WO2012071825A1 - Procédé et système pour gérer des paramètres liés à une passerelle domestique dans un système de réseau optique passif gigabit (gpon) - Google Patents

Procédé et système pour gérer des paramètres liés à une passerelle domestique dans un système de réseau optique passif gigabit (gpon) Download PDF

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Publication number
WO2012071825A1
WO2012071825A1 PCT/CN2011/071613 CN2011071613W WO2012071825A1 WO 2012071825 A1 WO2012071825 A1 WO 2012071825A1 CN 2011071613 W CN2011071613 W CN 2011071613W WO 2012071825 A1 WO2012071825 A1 WO 2012071825A1
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Prior art keywords
home gateway
omci
optical network
management entity
terminal
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PCT/CN2011/071613
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English (en)
Chinese (zh)
Inventor
陈琦
支新军
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中兴通讯股份有限公司
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Publication of WO2012071825A1 publication Critical patent/WO2012071825A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • 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
    • H04L41/0826—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability for reduction of network costs

Definitions

  • the present invention relates to a Gigabit-Capable Passive Optical Network (GPON) technology in the field of communications, and in particular to a method and system for managing a Home Gateway (HGW) related parameter in a GPON system.
  • GPON Gigabit-Capable Passive Optical Network
  • GPON is favored by many large international operators due to its high bandwidth and high split ratio.
  • the GPON-based Fiber To The Home (FTTH) solution has become the mainstream of all countries.
  • Carrier's broadband solution is favored by many large international operators due to its high bandwidth and high split ratio.
  • Optical Network Unit or Optical Network Terminal ( ⁇ ) is used as an access terminal for GPON FTTH, in addition to providing traditional TRIPLEPLAY services (voice, data, video).
  • ONU and ONT act as gateway devices for connecting home local area network (LAN) and wide area network (WAN), and there are many necessary parameters to configure and manage. Due to the decentralized nature of FTTH terminals, remote maintenance management becomes a necessary means of network operation.
  • the OMCI management mechanism of the ITU-T G.984.4 specification is a passive optical network ONU or ONT remote management interface commonly used in the industry. That is, the management of ONU or ONT is completely through Optical Line Terminal (OLT) and ONU.
  • the ONU Management and Control Channel (OMCC) is completed, and the Network Management System (NMS) and the OLT communicate through the Simple Network Management Protocol (SNMP).
  • the NMS sends the commands and performance queries of the OLT and the ONU/ONT to the OLT through SNMP.
  • the OLT sends the OLT to the ONT through the OMCI.
  • the OMCI management architecture is shown in Figure 1.
  • OMCI OMCI management entity
  • MEs device management entities
  • TR069 ONU Management and Control Interface
  • the GPON ONU or the home gateway attributes are configured and managed remotely through the TR069 protocol.
  • the TR069/OMCI hybrid management architecture is shown in Figure 2.
  • the disadvantage is that two sets of management systems need to coexist, which increases the cost and complexity of network management.
  • SUMMARY OF THE INVENTION The technical problem to be solved by the present invention is to overcome the defects that the OMCI management control interface in the prior art cannot manage and configure the home gateway function module of the ONU or the ONT, and provide an extension to the OMCI protocol management entity.
  • the present invention provides a method for managing related parameters of a home gateway in a GPON system, including:
  • An optical network terminal having a home gateway function creates an instance of a home gateway management entity, and notifies the optical line terminal that the optical network terminal has a home gateway service capability through an optical network unit management control interface (OMCI);
  • OMCI optical network unit management control interface
  • the optical line terminal After receiving the notification, the optical line terminal manages related parameters of the home gateway management entity by using the OMCI.
  • the foregoing method further has the following features: After the step of the optical network terminal to create an instance of the home gateway management entity, the method further includes: the optical network terminal associating the instance with the optical network terminal.
  • the optical network terminal having the home gateway service capability includes the following information: a defined attribute and an operation type,
  • the defined attributes include: Home Gateway Management Entity Identity, Automatic Configuration Server Uniform Source locator, auto-configuration server authentication credentials, dynamic host settings protocol server properties, local network side network port working mode, routing, and WAN side connection properties;
  • the types of operations include: Query and Settings.
  • the step of the optical line terminal managing the related parameters of the home gateway management entity by using the OMCI includes:
  • the step of the optical line terminal managing the related parameters of the home gateway management entity by using the OMCI includes:
  • the optical line terminal queries or modifies corresponding attribute values of the home gateway management entity through the OMCI.
  • the present invention further provides a system for managing a home gateway related parameter in a GPON system, including: an optical network terminal and an optical line terminal having a home gateway function, wherein the optical network terminal includes a first optical network unit
  • the management control interface (OMCI) protocol processing module is configured to: after creating an instance of the home gateway management entity, notify the optical line terminal of the optical network terminal by using an optical network unit management control interface (OMCI) Have the ability of home gateway business;
  • the optical line terminal includes a second OMCI protocol processing module, and the second OMCI protocol processing module is configured to: after receiving the notification, manage related parameters of the home gateway management entity by using the OMCI.
  • the system further has the following features:
  • the first OMCI protocol processing module is further configured to: after the instance of the home gateway management entity is created, associate the instance with the optical network terminal.
  • the optical network terminal has the home gateway service capability including the following information: defined attributes and operation types,
  • the defined attributes include: a home gateway management entity identifier, an automatic configuration server uniform resource locator, an automatic configuration server authentication credential, a dynamic host setting protocol server attribute, a local network side network port working mode, a routing, and a wide area network side connection attribute;
  • the types of operations include: Query and Settings.
  • the system further has the following features: the second OMCI protocol processing module includes a setting unit, and the setting unit is configured to: set or modify a corresponding one of the home gateway management entity by using the OMCI according to a user service configuration requirement. Property value.
  • the system further has the following features:
  • the second OMCI processing module further includes a query unit, and the query unit is configured to: query, by the OMCI, a corresponding attribute value of the home gateway management entity.
  • the present invention also provides an optical network terminal for managing a home gateway related parameter in a GPON system, wherein the optical network terminal has a home gateway function, and the optical network terminal includes a first optical network unit management control interface (OMCI) protocol processing module.
  • OMCI optical network unit management control interface
  • the first OMCI protocol processing module is configured to: after creating an instance of the home gateway management entity, notify the optical line terminal that the optical network terminal has the home gateway service capability by using an optical network unit management control interface (OMCI);
  • OMCI optical network unit management control interface
  • the second OMCI protocol processing module of the optical line terminal manages related parameters of the home gateway management entity by using the OMCI.
  • the first OMCI protocol processing module is further configured to: after the instance of the home gateway management entity is created, associate the instance with the optical network terminal.
  • the optical network terminal having the home gateway service capability includes the following information: a defined attribute and an operation type,
  • the defined attributes include: a home gateway management entity identifier, an automatic configuration server uniform resource locator, an automatic configuration server authentication credential, a dynamic host setting protocol server attribute, a local network side network port working mode, a routing, and a wide area network side connection attribute;
  • the types of operations include: Query and Settings.
  • the present invention also provides an optical line terminal for managing a home gateway related parameter in a GPON system, where
  • the optical line terminal includes a second optical network unit management control interface (OMCI) protocol processing module, and the second OMCI protocol processing module is configured to: after receiving the notification of the optical network terminal, manage the home gateway management entity through the OMCI parameter;
  • the optical network terminal is provided with a home gateway function, and the notification is: after the first OMCI protocol processing module of the optical network terminal creates an instance of the home gateway management entity, the optical line terminal is notified by the OMCI that the optical network terminal has a home. Gateway business capabilities.
  • OMCI optical network unit management control interface
  • the second OMCI protocol processing module includes a setting unit, and the setting unit is configured to: set or modify a corresponding attribute value of the home gateway management entity by using the OMCI according to a user service configuration requirement.
  • the second OMCI processing module further includes a query unit, and the query unit is configured to: query, by using the OMCI, a corresponding attribute value of the home gateway management entity.
  • the present invention provides a method and system for managing HGW related parameters in a GPON system, which can implement convenient maintenance and management of a home gateway terminal device in a GPON system through an OMCI management interface, and has good real-time performance. Compared with some remote management solutions, there is no need to configure ACS, which reduces the complexity and operation and maintenance costs of the network management system.
  • Figure 1 is a network management architecture diagram of the GPON system based on the OMCI protocol
  • Figure 2 is a hybrid management structure diagram of the home gateway device based on TR069/OMCI in the GPON system
  • FIG. 3 is a schematic diagram of a system for managing a home gateway related parameter in a GPON system according to the present invention
  • FIG. 4 is a flowchart of a method for managing a home gateway related parameter in a GPON system according to the present invention
  • FIG. 5 is a GPON system according to an embodiment of the present invention
  • the solution provided by the present invention abandons the above-mentioned management architecture commonly used in the industry, and implements a reasonable expansion of the Management Entity (ME) of the OMCI protocol to implement an optical network unit/terminal (ONU or through the OMCI remote management interface).
  • ME Management Entity
  • ONU optical network unit/terminal
  • OMCI remote management interface optical network unit/terminal
  • the home gateway attribute of ONT is managed and configured.
  • the biggest advantage is that the network management system has a simple structure and low operating cost.
  • FIG. 3 is a schematic diagram of a system for managing home gateway related parameters in a GPON system of the present invention, and the system of the present invention involves the following modules:
  • the second OMCI protocol processing module OMCI protocol processing module in the OLT
  • the OMCI protocol processing module in the ONU/ONT (referred to as the first OMCI protocol processing module);
  • the present invention adds a Home Gateway Management Entity (HGW ME), and various attributes, operation methods, and configurations of the HGW ME.
  • HGW ME Home Gateway Management Entity
  • the management process is defined, and a system model for implementing management of an optical network terminal having a home gateway function through an OMCI interface in a GPON system is proposed.
  • the first OMCI protocol processing module is configured to notify the optical line terminal that the optical network terminal has the home gateway service capability by using the OMCI to create an instance of the home gateway management entity;
  • the second OMCI protocol processing module is configured to, after receiving the notification, manage related parameters of the home gateway by the OMCI.
  • the system of the present invention can implement convenient maintenance and management of the terminal device supporting the home gateway in the GPON system through the OMCI management interface, and has good real-time performance.
  • the ACS is not required to be configured. Reduce the complexity of network management systems and operation and maintenance costs.
  • the first OMCI protocol processing module is further configured to create an instance for the home gateway management entity, and associate the instance with the optical network terminal.
  • the parameter set of the home gateway management entity includes the following information: a defined attribute and an operation type, where the defined attributes include: a home gateway management entity identifier, an ACS uniform resource locator,
  • the second OMCI protocol processing module includes: a setting unit and a query unit, where the setting unit is configured to set or modify a corresponding attribute value of the home gateway management entity by using the OMCI according to a user service configuration requirement;
  • a query unit configured to query, by using the OMCI, a corresponding attribute value of the home gateway management entity.
  • the method for managing the parameters related to the home gateway through the OMCI in the GPON system, as shown in FIG. 4, includes the following steps:
  • the OMCC management channel between the ONU/ONT and the OLT has been established, which is clearly defined in the ITU-T G.984.4 specification.
  • An optical network terminal having a home gateway function creates a home gateway management entity (HGW)
  • the optical network terminal is notified by the OMCI that the optical network terminal has the home gateway service capability; specifically, the ONU/ONT with the home gateway function creates the HGW ME after startup, and passes the MIB upload specified by the OMCI (management entity information base)
  • the OLT is configured to notify the OLT that the terminal has the home gateway service capability.
  • the attribute data of the HGW ME is sent to the OLT, so that the OLT knows that the HGW ME exists on the ONU, and informs the OLT of the current value of each parameter of the HGW ME. .
  • the optical line terminal manages related parameters of the home gateway management entity by using an OMCI.
  • the OLT sets the set command specified by the OMCI interface according to the user service configuration requirement.
  • the various attributes of the HGW ME of the ONU/ONT are configured to implement the necessary parameters of the home gateway device.
  • the user service configuration includes, but is not limited to, the ACS server access credentials for managing the ONU, the ONU WAN interface IP address information, and the ONU LAN interface working mode.
  • the ONU/ONT can implement the home gateway service function according to the parameters set by the above OMCI.
  • the OLT can tamper and query the HGW ME parameters of the ONU/ONT through the set, get, and other commands specified by the OMCI interface at any time. After the HGW ME parameters are updated, The ONU/ONT is configured and working according to the new parameters.
  • the embodiment of the present invention still uses the OMCI-based network management architecture shown in FIG. 1.
  • the present invention only modifies the OMCI management module of the OLT and the ONU/ONT, including adding the definition of the HGW ME:
  • HGW configuration data As shown in Table 1, Table 1
  • the HGW configuration data managed entity type value is defined as 241. Of course, it can also be defined as other numbers.
  • the HGW configuration data management entity defines the configuration data necessary for the ONU/ONT to implement the HGW function.
  • the OLT discovers the support capability and mode of the ONU/ONT for the HGW function through the management entity, and performs necessary data configuration on the HGW function of the ONU/ONT through the management entity, and the ONU/ONT performs the IP data forwarding function according to the configuration data.
  • the relevant configuration data defined by the HGW configuration data management entity is as follows:
  • Each ONU/ONT can only create one instance of this HGW ME and is only associated with this ONU/ONT.
  • the defined Attributes include:
  • ME id This attribute uniquely identifies each instance of HGW ME. Each ONU/ONT supports only one instance. The value of this attribute is 0.
  • the structure of the ME id is defined as: (R) (mandatory) (2 bytes) , indicating that the attribute is read-only, required, and takes up 2 bytes of space.
  • ACS URL (Uniform / Universal Resource Locator): This attribute defines the ONU-related ACS connection URL attribute, which can be set and queried by OMCI. The content is a pointer to a generic Large strin long string.
  • the structure of the ACS URL is defined as: (R, W) (mandatory) (2 bytes) , indicating that the attribute is readable and writable, required, and takes up 2 bytes of space.
  • ACS authentication This attribute defines the identity required for the ACS connection.
  • the information can be set and queried by OMCI.
  • the content is a pointer to the general Large string entity.
  • the multiple authentication related parameters are separated by colons and stored in the above Large string entity.
  • the structure of the ACS authentication is defined as: (R, W) (mandatory) (2 bytes).
  • DHCP (Dynamic Host Configuration Protocol) Server attribute This attribute defines the parameter information of the HGW built-in DHCP Server. It can be set and queried through OMCI.
  • the structure of the DHCP Server attribute is defined as: R, W) (mandatory) (10 bytes) , the structure includes:
  • Port DHCP map DHCP enable switch (7 bits) for each port
  • IP address pool start IP address pool start address ( 4 bytes ),
  • IP address pool end IP address pool end address ( 4 bytes ),
  • IP address old time (1 byte).
  • LAN port service map (LAN side network port working mode table): This attribute defines
  • the LAN side network port working mode of the ONU/ONT device is the Layer 2 access mode or the home gateway mode. It can be set and queried through OMCI.
  • the structure of the LAN port service ma is defined as: (R, W) (mandatory) ( 2 bytes)
  • Router This attribute defines the global routing information used by the HGW device. It points to an IP router service profile management entity defined in the G.984.4 specification. It can be set and queried through the OMCI to define the Router.
  • the structure is: (R, W) (mandatory) (2 bytes).
  • WAN connection attribute This attribute defines the parameter information of the WAN side connection of the ONU/ONT. It can be queried and set by OMCI.
  • the structure of the WAN connection attribute is defined as: ( R, W ) (mandatory) ( 34 bytes ).
  • the definition of the WAN connection attribute includes:
  • Max WAN connection number The maximum number of WAN connections supported by the HGW.
  • the structure is defined as: ( R )(mandatory)( 3 bits , 5 bits MSB ( Most Significant Bit ) , ) Indicates that the highest 5 bits are reserved. This parameter only occupies the other 3 bits.
  • WAN connection status This attribute defines the status of each WAN. It is divided into enable and disable. The structure is defined as: (R, W ) (mandatory) ( 1 byte );
  • WAN connection info This attribute defines the general information of each WAN connection. It is stored in a structure of 4 bytes * 8 (that is, 8 4 bytes length). Each WAN connection has one record and supports up to 8 records. The structure is defined as: ( R, W ) (mandatory) ( 32 bytes ) , and each record includes the following:
  • IP host This attribute is a pointer to the IP host config data management entity specified in the G.984.4 protocol.
  • the structure is defined as: ( R, W ) (mandatory) ( 2 bytes ) ;
  • WAN type This attribute defines the type of WAN connection, including TR069, VoIP, and Internet, and combinations of the above applications.
  • the structure is defined as (R, W) (mandatory) ( 1 bytes );
  • NAT Network Address Translation
  • Firewall This attribute defines whether the firewall function is enabled for this WAN connection.
  • the structure is defined as (R, W) (mandatory) ( 1 bits );
  • Actions include: Get, set.
  • Attribute value change (the attribute value changes to 4 ⁇ )
  • the ONU/ONT supporting the HGW function is registered to the OLT device according to the process specified in the G.984.4 protocol after power-on, and the OMCI management channel is established.
  • Step 100 After the ONU/ONT that supports the HGW function is started, an instance of the HGW ME is automatically created, and the HGW ME attribute is reported to the OLT.
  • the MIB upload process of the G.984.4 protocol is used to report the MIBs supported by the ONU/ONT, including the HGW ME.
  • Step 200 The OLT sets each attribute value of the HGW ME of the ONU/ONT according to the configuration of the user service.
  • the OLT sets the initial contents of the genus '1' generated by the ME id to the Reserved for further function described above according to the configuration of the user service.
  • Step 300 During the configuration data synchronization process of the OLT, the ONU/ONT starts running according to the set parameters.
  • Step 400 When the OLT needs to query the setting of the HGW management entity of the ONU/ONT, use the Get method of the G.984.4 protocol specification to request the current parameter value of the HGW management entity, and the ONU/ONT responds to the query command by using the Get response message.
  • Step 500 When the OLT needs to modify the configuration of the home gateway function data of the remote ONU/ONT, use the Set method of the G.984.4 protocol specification to reset the attribute values of the HGW ME of the ONU/ONT, and the ONU/ONT passes the feedback of the Set response message. Set the result, if the setting is successful, start running according to the newly set parameters.
  • a program to instruct the associated hardware such as a read only memory, a magnetic disk, or an optical disk.
  • all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits.
  • each module/unit in the foregoing embodiment may be implemented in the form of hardware, or may be implemented in the form of a software function module. The invention is not limited to any specific form of combination of hardware and software.
  • the method and system for managing HGW related parameters in the GPON system provided by the embodiments of the present invention can implement convenient maintenance and management of the home gateway terminal equipment in the GPON system through the OMCI management interface, and has good real-time performance and existing Compared with the remote management solution, there is no need to configure ACS, which reduces the complexity of the network management system and the operation and maintenance costs.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

L'invention concerne un procédé et un système permettant de gérer des paramètres liés à une passerelle domestique dans un système GPON. Le procédé comprend les étapes suivantes: un terminal de réseau optique équipé de la fonction de passerelle domestique produit une instance d'une entité de gestion de passerelle domestique, notifie un terminal de ligne optique, par l'intermédiaire d'une interface de gestion et de commande d'unités de réseau optique (OMCI), qu'il est équipé de la fonction de service de passerelle domestique; le terminal de ligne optique gère les paramètres correspondants de l'entité de gestion de passerelle domestique par l'intermédiaire de l'OMCI, après avoir reçu la notification. L'invention permet d'assurer une maintenance et une gestion appropriées d'un dispositif terminal de passerelle domestique dans le système GPON au moyen de l'interface de gestion d'OMCI, et présente une bonne efficacité en temps réel. Par rapport aux solutions actuelles de gestion à distance, l'invention ne requiert pas la configuration d'un serveur d'autoconfiguration (ACS), permet en outre de résuire le degré de complexité ainsi que le coût d'exploitation et de maintenance d'un système de gestion de réseau.
PCT/CN2011/071613 2010-11-29 2011-03-08 Procédé et système pour gérer des paramètres liés à une passerelle domestique dans un système de réseau optique passif gigabit (gpon) WO2012071825A1 (fr)

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