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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

US5870589A Method for enhanced broadcast and unknown server operation 失效
标题翻译：增强广播和未知服务器操作的方法
公开(公告)号：US5870589A
公开(公告)日：1999-02-09
申请号：US899024
申请日：1997-07-23
申请人： Cedell Adam Alexander, Jr. , John Kevin Frick , Matthew Blaze Squire , Edward Joel Rovner
发明人： Cedell Adam Alexander, Jr. , John Kevin Frick , Matthew Blaze Squire , Edward Joel Rovner
IPC分类号： G06F9/44 , G06F13/14
CPC分类号： H04L41/145 , H04L43/16 , H04L61/106 , H04L61/6022 , H04L61/604 , H04L12/5601
摘要： Provided are a method and system for achieving enhanced performance in communications involving one or more emulated networks overlaid onto at least one base network, where the emulation is performed by one or more network emulation servers-broadcast and unknown servers. The objects of the method and system are achieved via the following. Monitoring addresses of data transiting the one or more network emulation servers-broadcast and unknown servers where such monitored addresses are indicative of one or more functions provided by the one or more emulated networks. Tracking the monitored addresses. Comparing the tracked addresses, indicative of on or more functions provided by the one more emulated networks, with one or more prespecified thresholds indicative of monopolization of resources of the at least one emulated network. And, taking corrective action when the aforementioned comparing of addresses indicates that one or more entities associated with the tracked addresses are monopolizing resources of the at least one emulated network such that communications involving the at least one emulated network are enhanced.
摘要翻译：提供了一种用于在涉及覆盖在至少一个基本网络上的一个或多个仿真网络的通信中实现增强的性能的方法和系统，其中仿真由一个或多个网络仿真服务器（广播和未知服务器）执行。方法和系统的对象通过以下方式实现。监视一个或多个网络仿真服务器的数据的地址 - 广播和未知服务器，其中这些监视的地址指示由一个或多个仿真网络提供的一个或多个功能。跟踪监控的地址。比较跟踪地址，指示由一个更多仿真网络提供的多个功能的一个或多个预定阈值，其指示所述至少一个仿真网络的资源的垄断。并且，当前述的地址比较指示与所跟踪的地址相关联的一个或多个实体是所述至少一个仿真网络的垄断资源时，采取纠正措施，使得涉及所述至少一个仿真网络的通信被增强。

4. 发明授权

US06324163B1 LAN emulation service delay of multicast tree generation during congestion 失效
标题翻译：拥塞期间组播树生成的局域网仿真服务延迟
公开(公告)号：US06324163B1
公开(公告)日：2001-11-27
申请号：US08977641
申请日：1997-11-24
申请人： Cedell Adam Alexander, Jr. , Jim P. Ervin , Edward Joel Rovner , Matthew Blaze Squire , Mark Alan Tippens
发明人： Cedell Adam Alexander, Jr. , Jim P. Ervin , Edward Joel Rovner , Matthew Blaze Squire , Mark Alan Tippens
IPC分类号： H04L1228
CPC分类号： H04Q11/0478 , H04L2012/5617 , H04L2012/563 , H04L2012/5632
摘要： A method of alleviating network congestion in an emulated Local Area Network (ELAN) within an Asynchronous Transfer Mode (ATM) network is implemented. The method mitigates network congestion by distributing the connection times of Local Area Network (LAN) Emulation Client (LEC) to an ELAN over random periods of time. When a LAN Emulation Server (LES) or Broadcast and Unknown Server (BUS) attempts to build point-to-multipoint connections to the LEC, it issues control messages to network switches. If the messages are dropped or rejected the LES or BUS recognizes the network is in a congested state and randomly retries to attempt connection.
摘要翻译：实现了在异步传输模式（ATM）网络中的模拟局域网（ELAN）中减轻网络拥塞的方法。该方法通过随机时间将局域网（LAN）仿真客户端（LEC）的连接时间分配给ELAN来减轻网络拥塞。当LAN仿真服务器（LES）或广播和未知服务器（BUS）尝试构建到LEC的点对多点连接时，它向网络交换机发出控制消息。如果消息丢失或拒绝，则LES或BUS识别网络处于拥塞状态，随机重试尝试连接。

5. 发明授权

US5949753A Redundant internet protocol gateways using local area network emulation 失效
标题翻译：冗余互联网协议网关使用局域网仿真
公开(公告)号：US5949753A
公开(公告)日：1999-09-07
申请号：US826864
申请日：1997-04-11
申请人： Cedell Adam Alexander, Jr. , John Lloyd , Matthew Blaze Squire
发明人： Cedell Adam Alexander, Jr. , John Lloyd , Matthew Blaze Squire
IPC分类号： H04Q3/00 , H04L12/46 , H04L12/56 , H04Q11/04 , H04J1/06 , H04J3/16
CPC分类号： H04Q11/0478 , H04L2012/5617 , H04L2012/5627 , H04L2012/5667
摘要： An ELAN having redundant default gateways is attached to an asynchronous transfer mode (ATM) communications network. The ELAN's redundant default gateways are comprised of a first and second routers. The first router is associated with a primary default gateway and the second router is associated with a backup default gateway. Both the primary and backup default gateways are connected to the ELAN and both the primary and backup default gateways are configured with a default gateway IP address and associated MAC address. Initially, the primary default gateway registers the default gateway MAC address, thereby becoming the active default gateway. While the primary default gateway is active, the backup default gateway continually attempts to register the default gateway MAC address. When the primary default gateway fails, the backup default gateway will be able to successfully register the default gateway MAC address and take over the responsibilities of the primary default gateway and become the active default gateway.
摘要翻译：具有冗余默认网关的ELAN被附加到异步传输模式（ATM）通信网络。 ELAN的冗余默认网关由第一和第二路由器组成。第一个路由器与主要默认网关相关联，第二个路由器与备用默认网关相关联。主要和备份默认网关都连接到ELAN，主要和备份默认网关都配置了默认网关IP地址和关联的MAC地址。最初，主默认网关注册默认网关MAC地址，从而成为活动默认网关。当主要默认网关处于活动状态时，备份默认网关将不断尝试注册默认网关MAC地址。当主要默认网关发生故障时，备份默认网关将能够成功注册默认网关MAC地址，并接管主要默认网关的职责并成为活动默认网关。

6. 发明授权

US06178171B1 Route switching mechanisms for source-routed ATM networks 失效
标题翻译：源路由ATM网络的路由切换机制
公开(公告)号：US06178171B1
公开(公告)日：2001-01-23
申请号：US08977459
申请日：1997-11-24
申请人： Cedell Adam Alexander, Jr. , Brahmanand Gorti , Matthew Blaze Squire
发明人： Cedell Adam Alexander, Jr. , Brahmanand Gorti , Matthew Blaze Squire
IPC分类号： H04L1228
CPC分类号： H04L29/12018 , H04L12/4608 , H04L29/12009 , H04L45/04 , H04L45/10 , H04L45/26 , H04L45/34 , H04L61/10
摘要： A method is implemented to enable networks employing source-route bridging to participate in route switched, Asynchronous Transfer Mode (ATM), networks. Such source-routed networks, for example, Token-Ring LANs, incorporate an end-to-end route description in the data packets transmitted by the source station. The end-to-end route description is contained in a Route Information Field (RIF). The method implemented herein associates an RIF with the ATM address corresponding to a destination station. This permits the source-route bridged network to exploit the efficiencies of layer-2 connections and the high-speed switching characteristics of the ATM network.
摘要翻译：实现一种采用源路由桥接的网络参与路由交换，异步传输模式（ATM），网络的方法。这样的源路由网络，例如，令牌环LAN，在由源站发送的数据分组中包含端到端路由描述。端到端路由描述包含在路由信息字段（RIF）中。这里实现的方法将RIF与对应于目的地站的ATM地址相关联。这允许源路由桥接网络利用二层连接的效率和ATM网络的高速交换特性。

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