Logically grouping physical ports into logical interfaces to expand bandwidth
    21.
    发明公开
    Logically grouping physical ports into logical interfaces to expand bandwidth 审中-公开
    Logische Gruppierung von physikalischen港口在logischer Schnittstelle um die Bandbreiten zuerhöhen

    公开(公告)号:EP1363429A2

    公开(公告)日:2003-11-19

    申请号:EP03291033.3

    申请日:2003-04-25

    IPC分类号: H04L12/56

    CPC分类号: H04L45/54 H04L45/00 H04L45/24

    摘要: A method, system and computer program product for routing packets. A network device, e.g., router, may comprise a switch fabric coupled to a plurality of blades where each blade may comprise one or more network processors coupled to one or more physical ports. The physical ports may be connected to another one or more network devices. A plurality of physical ports across one or more blades connected to the same network device may be logically mapped into a logical interface to that network device. By logically grouping a plurality of physical ports into a logical interface to a network device, a network processor may be able to transmit packets of data to that network device across multiple ports instead of one physical port.

    摘要翻译: 一种用于路由数据包的方法,系统和计算机程序产品。 网络设备(例如路由器)可以包括耦合到多个刀片的交换结构,其中每个刀片可以包括耦合到一个或多个物理端口的一个或多个网络处理器。 物理端口可以连接到另一个或多个网络设备。 连接到同一网络设备的一个或多个刀片上的多个物理端口可以逻辑地映​​射到该网络设备的逻辑接口中。 通过将多个物理端口逻辑地分组成到网络设备的逻辑接口,网络处理器可以能够跨多个端口而不是一个物理端口将数据分组传送到该网络设备。

    Address management in PNNI hierarchical networks
    22.
    发明公开
    Address management in PNNI hierarchical networks 有权
    Adressenverwaltung在hierarchyischen pnni-netzen

    公开(公告)号:EP1075112A1

    公开(公告)日:2001-02-07

    申请号:EP00115178.6

    申请日:2000-07-13

    IPC分类号: H04L12/56 H04Q11/04

    摘要: Address management methods and apparatus are provided for a node serving as peer group leader for a peer group of nodes in one level of the hierarchy of a PNNI hierarchical network, whereby the peer group leader represents the peer group to one or more neighboring nodes in the next level up of the hierarchy. The peer group leader has a memory (2) for storing peer group topology data (4), comprising address data which is supplied to the peer group leader from nodes in the peer group and represents addresses for access by the network, and peer group leader topology data (5), comprising address data which is supplied to said neighboring nodes by the peer group leader and represents addresses accessible via the peer group. The address management method comprises: checking whether addresses represented by said address data are accessible via the peer group; notifying said neighboring nodes of changes in the accessibility of addresses so identified; and updating said peer group leader topology data (5) in accordance with said changes.

    摘要翻译: 为PNNI分级网络的层级的一个级别中的对等组节点作为对等组组长的节点提供地址管理方法和装置,由此对等组组长表示对等体组到一个或多个相邻节点 层次结构的下一级。 对等组组长具有用于存储对等组群拓扑数据(4)的存储器(2),包括从对等体组中的节点提供给对等组组长的地址数据,并表示网络接入的地址和对等组组长 拓扑数据(5),包括由对等组组长提供给所述相邻节点的地址数据,并且表示经由对等体组可访问的地址。 地址管理方法包括:检查由所述地址数据表示的地址是否可通过对等体组访问; 通知所述相邻节点对所识别的地址的可访问性的变化; 以及根据所述改变更新所述对等群组领导拓扑数据(5)。

    Method and system in a packet switching network for dynamically adjusting the bandwidth of a continuous bit rate virtual path connection according to the network load
    23.
    发明公开
    Method and system in a packet switching network for dynamically adjusting the bandwidth of a continuous bit rate virtual path connection according to the network load 审中-公开
    在分组的方法和系统交换网络来动态调整用连续比特率的虚拟路径的带宽,根据网络负载

    公开(公告)号:EP1001574A1

    公开(公告)日:2000-05-17

    申请号:EP98480078.9

    申请日:1998-11-10

    IPC分类号: H04L12/56 H04Q11/04

    摘要: The present invention relates to a system and method for dynamically adjusting the bandwidth of a continuous bit rate virtual path connection established between a source node and a destination node within a packet or cell switching network comprising a plurality of nodes interconnected with transmission links. In the network, a bandwidth management server having access to information concerning network nodes and transmission links is defined. This server is informed each time a virtual path connection or a virtual channel connection is established on the network with an indication concerning the initial bandwidth reserved for said connection. The server detects and shares, on a continuous or periodical mode, the bandwidth which is available on transmission links among the bandwidth adjustable continuous bit rate virtual path connections and determines for each connection a new bandwidth. The source node is informed each time a new bandwidth is computed. It adjusts the bandwidth of the corresponding bandwidth adjustable continuous bit rate virtual path connection accordingly.

    摘要翻译: 本发明涉及一种系统和方法,用于动态地调整源节点和一个包或信元交换网络包括与传输链路互连的节点内的多个目的地节点之间建立的连续的比特速率虚拟通路连接的带宽。 在网络中,具有获取信息关于网络节点和传输链路的带宽管理服务器定义。 此服务器的每个虚拟路径连接或虚拟信道连接与上指示关于用于所述连接保留的初始带宽的网络上建立时间通知。 服务器检测和股,在一个连续的或周期性的方式,频带宽度的所有其可在带之间的传输链路宽度可调整的连续比特率虚通道连接和确定性地雷为每个连接一个新的带宽。 每一个新的带宽计算时间源节点被告知。 它相应bestimmt相应带宽可调连续比特率虚拟通路连接的带宽。

    Token star switch
    24.
    发明公开
    Token star switch 失效
    SternförmigerSchalter mit Tokenzugriff。

    公开(公告)号:EP0603444A1

    公开(公告)日:1994-06-29

    申请号:EP92480200.2

    申请日:1992-12-22

    IPC分类号: H04L12/42

    CPC分类号: H04L12/44 H04L12/433

    摘要: The invention includes a switch having N ports (N > 1), each port being connected to a Token-Ring physical segment, an additional port connected to an on-board processor, and a high-throughput port connected to a network of higher bandwidth than the Token Ring. The invention allows to route frames received at any one port to any or several ports, to begin the routing of the frames before they have been completely received at the input port, and to directly forward frames from input to output of the high badwidth port.

    摘要翻译: 本发明包括具有N个端口(N> 1),每个端口连接到令牌环物理段,连接到车载处理器的附加端口和连接到更高带宽的网络的高吞吐量端口的交换机 比令牌环。 本发明允许将在任何一个端口接收的帧路由到任何或多个端口,以便在它们已经在输入端口被完全接收之前开始帧的路由,并且将帧从高差错端口的输入到输出直接转发。

    Checkpointing mechanism for fault-tolerant systems
    25.
    发明公开
    Checkpointing mechanism for fault-tolerant systems 失效
    Wiederanlaufkennzeichnungsmechanismusfürfehlertolerierende Systeme。

    公开(公告)号:EP0441087A1

    公开(公告)日:1991-08-14

    申请号:EP90480021.6

    申请日:1990-02-08

    IPC分类号: G06F11/20

    摘要: A checkpointing mechanism implemented in a data processing system comprising a dual processor configuration gives the system a fault tolerance capability while minimizing the complexity of both the software and the hardware.
    The active and backup processors are coupled asynchronously with some hardware assist functions comprising a memory change detector which captures the memory changes in the memory of the active processor and a mirroring control circuit which causes the memory changes when committed by establish recovery point signals generated by the active processor to be dumped into the memory of the back up processor so that the backup processor can resume the operations of the active processor from the last established recovery point.
    The active and backup processors may each be connected to a dedicated memory and recovery point storing means, or to a memory including two dual sides shared by all the processors for storing data structures and recovery points.

    摘要翻译: 在包括双处理器配置的数据处理系统中实现的检查点机制使得系统具有容错能力,同时最小化软件和硬件的复杂性。 主动和备用处理器与一些硬件辅助功能异步耦合,包括存储器改变检测器,其捕获活动处理器的存储器中的存储器变化;以及镜像控制电路,当通过建立由 主动处理器被转储到备份处理器的存储器中,使得备份处理器可以从最后建立的恢复点恢复活动处理器的操作。 活动和备份处理器可以各自连接到专用存储器和恢复点存储装置,或者连接到包括由所有处理器共享用于存储数据结构和恢复点的两个双边的存储器。