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US20120201126 |
Fault Tolerant Network Utilizing Bi-Directional Point-to-Point Communications Links Between Nodes
A data communication system and an associated network node implementation is disclosed that, in certain embodiments, uses single-channel bi-directional communication links between nodes to send... |
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US20150249587 |
METHOD AND APPARATUS FOR TOPOLOGY AND PATH VERIFICATION IN NETWORKS
A method and apparatus are disclosed herein for topology and/or path verification in networks. In one embodiment, a method is disclosed for use with a pre-determined subset of network flows for a... |
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US20080025208 |
WIDE-AREA WIRELESS NETWORK TOPOLOGY
A wireless communications network topology and its implementation enable the wireless network implementing the topology to be sufficiently robust to avoid or mitigate the consequences of various... |
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US20080159126 |
Multiring control method, node using the method, and control program
The invention enables protection of a ring frame transferred via an inter-ring bridge ring node when a fault occurs at the node in a multiring. Ring nodes form a ring protection domain to enable... |
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US20100254258 |
RING-BASED PACKET TRANSMITTING METHOD, NETWORK SYSTEM AND NODE EQUIPMENT
A ring-based packet transmitting method, network system and node equipment are provided. The ring-based packet transmitting method includes the following steps: a received user packet is... |
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US20070183316 |
Method and Apparatus for Detection of Port Name in a Loop Network
A method and apparatus for detection of a port name in a loop network is provided, particularly a loop network in the form of a Fibre Channel Arbitrated Loop (FC-AL). The loop network (100) has a... |
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US20090016384 |
Method and apparatus for distributing synchronization status messages over a Resilient Packet Ring (RPR)
Packets used for distributing timing information over a Resilient Packet Ring (RPR) are generated by encoding Synchronization Status Messaging (SSM) messages into IEEE 802.3ah OAM packets (or any... |
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US20080304407 |
Efficient Protection Mechanisms For Protecting Multicast Traffic in a Ring Topology Network Utilizing Label Switching Protocols
Efficient protection mechanisms for ring-based label-switching networks, such as multi-protocol label switching (MPLS) networks. The protection mechanisms are designed to protect... |
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US20070127366 |
QUALITY OF SERVICE USING VIRTUAL CHANNEL TRANSLATION
Virtual channels are used to improve quality of service through a large port count switch. Data frames are sent from one small switch to another small switch within the large port count switch on... |
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US20090296569 |
Ring network and method for automatic protection swicthing
A method for automatic protection switching in a ring network detects a link failure at a first interface of a node, generates a first link down message and sends the first link down message along... |
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US20090323521 |
Transmission method and transmission apparatus in ring network
According to the transmission method, labels to be used at the failure occurrence are previously and individually set to links in respective directions among all nodes on the one directional link... |
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US20100061229 |
FAST RING REDUNDANCY OF A NETWORK
The invention relates to a method for operating a network as well as a network comprising at least one switch (400) and network infrastructure devices that are connected to said at least one... |
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US20120269056 |
METHOD, DEVICE, AND SYSTEM FOR PROTECTING SEMI-RING NETWORK
The present invention discloses a method for protecting a semi-ring network. The method includes: running an Ethernet ring network protection protocol at a networking port of each non-closed ring... |
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US20100254257 |
METHOD FOR PROCESSING FAILURE OF SLAVE PORT OF MASTER NODE IN ETHERNET RING NETWORK SYSTEM
The present invention discloses a failure processing method for a slave port of a master node in an Ethernet ring system, comprising the following steps of: (1) the master node detecting a state... |
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US20060209683 |
Packet transmission method and station in packet ring telecommunications network
A station forming part of a packet ring telecommunications network designed to share available bandwidth of packets transmitted in a first direction through a 0-side transmission line based on... |
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US20050036444 |
WDM bidirectional add/drop self-healing hubbed ring network
A WDM hubbed ring network includes a single central office connected to a plurality of remote nodes by one optical transmission line. The central office generates at each wavelength corresponding... |
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US20070019542 |
Ethernet ring protection-resource usage optimisation methods
Reconfiguring a ring network having N nodes and S spans that prevents a maximum usage parameter to be exceeded. The network is configured by selecting a span as a protection span to remain idle.... |
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US20140204731 |
MULTIPROTOCOL LABEL SWITCHING RING PROTECTION SWITCHING METHOD AND NODE DEVICE
According to an example, a MPLS ring protection switching method is applied to each node in an MPLS TP ring. In the method, an MPLS forwarding table entry configured for a working LSP and an MPLS... |
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US20070274208 |
System for Transmitting Data and User of the System
A system having at least three users for transmitting data is provided, the system including two transmission paths among the users, the transmission paths forming a first ring and a second ring... |
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US20150156033 |
ACTIVE BYPASS SYSTEM FOR RING NETWORKS
An active bypass system including an active bypass module having a first receiver connected to a first transmitter; and a slave node having a second receiver, a second transmitter, and a process... |
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US20080068987 |
Loop network system and data storage devices included therein
Embodiments of the present invention provide a loop network system and data storage devices connected thereto where the data storage devices (nodes) can perform effective pieces of processing and... |
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US20050047328 |
Ring network system
A ring network system and a method for managing and operating the ring network system. The ring network system comprises at least two operative traffic subnetworks, a first subnetwork comprising a... |
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US20080123523 |
Loop network system, a device included therein, and a method for determining connecting status of the device to the network
Embodiments in accordance with the present invention relate to determination of a connecting status of a device in a system constituted by a plurality of devices connected via information... |
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US20120314565 |
METHOD FOR PROTECTION AGAINST SUPERLOOPS IN AN ETHERNET RING
The present invention relates to a method in an interface node for protecting an Ethernet ring from a superloop going through the Ethernet ring, wherein the Ethernet ring comprises a pair of... |
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US20050157642 |
Method of optimizing packet flow in a ring stackable network architecture
The present invention is to provide a method of optimizing packet flow and fully utilizing available bandwidth in a packet transfer path of duplex ring stackable switch, which comprises... |
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US20070291642 |
NAS system and information processing method for the same
Enhancing expansion of a NAS system without restrictions from a communication network. In the NAS system having existing NAS units and disk storage apparatuses, when adding another NAS unit and... |
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US20070091791 |
RPR span BW protection scheme for RPR transported over SONET paths
A communication system and method provide fractional protection of Resilient Packet Ring (RPR) span bandwidth (BW) by provisioning the number of SONET paths in a given span to greater than the RPR... |
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US20060023627 |
Computing system redundancy and fault tolerance
A computing environment includes a number of nodes, one of which is a primary node that controls the operation of the computing environment and another of which is a backup node that is capable of... |
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US20060291380 |
NUT table automatic updating system coupled with RPR establishment
A device, to which an RPR setting instruction is input by a network administrator, comprises an RPR controller and information (RPR information) that the RPR should be set is transmitted to all... |
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US20070217330 |
Ring network system, node device, and protection band testing method for the ring network system
In a ring network system, a first node device includes means for sending out a control signal for controlling one of a plurality of second node devices so as to allow signals transmitted over a... |
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US20060193251 |
Online reservation processing system and method
An online reservation processing system comprises a receiving module and a translating module. The receiving module receives a reservation application datum, which comprises an initial time and a... |
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US20160191271 |
Control System for a Rail Vehicle
A control system for a rail vehicle with a plurality of cars has at least one central control device for controlling vehicle-wide functions based on global information, and a set of decentralized... |