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1. 发明授权

US6064675A Short-cut bridging in LAN emulation networks 失效
标题翻译：局域网仿真网络中的短路桥接
公开(公告)号：US6064675A
公开(公告)日：2000-05-16
申请号：US834047
申请日：1997-04-11
申请人： Cedell Adam Alexander, Jr. , Charles Allen Carriker, Jr. , John Kevin Frick , Edward Joel Rovner , Matthew Blaze Squire , Deepak Vig
发明人： Cedell Adam Alexander, Jr. , Charles Allen Carriker, Jr. , John Kevin Frick , Edward Joel Rovner , Matthew Blaze Squire , Deepak Vig
IPC分类号： H04L12/56 , H04Q11/04 , H04L12/28
CPC分类号： H04Q11/0478 , H04L2012/5617 , H04L2012/5618
摘要： An ATM communications network with several ELANs allows steady-state data to be passed between ATM attached devices which bypasses intermediate LECs and bridges. Connected to the ATM communications network is a bridge unit which includes a bridge and associated LECs. Also, an origination ATM attached device and a destination ATM attached device are attached to the ATM communications network via a first by a first ELAN and a second ELAN, respectively. The origination ATM attached device sends a request for an ATM address associated with the destination ATM attached device to the bridge, via the first ELAN. After some processing, the bridge returns the ATM address associated with the destination ATM attached device to the origination ATM attached device. This allows the origination ATM attached device to establish a shortcut VCC with the destination ATM attached device using the ATM address associated with the destination ATM attached device, thereby bypassing intermediate bridges and LECs.
摘要翻译：具有多个ELAN的ATM通信网络允许在旁路中间LEC和桥接器的ATM连接设备之间传递稳态数据。连接到ATM通信网络是一个桥接单元，包括一个桥和相关的LEC。另外，ATM ATM连接装置和目的ATM连接装置分别通过第一ELAN和第二ELAN分别连接到ATM通信网络。始发ATM连接设备通过第一ELAN将与目的ATM连接设备相关联的ATM地址的请求发送到桥。经过一些处理后，桥接器将与目的ATM连接设备相关联的ATM地址返回给始发ATM连接设备。这允许始发的ATM连接设备使用与目的地ATM连接设备相关联的ATM地址与目的地ATM连接设备建立快捷VCC，从而绕过中间网桥和LEC。

2. 发明授权

US06625158B1 Method and system for enhanced communication involving emulated local area networks 失效
标题翻译：涉及仿真局域网的增强通信的方法和系统
公开(公告)号：US06625158B1
公开(公告)日：2003-09-23
申请号：US08903756
申请日：1997-07-31
申请人： Cedell Adam Alexander, Jr. , Charles Allen Carriker, Jr. , Jim Philip Ervin , John Kevin Frick , Matthew Blaze Squire , Deepak Vig
发明人： Cedell Adam Alexander, Jr. , Charles Allen Carriker, Jr. , Jim Philip Ervin , John Kevin Frick , Matthew Blaze Squire , Deepak Vig
IPC分类号： H04L1256
CPC分类号： H04L12/4608 , H04L2012/5617
摘要： Provided are a method and system for achieving enhanced performance in communications between a plurality of emulated networks overlaid onto at least one base network, wherein the communications involve one or more source route bridges. The method and system accomplish their objects via the following. Determining when communication is to occur, through the one or more source route bridges, and between at least two entities where a first of the at least two entities is a member of a first emulated network and where a second of the at least two entities is a member of another of the plurality of emulated networks. Informing the at least one of the at least two entities of one or more addresses consonant with the protocols of the at least one base network wherein the one or more addresses identify one or more base network entities closely correspondent to at least one of the at least two entities. And thereafter utilizing the one or more addresses in communication between the first and second entities such that communications between the first and second entities is established in such a fashion that at least one of the one or more source route bridges is bypassed, thereby ensuring that the processing and delay associated with the at least one bypassed source route bridge is avoided wherein the performance in communications involving the at least two emulated networks is enhanced.
摘要翻译：提供了一种用于实现覆盖在至少一个基本网络上的多个仿真网络之间的通信中的增强的性能的方法和系统，其中所述通信涉及一个或多个源路由桥接器。该方法和系统通过以下方式完成其对象。确定何时发生通信，通过一个或多个源路由桥，以及至少两个实体之间，其中该至少两个实体中的第一个是第一仿真网络的成员，并且其中该至少两个实体中的第二个实体是多个仿真网络中的另一个的成员。通知与所述至少一个基本网络的协议一致的一个或多个地址的所述至少两个实体中的至少一个，其中所述一个或多个地址标识与所述至少一个基站网络中的至少一个紧密对应的一个或多个基本网络实体两个实体。然后利用第一和第二实体之间的通信中的一个或多个地址，使得第一和第二实体之间的通信被建立成使得所述一个或多个源路由桥中的至少一个绕过，从而确保避免了与所述至少一个旁路源路由桥相关联的处理和延迟，其中涉及所述至少两个仿真网络的通信中的性能被增强。

3. 发明授权

US6104870A Method and system for improving communications in data communications networks that provide network emulation 失效
标题翻译：用于改善提供网络仿真的数据通信网络中的通信的方法和系统
公开(公告)号：US6104870A
公开(公告)日：2000-08-15
申请号：US109143
申请日：1998-07-02
申请人： John Kevin Frick , John Edward Dickey , John Lloyd , Deepak Vig , Edward Joel Rovner
发明人： John Kevin Frick , John Edward Dickey , John Lloyd , Deepak Vig , Edward Joel Rovner
IPC分类号： H04L12/28 , H04L12/56 , H04Q11/04 , G06F9/455
CPC分类号： H04Q11/0478 , H04L2012/5617 , H04L2012/5618 , H04L2012/5626 , H04L2012/5667
摘要： A method and system for improving communications in data communications networks which provide network emulation. The method and system accomplish their objects via communications equipment adapted to do the following: implant a number of distributed-redundant gateways in an emulated network; and dynamically assign access to operational distributed-redundant gateways. In one embodiment, the network emulation is an Asynchronous Transfer Mode Emulation Local Area Network (ATM ELAN), and the distributed-redundant gateways operate as default Internet Protocol (IP) gateway utilized by LAN Emulation Clients (LE Clients) of the ATM ELAN. Also in one embodiment, the dynamic assignment of access is done such that the data communications loading associated with the default IP gateway is distributed throughout a data communications network.
摘要翻译：一种用于改善提供网络仿真的数据通信网络中的通信的方法和系统。该方法和系统通过适于执行以下操作的通信设备完成其对象：在仿真网络中注入多个分布式冗余网关; 并动态分配对操作分布式冗余网关的访问。在一个实施例中，网络仿真是异步传输模式仿真局域网（ATM ELAN），并且分布式冗余网关作为ATM ELAN的LAN仿真客户端（LE客户端）利用的默认互联网协议（IP）网关。同样在一个实施例中，进行访问的动态分配，使得与默认IP网关相关联的数据通信负载分布在整个数据通信网络中。

4. 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。

5. 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。

6. 发明授权

US06198747B1 Method and system for enhancing communications efficiency in data communications networks wherein broadcast occurs 失效
标题翻译：提高广播发生的数据通信网络中的通信效率的方法和系统
公开(公告)号：US06198747B1
公开(公告)日：2001-03-06
申请号：US09016736
申请日：1998-01-30
申请人： Brian N. Bingham , Jackie Jackson, Jr. , Rosemary V. Slager , Deepak Vig , Charles A. Carriker , Cedell A. Alexander , John Kevin Frick , Edward J. Rovner , Matthew B. Squire
发明人： Brian N. Bingham , Jackie Jackson, Jr. , Rosemary V. Slager , Deepak Vig , Charles A. Carriker , Cedell A. Alexander , John Kevin Frick , Edward J. Rovner , Matthew B. Squire
IPC分类号： H04L1228
CPC分类号： H04L12/1886 , H04L12/4608
摘要： Provided are a method and system for use within at least one network wherein broadcast occurs. The method and system achieve their objects as follows. In response to reception of a data frame with at least one destination indicator ordinarily requiring broadcast to a first defined group of stations, at least one attribute of the received data frame is examined. In response to the step of examining, the received data frame is transmitted to a defined second group of stations, smaller in number than the first group of stations.
摘要翻译：提供了一种用于在发生广播的至少一个网络内使用的方法和系统。方法和系统实现其对象如下。响应于具有通常要求广播到第一定义的站组的至少一个目的地指示符的数据帧的接收，检查所接收的数据帧的至少一个属性。响应于检查步骤，接收的数据帧被发送到定义的第二组站，数量小于第一组站。

7. 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。

8. 发明授权

US6115385A Method and system for subnetting in a switched IP network 失效
标题翻译：用于在交换式IP网络中进行子网划分的方法和系统
公开(公告)号：US6115385A
公开(公告)日：2000-09-05
申请号：US38872
申请日：1998-03-11
申请人： Deepak Vig
发明人： Deepak Vig
IPC分类号： H04L12/931 , H04L29/12 , H04L12/46
CPC分类号： H04L61/6004 , H04L29/12009 , H04L29/12801 , H04L49/602 , H04L49/201 , H04L49/351
摘要： A large flat IP network is created in a switched layer-2 network by adjusting the subnet masks of hosts such that these hosts can communicate directly with other hosts without the use of an intermediate router. The layer-2 switches are configured with user-selected IP subnets and monitor and analyze multicast packets to learn the mapping between IP subnets and switch ports. The layer-2 switches selectively forward the mulitcast packets based on the learned mappings between IP subnets and ports. After the destination host responds to the forwarded multicast, a direct connection is established between the source and destination hosts using the media access control addresses of both hosts.
摘要翻译：通过调整主机的子网掩码，使得这些主机可以直接与其他主机通信而不使用中间路由器，从而在交换的二层网络中创建一个大型平面IP网络。二层交换机配置用户选择的IP子网，并监控和分析组播数据包，以了解IP子网和交换机端口之间的映射。基于IP子网和端口之间的学习映射，二层交换机选择性地转发多播数据包。目标主机响应转发的组播后，使用两台主机的媒体访问控制地址，在源主机和目标主机之间建立直接连接。

9. 发明授权

US06954459B1 Method for forwarding broadcast packets in a bridged IP network 失效
标题翻译：在桥接IP网络中转发广播数据包的方法
公开(公告)号：US06954459B1
公开(公告)日：2005-10-11
申请号：US09596244
申请日：2000-06-16
申请人： Natarajan Vaidhyanathan , Deepak Vig
发明人： Natarajan Vaidhyanathan , Deepak Vig
IPC分类号： H04L12/24 , H04L12/28 , H04L29/12
CPC分类号： H04L29/12018 , H04L41/0843 , H04L41/0886 , H04L61/10
摘要： A method for automatically generating a network subnet configuration, monitors IP Address Resolution Protocol (ARP) frames on the network and builds and maintains a table which includes a list of learned subnets, the ports or forwarding domain associated with each of the learned subnets and a mask associated with each learned subnet for identifying hosts belonging to the subnet. The from and to IP addresses from intercepted IP ARP frames are examined to determine if the IP addresses belong in any of the learned subnets. If neither IP address belongs to an existing learned subnet a new learned subnet is established. The subnet includes the common prefix bits of both IP addresses, a mask identifying those bits and the port over which the ARP frame was received. If only one IP address belong to a learned subnet, the mask associated with that subnet is modified to include the common prefix bits of both IP addresses and the forwarding domain is adjusted. If the two IP addresses belong to different learned subnets, the two subnets are combined.
摘要翻译：一种用于自动生成网络子网配置的方法，监视网络上的IP地址解析协议（ARP）帧，并建立并维护一个表，其中包含学习子网的列表，与每个学习子网相关联的端口或转发域，以及与每个学习的子网相关联的掩码，用于标识属于该子网的主机。检查来自拦截的IP ARP帧的从IP地址到IP地址，以确定IP地址是否属于任何已学习的子网。如果IP地址都不属于现有学习子网，则建立一个新的学习子网。子网包括两个IP地址的公共前缀位，标识这些位的掩码和接收到ARP帧的端口。如果只有一个IP地址属于学习的子网，则修改与该子网相关联的掩码，以包括两个IP地址的公共前缀位，并调整转发域。如果两个IP地址属于不同的学习子网，则两个子网组合。

10. 发明授权

US06262988B1 Method and system for subnetting in a switched IP network 有权
标题翻译：用于在交换式IP网络中进行子网划分的方法和系统
公开(公告)号：US06262988B1
公开(公告)日：2001-07-17
申请号：US09569682
申请日：2000-05-12
申请人： Deepak Vig
发明人： Deepak Vig
IPC分类号： H04L1256
CPC分类号： H04L61/6004 , H04L29/12009 , H04L29/12801 , H04L49/201 , H04L49/351 , H04L49/602
摘要： A large flat IP network is created in a switched layer-2 network by adjusting the subnet masks of hosts such that these hosts can communicate directly with other hosts without the use of an intermediate router. The layer-2 switches are configured with user-selected IP subnets and monitor and analyze multicast packets to learn the mapping between IP subnets and switch ports. The layer-2 switches selectively forward the mulitcast packets based on the learned mappings between IP subnets and ports. After the destination host responds to the forwarded multicast, a direct connection is established between the source and destination hosts using the media access control addresses of both hosts.
摘要翻译：通过调整主机的子网掩码，使得这些主机可以直接与其他主机通信而不使用中间路由器，从而在交换的二层网络中创建一个大型平面IP网络。二层交换机配置用户选择的IP子网，并监控和分析组播数据包，以了解IP子网和交换机端口之间的映射。基于IP子网和端口之间的学习映射，二层交换机选择性地转发多播数据包。目标主机响应转发的组播后，使用两台主机的媒体访问控制地址，在源主机和目标主机之间建立直接连接。

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