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    • 36. 发明申请
    • Method and apparatus for L3-aware switching in an ethernet passive optical network
    • 以太网无源光网络中L3感知交换的方法和装置
    • US20050243837A1
    • 2005-11-03
    • US11115753
    • 2005-04-26
    • Edward BoydRussell Smith
    • Edward BoydRussell Smith
    • H04L12/28H04L12/56H04Q11/00
    • H04L45/00H04L45/502H04Q11/0066H04Q11/0067H04Q11/0071
    • One embodiment of the present invention provides a system that performs layer 3 (L3) aware switching in an Ethernet passive optical network (EPON) which includes a central node and at least one remote node. During operation, the system maintains a set of mapping information which indicates a correspondence relationship between a logical link identifier of a remote node, a medium access control (MAC) address for a subscriber coupled to the remote node, and an IP address for the subscriber. Upon receiving a packet which contains an IP address, the system selectively attaches a proper logical link identifier to the packet based on the mapping information and the IP address contained in the packet, thereby allowing only one proper remote node to receive the packet.
    • 本发明的一个实施例提供一种在包括中央节点和至少一个远程节点的以太网无源光网络(EPON)中执行层3(L3)感知交换的系统。 在操作期间,系统维护一组映射信息,其指示远程节点的逻辑链路标识符,耦合到远程节点的用户的介质访问控制(MAC)地址和用户的IP地址之间的对应关系 。 在接收到包含IP地址的分组时,系统基于分组中包含的映射信息和IP地址,选择性地将附加适当的逻辑链路标识符附加到分组,从而仅允许一个适当的远程节点接收分组。
    • 37. 发明申请
    • Method and apparatus for remote network management over Ethernet connections
    • 通过以太网连接进行远程网络管理的方法和装置
    • US20050207450A1
    • 2005-09-22
    • US10805088
    • 2004-03-18
    • Hung NguyenEdward Boyd
    • Hung NguyenEdward Boyd
    • H04L12/24H04J3/00
    • H04L41/00
    • One embodiment of the present invention provides a system that performs remote network management over an Ethernet connection between a local node and a remote node, wherein the Ethernet connection uses x-bit/y-bit (xB/yB) encoding. During operation, the system accepts a local Ethernet bit stream containing x-bit words at the local node. The system forms a second bit stream which carries network management information. The system then selectively encodes the x-bit words from the local Ethernet bit stream into y-bit words according to the bits from the second bit stream, thereby forming a third bit stream comprising y-bit words, wherein the third bit stream carries both information from the Ethernet bit stream and information from the second bit stream. The system then transmits the third bit stream on a physical medium from the local node to the remote node.
    • 本发明的一个实施例提供一种通过本地节点和远程节点之间的以太网连接执行远程网络管理的系统,其中以太网连接使用x位/ y位(xB / yB)编码。 在操作期间,系统接收本地节点上包含x位字的本地以太网位流。 系统形成携带网络管理信息的第二比特流。 然后,该系统根据来自第二比特流的比特,将本地以太网比特流中的x比特字选择性地编码为y比特字,从而形成包括y比特字的第三比特流,其中第三比特流携带两者 来自以太网比特流的信息和来自第二比特流的信息。 然后,该系统将物理介质上的第三比特流从本地节点发送到远程节点。