公开(公告)号：US6073178A

公开(公告)日：2000-06-06

申请号：US762709

申请日：1996-12-09

申请人： Thomas K. Wong ,  Swee B. Lim ,  Sanjay R. Radia ,  Panagiotis Tsirigotis ,  Robert J. Goedman ,  Michael W. Patrick

发明人： Thomas K. Wong ,  Swee B. Lim ,  Sanjay R. Radia ,  Panagiotis Tsirigotis ,  Robert J. Goedman ,  Michael W. Patrick

IPC分类号： H04L29/06 ,  H04L29/12 ,  G06F13/00

CPC分类号： H04L29/12216 ,  H04L61/2015 ,  H04L63/0227 ,  H04L63/1466

摘要： A preferred embodiment of the present invention includes a method and apparatus for allocating and using IP addresses in a network of client systems. More specifically, the present invention includes a router which monitors the assignments of IP addresses by a DHCP server. As each IP address is assigned, the router associates the assigned IP address with an trusted identifier which identifies the client system. Subsequently, if the router received a packet directed at the assigned IP address, the router forwards the packet to the client system having an trusted identifier associated with the destination address of the IP packet. Additionally, if the router receives a packet from a client system, it uses the trusted identifier of the client system to find IP addresses associated with the client system. If the source address of the IP packet is not included in the IP addresses associated with the client system, the packet is discarded.

摘要翻译： 本发明的优选实施例包括用于在客户端系统的网络中分配和使用IP地址的方法和装置。 更具体地，本发明包括监视DHCP服务器的IP地址分配的路由器。 当分配每个IP地址时，路由器将分配的IP地址与识别客户端系统的可信标识符相关联。 接下来，如果路由器接收到指向分配的IP地址的分组，则路由器将分组转发到具有与IP分组的目的地地址相关联的信任标识符的客户端系统。 另外，如果路由器从客户端系统接收到数据包，则使用客户端系统的可信标识来查找与客户端系统相关联的IP地址。 如果IP数据包的源地址不包括在与客户端系统相关的IP地址中，则丢弃该数据包。

公开(公告)号：US5922049A

公开(公告)日：1999-07-13

申请号：US762933

申请日：1996-12-09

申请人： Sanjay R. Radia ,  Thomas K. Wong ,  Swee B. Lim ,  Panagiotis Tsirigotis ,  Robert J. Goedman ,  Michael W. Patrick

发明人： Sanjay R. Radia ,  Thomas K. Wong ,  Swee B. Lim ,  Panagiotis Tsirigotis ,  Robert J. Goedman ,  Michael W. Patrick

IPC分类号： H04L12/56 ,  H04L29/06 ,  H04L29/12 ,  G06F13/00

CPC分类号： H04L61/2015 ,  H04L29/06 ,  H04L29/12216 ,  H04L29/12264 ,  H04L29/12301 ,  H04L45/00 ,  H04L61/2046 ,  H04L61/2076

摘要： A preferred embodiment of the present invention includes a method and apparatus for routing an IP packets in a network of client systems. The router forwards IP packets between the client systems and the server systems. More specifically, the router can be pre-configured to include one or more "routes." Each route is a mapping between an IP address and a client system. The router may also learn route from other routers and by analysis of IP packets. Preferably, the routes known by the router are included in a route table. The router also monitors DHCP assignment of IP addresses to client systems within the network. When the DHCP assignment of an IP address is detected, the router creates a new route that associates the newly assigned IP address and the corresponding client system. The new route is marked so that it may only be overwritten by a subsequent DHCP assignment. The router then updates the route table to include the new route and purges the route table of learned routes that have been invalidated by the new route. In this way, the present invention allows dynamically assigned IP addresses to override learned routes.

摘要翻译： 本发明的优选实施例包括用于在客户端系统的网络中路由IP分组的方法和装置。 路由器在客户端系统和服务器系统之间转发IP数据包。 更具体地，路由器可以被预配置为包括一个或多个“路由”。 每个路由是IP地址和客户端系统之间的映射。 路由器还可以从其他路由器学习路由，并通过分析IP数据包。 优选地，路由器已知的路由被包括在路由表中。 路由器还监控IP地址到网络中的客户端系统的DHCP分配。 当检测到IP地址的DHCP分配时，路由器创建新路由，将新分配的IP地址与相应的客户端系统相关联。 新路由被标记为只能被后续的DHCP分配覆盖。 然后路由器更新路由表以包括新路由，并清除已经被新路由无效的学习路由的路由表。 以这种方式，本发明允许动态分配的IP地址来覆盖学习的路由。

公开(公告)号：US5848233A

公开(公告)日：1998-12-08

申请号：US762402

申请日：1996-12-09

申请人： Sanjay R. Radia ,  Swee Boon Lim ,  Panagiotis Tsirigotis ,  Thomas K. Wong ,  Robert J. Goedman ,  Michael W. Patrick

发明人： Sanjay R. Radia ,  Swee Boon Lim ,  Panagiotis Tsirigotis ,  Thomas K. Wong ,  Robert J. Goedman ,  Michael W. Patrick

IPC分类号： G06F13/00 ,  H04L29/06 ,  H04L29/14 ,  G06F11/00

CPC分类号： H04L63/0227 ,  H04L63/102

摘要： The present invention includes a method and apparatus for filtering IP packets based on events within a computer network. More specifically, the present invention includes a services management system, or SMS. The SMS manages network connections between a series of client systems and a router. An access network control server (ANCS) manages the configuration of the router. The SMS monitors activities or events that occur within the network. In response to these events, the SMS dynamically downloads filtering profiles to the ANCS. The ANCS then uses the downloaded filtering profiles to reconfigure the router. The router then uses the filtering rules to selectively discard or forward IP packets received from the client systems.

摘要翻译： 本发明包括一种基于计算机网络内的事件来过滤IP分组的方法和装置。 更具体地，本发明包括服务管理系统或SMS。 SMS管理一系列客户端系统和路由器之间的网络连接。 接入网络控制服务器（ANCS）管理路由器的配置。 SMS监视网络中发生的活动或事件。 响应这些事件，SMS动态地将过滤配置文件下载到ANCS。 然后，ANCS使用下载的过滤配置文件重新配置路由器。 然后，路由器使用过滤规则来选择性地丢弃或转发从客户端系统接收的IP分组。

公开(公告)号：US5384779A

公开(公告)日：1995-01-24

申请号：US48169

申请日：1993-04-14

申请人： Michael W. Patrick ,  James A. Daly

发明人： Michael W. Patrick ,  James A. Daly

IPC分类号： H04L12/42 ,  H04L12/433 ,  H04J3/00

CPC分类号： H04L12/42 ,  H04L12/433

摘要： An apparatus for controlling configuration of a communications network, the network including a trunk having trunk segments and lobe circuits for connecting to nodes. The apparatus comprises an internal trunk circuit, and a plurality of ports. The ports include a lobe port for connecting to a lobe circuit, an input port for connecting to an input trunk segment, and an output port for connecting to an output trunk segment. State machines are provided for sensing the communications signal at a corresponding one of each of said plurality of ports. Each state machines is transitioned by a set of transition rules which include inputs from the sensed communications signals. The state machines enable the connection and disconnection of said ports to said internal trunk.

摘要翻译： 一种用于控制通信网络配置的装置，该网络包括具有中继线段的中继线和用于连接到节点的波瓣电路。 该装置包括内部中继电路和多个端口。 这些端口包括用于连接到叶片电路的波瓣端口，用于连接到输入中继线段的输入端口和用于连接到输出中继线段的输出端口。 提供状态机用于感测在所述多个端口中的每个端口中的相应一个端口处的通信信号。 每个状态机由一组过渡规则转换，包括来自感测通信信号的输入。 状态机能够将所述端口连接和断开到所述内部干线。

公开(公告)号：US4777591A

公开(公告)日：1988-10-11

申请号：US922362

申请日：1986-10-23

申请人： Ki S. Chang ,  Michael W. Patrick ,  Stephen P. Sacarisen ,  Mark A. Stambaugh

发明人： Ki S. Chang ,  Michael W. Patrick ,  Stephen P. Sacarisen ,  Mark A. Stambaugh

IPC分类号： G06F13/12 ,  G06F13/362 ,  G06F13/38 ,  H04L12/433 ,  G06F13/18

CPC分类号： G06F13/128 ,  G06F13/362 ,  G06F13/385 ,  H04L12/433

摘要： A microprocessor device used as an adapter for a communications loop of the closed-ring, token-passing, local area network type is disclosed. Each station on the ring has a host processor with a host CPU, a main memory, and a system bus. The microprocessor device therein which operates relatively independently from the host CPU, and which is coupled to the main memory by the system bus, includes a local CPU, a local read/write memory, an on-chip timer, a local bus and a bus arbiter. A transmit/receive controller is connected between the ring and the microprocessor device. This controller is coupled to the local bus to directly access the local read/write memory, also under control of the bus arbiter. The local CPU executes instructions fetched from a ROM accessed by the local bus, so the local CPU instruction fetch, the direct memory access from the transmit/receive controller for transmitting or receiving data frames, and the access from the host CPU for copying transmitted or received message frames, all contend for the local bus. Bus arbitration with appropriate priorities is used to control access to the local bus. The on-chip timer accessed by the local bus provides the time period used to monitor and control the communications protocol.

摘要翻译： 公开了一种用作闭环，令牌传递，局域网类型的通信环路的适配器的微处理器设备。 环上的每个站具有主机处理器，主机CPU，主存储器和系统总线。 其中相对独立于主机CPU操作并且通过系统总线耦合到主存储器的微处理器设备包括本地CPU，本地读/写存储器，片上定时器，本地总线和总线 仲裁者。 发射/接收控制器连接在环和微处理器设备之间。 该控制器耦合到本地总线，以便直接访问本地读/写存储器，也在总线仲裁器的控制下。 本地CPU执行从由本地总线访问的ROM获取的指令，因此本地CPU指令获取，用于发送或接收数据帧的发送/接收控制器的直接存储器访问以及来自主机CPU的复制传输或 接收到的消息帧，全部争夺当地的总线。 使用适当优先级的总线仲裁来控制对本地总线的访问。 由本地总线访问的片上定时器提供用于监视和控制通信协议的时间段。

公开(公告)号：US4571675A

公开(公告)日：1986-02-18

申请号：US567599

申请日：1984-01-03

申请人： Mark A. Stambaugh ,  Stephen P. Sacarisen ,  Michael W. Patrick

发明人： Mark A. Stambaugh ,  Stephen P. Sacarisen ,  Michael W. Patrick

IPC分类号： G06F13/12 ,  G06F13/362 ,  G06F13/38 ,  H04L12/433 ,  G06F1/00

CPC分类号： H04L12/433 ,  G06F13/128 ,  G06F13/362 ,  G06F13/385

摘要： A microprocessor device with an on-chip integrated auto-loaded timer is used in an adapter for a communications loop of the token-passing local area network type. The network has a number of stations coupled to a closed one-way signal path, and each station has a host processor with a host CPU and memory. The microprocessor device with integrated auto-loaded timer is part of an adapter coupled to the host processor. A message frame to be transmitted is copied into a local read/write memory in the adapter by way of the host system bus and a local bus, under initiation by the host CPU. A transmit-and-receive controller is coupled to the local bus to directly access the local read/write memory; when this station has access to the loop (i.e., receives a free token) the transmit-and-receive controller copies the message frame from the local read/write memory to the outgoing signal path, converting from parallel to serial. When the transmit-and-receive controller receives a message addressed to this station, it converts it from serial to parallel, and copies the message frame into the local read/write memory via the local bus, interrupting the local CPU. The message frame is then copied from the local read/write memory to the main memory.

摘要翻译： 具有片上集成自动加载定时器的微处理器设备用于令牌传递局域网类型的通信环路的适配器中。 网络具有耦合到闭合单向信号路径的多个站，并且每个站具有主机处理器，其具有主机CPU和存储器。 具有集成自动加载定时器的微处理器设备是耦合到主处理器的适配器的一部分。 要发送的消息帧通过主机系统总线和本地总线在主机CPU启动时被复制到适配器中的本地读/写存储器中。 发送和接收控制器耦合到本地总线，以直接访问本地读/写存储器; 当该站具有访问环路（即，接收空闲令牌）时，发送和接收控制器将消息帧从本地读/写存储器复制到输出信号路径，从并行转换为串行。 当发送和接收控制器收到寻址到该站的消息时，将其从串行转换为并行，并通过本地总线将消息帧复制到本地读/写存储器中，从而中断本地CPU。 然后将消息帧从本地读/写存储器复制到主存储器。

公开(公告)号：US20110030019A1

公开(公告)日：2011-02-03

申请号：US12843858

申请日：2010-07-26

申请人： John M. Ulm ,  Patrick M. Maurer ,  Michael W. Patrick

发明人： John M. Ulm ,  Patrick M. Maurer ,  Michael W. Patrick

IPC分类号： H04N7/173

CPC分类号： H04N7/17318 ,  H04N21/23655 ,  H04N21/2385 ,  H04N21/2405 ,  H04N21/6118 ,  H04N21/64322

摘要： An IP video delivery system and method that allocates a first number of video streams for delivery on a number of channels that, provides a number of bonding groups, where each bonding group bonds at least one of the channels, and allocates a second number of video streams for delivery on the bonding groups. In one aspect, the method delivers the first video streams as unbonded on the channels. The bonding groups utilize bandwidth unused by the first video streams. In one aspect, the method utilizes bandwidth unused by the first or second video streams for high speed data. The method provides instantaneous load balancing to spread the first and second video streams across all available bandwidth in the channels, and delivers those video streams using a variable bit rate with no additional statistical multiplexing rate shaping to fit video streams into the channels.

摘要翻译： 一种IP视频传送系统和方法，其分配第一数量的视频流以在多个信道上传送，所述多个信道提供多个绑定组，其中每个绑定组绑定至少一个信道，并且分配第二数量的视频 用于在粘合组上传送的流。 在一个方面，该方法将第一视频流作为未绑定在信道上传送。 接合组利用第一视频流未使用的带宽。 在一个方面，该方法利用第一或第二视频流未使用的带宽用于高速数据。 该方法提供瞬时负载平衡，以在信道中的所有可用带宽上扩展第一和第二视频流，并且使用可变比特率来传送那些视频流，而不需要额外的统计复用速率整形以将视频流适配到信道中。

公开(公告)号：US20080209489A1

公开(公告)日：2008-08-28

申请号：US11868194

申请日：2007-10-05

申请人： Gerald R. Joyce ,  Christopher W. Brown ,  Michael W. Patrick

发明人： Gerald R. Joyce ,  Christopher W. Brown ,  Michael W. Patrick

IPC分类号： H04N7/173

CPC分类号： H04L65/605 ,  H04L12/2801 ,  H04L65/4076

摘要： A method and system for transmitting digital content, such as Internet Protocol television (IPTV) content, to a downstream modulator, such as an Edge Quadrature Amplitude Modulation (EQAM) modulator, within a cable system that includes a Cable Modem Termination System (CMTS), such as a modular CMTS (M-CMTS). Content is transmitted from a content source to the EQAM, via one or more networks, such as a regional area network and a converged interconnect network (CIN), in a manner that bypasses the M-CMTS. Conventionally, downstream IPTV content travels from the content source to the CIN, to the M-CMTS, back through the CIN and to the EQAM. By tunneling IPTV content directly to the downstream modulator, fewer M-CMTS components and less CIN switching bandwidth are involved than in conventional methods and systems. The cost savings associated with bypassing expensive CMTS components allows IPTV content delivery at costs comparable to conventional content transmission methods.

摘要翻译： 一种用于在诸如因特网协议电视（IPTV）内容之类的数字内容的诸如边缘正交幅度调制（EQAM）调制器之类的诸如边缘正交幅度调制（EQAM）调制器之间传输数字内容的方法和系统，所述电缆系统包括电缆调制解调器终端系统（CMTS） ，例如模块化CMTS（M-CMTS）。 通过绕过M-CMTS的方式，通过诸如区域网络和融合互连网络（CIN）的一个或多个网络将内容从内容源发送到EQAM。 通常，下游IPTV内容从内容源传播到CIN，通过CIN和EQAM返回到M-CMTS。 通过将IPTV内容直接隧道传送到下游调制器，涉及传统方法和系统中较少的M-CMTS组件和较少的CIN切换带宽。 与绕过昂贵的CMTS组件相关联的成本节省允许IPTV内容传送的成本与传统的内容传输方法相当。

公开(公告)号：US08516532B2

公开(公告)日：2013-08-20

申请号：US12843858

申请日：2010-07-26

申请人： John M. Ulm ,  Patrick M. Maurer ,  Michael W. Patrick

发明人： John M. Ulm ,  Patrick M. Maurer ,  Michael W. Patrick

IPC分类号： H04N7/173

CPC分类号： H04N7/17318 ,  H04N21/23655 ,  H04N21/2385 ,  H04N21/2405 ,  H04N21/6118 ,  H04N21/64322

摘要： An IP video delivery system and method that allocates a first number of video streams for delivery on a number of channels that, provides a number of bonding groups, where each bonding group bonds at least one of the channels, and allocates a second number of video streams for delivery on the bonding groups. In one aspect, the method delivers the first video streams as unbonded on the channels. The bonding groups utilize bandwidth unused by the first video streams. In one aspect, the method utilizes bandwidth unused by the first or second video streams for high speed data. The method provides instantaneous load balancing to spread the first and second video streams across all available bandwidth in the channels, and delivers those video streams using a variable bit rate with no additional statistical multiplexing rate shaping to fit video streams into the channels.

摘要翻译： 一种IP视频传送系统和方法，其分配第一数量的视频流以在多个信道上传送，所述多个信道提供多个绑定组，其中每个绑定组绑定至少一个信道，并且分配第二数量的视频 用于在粘合组上传送的流。 在一个方面，该方法将第一视频流作为未绑定在信道上传送。 接合组利用第一视频流未使用的带宽。 在一个方面，该方法利用第一或第二视频流未使用的带宽用于高速数据。 该方法提供瞬时负载平衡，以在信道中的所有可用带宽上扩展第一和第二视频流，并且使用可变比特率来传送那些视频流，而不需要额外的统计复用速率整形以将视频流适配到信道中。

公开(公告)号：US20100083329A1

公开(公告)日：2010-04-01

申请号：US12241184

申请日：2008-09-30

申请人： Gerald R. Joyce ,  Qi Bao ,  David Flanagan ,  Michael W. Patrick

发明人： Gerald R. Joyce ,  Qi Bao ,  David Flanagan ,  Michael W. Patrick

IPC分类号： H04N7/173

CPC分类号： H04N21/64322 ,  H04N21/42676 ,  H04N21/6118

摘要： An apparatus, method and system for delivering Internet content within a system that includes an encapsulation database and a last-hop router as part of a bypass architecture, such as a bypass architecture that transmits IP content from a source to a downstream modulator, such as an EQAM modulator, in a manner that bypasses the system's Cable Modem Termination System (CMTS). The encapsulation database, which typically is controlled by the MSO, but also is in operable communication with the last-hop router and CMTS, is configured to store encapsulation identification information, which is used to identify which portions of the IP content receive bypass encapsulation. The encapsulation database also can include the QoS settings for such identified portions of IP content. The encapsulation database allows the MSO to provide QoS settings for select portions of IP content, such as videos from internet video providers with whom the MSO has made special arrangements.

摘要翻译： 一种用于在包括作为旁路架构的一部分的旁路架构的封装数据库和最后一跳路由器的系统内递送因特网内容的装置，方法和系统，例如从源向下游调制器发送IP内容的旁路架构，例如 EQAM调制器，绕过系统的电缆调制解调器终端系统（CMTS）。 通常由MSO控制，而且与最后一跳路由器和CMTS可操作地通信的封装数据库被配置为存储用于标识IP内容的哪些部分接收旁路封装的封装标识信息。 封装数据库还可以包括用于这样识别的IP内容部分的QoS设置。 封装数据库允许MSO为IP内容的选定部分提供QoS设置，例如MSO作出特殊安排的互联网视频提供商的视频。