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1. 发明授权

US06282201B1 Method for configuring distributed internet protocol gateways with LAN emulation 有权
标题翻译：使用LAN仿真配置分布式互联网协议网关的方法
公开(公告)号：US06282201B1
公开(公告)日：2001-08-28
申请号：US09587480
申请日：2000-06-05
申请人： Cedell Adam Alexander, Jr. , Jimmy Philip Ervin , John Lloyd , Richard Colbert Matlack, Jr. , Deepak Vig
发明人： Cedell Adam Alexander, Jr. , Jimmy Philip Ervin , John Lloyd , Richard Colbert Matlack, Jr. , Deepak Vig
IPC分类号： H04L1228
CPC分类号： H04L12/4608
摘要： A communication network having a plurality of routers, each connected to host systems by LAN networks and interconnected by a switched network uses a shared or common IP and MAC address in the routers. Host systems on the same subnet use the shared or common IP address as their default gateway address when accessing host systems on another subnet.
摘要翻译：具有多个路由器的通信网络各自通过LAN网络连接到主机系统并且由交换网络互连使用路由器中的共享或公共IP和MAC地址。同一子网上的主机系统在访问另一子网上的主机系统时，使用共享或公用IP地址作为其默认网关地址。

2. 发明授权

US6091732A Method for configuring distributed internet protocol gateways with lan emulation 失效
标题翻译：使用LAN仿真配置分布式互联网协议网关的方法
公开(公告)号：US6091732A
公开(公告)日：2000-07-18
申请号：US975481
申请日：1997-11-20
申请人： Cedell Adam Alexander, Jr. , Jimmy Philip Ervin , John Lloyd , Richard Colbert Matlack, Jr. , Deepak Vig
发明人： Cedell Adam Alexander, Jr. , Jimmy Philip Ervin , John Lloyd , Richard Colbert Matlack, Jr. , Deepak Vig
IPC分类号： H04L12/46 , H04L12/28
CPC分类号： H04L12/4608
摘要： A communication network having a plurality of routers, each connected to a host system by a LAN network and interconnected by a switched network, the common network using a shared or common IP and MAC address in the routers forming a subnet. Host systems on the same subnet use the shared or common IP address as their default gateway address when accessing host systems on another subnet.
摘要翻译：具有多个路由器的通信网络，每个路由器各自通过LAN网络连接到主机系统并且由交换网络互连，所述公共网络在形成子网的路由器中使用共享的或公共的IP和MAC地址。同一子网上的主机系统在访问另一子网上的主机系统时，使用共享或公用IP地址作为其默认网关地址。

3. 发明授权

US06172981B2 Method and system for distributing network routing functions to local area network stations 失效
标题翻译：将网络路由功能分配给局域网站的方法和系统
公开(公告)号：US06172981B2
公开(公告)日：2001-01-09
申请号：US08961114
申请日：1997-10-30
申请人： Norman Eugene Cox , Kenneth J. Christensen , Jim P. Ervin , Richard Colbert Matlack, Jr.
发明人： Norman Eugene Cox , Kenneth J. Christensen , Jim P. Ervin , Richard Colbert Matlack, Jr.
IPC分类号： H04L1228
CPC分类号： H04Q11/0478 , H04L2012/5617 , H04L2012/562 , H04L2012/5667
摘要： A route switching layer is provided to end stations on a local area network (LAN) segment between the network layer protocol stack and the LAN adapter device driver. The route switching layer reads the network layer protocol header in a data frame queued for transmission. If the data frame is destined for a station on a different LAN segment, the route switching layer compares the network layer address with entries stored in a local address table. If a match occurs, the route switching layer inserts the corresponding data link layer address from the table in the data link header that is appended to the data frame. The data frame is then transmitted directly from source to destination end station by a hardware switch. If an address table match does not occur, the source station route switching layer sends a query to a route server device for the data link layer address corresponding to the network layer address of the destination end station. The route server sends a response to the source station route switching layer which then stores the destination address information in the local address table.
摘要翻译：路由交换层被提供给网络层协议栈和LAN适配器设备驱动程序之间的局域网（LAN）段上的终端站。路由交换层读取排队等待发送的数据帧中的网络层协议报头。如果数据帧指定为不同LAN段上的站，则路由交换层将网络层地址与存储在本地地址表中的条目进行比较。如果发生匹配，路由交换层将附加到数据帧的数据链路头中的表中的相应数据链路层地址插入。然后通过硬件交换机直接从源到目的地终端发送数据帧。如果地址表匹配不发生，则源站路由交换层向路由服务器设备发送与目的终端站的网络层地址对应的数据链路层地址的查询。路由服务器向源站路由交换层发送响应，然后将目的地址信息存储在本地地址表中。

4. 发明授权

US06438133B1 Load balancing mechanism for a translational bridge environment 有权
标题翻译：平移桥梁环境的负载平衡机制
公开(公告)号：US06438133B1
公开(公告)日：2002-08-20
申请号：US09149908
申请日：1998-09-09
申请人： Jimmy Philip Ervin , Richard Colbert Matlack, Jr. , Pramod Narottambhai Patel , Deepak Vig
发明人： Jimmy Philip Ervin , Richard Colbert Matlack, Jr. , Pramod Narottambhai Patel , Deepak Vig
IPC分类号： H04L1246
CPC分类号： H04L12/4625 , H04L45/26 , H04L45/34
摘要： Mechanism for use in an internetworking device incorporating a translational bridging function to provide load balancing across multiple instances of the same destination address. Traffic originating with clients in the transparently bridged domain is distributed over multiple communication paths to the multiple instances of the destination address in the source route bridging domain. The internetworking device sends an explorer frame over each interface in the source route bridging domain to discover all parallel paths to the destination address. The internetworking device receives a response from each instance of the destination address over all possible paths. The routing information contained in the responses is used to create entries in a cache in the internetworking device. Load balancing is performed by using the source address of the transparently bridged clients as a key to select a specific path for each such client. Frames originating with different clients in the transparent bridging domain are then distributed over the selected paths to the same destination address.
摘要翻译：在包含平移桥接功能的互联网络设备中使用的机制，用于在相同目的地地址的多个实例上提供负载平衡。通过透明桥接域中的客户端发起的流量通过多个通信路径分发到源路由桥接域中的目的地址的多个实例。互联网络设备在源路由桥接域中的每个接口上发送一个资源管理器帧，以发现到目标地址的所有并行路径。互联网络设备在所有可能的路径上从目的地址的每个实例接收响应。响应中包含的路由信息用于在互联网络设备的缓存中创建条目。通过使用透明桥接客户端的源地址作为密钥来选择每个此类客户端的特定路径来执行负载平衡。然后将透明桥接域中由不同客户端发起的帧分布在所选择的路径上，到相同的目的地址。

5. 发明授权

US5881242A Method and system of parsing frame headers for routing data frames within a computer network 失效
标题翻译：解析帧头的方法和系统，用于在计算机网络内路由数据帧
公开(公告)号：US5881242A
公开(公告)日：1999-03-09
申请号：US780803
申请日：1997-01-09
申请人： Edward H. Ku , James Philip Ervin , Douglas Ray Henderson , Richard Colbert Matlack, Jr. , Jean Huey Wingler
发明人： Edward H. Ku , James Philip Ervin , Douglas Ray Henderson , Richard Colbert Matlack, Jr. , Jean Huey Wingler
IPC分类号： G06F13/00 , H04L12/28 , H04L12/44 , H04L12/46 , H04L12/66
CPC分类号： H04L45/00 , H04L45/745 , H04L69/22
摘要： A method of parsing frame headers for routing data frames within a computer network is disclosed. In accordance with the method and system of the present invention, a data frame is first received from a computer network. A frame header of the data frame is then parsed into multiple test units of identical lengths. A test vector is subsequently assigned to each of the test units, wherein each test vector includes a reference pattern field and an action code pointer field. A number of test blocks are constructed by inserting each of the test vectors into a corresponding slot of various test blocks. Finally, a search tree is constructed by utilizing these various test blocks, and each test block is associated with each other test block via the test vectors contained within.
摘要翻译：公开了一种解析用于在计算机网络内路由数据帧的帧头的方法。根据本发明的方法和系统，首先从计算机网络接收数据帧。然后将数据帧的帧头解析成具有相同长度的多个测试单元。测试向量随后被分配给每个测试单元，其中每个测试向量包括参考模式字段和动作代码指针字段。通过将每个测试向量插入到各个测试块的相应时隙中来构建许多测试块。最后，通过利用这些各种测试块构建搜索树，并且每个测试块通过其中包含的测试向量与彼此测试块相关联。

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