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    • 1. 发明授权
    • Method for setting up QoS supported bi-directional tunnel and distributing L2VPN membership information for L2VPN using extended LDP
    • 用于建立QoS支持的双向隧道并使用扩展LDP分发L2VPN的L2VPN成员关系信息的方法
    • US07266124B2
    • 2007-09-04
    • US10413177
    • 2003-04-14
    • Mi Hui KimJong Hyup LeeYoo Kyoung Lee
    • Mi Hui KimJong Hyup LeeYoo Kyoung Lee
    • H04L12/56
    • H04L45/502H04L12/4641H04L45/04H04L45/302H04L45/507
    • The present invention presents a method for setting up a QoS (Quality-of-Service) supported bi-directional tunnel and distributing L2VPN (Layer-2 Virtual Private Network) membership information for an L2VPN using an extended LDP (Label Distribution Protocol). In a network providing MPLS based L2VPN service, which includes a plurality of VPN provider edges (PEs), a plurality of VPN customer edges (CEs) connected to the PEs and a VPN DNS (Domain Name Service) server for managing PE information associated with a plurality of VPNs, a PE registers information associated with the VPN DNS server to provide the L2VPN service, and uses the extended LDP for QoS supported bi-directional tunnel setup and the extended LDP for QoS supported L2VPN membership information distribution. A VPN CE needs only a simple Layer-2 connection providing function for the L2VPN service.
    • 本发明提出了一种使用扩展LDP(标签分发协议)来建立QoS(服务质量)支持双向隧道并分发L2VPN(二层虚拟专用网)成员关系信息的方法。 在提供基于MPLS的L2VPN服务的网络中,其包括多个VPN提供商边缘(PE),连接到PE的多个VPN客户边缘(CE)和用于管理与PE相关联的PE信息的VPN DNS(域名服务)服务器 多个VPN,PE注册与VPN DNS服务器相关的信息,提供L2VPN业务,并使用扩展LDP进行QoS支持的双向隧道建立,扩展LDP进行QoS支持的L2VPN会员信息分发。 VPN CE只需要L2VPN服务的简单二层连接提供功能。
    • 6. 发明授权
    • Method of managing forwarding tables of network processors based on address learning in line card
    • 基于线卡地址学习管理网络处理器转发表的方法
    • US07424015B2
    • 2008-09-09
    • US10463036
    • 2003-06-16
    • Myung Hee SonJong Hyup LeeYoung Sun Kim
    • Myung Hee SonJong Hyup LeeYoung Sun Kim
    • H04L12/28H04L12/56
    • H04L49/351H04L49/3009
    • The present invention provides a method of managing forwarding tables of network processors based on address learning in a line card. In this method, a demultiplexing module transmits N Ethernet data frames having the same source address to ports of network processors in sequence. Each of the network processors adds an entry to its address learning table and transmits the received Ethernet data frame to the main processor. The main processor determines whether an entry corresponding to the Ethernet data frame exists in its forwarding table. If the entry exists and the learning process count (LRNG_CNT) flag value is greater than zero, the main processor increases the LRNG_CNT flag value by one. If the entry does not exist, the main processor adds the entry to its forwarding table, increases the LRNG_CNT flag value, and requests creation of the entry in forwarding tables from the network processors.
    • 本发明提供了一种基于线卡中的地址学习来管理网络处理器的转发表的方法。 在这种方法中,解复用模块按顺序向网络处理器的端口发送具有相同源地址的N个以太网数据帧。 每个网络处理器向其地址学习表添加条目,并将接收到的以太网数据帧发送到主处理器。 主处理器确定其转发表中是否存在与以太网数据帧相对应的条目。 如果条目存在并且学习进程计数(LRNG_CNT)标志值大于零,则主处理器将LRNG_CNT标志值增加1。 如果条目不存在,则主处理器将条目添加到其转发表中,增加LRNG_CNT标志值,并请求从网络处理器转发表中创建条目。