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Optical network unit (ONU) activating method and system in gigabit passive optical network (GPON) system

A technology of ONU-ID and activation process, which is applied to the selection device, electrical components, and selection device of the multiplexing system, which can solve the problems of illegal ONU occupation and eavesdropping of uplink authentication information, and achieve the purpose of preventing eavesdropping and counterfeiting, guaranteeing safety effect

Active Publication Date: 2011-05-04
ZTE CORP
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  • Claims
  • Application Information

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Problems solved by technology

[0013] In view of this, the main purpose of the present invention is to provide an ONU activation method and system in a GPON system, which is used to solve the technical problems of eavesdropping on upstream authentication information and illegal ONUs registered maliciously occupying GPON system resources during the ONU activation process

Method used

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  • Optical network unit (ONU) activating method and system in gigabit passive optical network (GPON) system
  • Optical network unit (ONU) activating method and system in gigabit passive optical network (GPON) system
  • Optical network unit (ONU) activating method and system in gigabit passive optical network (GPON) system

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Embodiment 1

[0055] Embodiment 1: ONU activation process for centralized sending of authentication information

[0056] In this embodiment, during the activation process of the ONU device, the authentication information of the ONU is sent intensively, such as figure 1 As shown, the key steps include:

[0057] Step 101: OLT sends a device authentication request to ONU;

[0058] Step 102: ONU sends equipment identification (comprising serial number and RegID) and encrypted user identification to OLT;

[0059] Step 103: The OLT authenticates the device ID sent by the ONU and the encrypted user ID. If the authentication is successful, proceed to step 104. Otherwise, terminate the ONU activation process and stop further interaction with the ONU.

[0060] In order to realize the authentication of the equipment identification and the encrypted user identification, the present invention adds two modules in the OLT, which are respectively an equipment identification authentication unit for perfor...

Embodiment 2

[0071] Embodiment 2: ONU Activation Process for Distributed Sending of Authentication Information

[0072] In this embodiment, the authentication information of the ONU is dispersedly sent during the ONU activation process, such as image 3 As shown, the key steps include:

[0073] Step 301: OLT sends a device authentication request;

[0074] Step 302: the ONU sends the device identification to the OLT, and the device identification is a serial number or a RegID;

[0075] Step 303: OLT invokes the device identification authentication unit to judge whether the device identification (serial number or RegID) is legal, and if it is legal, then enters step 304; otherwise, terminate the ONU activation process and stop further interaction with the ONU;

[0076] Step 304: OLT distributes ONU-ID to this ONU according to legal ONU equipment identification (serial number or RegID);

[0077] Step 305: the OLT sends a ranging request to the ONU to perform ranging;

[0078] Step 306: th...

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Abstract

The invention discloses an optical network unit (ONU) activating method and system in a gigabit passive optical network (GPON) system, aiming at solving the technical problems that uplink authentication information is wiretapped and the resource of the GPON system is occupied by a maliciously-registered illegal ONU when the ONU is activated. In order to guarantee the authenticating security of ONU equipment, the invention previously distributes a user identifier and a user secret key for an optical line terminal (OLT) and the ONU, wherein the OLT locally memorizes the corresponding relationship among an equipment identifier, the user identifier and the user secret key; the ONU offers the equipment identifier and the encrypted user identifier to the OLT when the ONU is activated; and the OLT obtains the user secret key and the user identifier which correspond to the ONU and are locally memorized by the equipment identifier to authenticate the ONU equipment for the encrypted user identifier. The invention can prevent the resource of the GPON system from being occupied and consumed when an illegal ONU is activated, and can prevent the authentication process of the ONU from being wiretapped and counterfeited by a malicious user, thereby guaranteeing the authenticating security of the ONU equipment.

Description

technical field [0001] The present invention relates to the field of GPON (Gigabit Passive Optical Network, gigabit passive optical network), and more specifically, relates to an ONU activation method and system in a GPON system. Background technique [0002] GPON system is generally composed of OLT (Optical Line Terminal, Optical Line Terminal), ONU (Optical Network Unit, Optical Network Unit) and ODN (Optical Distribution Network, Optical Distribution Network), ODN is a point-to-multipoint structure, and an OLT is connected through ODN Multiple ONUs. [0003] In the GPON system, in order to prevent illegal ONUs from accessing the OLT, generally the OLT needs to authenticate the ONU. The authentication of the ONU by the OLT is implemented based on the SN (Serial Number, serial number) or RegID (Registration ID, registration identity) of the ONU. The authentication of the ONU by the OLT is carried out at the later stage of the ONU activation process. The ONU activation pro...

Claims

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Application Information

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IPC IPC(8): H04Q11/00
Inventor 袁立权张德智张伟良
Owner ZTE CORP
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