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SOFTWARE UPGRADING METHOD AND SYSTEM FOR OPTICAL NODE IN ETHERNET PASSIVE OPTICAL NETWORK
SOFTWARE UPGRADING METHOD AND SYSTEM FOR OPTICAL NODE IN ETHERNET PASSIVE OPTICAL NETWORK
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机译:以太网无源光网络中光节点的软件升级方法和系统
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摘要
A software upgrading method and system for an optical node in an Ethernet passive optical network are provided. Said system includes: a network management system, an Optical Line Terminal (OLT) and Optical Network Units (ONU) connected with the line cards of the OLT. Said method includes: the network management system obtains the information of the ONU connected with each line card of the OLT from the OLT, and provides an interface for a user to choose ONU whose software needs to be upgraded and the related software, and sends the identifier of each ONU and the storage address information of the software chosen by the user to the OLT; according to the identifier of the ONU, the OLT sends an upgrading instruction to the corresponding ONU in the unicast Logic Link Identification (LLID) mode; after the disassembly processing is performed for the software that is downloaded according to the storage address information, the packets is sent down in the broadcast LLID mode; the ONU that received the upgrading instruction receives all of the packets, then performs the flow of the software upgrading. Compared with the prior art, the present invention improves the network management efficiency and facilitates the operations of the user.
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