WO2014079261A1 - Procédé et système de configuration de service dans un réseau optique passif - Google Patents

Procédé et système de configuration de service dans un réseau optique passif Download PDF

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Publication number
WO2014079261A1
WO2014079261A1 PCT/CN2013/083157 CN2013083157W WO2014079261A1 WO 2014079261 A1 WO2014079261 A1 WO 2014079261A1 CN 2013083157 W CN2013083157 W CN 2013083157W WO 2014079261 A1 WO2014079261 A1 WO 2014079261A1
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WIPO (PCT)
Prior art keywords
onu
service
olt
configuration file
configuration
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PCT/CN2013/083157
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English (en)
Chinese (zh)
Inventor
傅华明
李青
苏春山
曾南熙
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中兴通讯股份有限公司
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Publication of WO2014079261A1 publication Critical patent/WO2014079261A1/fr

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Classifications

    • 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
    • H04L41/04—Network management architectures or arrangements
    • H04L41/044—Network management architectures or arrangements comprising hierarchical management structures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0064—Arbitration, scheduling or medium access control aspects

Definitions

  • the present invention relates to the field of PON (Passive Optical Network) technology, and in particular, to a service configuration method and system for a passive optical network. Background technique
  • PON Passive Optical Network
  • OLT optical line terminal
  • DN Optical Distribution Network
  • ONU optical network unit
  • ONT optical network terminal
  • ONT optical network Terminal
  • the PON network element management system (referred to as PON EMS) provides the northbound interface (NBI) for the user service to be opened.
  • the PON EMS interacts with the service provider's service activation interface and the service provider's service to automatically exchange the service configuration information to meet the PON network.
  • IPTV Internet TV
  • IPTV Internet TV
  • the installer can implement the service zero configuration when the ONU/ONT is installed on site. After the ONU/ONT is connected to the power supply, the service is immediately delivered, and the installer can immediately perform the service test. , thus enabling ONU/ONT plug and play.
  • the general FTTH (Fiber To The Home) service is opened as follows:
  • the user accepts the business through the business hall or the customer service center, and after the resource management system's resource providing capability is confirmed, the customer order flow is generated and transferred to the service opening system;
  • the resource management system is based on the user's installed address. Allocate the ONU/ONT device and port, and related line resources. If it is enabled, allocate the ONU/ONT port and perform preemption, and return the resource configuration information and device related information to the service provisioning system.
  • the service opening system After the resource configuration is completed, the service opening system generates an automatic construction work order to the automatic activation system;
  • the automatic activation system generates a series of sub-work orders, which are dispatched to the relevant system for activation: Distribute the sub-work orders to the PON EMS. If it is a newly assigned ONU/ONT device, it needs to be performed first.
  • the ONU/ONT Distribute the work order to the softswitch. If the ONU/ONT first activates the voice service, first add the voice device and then add the voice user.
  • SHLR Smart User Database
  • the service opening system After the automatic construction is completed, the service opening system generates a manual construction work order to the construction dispatching system;
  • the construction dispatching system carries out the external line construction according to the work order information dispatcher.
  • the ONU/ONT uses the logical number LOID authentication mode, and the LOID needs to be written to the ONU/ONT device, and the other authentication mode sets the number authentication information.
  • the service configuration data is sent to the PON EMS through the service configuration northbound interface of the PON EMS in step 5, and the PON EMS passes the Simple Network Management Protocol (SNMP, The Simple Network Management Protocol is delivered to the OLT.
  • SNMP Simple Network Management Protocol
  • the Simple Network Management Protocol is delivered to the OLT.
  • the ONU/ONT authentication information is set, the on-site construction personnel turn on the ONU/ONT power supply.
  • the ONU/ONT service configuration data is managed from the OLT through the extended operation.
  • Maintenance (OAM) or ONT Management and Control Interface (OMCI) channels are automatically delivered, enabling FTTH plug-and-play without manual intervention.
  • ONU/ONTs In the FTTH scenario, most of the ONU/ONTs of the Single Home Unit (SFU) or Home Gateway Type Unit (HGU) type are used. These types of ONU/ONTs are relatively simple in the Layer 2 service configuration management part, extending OAM or OMCI support is relatively complete. The number of ports provided on the ONU/ONT is small. All configurations can be saved on the OLT.
  • SFU Single Home Unit
  • HGU Home Gateway Type Unit
  • the MDU does not only include the configuration of the Layer 2 service, but also the configuration of the Layer 3 service.
  • the service type of the MDU is not only the Ethernet service but also the network.
  • the VoIP service also includes services such as Asymmetric Digital Subscriber Line (ADSL) and Very-high-bit-rate Digital Subscriber Loop (VDSL).
  • OMCI does not have enough configuration interfaces for these services.
  • the number of MDU ports is large.
  • the configuration data of all MDUs stored in the OLT will also occupy a large amount of memory space of the OLT.
  • the MDU type of ONU is often used in the FTTB (Fibre to The Building) scenario.
  • the MDU is managed as a separate NE.
  • the MDU device is enabled during the network deployment phase.
  • the PON EMS directly uses the SNMP protocol to configure services for user ports on the MDU to implement service delivery.
  • MDU has also been widely used in the FTTO (Fiber To The Office) scenario.
  • Many scenarios of FTTO are generally opened after the user applies for business in the business hall.
  • the FTTB service opening method cannot meet the FTTO opening scenario. It is required that in the FTTO scenario, the same service opening method as the FTTH scenario is required, that is, the ONU is required to be provisioned with zero configuration, and the ONU is plug and play, but due to the complicated configuration of the MDU service described above, the definition of the OMA or OMCI is extended.
  • the interface standard cannot meet the requirements of the business development. At present, it is not possible to use the FTTH scenario and open the SFU-like opening process to open the MDU.
  • the MDU device is generally managed as a network element in the PON network.
  • the MDU device itself can support SNMP management.
  • a traditional way is to receive the MDU service configuration in the PON EMS. After the work order, the data is cached on the PON EMS. After the MDU is online, the PON EMS uses the SNMP protocol to configure the service for the MDU user port.
  • the disadvantage of this method is that the entire system relies on the MDU online Trap notification message, and the SNMP Trap notification message is an unreliable message, which is easy to be lost, and the Trap message cannot be on the NMS when a Trap message storm occurs on the network. Timely and reliable processing will affect the timely opening of the MDU.
  • the main purpose of the embodiments of the present invention is to provide a service configuration method and system for a passive optical network, so as to implement an efficient and reliable ONU plug-and-play service configuration opening method based on a file transfer protocol. .
  • the embodiment of the present invention provides a service configuration method for a passive optical network, where the method includes: After the PON EMS of the passive optical network element management system receives the command of the optical network unit ONU delivered by the service activation system, the light is Creating an ONU on the line terminal OLT;
  • the PON EMS After receiving the ONU service activation command sent by the service activation system, the PON EMS needs to be configured to send the service configuration information on the OLT to the OLT, and convert the service configuration information that needs to be configured to the ONU side into corresponding
  • the ONU configuration file is uploaded to the configuration file server.
  • the method further includes:
  • the PON EMS sends the acquisition parameters of the ONU configuration file to the OLT.
  • the method further includes: after the PON EMS receives the command to create an ONU issued by the service activation system, if the command to create the ONU carries the IP address assigned to the ONU, the PON EMS configures the management channel parameter, and The management channel parameter and the IP address carried in the command to create an ONU are sent to the OLT; If the command for creating an ONU does not carry the IP address assigned to the ONU, the PON EMS allocates an idle IP address to the created ONU, configures management channel parameters, and assigns the IP address and management channel parameters of the PON EMS. Send to the OLT;
  • the source of the idle IP address is: The network management system performs allocation and release management of the IP address pool.
  • the method further includes:
  • the PON EMS marks the created ONU as an unconfigured service
  • the OLT when the OLT detects that the ONU is online, the OLT sends a management channel parameter corresponding to the ONU and an acquisition parameter of the configuration file to the ONU; and the OLT determines that the ONU is not configured with a service.
  • the issuing command triggers the ONU to obtain a corresponding ONU configuration file from the configuration file server.
  • the method further includes:
  • the OLT When the OLT detects that the ONU is online, the OLT sends a management channel parameter corresponding to the ONU and an acquisition parameter of the configuration file to the ONU;
  • the ONU configuration file is obtained from the configuration file server according to the obtaining parameter.
  • the method further includes: the ONU loading the corresponding service according to the obtained ONU configuration file.
  • the method further includes:
  • the ONU returns a file loading completion message to the OLT after the service is loaded. After receiving the file loading completion message of the ONU, the OLT marks the ONU as a configured service.
  • the method further includes:
  • the ONU returns a file loading completion message to the OLT after the service is loaded, and marks itself as a configured service.
  • the embodiment of the invention further provides a service configuration system for a passive optical network, the system comprising: a service activation system, a passive optical network element management system PON EMS, and a configuration file server, where the service activation system is configured to send a command for creating an optical network unit ONU and an ONU service activation command to the PON EMS;
  • the PON EMS is configured to create an ONU on the optical line terminal OLT after receiving the command to create an ONU issued by the service activation system. After receiving the ONU service activation command sent by the service activation system, the PON EMS needs to be configured.
  • the service configuration information of the OLT is sent to the OLT, and the service configuration information that needs to be configured to the ONU is converted into a corresponding ONU configuration file and then uploaded to the configuration file server.
  • the profile server is configured to store the ONU configuration file.
  • the PON EMS is further configured to: after uploading the ONU configuration file to the configuration file server, send the acquisition parameter of the ONU configuration file to the OLT.
  • the PON EMS is further configured to: after receiving the command to create an ONU issued by the service activation system, if the command to create an ONU carries an IP address assigned to the ONU, the PON EMS configures the management channel parameter, and Sending the management channel parameter and the IP address carried in the command to create an ONU to the OLT;
  • the command for creating an ONU does not carry the IP address assigned to the ONU, the created ONU is assigned an idle IP address, the management channel parameter is configured, and the IP address and management channel parameters allocated by the PON EMS are sent to the OLT;
  • the source of the idle IP address is: The network management system performs allocation and release management of the IP address pool.
  • the PON EMS is further configured to: after the ONU is created on the OLT, mark the created ONU as an unconfigured service;
  • the system also includes an OLT and an ONU.
  • the OLT is configured to: when detecting that the ONU is online, and determine that the ONU is not configured with a service, send a management channel parameter corresponding to the ONU and an acquisition parameter of the configuration file to the And when the OLT determines that the ONU is not configured with a service, the command is sent to trigger the ONU to obtain a corresponding ONU configuration file from the configuration file server;
  • the ONU is configured to obtain a corresponding ONU configuration file from the configuration file server according to the received acquisition parameter, and load the corresponding service according to the obtained ONU configuration file.
  • the ONU is further configured to return a file loading completion message to the OLT after the service loading is completed;
  • the OLT is further configured to mark the ONU as a configured service after receiving the file loading completion message of the ONU.
  • the system also includes an OLT and an ONU.
  • the OLT is configured to send, to the ONU, a management channel parameter corresponding to the ONU and an acquisition parameter of a configuration file when detecting that the ONU is online;
  • the ONU is configured to obtain an ONU configuration file from the configuration file server according to the received acquisition parameter, and load the corresponding service according to the obtained ONU configuration file.
  • the ONU is further configured to return a file loading completion message to the OLT after the service loading is completed, and mark itself as a configured service.
  • the embodiment of the present invention further provides a passive optical network element management system PON EMS, including: an optical network unit ONU creation module, configured to receive an ONU command sent by the service activation system, at the optical line terminal Create an ONU on the OLT;
  • PON EMS passive optical network element management system
  • the file transmission module is configured to: after receiving the ONU service activation command sent by the service activation system, send the service configuration information of the OLT side to the OLT, and convert the service configuration information of the ONU side into a corresponding ONU configuration file. After uploading to the profile server.
  • the optical network unit ONU creation module, the file transmission module uses a central processing unit (CPU), a digital signal processor (DSP, Digital Singnal Processor) or a programmable logic array (FPGA, when performing processing). Field - Programmable Gate Array ) implementation.
  • CPU central processing unit
  • DSP digital signal processor
  • FPGA programmable logic array
  • the file transmission module is further configured to: after uploading the ONU configuration file to the configuration file server, send the acquisition parameter of the ONU configuration file to the OLT.
  • the ONU creation module is further configured to: after receiving the command to create an ONU issued by the service activation system, if the command to create an ONU carries an IP address assigned to the ONU, the ONU creates a module configuration management channel parameter. And sending the management channel parameter and the IP address carried in the command for creating the ONU to the OLT;
  • the ONU creation module is further configured to mark the created ONU as an unconfigured service after the ONU is created on the OLT.
  • a service configuration method and system for a passive optical network after the PON EMS receives the ONU service activation command sent by the service activation system, the service configuration information of the ONU side is converted into a corresponding ONU.
  • the configuration file is uploaded to the configuration file server, the ONU goes online and obtains the configuration file from the configuration file server for service loading. This ensures that the ONU can be enabled for zero-site configuration and the ONU is plug-and-play.
  • the present invention uses the configuration file as a method for configuring the ONU service, so that the OLT and the ONU can implement the complex service delivery of the ONU without extensive development of the extended OAM or the OMCI interface.
  • the file is configured as an interface to configure the ONU service.
  • the service delivery of the ONU is more reliable than that of a large number of SNMP commands.
  • the configuration file can be saved on a storage medium other than the OLT, which can greatly save the memory and storage of the OLT. space.
  • the ONU obtains the configuration file that is triggered by the OLT. This method does not require the participation of the PON EMS. Compared with the traditional SNMP Trap triggering and the PON EMS initiating the command, the reliability and stability of the embodiment of the present invention are compared. Greatly enhanced. DRAWINGS
  • FIG. 1 is a flowchart of a service configuration method of a passive optical network according to an embodiment of the present invention
  • FIG. 2 is a flowchart of an ONU not online stage according to an embodiment of the present invention
  • FIG. 3 is a flowchart of an ONU online phase in an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a PON EMS according to an embodiment of the present invention. detailed description
  • the embodiment of the invention provides a service configuration method for a passive optical network. As shown in FIG. 1 , the method mainly includes:
  • Step 101 After receiving the ONU command sent by the service activation system, the PON EMS creates an ONU on the OLT (the ONU is offline).
  • a resource pool device for allocating an IP address to the ONU is provided on the PON EMS.
  • the PON EMS receives the command to create an ONU issued by the service activation system, if the command for creating the ONU carries the IP address assigned to the ONU, The PON EMS configuration management channel parameter, and the IP address carried in the management channel parameter and the command to create the ONU is sent to the OLT; if the command to create an ONU does not carry the IP address assigned to the ONU
  • the PON EMS allocates a free IP address to the created ONU, configures a management channel parameter, and sends the IP address and the management channel parameter to the OLT.
  • the management channel parameters include, but are not limited to, routing parameters and management channel virtual local area networks (VLANs).
  • the OLT persists and saves the management channel parameters of the ONU.
  • the OLT adds a "service configuration flag" to each ONU that has been configured. After the ONU is first created, the PON EMS sends an SNMP command to mark the ONU as "unconfigured service”. Optionally, the OLT can automatically mark the ONU as "not”. Configure the business.”
  • Step 102 After receiving the ONU service activation command sent by the service activation system, the PON EMS sends the service configuration information of the OLT to the OLT, and configures the service on the ONU side. The information is converted into the corresponding ONU configuration file and uploaded to the configuration file server.
  • the PON EMS uploads the ONU configuration file by using the file transfer protocol.
  • the content of the ONU configuration file preferably includes only the service configuration related data received by the PON EMS from the upper layer service activation system; but may also include some default configurations, such as ONU. Configuration of access control on the other.
  • the PON EMS After the PON EMS uploads the ONU configuration file to the configuration file server, the PON EMS sends the acquisition parameters of the ONU configuration file to the OLT.
  • the OLT device persists the parameters for saving the ONU configuration file.
  • the created ONU can be marked as an unconfigured service; correspondingly, when the OLT detects that the ONU is online, and determines according to the service configuration flag corresponding to the ONU, When the ONU is not configured with the service, the OLT delivers (through the extended OAM or OMCI) to the ONU corresponding to the management channel parameter and the configuration file of the ONU, and sends a command to trigger the ONU to obtain the configuration file server.
  • the corresponding ONU configuration file The ONU can obtain the ONU configuration file through the file transfer protocol, and each ONU has a dedicated configuration file.
  • the PON EMS creates an ONU on the OLT, it may not mark whether the ONU configures the service.
  • the OLT detects that the ONU is online, the OLT sends the management channel parameters and the configuration parameters of the configuration file to the ONU.
  • the ONU determines that the service is not configured according to the self tag, the ONU obtains the corresponding ONU configuration file from the configuration file server according to the obtaining parameter.
  • the ONU supports the management of channel parameters by extending the OAM or OMCI configuration. It supports the configuration of the ONU configuration file by extending OAM or OMCI. It has the ability to obtain configuration files from the configuration file server and automatically load service configurations through the file transfer protocol.
  • the ONU After the service is loaded, the ONU sends an extended OAM or OMCI message to the OLT. If the loading is successful, the OLT sets the service configuration of the ONU as "configured service". If the OLT fails to load the service, the OLT may initiate a load request again. If the ONU fails to load within a limited number of times, the OLT sends a Trap message to the PON EMS to notify the EMS monitoring personnel to process. When the OLT detects that the ONU is online, if the service configuration flag of the ONU is "configured service", the OLT does not initiate the ONU to load the configuration request. If the ONU is replaced, the service configuration flag of the ONU needs to be set to "unconfigured service”.
  • the ONU After the new ONU goes online, you can obtain the configuration file to implement configuration loading.
  • the ONU Preferably, the ONU supports the legal verification of the obtained configuration file. If the verification fails, the notification message is sent to the PON EMS.
  • the ONU supports the configuration of the post-loading notification message to the PON EMS.
  • the ONU loads the corresponding service according to the obtained ONU configuration file.
  • the ONU returns a file loading completion message to the OLT after the service is loaded; the OLT receives the file of the ONU. After the completion message is loaded, the ONU is marked as a configured service.
  • the ONU returns a file loading completion message to the OLT after the service is loaded, and actively marks itself as a configured service.
  • the configuration file server in the embodiment of the present invention may be disposed inside the PON EMS (that is, the PON EMS has the configuration file server function). Of course, it may also be disposed outside the PON EMS as an independent peripheral.
  • a File Transfer Protocol is used as a transport protocol for a configuration file
  • a PON EMS serves as a configuration file server, which provides the function of an FTP server.
  • the IP address pool of the ONU needs to be configured in advance on the PON EMS.
  • the ONU can allocate a management address from the address pool. Each IP address in the address pool can only be used by one ONU. The assigned IP address cannot be repeatedly allocated.
  • the FTP service is started on the PON EMS.
  • the configured user is configured on the FTP server.
  • the PON EMS uses this user information to upload the configuration file.
  • the ONU uses this user information to download the configuration file.
  • the whole process consists of two phases, namely the ONU non-online phase and the ONU online phase.
  • the specific process is as follows.
  • Figure 2 The process of the ONU not online phase is shown in Figure 2, which mainly includes:
  • Step 201 The service activation system sends a command for creating an ONU to the PON EMS, where the command carries the necessary information that the ONU can create offline, including but not limited to the capability type of the ONU, the authentication information of the ONU, and the dynamic bandwidth allocation of the ONU (DBA, Dynamic Bandwidth Allocation ) Bandwidth template, etc.
  • DBA Dynamic Bandwidth Allocation
  • Step 202 The PON EMS sends an SNMP command to create an ONU to the OLT, and creates an offline ONU on the OLT, and marks the offline ONU "unconfigured service”. After the offline ONU is created on the OLT, the ONU is online. Can be automatically authenticated.
  • Step 203 After the ONU is successfully created, the PON EMS determines whether the command for creating the ONU carries the IP address assigned to the ONU. If it is carried, the PON EMS configures the management channel parameter, and sets the management channel parameter and the command for creating the ONU. The IP address carried in the OLT is delivered to the OLT. If the command to create an ONU does not carry the IP address assigned to the ONU, the PON EMS allocates an idle IP address to the ONU and configures the management channel parameters. The assigned IP address and management channel parameters are sent to the OLT, and the OLT persists these configuration parameters on the OLT.
  • the management channel parameters include but are not limited to routing parameters and management channel VLANs.
  • Step 204 The PON EMS returns a successful ONU response to the service activation system.
  • Step 205 The service activation system sends the service configuration data of the ONU (that is, the ONU service activation command, and the service is required to be configured for the ONU), and the service may include the common Internet service and the IPTV multicast. One or more of business and voice services.
  • Step 206 The PON EMS parses the service activation command delivered by the service activation system.
  • the service configuration information of the OLT is obtained from the service activation command sent by the service activation system.
  • Step 208 The PON EMS creates service configuration information of the ONU, and converts the service configuration information of the ONU into a corresponding ONU configuration file, and then uploads the information to the FTP server.
  • Step 209 The PON EMS sends the parameters of the ONU configuration file to the OLT, where the obtaining parameters include at least: an IP address of the FTP server, an FTP user name, an FTP password, a file name, and a file relative path.
  • the OLT persists these parameters.
  • Step 210 The PON EMS returns a configuration service success response to the service activation system.
  • Figure 3 The process of the ONU online phase is shown in Figure 3, which mainly includes:
  • Step 301 The ONU is powered on, and registration and authentication are completed.
  • Step 302 The OLT detects that the ONU completes registration and authentication, and sends the management channel parameter to the ONU by extending the OAM or OMCI interface.
  • Step 303 The OLT sends the parameters of the ONU configuration file to the OLT by extending the OAM or the OMCI interface, where the obtaining parameters include at least: an IP address of the FTP server, an FTP user name, an FTP password, a file name, and a file relative path.
  • Step 304 The OLT determines that the ONU is not configured with a service, and sends an ONU to the ONU by extending the OAM/OMCI interface, and triggers the ONU to perform service loading.
  • the step 304 may be performed before the step 302, that is, when the OLT determines that the ONU does not configure the service, step 302-303 and subsequent processes are performed. When the OLT determines that the ONU has configured services, steps 302-303 and subsequent processes are not performed.
  • Step 305 The ONU functions as an FTP client, and logs in to the configuration file server to obtain a configuration file. Pieces.
  • Step 306 The ONU performs file verification, and loads the service configuration from the configuration file.
  • Step 307 The ONU reports the file loading completion message to the OLT by extending the OAM/OMCI interface.
  • Step 308 The OLT sets the service configuration flag of the corresponding ONU to "configured service”.
  • the embodiment of the invention further provides a service configuration system for a passive optical network, which mainly includes: a service activation system, a PON EMS, and a configuration file server, where
  • the service activation system is configured to send a command for creating an ONU and an ONU service activation command to the PON EMS;
  • the PON EMS is configured to create an ONU on the OLT after receiving the command to create an ONU that is sent by the service activation system. After receiving the ONU service activation command sent by the service activation system, the PON EMS is configured to deliver the service configuration information of the OLT. To the OLT, and convert the service configuration information of the ONU side into a corresponding ONU configuration file and upload it to the configuration file server;
  • the configuration file server is configured to store the ONU configuration file and provide a corresponding configuration file download service for the ONU.
  • the PON EMS is further configured to send the ONU configuration file acquisition parameters to the OLT after uploading the ONU configuration file to the configuration file server.
  • the PON EMS is further configured to: after receiving the command to create an ONU sent by the service activation system, if the command for creating the ONU carries the IP address assigned to the ONU, the PON EMS configuration management channel parameter And sending the management channel parameter and the IP address carried in the command for creating the ONU to the OLT;
  • the command for creating an ONU does not carry the IP address assigned to the ONU, the created ONU is assigned an idle IP address, the management channel parameter is configured, and the IP address and management channel parameters assigned by the PON EMS are sent to the OLT.
  • the PON EMS is further configured to be created after the ONU is created on the OLT.
  • the ONU is marked as unconfigured;
  • the system further includes an OLT and an ONU, configured to: when the ONU is detected to be online, and determine that the ONU is not configured with a service, the management channel parameter corresponding to the ONU and the acquisition parameter of the configuration file are sent to the ONU; When the OLT determines that the ONU is not configured with a service, the issuing command triggers the ONU to obtain a corresponding ONU configuration file from the configuration file server.
  • the ONU is configured to obtain a corresponding ONU configuration file from the configuration file server according to the received acquisition parameter, and load the corresponding service according to the obtained ONU configuration file.
  • the ONU may be further configured to return a file loading completion message to the OLT after the service loading is completed;
  • the OLT is further configured to mark the ONU as a configured service after receiving the file loading completion message of the ONU.
  • the system may also include an OLT and an ONU.
  • the OLT is configured to send the management channel parameter corresponding to the ONU and the acquisition parameter of the configuration file to the ONU when detecting that the ONU is online;
  • the ONU is configured to obtain an ONU configuration file from the configuration file server according to the received acquisition parameter, and load the corresponding service according to the obtained ONU configuration file.
  • the ONU may be further configured to return a file loading completion message to the OLT after the service loading is completed, and actively mark itself as a configured service.
  • the embodiment of the invention further provides a PON EMS, as shown in FIG. 4, which mainly includes:
  • the ONU creation module 10 is configured to create an ONU on the OLT after receiving the command to create an ONU issued by the service activation system.
  • the file transmission module 20 is configured to: after receiving the ONU service activation command sent by the service activation system, send the service configuration information of the OLT side to the OLT, and convert the service configuration information of the ONU side into a corresponding ONU configuration.
  • the file is uploaded to the configuration file server.
  • the file transfer module 20 is further configured to: after uploading the ONU configuration file to the configuration file server, send the acquisition parameter of the ONU configuration file to the OLT.
  • the ONU creation module 10 is further configured to: after receiving the command to create an ONU issued by the service activation system, if the command to create an ONU carries an IP address assigned to the ONU, the ONU creation module is configured. Administering the channel parameters, and sending the management channel parameters and the IP address carried in the command to create the ONU to the OLT;
  • the created ONU is assigned an idle IP address, the management channel parameter is configured, and the IP address and management channel parameters assigned by the ONU creation module 10 are sent to the ONU.
  • the OLT If the command for creating an ONU does not carry the IP address assigned to the ONU, the created ONU is assigned an idle IP address, the management channel parameter is configured, and the IP address and management channel parameters assigned by the ONU creation module 10 are sent to the ONU.
  • the OLT is
  • the ONU creation module 10 is further configured to mark the created ONU as an unconfigured service after the ONU is created on the OLT.
  • the PON EMS after receiving the ONU service activation command sent by the service activation system, the PON EMS converts the service configuration information of the ONU side into a corresponding ONU configuration file and uploads it to the configuration file server.
  • the configuration file is obtained from the configuration file server for service loading. This ensures that the ONU can be enabled for zero-site configuration and the ONU is plug-and-play.
  • the embodiment of the present invention uses the configuration file as a method for configuring the ONU service, so that the OLT and the ONU can implement the complex service delivery of the ONU without extensive development of the extended OAM or OMCI interface.
  • the file is configured as an interface to configure the ONU service.
  • the method also makes the service delivery of the ONU more reliable than the large number of issued SNMP commands. Moreover, since the file is used as the interface for service configuration, the configuration file can be saved on a storage medium other than the OLT, and the OLT memory can be greatly saved. And storage space. In the embodiment of the present invention, the ONU acquisition configuration file is triggered by the OLT. This method does not require the participation of the PON EMS. Compared with the traditional SNMP Trap triggering and the PON EMS initiating the command, the reliability and stability of the embodiment of the present invention are compared. Greatly enhanced.
  • the PON EMS After receiving the ONU service activation command sent by the service activation system, the PON EMS converts the service configuration information of the ONU to the corresponding ONU configuration file and uploads it to the configuration file server. After the ONU goes online, the configuration file server is sent from the configuration file server. Obtaining the configuration file for service loading ensures that the ONU can be enabled for on-site zero configuration and the ONU is plug and play. In the embodiment of the present invention, the ONU obtains the configuration file that is triggered by the OLT. This method does not require the PON EMS to participate. Compared with the traditional SNMP Trap trigger and the PON EMS initiates the command, the embodiment of the present invention uses reliability and The stability is greatly enhanced.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)

Abstract

L'invention concerne un procédé et un système de configuration de service dans un réseau optique passif. Le procédé comprend : après la réception de l'instruction de création d'une unité de réseau optique (ONU) émise par le système d'activation de service, le système de gestion d'élément de réseau optique passif (PON EMS) crée l'ONU sur le terminal de ligne optique (OLT) ; après réception de l'instruction pour l'activation de service d'ONU émise par le système d'activation de service, le PON EMS émet l'information de configuration de service du côté OLT vers l'OLT et convertit l'information de configuration de service du côté ONU en un fichier de configuration d'ONU correspondant, puis charge le fichier de configuration d'ONU sur le serveur de fichier de configuration. Grâce à la présente invention, un procédé d'ouverture de configuration de service est mis en place, basé sur un protocole de transfert de fichier efficace et fiable et sur un système prêt à l'emploi de l'ONU.
PCT/CN2013/083157 2012-11-23 2013-09-09 Procédé et système de configuration de service dans un réseau optique passif WO2014079261A1 (fr)

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