数据片接收校验成功)、部分成功(部分数据片接收校验失败)、失败(所有数据片接收校验失败)。若接收状态为部分成功，则包含所有接收校验失败的数据片编号。
S1108：OLT根据一定方式对校验失败的数据片以及ONU进行重传。重传次数可人工设定，其重传方式包括但不限于广播帧方式、单播帧方式。其典型重传方式如下，其他方式类似：
1)OLT接收并更新各个ONU的数据片传输状态列表，遍历各个ONU所有数据片传输状态，找出所有传输状态为失败的数据片编号。
2)对标记为失败的数据片，使用广播帧方式重新下发，并由ONU接收：当ONU本地保存该数据片校验状态记录为成功则直接丢弃；当ONU本地保存该数据片校验状态记录为失败，则接收并重新校验，根据校验结果更新ONU本地的数据片有效性记录，并将数据片校验结果通过上行时隙逐片通知OLT，OLT更新本地ONU数据片传输状态记录，OLT重传次数+1；
3)OLT判断重传次数是否小于设定阈值，当小于等于设定阈值时，则继续重传，当大于设定阈值时，则停止数据片重传；
4)OLT根据数据片重传结果更新ONU业务数据配置文件能力状态对应表，当指定ONU所有数据片传输状态为成功时，更新指定ONU业务数据配置文件能力状态对应表的“下发状态”为成功，其他状态均为失败。
S1110：OLT维护并更新ONU业务数据配置文件能力状态对应表，对接收失败ONU采用单播帧方式通过OAM/OMCI进行数据交互。
本发明实施例的上述技术方案，通过按一定语法和规则生成基于PON口的所有ONU业务的完整配置文件，以广播帧方式将配置数据一次性发给该PON口下所有的ONU且完成异常情况的处理，并由ONU根据一定的语法和规则接收并解析完整配置文件中与该ONU对应的一个或多个配置集合，并加载业务。在xPON现网应用中实现对多个ONU数据业务的完整配置文件(集合)的广播帧方式下发，避免了传统方式多ONU串行下发可能 相互影响的缺点，提高了多ONU上线或业务重新配置过程中业务恢复效率，同时通过对业务的抽象，针对不同ONU的相同业务配置采用一份配置集合，减少了配置文件的无效数据冗余，使得配置数据下发更加高效。基于标准通讯协议为xPON ONU业务开通与管理提供了一种高效，便捷的方法，并具备良好的扩展性。
本发明的实施例还提供了一种存储介质。在本实施例中，上述存储介质可以被设置为存储用于执行以下步骤的程序代码：
S1，获取无源光网络PON口下，部分或全部光网络单元ONU的业务配置文件；
S2，将所述业务配置文件以广播形式下发至所述部分或全部ONU。
本发明的实施例还提供了一种存储介质。在本实施例中，上述存储介质可以被设置为存储用于执行以下步骤的程序代码：
S1，接收光线路终端OLT以广播形式发送的无源光网络PON口下，部分或全部光网络单元ONU的业务配置文件；
S2，解析所述业务配置文件。
在本实施例中，上述存储介质可以包括但不限于：U盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、移动硬盘、磁碟或者光盘等各种可以存储程序代码的介质。
本实施例中的示例可以参考上述实施例及实施方式中所描述的示例，本实施例在此不再赘述。
上述的本发明实施例的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本发明实施例不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的实施例而已，并不用于限制本申请，对于本领 域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。
工业实用性
通过本发明实施例，能够将PON口下，部分或全部ONU的业务配置文件以广播形式一次下发至所述部分或全部ONU，提高了OLT向ONU下发配置文件的效率，避免多ONU串行下发相互影响，使得配置数据的下发更加高效。

Claims (14)

  1. 一种配置文件的处理方法，包括：
    获取无源光网络PON口下，部分或全部光网络单元ONU的业务配置文件；
    将所述业务配置文件以广播形式下发至所述部分或全部ONU。
  2. 根据权利要求1所述的方法，其中，获取无源光网络PON口下，部分或全部光网络单元ONU的业务配置文件，包括：
    至少根据以下之一生成所述业务配置文件：ONU的支持能力、ONU的业务需求，其中，所述ONU的支持能力用于指示所述ONU是否支持接收所述业务配置文件；或者
    接收网管或第三方业务平台下发的所述业务配置文件。
  3. 根据权利要求2所述的方法，其中，至少根据以下之一生成所述业务配置文件：ONU的支持能力、ONU的业务需求，包括：
    获取支持接收所述业务配置文件的每一个ONU的配置条目；
    针对所述每一个ONU，将该ONU对应的逻辑标识将所述配置条目封装成单独的配置子集；
    将所述PON下的所有支持接收所述业务配置文件的ONU的配置子集合并形成所述业务配置文件。
  4. 根据权利要求2所述的方法，其中，至少根据以下之一生成所述业务配置文件：ONU的支持能力、ONU的业务需求，包括：
    获取支持接收所述业务配置文件的每一个ONU的业务需求和配置条目；
    根据ONU的广播标识将业务需求相同的ONU的配置条目合并为通用配置子集；
    根据ONU的逻辑标识将业务需求不同的ONU的配置条目合并为特定配置子集；
    将所述通用配置子集和所述特定配置子集合并成所述业务配置文件。
  5. 根据权利要求1所述的方法，其中，将所述业务配置文件以广播形式下发至所述部分或全部ONU之前，所述方法还包括：
    当所述PON口下的ONU上线数量高于或等于预设阈值时，将所述业务配置文件以广播形式下发至所述部分或全部ONU；
    当所述PON口下的ONU上线数量小于预设阈值时，为所述PON下的每一个ONU逐条下发配置文件。
  6. 根据权利要求1所述的方法，其中，将所述业务配置文件以广播形式下发至所述部分或全部ONU，包括：
    将所述业务配置文件划分为多个数据片；
    将所述数据片以广播形式逐个发送至所述部分或全部ONU。
  7. 根据权利要求6所述的方法，其中，将所述数据片以广播形式逐个发送至所述部分或全部ONU之后，所述方法还包括：
    针对每一个所述数据片，接收ONU反馈的数据片的接收状态，重新发送接收状态为失败的数据片。
  8. 一种配置文件的处理方法，包括：
    接收光线路终端OLT以广播形式发送的无源光网络PON口下，部分或全部光网络单元ONU的业务配置文件；
    解析所述业务配置文件。
  9. 根据权利要求8所述的方法，其中，解析所述业务配置文件之后，所述方法还包括：
    判断解析后的业务配置文件的合法性，其中，所述业务配置文件包括不同的配置子集，通过不同的逻辑标识区别所述配置子集；
    加载所述业务配置文件中合法的配置子集，并将所述业务配置文件中不合法的配置子集上报至所述OLT。
  10. 一种配置文件的处理装置，应用于光线路终端OLT，包括：
    获取模块，设置为获取无源光网络PON口下，部分或全部光网络单元ONU的业务配置文件；
    下发模块，设置为将所述业务配置文件以广播形式下发至所述部分或全部ONU。
  11. 根据权利要求10所述的装置，其中，所述获取模块，设置为：至少根据以下之一生成所述业务配置文件：ONU的支持能力、ONU的业务需求，其中，所述ONU的支持能力用于指示所述ONU是否支持接收所述业务配置文件；或者接收网管或第三方业务平台下发的所述业务配置文件。
  12. 一种配置文件的处理装置，应用于光网络单元ONU，包括：
    接收模块，设置为接收光线路终端OLT以广播形式发送的无源光网络PON口下，部分或全部光网络单元ONU的业务配置文件；
    解析模块，设置为解析所述业务配置文件。
  13. 一种OLT，包括：权利要求10-11任一项所述的装置。
  14. 一种ONU，包括：权利要求12所述的装置。
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