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7460469 |
Fast rerouting of traffic in a circuit switched mesh network
Technology for rerouting a data stream in a communication circuit switched mesh network comprising one or more cross-connecting nodes, the data stream comprises a plurality of data frames each...
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7460470 |
Systems and methods of priority failover determination
Systems and methods or implementing priority failover determination are disclosed. An exemplary method includes prioritizing ranking criteria for plurality of network adapter ports based at least...
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7457234 |
System and method for protecting communication between a central office and a remote premises
A data communication system for communicating between a central office and a remote premises comprises a first transceiver, a second transceiver, and control logic. The first transceiver is coupled...
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7457233 |
Method and apparatus for fast reroute in a connection-oriented network
A method and an apparatus for rapidly resuming, at times of failures, network traffic in a connection-oriented network by using an alternative route pre-computed and stored locally in nodes along...
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7453796 |
Method and apparatus for designing networks to support fast restoration
Improved network design techniques are provided. More particularly, the invention provides network design techniques that support fast restoration. In one aspect of the invention, a technique for...
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7453797 |
Method to provide high availability in network elements using distributed architectures
A method to provide high availability in network elements using distributed architectures. The method employs multiple software components that are distributed across data/forwarding plane and...
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7447160 |
Method and apparatus for providing automatic crankback for emergency calls
A method and apparatus for automating test procedures to determine if non-emergency signaling message processing errors impact emergency calls, e.g., E911 calls, are disclosed. In one embodiment,...
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7447150 |
Automated path restoration for packet telephony
The present invention provides an automatic restoration architecture for packet telephony applications. Each communication endpoint has access to a pair of edge routers, which interface with a core...
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7443843 |
Terminal relay device and relay method
An apparatus has a cross connection circuit, first switching sections located on the input side of the cross connection circuit to switch a presently-used transmission path and a reserve...
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7443787 |
Cluster system, cluster member, and failure recovery method and program thereof
Distribution processing control unit determines a main processing range and a sub-processing range whose charges are taken by a cluster member to which the unit belongs. Among packets multicast to...
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7443786 |
Apparatus and methods for home agent resiliency for mobile IPv4
Providing resiliency for mobile terminal data sessions, wherein the data sessions rely on Internet Protocol Version 4 and wherein at least one Home Agent node maintains a mobility bindings database...
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7440394 |
Method and system for redundant IP forwarding in a telecommunications network
A new feature for a network element or a router is described herein. The feature is implemented in the router as a route manager object. The first function of the feature is realized by trapping...
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7437142 |
Method and system for enabling emergency sessions to be established in abnormal cases
The invention relates to a method and system for connecting a user equipment to a network in abnormal situations normally not allowing the network element to conduct a call. For establishing an...
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7436762 |
Mobile communication network system for managing the location of a mobile IP terminal
When a failure occurs in a node managing the location information of mobile node MN, it is possible to resume packet transfer from correspondent node CN to mobile node MN after the node is restored...
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7433301 |
Method of transferring packets and router device therefor
A router in a backup path in an MPLS network adopting a label stack method aims to achieve the same quality-guarantee control as the one performed in a current path. In a packet transfer device...
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7428208 |
Multi-service telecommunication switch
Multi-service telecommunication switches which include enhanced component redundancy and which also allow multiple chassis connections to a switching fabric enhance the likelihood that packets...
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7424035 |
Method for routing information over a network
A method of operating an optical network is described. The network includes a number of nodes connected by a number of links. A method according to the present invention provisions a virtual path...
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7421203 |
Method for transmitting packet in wireless access network based on wavelength identification code scheme
A method for transmitting a packet in a wireless access network based on a wavelength identification code scheme. The method comprises the steps of connecting n number of RNCs (Radio Network...
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7420973 |
Context selection in a network element through subscriber flow switching
Context selection in a network element through subscriber flow switching. According to one embodiment of the invention, authentication, authorization and accounting is performed for a subscriber...
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7408913 |
Method of real time hybrid ARQ
A method of wireless communication. The method includes the step of transmitting at least a first sub-frame from a first voice frame. If the first sub-frame is received by the wireless unit, an...
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7406033 |
Methods, devices and software for combining protection paths across a communications network
In a mesh communications network, in which working and protection paths may be established, channels used to carry protection traffic between nodes are shared across multiple protection paths....
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7406036 |
Radio communication apparatus, base station apparatus, communication terminal apparatus and transmission rate predicting method
A radio communication apparatus, base station apparatus and communication terminal apparatus capable of predicting an accurate transmission rate before starting data communications to know download...
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7406037 |
Packet forwarding apparatus with redundant routing module
A packet forwarding apparatus wherein a routing control packet received from a network is forwarded to both active and standby routing modules, the standby routing module executes predetermined...
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7406034 |
Methods and apparatus for fibre channel frame delivery
Methods and apparatus are provided for improving fibre channel frame delivery. Techniques are provided for the in order delivery of frames by intelligently delaying or dropping selected fibre...
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7406035 |
Method and apparatus for providing redundant protocol processes in a network element
A method and apparatus for facilitating an activity switch between a plurality of redundant routing modules in a network element is disclosed. Lower layer protocol packets, each encapsulating a...
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7401134 |
Packet processing architecture
A system for processing data packets comprising a plurality of data processing blocks and a controller, which allows the configuration parameters used in processing the data blocks to be updated in...
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7394758 |
Method for supporting SDH/SONET APS on Ethernet
An Ethernet MAC APS Control sublayer is provided for supporting SDH/SONET APS standard functionality in Ethernet Networks. In accordance with one embodiment, an Ethernet MAC APS Control sublayer is...
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7388828 |
Method for rerouting MPLS traffic in ring networks
A method is described for fast rerouting, in case of a fault, packets of MPLS traffic in a ring-like network configuration, where the MPLS traffic is formed by one or more Label Switched Paths...
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7388829 |
Method and apparatus for detecting and recovering from faults associated with transport protocol connections across network address translators
Approaches to recover from faults associated with multi-homed clients having transport protocol connections that pass through network address translators are disclosed. In one approach, context...
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7385931 |
Detection of network misconfigurations
A system includes a communication network having any number of separately addressable elements. An analysis device can test packet data paths between these elements by eliciting particular traffic...
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7373543 |
Method and apparatus for uninterrupted packet transfer using replication over disjoint paths
A method of operating a fault tolerant connection in a network is described. The network includes a number of network elements and a number of links. Each of the network elements is coupled to at...
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7366091 |
Method and apparatus for changing parallel clock signals in a digital data transmission
The object of the invention is to introduce an advanced method and arrangement for changing parallel data transmission connections in an assured data transmission link. According to the method of...
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7366092 |
Hash and route hardware with parallel routing scheme
A multiprocessor switching device substantially implemented on a single CMOS integrated circuit is described in connection with a parallel routing scheme for calculating routing information for...
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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...
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7362755 |
Process for implementing a switched full-duplex ethernet type communication network with redundancy
A process for implementing a redundant switched full-duplex Ethernet type communication network including at least two independent elementary networks, each elementary network including at least...
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7362699 |
Data distribution network and method for managing a breakdown in said network
A device for distributing information and its fault management process which improves the robustness of a network, such as in an aircraft, a boat, or a train. The device or process includes one or...
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7359383 |
Load balancing with mesh tagging
One embodiment disclosed relates to a method of load balancing traffic in a switching mesh. A packet is received at a switch of the mesh. A MAC destination address is gathered from the packet. An...
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7356028 |
Redundant switched full-duplex Ethernet type communication network
A redundant switched full-duplex Ethernet type communication network including at least two independent elementary networks, each elementary network including at least one source subscriber...
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7349328 |
Routing system
An active system routing device, upon receiving a location registration request sent from a mobile node, forwards the received location registration request to a standby system routing device. The...
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7346052 |
Process for implementation of a redundant switched full-duplex ethernet type communication network
The invention relates to a process for implementation of a redundant switched full-duplex Ethernet type communication network comprising at least two independent elementary networks, each...
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7342874 |
High-availability packet forwarding apparatus and method
Failover protection is provided on the same facilities for a network connection passing through a high-availability router having shared resources managed by two control processors that...
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7340530 |
Methods, for providing data from network secure communications in a cluster computing environment
Secure communications are provided over a network in a distributed workload environment having target hosts which are accessed through a distribution processor by a common network address. Secure...
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7337234 |
Retry technique for multi-tier network communication systems
A system is provided to manage retry communications between a client and a data source. The system includes a plurality of logical components that sequentially combine to form a communication path...
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7333427 |
Router system and method of duplicating forwarding engine
The present invention discloses a router system receiving data from a predetermined node in networks, and transmitting the data to an appropriate node by switching the data according to routing...
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7332234 |
Optoelectronic device capable of participating in in-band traffic
An optoelectronic device that has a network address (e.g., IF address) and participates in in-band traffic for purposes of performing functions (e.g., network diagnostics, network control, network...
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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...
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7322032 |
Methods and apparatus for scheduling operation of a data source
A computerized device has dynamically modifiable hardware, such as an ASIC, that performs queue-scheduling operations. The hardware incorporates a generic sorting processor (GSP) that is...
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7319665 |
Method for detecting problems in routing protocol modules of distributed router
Disclosed is a method for checking for errors and problems in routing protocol modules through hello packet transmission in a distributed router that is mounted with a network processor, a system...
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7315510 |
Method and apparatus for detecting MPLS network failures
Recovery time upon the failure of a link or switching system in an asynchronous data network can be minimized if downstream data switches can provide upstream messages to upstream switching systems...
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7310306 |
Method and apparatus for ingress port filtering for packet switching systems
Methods and apparatus are disclosed herein for ingress port filtering for packet switching systems. One implementation includes a mechanism to duplicate and provide an incoming packet stream to...
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