WO2011094994A1 - Procédé, dispositif et système de commande d'autorisation d'accès à une unité de réseau optique - Google Patents

Procédé, dispositif et système de commande d'autorisation d'accès à une unité de réseau optique Download PDF

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Publication number
WO2011094994A1
WO2011094994A1 PCT/CN2010/074710 CN2010074710W WO2011094994A1 WO 2011094994 A1 WO2011094994 A1 WO 2011094994A1 CN 2010074710 W CN2010074710 W CN 2010074710W WO 2011094994 A1 WO2011094994 A1 WO 2011094994A1
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WIPO (PCT)
Prior art keywords
field
value
routing address
oam frame
optical network
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PCT/CN2010/074710
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English (en)
Chinese (zh)
Inventor
王峰
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中兴通讯股份有限公司
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Publication of WO2011094994A1 publication Critical patent/WO2011094994A1/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
    • H04L41/28—Restricting access to network management systems or functions, e.g. using authorisation function to access network configuration
    • 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
    • H04Q2011/0079—Operation or maintenance aspects

Definitions

  • the present invention relates to an EPON (Ethernet Passive Optical Networks) system, and more particularly to an Optical Network Unit (ONU). Permissions methods, devices, and systems. BACKGROUND At present, the technology and application of FTTx (Fiber To The X) has become a hotspot technology. Passive Optical Networks (PON, Passive Optical Networks) technology has not only become a fixed network operator after nearly 20 years of development. The access layer network transformation (for example, "light into copper retreat") technology development direction, and has begun the network deployment practice.
  • PON Passive Optical Networks
  • FTTB Fiber To The Building
  • a primary object of the present invention is to provide a method, device and system for controlling access to an ONU to solve the above problems.
  • a method for controlling access to an optical network unit including: Setting an extended operation management and maintaining a value of a field in an OAM frame, the field including an operation field for determining an operation mode, a routing address field for setting a routing address, and a mask field for a routing address; and transmitting the set extended OAM frame to the light a network element, such that the optical network unit controls access to the optical network unit based on the value of the field.
  • a method for controlling access to an optical network unit comprising: receiving an extended OAM frame, the extended OAM frame including an operation field, a routing address field, and a mask field of a routing address; Deriving an extended OAM frame; and determining an operation mode according to the operation field, and setting a routing address according to the routing address field and a mask field of the routing address.
  • an apparatus for controlling access to an optical network unit including: a setting module, configured to set a value of a field in an extended OAM frame; the field includes an operation field for determining an operation mode, and setting a route a routing address field of the address and a masking field of the routing address; and a sending module, configured to send the OAM frame that is set by the setting module to the optical network unit, so that the optical network unit controls the location according to the value of the field The access rights of the optical network unit.
  • an apparatus for controlling access to an optical network unit including: a receiving module, configured to receive an extended OAM frame, where the extended OAM frame includes: an operation field, a routing address field, and a masking field of the routing address; a parsing module, configured to parse the extended OAM frame received by the receiving module; and a control module, configured to determine an operation mode according to the operation field parsed by the parsing module, and according to the routing address The mask field of the field and routing address sets the routing address
  • a system for controlling access to an optical network unit including: an optical line terminal, configured to set a value of a field in an extended OAM frame, where the field includes: an operation field, a routing address a mask field of the field and the routing address; transmitting the set OAM frame; and an optical network unit, configured to receive the extended OAM frame sent by the optical line terminal, parse the extended OAM frame, and parse the extended OAM frame.
  • the invention adopts a mask field including an operation field, a routing address field and a routing address in the extended OAM frame, and solves the problem that the interface parameter of the device is manually modified to control access to the ONU, thereby achieving dynamic management of the ONU.
  • the IP address and route are configured to control the access capability of other network segments to the ONU.
  • FIG. 1 is a flowchart of a method for controlling access to an ONU according to Embodiment 1 of the present invention
  • FIG. 2 is a flowchart of another method for controlling access to an ONU according to Embodiment 1 of the present invention
  • FIG. 4 is a flowchart of a method for controlling access to an ONU according to Embodiment 3 of the present invention
  • FIG. 1 is a flowchart of a method for controlling access to an ONU according to Embodiment 1 of the present invention
  • FIG. 2 is a flowchart of another method for controlling access to an ONU according to Embodiment 1 of the present invention
  • FIG. 4 is a flowchart of a method for controlling access to an ONU according to Embodiment 3 of the present invention
  • FIG. 5 is a flowchart of a method for controlling access to an ONU according to Embodiment 4 of the present invention
  • FIG. 6 is a flowchart of a method for controlling access to an ONU according to Embodiment 5 of the present invention
  • FIG. 7 is a block diagram of a device for controlling access to an ONU according to Embodiment 6 of the present invention
  • FIG. 9 is a structural block diagram of a system for controlling access to an ONU according to Embodiment 8 of the present invention.
  • the embodiment of the present invention adopts an operation field for adding a certain operation mode in an extended OAM frame, a routing address field of a routing address, and a masking field of a routing address, which can dynamically configure a management IP address and a route of the ONU, and Control the access of other network segments to the ONU.
  • Embodiment 1 Referring to FIG. 1 , a block diagram of a simple structure of an EPON system according to an embodiment includes an OLT (Optical Line Terminal) 10 and an ONU 20, and an OLT transmits an extended OAM frame to an ONU to manage IPs of the ONU. The address is configured.
  • OLT Optical Line Terminal
  • Table 1 the frame format of the extended OAM provided by this embodiment is as follows: Table 1
  • the Action is the operation field
  • the Route IP is the route address field
  • the Route Mask is the mask field of the route address.
  • These three fields are newly added fields in this embodiment; the remaining fields are configured.
  • the original field in the extended OAM frame of the management IP has the same meaning.
  • the Action field, the Route IP field, and the Route Mask field are preferably placed between the Variable Width field and the MngGW field.
  • the newly added fields in this embodiment are explained as follows: Action Field: Used to determine the type of operation, that is, the purpose of the specific operation, such as: adding or deleting a routing address, etc.; the field occupies one byte;
  • Route IP field This field indicates the routing address to be added or deleted by the ONU. If the field is valid, it can be determined by the value of the above Action field; this field occupies four bytes.
  • Route Mask Field Indicates the mask of the routing address, which is valid at the same time as the Route IP field above, and determines the network segment of the routing address; this field occupies four bytes.
  • the present embodiment provides a method for controlling access to an ONU. Referring to FIG. 2, a flowchart of a method for controlling access to an ONU is provided in the embodiment. The method is implemented on the OLT 10 shown in FIG.
  • the method includes the following steps: Step 4: The OLT 10 sets the value of the field in the OAM (Operations Administration and Maintenance) frame; wherein the above field includes the Action field, the Route IP field, and the Route Mask field; Step S104: The OLT 10 sends the set extended OAM frame to the ONU 20, so that the ONU 20 controls the access right to the ONU 20 according to the value of the above field.
  • OAM Operations Administration and Maintenance
  • FIG. 3 is a flowchart of another method for controlling access to the ONU according to the embodiment.
  • the method is shown in the ONU 20 shown in FIG.
  • the description of the above implementation includes: Step S202: The ONU 20 receives the extended OAM frame, where the extended OAM frame includes the Action field, the oute IP field, and the Route Mask field; Step S204: The ONU 20 parses the extended OAM frame; Step S206: ONU20 The operation mode is determined according to the parsed Action field, and the routing address is set according to the Route IP field and the Route Mask field.
  • the ONU20 is configured locally according to the value of the field in the OAM frame.
  • the device can access or shut down the device on the specified network segment.
  • the value of the Action field may be four, which are the first value, the second value, the third value, and the fourth value, respectively. See Table 2, which is the meaning of the value of the Action field specified in this implementation: Table 2
  • the ONU 20 After receiving the extended OAM frame, the ONU 20 first determines the value of the Action field, and performs corresponding processing according to the meaning of the value of the Action field in Table 2 to control the access capability of the Action field. For example: When the value of the Action field is 0x00, all management IP addresses of the ONU20 are deleted. When the value of the Action field is 0x01, the management IP address and routing address are configured according to the value of the field in the extended OAM frame; When the value is 0x02, the value of the Route IP field, the Route Mask field, and the MngGW field is added to the corresponding routing address. When the value of the Action field is 0x03, the value of the #Home Route IP field, Route Mask field, and MngGW field is deleted. Routing address. This embodiment provides by adding an Action field, an oute IP field, and an extended OAM frame.
  • the Route Mask field can dynamically implement the configuration and deletion of the management IP address of the ONU by the OLT, and can configure the route of the ONU to dynamically enable or disable the access capability of other network segments to the ONU.
  • the operation is simple and the efficiency is relatively high.
  • Embodiment 2 This embodiment provides a method for controlling access to an ONU. Referring to FIG. 4, it is a flowchart of a method for controlling access to an ONU according to the embodiment. The method is implemented on the OLT 10 and the ONU 20 shown in FIG. For example, the ONU 20 is successfully registered on the OLT 10 and authenticated.
  • the method includes: Step S302:
  • the OLT 10 sets the value of all the fields in the extended OAM frame, and the value of the Action field is set to the second value.
  • the format of the extended OAM frame and the meaning of each field are the same as those in Embodiment 1. More details.
  • the configuration instruction is sent to the OLT 10.
  • the OLT 10 sets all the fields after the Action field in the extended OAM frame according to the configuration information provided by the network management, including: routing address, management IP address, gateway, and in-band VLAN. ; and set the value of the Action field to the second value, that is, 0x01; for example, the settings of the fields in this embodiment are as follows:
  • MngGw 10.10.10. 1 MnglpAddr: 10. 10.10.10
  • the value of the Variable Width field is 26 at this time.
  • the OLT 10 can set the Route IP address to 0.0.0.0 when the configuration management IP is delivered;
  • Step S304 The OLT 10 sends the set extended OAM frame to the ONU 20;
  • S306 After receiving the extended OAM frame, the ONU 20 performs parsing;
  • Step S308 After the ONU 20 parses the extended OAM frame, determines that the value of the Action field is a second value, and determines the value of the field in the extended OAM frame to configure the management IP.
  • the OUN20 can verify the validity of the parameter after parsing the extended OAM frame. If the parameter is valid, the configuration is complete. If not, the configuration ends.
  • the legality of the school- ⁇ parameter can be performed using the methods in the related art, and will not be described in detail here.
  • the ONU by setting the value of the Action field to the second value, the ONU can be reconfigured, and the access rights of other devices are set, and the operation is relatively simple, and the efficiency is high.
  • Embodiment 3 provides a method for controlling access to an ONU.
  • FIG. 5 it is a flowchart of a method for controlling access to an ONU according to the embodiment.
  • the method is described based on Embodiment 2, and includes: Step S402:
  • the OLT 20 sets the value of the Action field in the extended OAM frame to the first value.
  • the format of the extended OAM frame and the meaning of each field in this embodiment are the same as those in Embodiment 1, and are not described in detail herein.
  • the OLT 10 can send a escrow indication to the OLT 10 to indicate that the ONU 20 is managed.
  • the OLT 10 After receiving the escrow indication from the network management system, the OLT 10 sets the value of the Action field in the extended OAM frame to the first value, that is, 0x00. Indicates that OLT 10 wants to disable the management IP address of this ONU20.
  • the OLT 10 may discard all the fields after the Action field in Table 1 of Embodiment 1, or may not process the part of the field. For example, set this part of the field to null, or this part of the field remains unchanged from the previous setting, or set this part of the field to the system default value.
  • Step S404 The OLT 10 sends the set extended OAM frame to the ONU 20;
  • Step S406 After receiving the extended OAM frame, the ONU 20 performs parsing;
  • Step S408 After the ONU 20 parses the extended OAM frame, it determines that the value of the Action field is the first value, and deletes all management IP addresses; that is, all the existing management IP configurations are deleted.
  • Embodiment 4 provides a method for controlling access to an ONU.
  • a flowchart of a method for controlling access to an ONU is provided in the embodiment. The method is implemented on the OLT 10 and the ONU 20 shown in FIG. For example, the method includes the following steps: Step S502: The OLT 10 sets a value of a specified field in the extended OAM frame, and the value of the Action field is set to a third value.
  • the specified field includes an Action field, a Route IP field, a Route Mask field, and an MngGW field.
  • the format of the extended OAM frame and the meaning of each field in this embodiment are the same as those in Embodiment 1, and will not be described in detail herein.
  • the OLT 10 sets the Route IP field, the Route Mask field, and the MngGW field according to the indication of the network management, and sets the value of the Action field to a third value, that is, 0x02.
  • the number of bytes occupied by each field according to Table 1 in Embodiment 1 is known.
  • the value of the Variable Width field is 13.
  • the settings of each field in this embodiment are as follows:
  • Step S504 The OLT 10 sends the set extended OAM frame to the ONU 20; Step S506: After receiving the extended OAM frame, the ONU 20 performs parsing. Step S508: After the ONU 20 parses the extended OAM frame, the ONU 20 determines that the value of the Action field is a third value, according to the values of the Route IP field, the Route Mask field, and the MngGW field. Add the corresponding routing address. The ONU20 resolves that the value of the Action field is the third value, that is, 0x02. The route that needs to be added is detected. 10.10.20.0 is not configured locally, because the route is added to the port 10.10.20.0.
  • the device on the network segment 10.10.20.0 The ONU 20 can be accessed, and the next megabit (MngGW) of the network segment 10.10.20.0 is set to 10.10.10.2. If the ONU 20 detects that the route 10.10.20.0 is configured locally, the ONU 20 directly returns 0x80 to the OLT 10, indicating that the route is added. If the value of the Action field is set to the third value, the new routing address can be added to the ONU, and the access authority of the device corresponding to the routing address to the ONU can be opened, and the operation is relatively simple, and the efficiency is high.
  • Embodiment 5 This embodiment provides a method for controlling access to an ONU. Referring to FIG.
  • Step S602 The OLT 10 sets a value of a specified field in the extended OAM frame, and the value of the Action field is set to a fourth value.
  • the specified field includes an Action field, a Route IP field, a Route Mask field, and an MngGW field.
  • the format of the extended OAM frame and the meaning of each field in this embodiment are the same as those in Embodiment 1, and will not be described in detail herein.
  • the OLT10 sets the Route IP field, Route Mask field, and MngGW field according to the NMS indication, and sets the value of the Action field to the fourth value. , that is, 0x03; according to the number of bytes occupied by each field shown in Table 1 in Embodiment 1, at this time, Variable The value of the Width field is 13.
  • the settings of each field in this embodiment are as follows: Action: 0x03 Route IP: 10.10.30.0 Route Mask: 255.255.255.0
  • Step S604 The OLT 10 sends the set extended OAM frame to the ONU 20; Step S606: After receiving the extended OAM frame, the ONU 20 performs parsing; Step S608: After the ONU 20 parses the extended OAM frame, it passes The determination determines that the value of the Action field is the fourth value, and deletes the corresponding routing address according to the values of the Route IP field, the Route Mask field, and the MngGW field.
  • the ONU 20 of this embodiment finds that the value of the Action field is the fourth value, that is, 0x03, and the route 10.10.30.0 that needs to be deleted is locally configured. Therefore, the route of 10.10.30.0 is deleted.
  • Embodiment 6 This embodiment provides a device for controlling access to an optical network unit. Referring to FIG. 1
  • the device includes: a setting module 702. Setting the value of the field in the extended OAM frame; wherein the field in the extended OAM frame includes an operation field for determining an operation mode, and setting a route The routing address field of the address and the masking field of the routing address; the sending module 704, configured to send the extended OAM frame that is set by the setting module 702 to the optical network unit, so that the optical network unit controls the pair according to the value of the foregoing field. Its own access rights.
  • the format of the extended OAM frame and the meaning of each field in this embodiment are the same as those in Embodiment 1, and will not be described in detail herein.
  • the setting module 702 includes at least one of the following units: a first setting unit, configured to set a value of an operation field in the extended OAM frame to a first value, where the first value indicates that the management IP address of the optical network unit is disabled; a setting unit, configured to set a value of all fields in the extended OAM frame, and the value of the operation field is set to a second value, where the second value indicates a management IP address and a routing address of the configured optical network unit; and a third setting unit, configured to set Extending the value of the specified field in the OAM frame; the specified field includes an operation field, a routing address field, and a mask field of the routing address, and a gateway field for managing the IP, and the value of the operation field is set to a third value, and the third value is expressed as The optical network unit adds a routing address; a fourth setting unit, configured to set a value of a specified field in the extended OAM frame; the specified field includes a mask field of the operation field, a routing address
  • the device for controlling access to the optical network unit in this embodiment may specifically be an OLT.
  • OLT by adding an operation field, a routing address field, and a mask field of a routing address in an extended OAM frame, dynamic addition and deletion of the management IP of the ONU can be implemented, and access to the ONU of other network segments can also be implemented. And off, in the existing mechanism, the OLT's remote management IP configuration function for the ONU becomes more flexible and practical.
  • Embodiment 7 This embodiment provides a device for controlling access to an optical network unit. Referring to FIG. 9 , it is a structural block diagram of a device for controlling access to an optical network unit according to the embodiment.
  • the device includes: a receiving module 801.
  • the extended OAM frame includes a mask field of an operation field, a routing address field, and a routing address;
  • the parsing module 802 is configured to parse the extended OAM frame received by the receiving module 801.
  • the control module 803 is configured to determine an operation mode according to the operation field parsed by the parsing module 802, and set a routing address according to the routing address field and the mask field of the routing address.
  • the format of the extended OAM frame and the meaning of each field in this embodiment are the same as those in Embodiment 1, and will not be described in detail herein.
  • the control module 803 includes: a determining unit 8031, configured to determine a value of an operation field in an extended OAM frame parsed by the parsing module 802.
  • the first control unit 8032 is configured to: when the determining unit 8031 determines that the value of the operation field is the first value When the value is ⁇ , "all the management IP addresses of the optical network unit are deleted; the second control unit 8033 is configured to: when the determining unit 8031 determines that the value of the operation field is the second value, the value configuration management of the field in the # & extended OAM frame.
  • the third control unit 8034 is configured to add, according to the routing address field, the mask field of the routing address, and the value of the gateway field of the management IP, when the determining unit 8031 determines that the value of the operation field is the third value.
  • the fourth control unit 8035 is configured to: when the determining unit 8031 determines that the value of the operation field is the fourth value, delete the corresponding value according to the routing address field, the mask field of the routing address, and the value of the gateway field of the management IP
  • the device that controls the access rights of the optical network unit in this embodiment may specifically be an ONU.
  • This embodiment adds an operation in the extended OAM frame. Segments, routing address fields, and masking fields of routing addresses can dynamically add and delete management IPs of ONUs, and can also enable other network segments to open and close ONUs. In the existing mechanism, The OLT configures the remote management IP of the ONU to be more flexible and practical.
  • Embodiment 8 This embodiment provides a system for controlling access to an optical network unit.
  • a block diagram of a system for network element permissions comprising: The optical line terminal 901 is configured to set a value of a field in the extended OAM frame, where the field includes an operation field, a routing address field, and a mask field of the routing address; and an extended OAM frame that sends the setting completion; the optical network unit 902 is configured to receive The extended OAM frame sent by the optical line terminal 901 parses the extended OAM frame, determines an operation mode according to the parsed operation field, and sets a routing address according to the routing address field and the mask field of the routing address.
  • the format of the extended OAM frame and the meaning of each field in this embodiment are the same as those in Embodiment 1, and will not be described in detail herein.
  • dynamic addition and deletion of the management IP of the ONU can be implemented, and access to the ONU of other network segments can also be implemented.
  • the OLT's remote management IP configuration function for the ONU becomes more flexible and practical.
  • the ONUs currently used are divided into two categories. The first type only supports broadband services or narrowband services (voice services), and the second type supports both broadband services to support narrowband services. The second type of ONUs has two boards, one is broadband.
  • the technical solution provided by the foregoing embodiment may be directly used; if the ONU is of the second type, an identifier bit may be set in the extended OAM frame to indicate which of the ONUs
  • the service is configured, for example, the identifier is set to 1, indicating that the extended OAM frame is used for configuration management of the broadband board; and the location 2 is indicated, indicating that the extended OAM frame is used for configuration management of the narrowband board.
  • the technical solution provided by the above embodiments can be used for the technical requirements of China Telecom EPON equipment.
  • the configuration of the MDU type ONU in V2.1 can also be used to configure the ONU of the SFU type.
  • the above embodiment mainly uses the extended OAM of the static management IP of the MDU type ONU as an example.
  • the VOIP required by the SFU type ONU is described.
  • the configuration of the global parameters can be fully referred to the above embodiment. From the above description, it can be seen that the foregoing embodiments of the present invention achieve the following technical effects:
  • the management IP address of the ONU can be dynamically controlled, and can be
  • the ONU routes are configured to dynamically enable or disable access to ONUs on other network segments.
  • modules or steps 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 computing devices, optionally, they may be implemented by program code executable by the computing device, such that They may be stored in a storage device by a computing device, and in some cases, the steps shown or described may be performed in an order different than that herein, or separately fabricated into individual integrated circuit modules. Alternatively, multiple modules or steps of them can be implemented as a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

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Abstract

La présente invention porte sur un procédé, sur un dispositif et sur un système de contrôle d'autorisation d'accès à une unité de réseau optique (ONU). Le procédé comprend les opérations suivantes : le réglage des valeurs des champs dans une trame d'exploitation, d'administration et de maintenance (OAM) étendue, les champs comprenant un champ d'exploitation pour déterminer un mode d'exploitation, un champ d'adresse de routage pour régler une adresse de routage et un champ de masque de l'adresse de routage ; l'envoi de la trame OAM étendue qui a été réglée à l'ONU, de telle manière que l'ONU contrôle l'autorisation d'accès à l'ONU selon les valeurs des champs. La présente invention adopte la trame OAM étendue qui comprend le champ d'exploitation, le champ d'adresse de routage et le champ de masque de l'adresse de routage, et peut commander la capacité d'autres segments à accéder à l'ONU.
PCT/CN2010/074710 2010-02-08 2010-06-29 Procédé, dispositif et système de commande d'autorisation d'accès à une unité de réseau optique WO2011094994A1 (fr)

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