-
1.发明授权Method and system for distributing network routing functions to local area network stations 失效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
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。
-
2.发明授权Method and system of automatically configuring a LAN switch portof a multi-port LAN switch based on an attached device type 失效基于附加设备类型自动配置多端口LAN交换机的LAN交换机的方法和系统
公开(公告)号：US5625621A
公开(公告)日：1997-04-29
申请号：US403144
申请日：1995-03-13
申请人： Kenneth J. Christensen , Jack S. Chorpenning , Michael S. Siegel , Thomas E. Stammely , Norman C. Strole , Max R. Povse , Raymond L. Zeisz, Jr.
发明人： Kenneth J. Christensen , Jack S. Chorpenning , Michael S. Siegel , Thomas E. Stammely , Norman C. Strole , Max R. Povse , Raymond L. Zeisz, Jr.
CPC分类号： H04L29/06
摘要： A method of automatically determining an attached device type for a multi-port LAN switch, and configuring the port based on the attached device type is provided. The method comprises setting a LAN switch port to a port mode, and determining, during a first period of time, whether an attached device is attempting to insert at the LAN switch port. If the attached device is attempting to insert during this first period of time, the method continues by configuring the LAN switch port in the port mode. If the attached device is not attempting to insert during the first period of time, the method continue by setting the LAN switch port in an adapter mode, transmitting a test frame to the attached device, and then determining, during a second period of time, whether a response frame is received from the attached device. If a response frame is received during the second period of time, the method further includes configuring the LAN switch port in the adapter mode.
摘要翻译： 提供了一种自动确定多端口LAN交换机的连接设备类型以及基于所连接设备类型配置端口的方法。 该方法包括将LAN交换机端口设置为端口模式，以及在第一时间段期间确定连接的设备是否正试图插入到LAN交换机端口。 如果连接的设备在第一个时间段内尝试插入，则该方法将通过在端口模式下配置LAN交换机端口来继续。 如果连接的设备在第一时间段期间未尝试插入，则该方法通过将LAN交换机端口设置为适配器模式来继续，将测试帧发送到所连接的设备，然后在第二时间段期间， 是否从连接的设备接收到响应帧。 如果在第二时段期间接收到响应帧，则该方法还包括在适配器模式中配置LAN交换机端口。
-
3.发明授权System for selectively compressing data transferred in network in response to produced first output when network utilization exceeds first threshold and data length over limit 失效用于当网络利用率超过第一阈值和数据长度超过限制时，响应于产生的第一输出来选择性地压缩在网络中传送的数据的系统
公开(公告)号：US5555377A
公开(公告)日：1996-09-10
申请号：US168613
申请日：1993-12-20
摘要： A data communications system including a network and a number of data communication stations attached to the network wherein each of the stations includes a processor, a memory, a bus, and a communications adaptor for operatively connecting the processor and memory to the network, the communications adaptor including a means for monitoring network activity on a real time basis and enabling or disabling data compression when network activity exceeds a predetermined threshold.
摘要翻译： 一种数据通信系统，包括连接到网络的网络和多个数据通信站，其中每个站包括处理器，存储器，总线和用于将处理器和存储器可操作地连接到网络的通信适配器，通信 适配器包括用于在网络活动超过预定阈值时实时监视网络活动并启用或禁用数据压缩的装置。
-
公开(公告)号：US20090165406A1
公开(公告)日：2009-07-02
申请号：US12344936
申请日：2008-12-29
IPC分类号： E06B1/70
摘要： A sill corner for use in a sill assembly supported on a base surface, the sill assembly comprising a vertical jamb and a lineal base member. The sill corner comprises a vertical component with a top surface adapted to receive the vertical jamb and a bottom surface adapted to abut the base surface. A horizontal component extends transversely from the vertical component and the horizontal and the vertical components are a unitary element. The top and bottom surfaces of the vertical component are separated by a height, the height being between about 1.00 and about 3.00 inches.
摘要翻译： 用于在基座表面上支撑的门槛组件的门槛角，所述门槛组件包括垂直边框和直线基座构件。 门槛角包括垂直部件，顶部表面适于接收垂直侧柱，底面适于邻接基面。 水平分量从垂直分量横向延伸，水平分量和垂直分量是一个单一元素。 垂直部件的顶部和底部表面被分开一个高度，高度在约1.00和约3.00英寸之间。
-
公开(公告)号：US06278695B1
公开(公告)日：2001-08-21
申请号：US08871164
申请日：1997-06-09
申请人： Kenneth J. Christensen , Frances E. Noel , Rudolf E. Rehquate , Thomas Stammely , Jerry Dagher , Beymer Bevill, Jr.
发明人： Kenneth J. Christensen , Frances E. Noel , Rudolf E. Rehquate , Thomas Stammely , Jerry Dagher , Beymer Bevill, Jr.
IPC分类号： H04L1228
摘要： A multi-port LAN switch is provided that enables attached network devices to both communicate directly and to insert into a token-ring network through an attached concentrator. Each port of the multi-port LAN switch has a first transformer, a second transformer, and a switching system. The first transformer has a first winding connected to a first connection of the port. The second transformer has a first winding connected to a second connection of the port. The switching system switches to a port mode or an adapter mode as a function of a mode signal transmitted to the port In the adapter mode, the switching system connects a second winding of the first transformer to a transmitter circuit in the port, and its connects a second winding of the second transformer to a receiver circuit in the port. In the port mode, the switching system connects the second winding of the first transformer to the receiver circuit in the port, and it connects the second winding of the second transformer to the transmitter circuit in the port. Each port of the multi-port LAN switch further includes a DC voltage source that is switchably connected to the first connection of the port through a first switch. Each port further includes a second switch that connects the second connection of the port to a DC return-path in a first position, and connects the second connection to the first connection when in a second position.
摘要翻译： 提供了一种多端口LAN交换机，使连接的网络设备能够直接通信，并通过附加的集中器插入令牌环网络。 多端口LAN交换机的每个端口具有第一变压器，第二变压器和开关系统。 第一变压器具有连接到端口的第一连接的第一绕组。 第二变压器具有连接到端口的第二连接的第一绕组。 交换系统根据发送到端口的模式信号切换到端口模式或适配器模式在适配器模式下，开关系统将第一变压器的第二绕组连接到端口中的发送器电路，并且其连接 第二变压器的第二绕组到端口中的接收器电路。 在端口模式下，开关系统将第一变压器的第二绕组连接到端口中的接收器电路，并将第二变压器的第二绕组连接到端口中的发射器电路。 多端口LAN交换机的每个端口还包括直流电压源，其通过第一开关可切换地连接到端口的第一连接。 每个端口还包括第二开关，该第二开关将端口的第二连接连接到第一位置的直流回路，并且当处于第二位置时将第二连接连接到第一连接。
-
公开(公告)号：US5764634A
公开(公告)日：1998-06-09
申请号：US614714
申请日：1996-03-13
CPC分类号： H04L49/351 , H04L49/254
摘要： A LAN switch includes port modules which receive frames from their respective LAN segments and forwards the frames simultaneously to all output ports and to a port look-up function which determines the output port to which the frames should be forwarded. If the port look-up function identifies the output port, frame transmission is halted at all ports except the identified port. By performing the forwarding function and port look-up function simultaneously, a zero latency switch is provided.
摘要翻译： LAN交换机包括端口模块，其接收来自其各自LAN段的帧并将帧同时转发到所有输出端口，以及端口查找功能，其确定帧应转发到的输出端口。 如果端口查找功能识别输出端口，则除了所识别的端口之外，所有端口都停止帧传输。 通过同时执行转发功能和端口查找功能，提供零延迟切换。
-
公开(公告)号：US5680397A
公开(公告)日：1997-10-21
申请号：US402740
申请日：1995-03-13
申请人： Kenneth J. Christensen , Francis E. Noel , Rudolf E. Rehquate , Thomas Stammely , Jerry Dagher , Beymer Bevill, Jr.
发明人： Kenneth J. Christensen , Francis E. Noel , Rudolf E. Rehquate , Thomas Stammely , Jerry Dagher , Beymer Bevill, Jr.
摘要： A multi-port LAN switch is provided that enables attached network devices to both communicate directly and to insert into a token-ring network through an attached concentrator. Each port of the multi-port LAN switch has a first transformer, a second transformer, and a switching system. The first transformer has a first winding connected to a first connection of the port. The second transformer has a first winding connected to a second connection of the port. The switching system switches to a port mode or an adapter mode as a function of a mode signal transmitted to the port. In the adapter mode, the switching system connects a second winding of the first transformer to a transmitter circuit in the port, and its connects a second winding of the second transformer to a receiver circuit in the port. In the port mode, the switching system connects the second winding of the first transformer to the receiver circuit in the port, and it connects the second winding of the second transformer to the transmitter circuit in the port. Each port of the multi-port LAN switch further includes a DC voltage source that is switchably connected to the first connection of the port through a first switch. Each port further includes a second switch that connects the second connection of the port to a DC return-path in a first position, and connects the second connection to the first connection when in a second position.
摘要翻译： 提供了一种多端口LAN交换机，使连接的网络设备能够直接通信，并通过附加的集中器插入令牌环网络。 多端口LAN交换机的每个端口具有第一变压器，第二变压器和开关系统。 第一变压器具有连接到端口的第一连接的第一绕组。 第二变压器具有连接到端口的第二连接的第一绕组。 交换系统根据发送到端口的模式信号切换到端口模式或适配器模式。 在适配器模式中，开关系统将第一变压器的第二绕组连接到端口中的发射器电路，并且将第二变压器的第二绕组连接到端口中的接收器电路。 在端口模式下，开关系统将第一变压器的第二绕组连接到端口中的接收器电路，并将第二变压器的第二绕组连接到端口中的发射器电路。 多端口LAN交换机的每个端口还包括直流电压源，其通过第一开关可切换地连接到端口的第一连接。 每个端口还包括第二开关，该第二开关将端口的第二连接连接到第一位置的直流回路，并且当处于第二位置时将第二连接连接到第一连接。
-
8.发明授权Adapting switch port and work station communication adapters to data frame types with disparate formats and data rates 失效将交换机端口和工作站通信适配器适配到具有不同格式和数据速率的数据帧类型
公开(公告)号：US5617419A
公开(公告)日：1997-04-01
申请号：US309522
申请日：1994-09-20
CPC分类号： H04L49/3081 , H04L29/06 , H04L49/30 , H04Q11/0478 , H04L2012/5652 , H04L69/324
摘要： This invention relates to "clear pipe" communication networks meaning the nodes and links handle a variety of data frame types depending on their communication protocols such as Token Ring, Ethernet, FDDI or ATM. More particularly, this invention relates to node/link interface adapters at nodes which include switching nodes and end nodes. The adapters identify data frame type and adapt the node/link adapter operative elements to handle the various types of data frames as they travel through the network.The invention identifies the frame type at the source, flags the frame type to the nodes by use of unique SDEL (start delimiter) symbols or codes, uses the SDEL codes as received with the frame at each node to find the destination address in the frame and to adjust the transmission rate for the frame. The transmission rate is adjusted by inserting null non-data symbols in the frame to effectively slow the data rate to the data rate capacity of the protocol.
摘要翻译： 本发明涉及“清除管道”通信网络，这意味着节点和链路根据其通信协议（例如令牌环，以太网，FDDI或ATM）来处理各种数据帧类型。 更具体地，本发明涉及包括交换节点和终端节点的节点处的节点/链路接口适配器。 适配器识别数据帧类型，并使节点/链路适配器操作元件适应处理各种类型的数据帧，因为它们穿过网络。 本发明通过使用唯一的SDEL（起始分隔符）符号或代码将帧类型标识到节点，使用与每个节点处的帧接收的SDEL码来查找帧中的目的地址 并调整帧的传输速率。 通过在帧中插入空的非数据符号来有效地将数据速率降低到协议的数据速率容量来调整传输速率。
-
9.发明授权Apparatus and method for determining operational mode for a station entering a network 失效用于确定进入网络的站的操作模式的装置和方法
公开(公告)号：US5561666A
公开(公告)日：1996-10-01
申请号：US399267
申请日：1995-03-06
申请人： Kenneth J. Christensen , Jack S. Chorpenning , Michael S. Siegel , Thomas E. Stammely , Norman C. Strole , Kenneth T. Wilson , Raymond L. Zeisz, Jr.
发明人： Kenneth J. Christensen , Jack S. Chorpenning , Michael S. Siegel , Thomas E. Stammely , Norman C. Strole , Kenneth T. Wilson , Raymond L. Zeisz, Jr.
IPC分类号： H04L12/433 , H04L5/14 , H04L12/24 , H04L12/28 , H04L12/40 , H04L12/44 , H04L12/46 , H04L29/06 , H04B1/56
CPC分类号： H04L12/40 , H04L12/28 , H04L12/40169 , H04L41/24 , H04L12/417
摘要： A station in a communications network determines the mode (full-duplex or half-duplex) in which it communicates with a concentrator port by establishing a Registration routine between the station and the concentrator port. The station and concentrator port exchange frames which disclose the capabilities of the concentrator port. If the concentrator port has duplex capabilities, the station enters as a duplex station. Otherwise, the station enters in a half-duplex (token ring) mode.
摘要翻译： 在通信网络中的站通过在站和集中器端口之间建立注册例程来确定其与集中器端口通信的模式（全双工或半双工）。 站和集线器端口交换框架，它们公开了集中器端口的功能。 如果集中器端口具有双工功能，则站作为双工站进入。 否则，站进入半双工（令牌环）模式。
-
10.发明授权Method and system in a local area network switch for dynamically changing operating modes 失效局域网交换机中的方法和系统，用于动态改变操作模式
公开(公告)号：US5491687A
公开(公告)日：1996-02-13
申请号：US314111
申请日：1994-09-28
CPC分类号： H04L49/351 , H04L49/251 , H04L49/55
摘要： In a local area network switch, a first mode of operation is selected wherein frames are examined for errors as the frames are passed from a source port to a destination port. The LAN switch calculates an error rate as a function of a percentage of the frames passing through the local area network switch which have errors. In response to the error rate exceeding a high error rate threshold, the operating mode is switched to a second mode wherein the entire frame is buffered and examined for errors before the frame is passed from the source port to the destination port. Thereafter, the operating mode may be returned to the first mode if the error rate falls below a low error rate threshold. The local area network switch may also change operating modes as a function of a trend, which indicates a rate of increase or decrease of the error rate.
摘要翻译： 在局域网交换机中，选择第一操作模式，其中当帧从源端口传送到目的端口时，对帧进行错误检查。 LAN交换机根据具有错误的局域网交换机的帧的百分比计算错误率。 响应于错误率超过高错误率阈值，将操作模式切换到第二模式，其中在帧从源端口传送到目的地端口之前，整个帧被缓冲并检查错误。 此后，如果错误率低于低错误率阈值，则操作模式可以返回到第一模式。 局域网交换机也可以根据趋势改变操作模式，这表示错误率的增加或减少的速率。
-
-
-
-
-
-
-
-
-
搜索结果
14 条记录 (耗时 0.022 秒)
