Matches 101 - 150 out of 537 < 1 2 3 4 5 6 7 8 9 10 11 >
Match Document Document Title
7394757 Circuit to provide backup telephone service for a multiple service access system using a twisted pair  
A subscriber link to a central office which employs data compression, forward error correction, and advanced modulation techniques and to connect subscribers to multiple communications networks to...
7385917 Method and system for providing a protection path for connectionless signals in a telecommunications network  
A method is provided for providing protection for connectionless signals in a telecommunications network comprising a plurality of nodes. A first protection path is generated from each of the nodes...
7382721 Nodal computer network  
A nodal computer network comprises a plurality of nodes grouped into different classes. The classes include at least a first class of fully interconnected nodes and a second class of fully...
7382720 Active/standby switching system and active/standby switching method  
An active/standby switching system includes two AAL 2 (ATM Adaptation Layer Type 2 ) cell assembling/disassembling processor units ( 20, 30 ) as an active system and a standby system so that...
7382772 Communication system that shares protect links among multiple services including an internet service  
A first optical interface is coupled to a first IP service node and a first non-IP service node. A second optical interface is coupled to a second IP service node and a second non-IP service node....
7380004 Storage system, computer system, and method of configuring storage system  
A storage system is provided with a plurality of interface units each for connection with a server; an interface unit for connection with hard disk drives; a plurality of microprocessor units each...
7379419 Apparatus and method for performing an online software upgrade of resource servers  
A switch for handling call connections between calling devices and called devices. The switch comprises: 1) at least one system management node associated with a configuration management...
7376078 Selective replay of a state information within a computing device  
A router synchronizes state information between a plurality of control units. The router includes a primary control unit and a standby control unit. To ensure proper operation of the router, the...
7372803 Apparatus and method for establishment and protection of connections within mesh networks  
A node within a mesh network includes an Optical Connection Controller (OCC) and a network element. When a connection path within the mesh network is required, an OCC determines if a particular...
7372804 Multiplex communication system and method  
Disclosed are the multiplex communication system and the method therefore. A fault detection part of a duplex switching device detects it as generation of fault when recognizable signals are not...
7372845 Telecommunication network with fast-reroute features  
A telecommunication network with fast-reroute features wherein a method is used to release, by means of a “Path_Tear Message”, a Label Switched Path [LSP] established between linked routers (A,...
7366413 Modular cross connect system with 3D-MEMS for optical telecommunication networks  
A modular cross connect system for optical telecommunication networks has the optical unit divided in at least two main bodies with one section for connection comprising the collimators and a main...
7362697 Self-healing chip-to-chip interface  
A method, apparatus, and computer instructions for managing a set of signal paths for a chip. A defective signal path within the set of signal paths for the chip is detected. Signals are re-routed...
7362974 Method for planning or provisioning data transport networks  
A tool for static or dynamic planning of a WDM network with dedicated protection. The WDM network is represented by a layered graph having image nodes for each node of the network and horizontal...
7362696 Method and apparatus for automatic transfer switch  
An automatic transfer switch includes; a housing, at least one switch for switching electrical connection from a first external power source to a second external power source, and a first and at...
7359316 Reception pointer processing apparatus in SDH transmission system  
The present invention is a technology concerning a reception pointer processing in an SDH transmission system. The objects of the invention are to identify automatically a frame size (frame...
7355966 Method and system for minimizing disruption in common-access networks  
A method and fibre channel switch element is provided for isolating a defective device that is coupled to a fibre channel arbitrated loop. The method includes, isolating a port if a loop...
7352694 System and method for tolerating data link faults in a packet communications switch fabric  
A system and method are provided for tolerating data line faults in a packet communications switch fabric. The method comprises: accepting information packets including a plurality of cells, at a...
7352693 Fault tolerant wireless communication systems and methods  
Systems and methods for fault tolerant communication are provided. A base site is coupled to a central office via a channel service unit. The channel service unit is coupled to the central office...
7345992 System and method for embedding a sub-channel in a block coded data stream  
The present invention relates in general to a method, apparatus, and article of manufacture for providing high-speed digital communications through a communications channel. In one aspect, the...
7342873 Efficient architectures for protection against network failures  
Traffic demands are routed between network elements so as to provide improved protection against network failures. A given traffic demand is routed from a first network element to a second network...
7342877 Method and system for providing a loop-free ring topology  
A method for preventing loops in a ring topology of a computer network is disclosed. The method includes receiving a packet at a node on a shared packet ring and inserting a header containing an ID...
7333425 Failure localization in a transmission network  
Failures are localized through the use of a Tandem Connection along a segment of a transmission path (P) to be monitored, non-intrusive intermediate Tandem Connection monitors (M), and temporary...
7333424 Upper layer node, lower layer node, and node control method  
An upper layer node is used in a multi-layer network which includes an upper layer network which performs switching and transfer in units of packets, and a lower layer network which includes...
7330425 Method and apparatus for permanent sub-network connections in a communication network  
Methods and apparatus implementing and using techniques for creating a permanent sub-network connection in a network of connected nodes. A route including a working path for a permanent sub-network...
7330424 Node device in network, and network system  
The present invention provides a node device for connecting a plurality of networks. The node device comprises a plurality of input units for respectively inputting data from first transmission...
7327672 Signal routing in a node of a 1:N automatic protection switching network  
Automatic protection switching is implemented by channel devices in a data communication system node. Each channel devices includes input and output ports, a data receive port, a data send port,...
7327670 Method for reliably recovering signaling system seven (SS7) user part message packets in response to a socket failure  
Methods and systems for transmitting user part messages between signaling system seven (SS7) signaling points over an internet protocol (IP) network include receiving, at a signal transfer point, a...
7324439 Application-transparent IP redundancy  
The present invention is directed to a method, a service node and a system for providing IP redundancy between a first service node and a second service node being mutually redundant. The first and...
7319664 Redundant link management switch for use in a stack of switches and method thereof  
A stackable switch supporting redundant link and backup management. The stackable switch includes a stacking module, a processor and a management module. Several stackable switches can be stacked...
7319663 Method for controlling switching in bidirectional line-switched ring  
A method for controlling switching in a bidirectional line-switched ring network configured by a plurality of optical fibers and a plurality of nodes, (i) having a first node receive as input an...
7313087 Distributed protection switching  
A system for responding to failures of connections in a network. In one embodiment, there is a system for responding to destination failures involving SPVx (switched-permanent virtual circuit)...
7313088 Common protection architecture for optical network  
A communication network is arranged in a ring configuration of network elements ( 12 ) coupled by working spans ( 16 ) associated protection spans ( 18 ), with multiple rings sharing network...
7307945 Methods for providing a reliable server architecture using a multicast topology in a communications network  
Multi cast techniques are employed to provide host computer elements access to multiple redundant servers of a communication network in such a way that the hosts need not know which of the servers...
7308494 Reprovisioning technique for an interconnect fabric design  
A technique is disclosed for reprovisioning an interconnect fabric design for interconnecting a plurality of network nodes. A design for the interconnect fabric specifies an arrangement of elements...
7307947 Protection system, layer 2 function block, node and ring network enabling wideband transmission of working traffic and protection of protection channel traffic  
A ring network having a plurality of nodes connected by a working channel and a protection channel. When no failure exists, the working channel and the protection channel are link-aggregated into...
7302177 Optical transmission system including a plurality of optical transmission devices  
Two multiplexing/demultiplexing sections of working and protection sides are prepared for each of a plurality of optical transmission devices which constitute a system, and the optical transmission...
7301894 Method for providing fault tolerance in an XDSL system  
An XDSL system may include an active unit and a standby unit. The active unit may include a plurality of line circuits, which can be used to form XDSL loops with far end units. The standby unit may...
7298755 Apparatus and method for communicating with a network and for monitoring operational performance of the apparatus  
An apparatus for communicating with a network comprises a data packet pipeline and a monitoring element. The data packet pipeline is configured to transfer data between a buffer and a network...
7295511 System and method for packet data serving node load balancing and fault tolerance  
A system and methods are shown for providing packet data serving node (PDSN) load balancing and fault tolerance. One exemplary method includes providing an access node with a plurality of packet...
7289430 Equipment monitoring system line swap fast recovery method  
An equipment monitoring system line swap fast recovery method by installing a link detection mechanism in an Ethernet switch of an equipment monitoring system in an Ethernet between equipments at...
7289429 System and method to perform non-service effecting bandwidth reservation using a reservation signaling protocol  
A method to facilitate recovery of a node in a communications network is disclosed. The method comprises receiving one or more messages from at least another node in the communications network and...
7286490 Method for routing information over a network employing centralized control  
A method and apparatus for centralized control of a network is described. The network includes a number of nodes. The method includes creating a database and storing the database on a master node...
7287081 Controlled calls in a transmission network  
Commands are shown and described that enable a user to manipulate a call connection for the purpose of maintaining links in a network. The Block command prevents new traffic from being added to an...
7283739 Multiple subnets in an optical ring network and method  
An optical network includes an optical ring and at least three subnets. Each subnet includes a plurality of add/drop nodes coupled to the optical ring. The add/drop nodes are operable to passively...
7283465 Hierarchical virtual private LAN service protection scheme  
A data communication network includes a plurality of primary virtual bridges, interconnected by primary virtual connections so as to transmit and receive data packets over the network to and from...
7283464 Method and apparatus for a switch fabric in a data transport system  
Embodiments of a method and/or apparatus for a switch fabric in a data transport system are disclosed.
7283740 Optical ring network with optical subnets and method  
An optical network includes a plurality of subnets. The subnets each include a plurality of add/drop nodes coupled to the optical ring and operable to passively add and drop traffic to and from the...
7280485 Method and apparatus for diagnosing FC-AL system link  
Upon detection of a fault of a loop or any of disk apparatuses 30, 40 , and 50 , an FC-AL control unit 15 notifies an MPU 11 of contents of the fault. The MPU 11 records a fault history for...
7280472 Protection switching at a network node  
Protection switching between primary and secondary paths in a packet-based network involves table entries that are pre-programmed with a primary path, a secondary path, and a value that identifies...
Matches 101 - 150 out of 537 < 1 2 3 4 5 6 7 8 9 10 11 >