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Class 370/248 - Path check


Subclass of Class 370 - Multiplex communications
Definition: Subject matter wherein a link through a multiplex system
No. of patents: 933
Last issue date: 02/14/2012


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NumberTitleIssue Date
7103002Communication management in networks having split control planes and user planes
Methods of re-establishing a connection between a radio network node and a core network having a control plane entity and a user plane entity in a communication network and of detecting faulty communication paths or re-started entities in such networks are provided....
09/05/2006
7103807Systems and methods for isolating faults in computer networks
A system or a method is designed to detect and suppress faults on network elements located in various logical groups. The system and method of fault status suppression in a communications network includes receiving fault data from a detector identifying fault status...
09/05/2006
7103096Performance evaluation of multicarrier channels with forward error correction and automatic retransmission request
In one embodiment, a method and apparatus increases a bit load of a multicarrier system comprising a channel having a plurality of subchannels. A bit load is determined for at least one subchannel based on a target symbol error rate εS a maximum number o...
09/05/2006
7099282Determining the effects of new types of impairments on perceived quality of a voice service
Empirically derived models are used to relate user perception to objectively measurable characteristics, under a criterion of nearly perfect co-variance between predicted MOS values and the variations in the values of the objectively measurable characteristics. In t...
08/29/2006
7099308Router for use with a link that has a set of concurrent channels
An asymmetrical network is disclosed for coupling customer-premises Internet hosts such as personal computers to the Internet. The head end of a CATV system has a high-bandwidth connection to the Internet. The CATV system supports a plurality of concurrent channels ...
08/29/2006
7095741Port isolation for restricting traffic flow on layer 2 switches
This invention provides for an apparatus and method to isolate ports on layer 2 switches on the same VLAN to restrict traffic flow. The apparatus comprises a switch having said plurality of ports, each port configured as a protected port or a non-protected port. An ...
08/22/2006
7095735System and method for a control services link for a multi-shelf node in a communication switch
A connection system for a communication switch is provided. The switch comprises a controller and shelves providing communication capabilities for the switch. The controller is able to communicate with each shelf shelves utilizing categories of communication signals...
08/22/2006
7095714Ring interconnection network system, node equipment, network management equipment, and path setting method
A Protection Primary state is newly defined. When the traffic route is switched by a ring interworking function, while APS is in operation, a protection primary node is caused to restore the service path. ...
08/22/2006
7093289Mechanism for automatically configuring integrated access device for use in voice over digital subscriber line circuit
An integrated access device is automatically configured to conduct packetized voice and data communications between a customer's voice/data equipment and a digital communications switch. For this purpose, the IAD's communication control processor is programmed to pe...
08/15/2006
7093160Method and system for implementing MPLS redundancy
The present invention relates to a method and system for implementing protocol redundancy in a router. In particular, the invention relates to providing redundancy of multi protocol label switching (MPLS). In one aspect, the present invention provides MPLS redundanc...
08/15/2006
7093155Information processing system and method for path failover
An information processing system comprises a storage and a plurality of information processing apparatuses requesting data input/output from the storage. The information processing apparatus comprises an error detection section, a changeover evaluation section, and ...
08/15/2006
7092947Browser on test equipment
A portable telecommunication test set, such as a telephone line butt set, with a web browser incorporated therein. A standard HTML (Hyper Text Mark-up Language) or WAP (Wireless Application Protocol) browser may be incorporated within the portable test set, allowing...
08/15/2006
7092629Time-division and wave-division multiplexed link for use in a service area network
A data transmission system employs a method of aligning transmission lanes with reception lanes in a multiplexing arrangement. A plurality of control symbols and lane identifiers are transmitted on each of the transmission lanes. The transmission lanes are divided i...
08/15/2006
7092361System and method for transmission of operations, administration and maintenance packets between ATM and switching networks upon failures
A system and method of notifying a first communication network of a fault related to a second communication network is provided. The first communication network is connected to the second communication network. The first communication network has a first OAM protoco...
08/15/2006
7092184Monitoring a sensor's output using a target window that is based on a longitudinal offset's position-dependent indicator
Using a “reference” sensor, a reference position is detected in a frame of reference that is moving along a predetermined path relative to the reference sensor. The reference position is used to derive a position-dependent indicator of a position-dependent “lo...
08/15/2006
7089304Metered Internet usage
Methods, systems and computer program products for tracking a client's usage of one or more services provided by one or more servers. A client generates and sends one or more metering packets to a census service. Each metering packet includes a time element indicati...
08/08/2006
7088732Apparatus and methods for storing and comparing PIDs
An apparatus for storing and comparing PIDs (Packet Identifiers) is disclosed which comprises a plurality of PID storing units for separately storing portions of PIDs in groups of 2 or more bits, a plurality of PID receiving and storing units for storing a PID of a ...
08/08/2006
7088678System and method for traffic shaping based on generalized congestion and flow control
A system and methods are shown for traffic shaping and congestion avoidance in a computer network such as a data-over-cable network. A headend of the data-over-cable system includes a traffic shaper configured to calculate a packet arrival rate from a cable modem an...
08/08/2006
7085283Automatic data CPU load reduction in a host-signal processing (HSP) based ADSL modem
An ADSL transceiver has a sleep state, in which the received signal is not fully processed, thus reducing a load on a host processor hosting the ADSL transceiver. By arranging for the transceiver to be in a normal state when data is being received or expected to be ...
08/01/2006
7085238Smartjack for fault-testing network segments on Ethernet and other internet protocol network architectures
A fault-testing node for a connectionless data link has at least two opposing communication ports; a soft switch for controlling port-to-port data flow through the device; and an instance of software for modifying packet header information. The node enables loop-bac...
08/01/2006
7085225System and method for providing detection of faults and switching of fabrics in a redundant-architecture communication system
A system and method of selecting a routing datapath between an active datapath and a redundant datapath for a communication device are provided. The system and method are embodied in a first step of monitoring for a fault occurring in the active datapath and the red...
08/01/2006
7082299Testing loops for channel codecs
A method for determining the performance of decoding in a telecommunication system having a decoder and a testing apparatus for supplying test data to the decoder includes generating test data having signalling data in a signalling frame format, mapping the test dat...
07/25/2006
7080161Routing information exchange
Network architectures and protocols to support enhancements to the decision making process of standard routing protocols are described. Embodiments allow decisions to be exchanged between networks, or autonomous systems, about which internetwork paths have been chos...
07/18/2006
7079626System and method for imputing data into a database
A system and method for imputing data into a database includes an imputing system operable to impute data based on outside plant construction principles. The imputing system includes an inventory database, a data engine, a search engine, and a loop engine. The inven...
07/18/2006
7079493Device and method for collecting traffic information
The present invention provides a traffic information collecting device and method. A node in a communication network collects a first traffic information of a first link connected to an own node. And also the node receives second traffic information of second links ...
07/18/2006
7079485Multiservice switching system with distributed switch fabric
A digital switching system comprises: (a) a line card layer containing a plurality of real or virtual line cards; (b) a switch card layer containing a plurality of real or virtual switch cards; and (c) an interface layer interposed between the line card layer and th...
07/18/2006
7079484Management method for maintaining communications options within a private communications network
The method enables a set of services to be maintained within a private communications network even in the event of the network becoming split. It uses emergency means providing dynamic accesses that are previously defined by the user of the network. The dynamic acce...
07/18/2006
7079482Method and system for test head testing of connections of a SONET element
A method of configuring a SONET network element to support a test head test session comprises dedicating an otherwise assignable output port of a SONET network element as a test access port, receiving a request to connect a connection switched by a switch fabric of ...
07/18/2006
7076594Apparatus and method for preventing one way connectivity loops in a computer network
Ports of a switch are assigned by a person, for example a network manager, to be for communication up the spanning tree toward the root switch (“up ports”), or down the spanning tree away from the root switch (“down ports”). This assignment is made by enabli...
07/11/2006
7076556Method and apparatus for storage and retrieval of connection data in a communications system
A method and apparatus for improved communication in a communications system is disclosed. The improvement involves storing connection data at a client end of a client-server connection within a communications system. Connection data is transmitted from a server com...
07/11/2006
7076030Method and system for testing XDSL wiring
In an XDSL system, a network interface device can connect between a central office and a customer premises. The network interface device can monitor for an indication to enter a test mode. In the test mode, the network interface device can provide a test signal to t...
07/11/2006
7075927Method and system for quality of service (QoS) support in a packet-switched network
A method and system for transporting traffic having disparate qualities of service classes across a packet-switched network includes receiving at an ingress node of a network a plurality of packets each comprising a quality of service (QoS) class defined externally ...
07/11/2006
7075889Packet protection technique
A packet protection method allowing rapid restoration in case of fault occurrence without undesired reduction in efficiency on the use of network bandwidth is disclosed. In a packet protection network having a working route and a reserved route set therein, when a f...
07/11/2006
7072976Scalable routing scheme for a multi-path interconnection fabric
Various embodiments of a scalable routing system for use in an interconnection fabric are disclosed. In this routing scheme, a routing directive describes a route in the interconnection fabric between a sending node and a destination node. Either the sending node or...
07/04/2006
7072305Method and apparatus for analyzing a communications network link
A method and system for testing at least one link in a communications network. The system includes first and second analyzer units that are configured to test an existing link in the network. Alternatively, the first and second analyzer units may be configured to es...
07/04/2006
7071705Apparatus and method for communications testing
A communications connector tester for quickly and accurately analyzing communications connectors at production to determine whether the connectors are fit for use in certain communications applications is disclosed. Test signals at several discrete frequencies are s...
07/04/2006
7069013High integrity radio access network client reallocation in a wireless communication network
A wireless communication system (10) uses communications bridging functions to establish redundant communication paths (32, 34, 44, 46) between redundant radio access network session clients (36, 38), a core system 16 and a base transceiv...
06/27/2006
7068757Apparatus and method for automated testing of the quality of voice communications over data networks
A slave test unit is used in conjunction with a remote test unit to test voice signal quality parameters, such as clarity, delay and echo. A remote master test unit, or a remote slave test unit, controls the slave test unit via commands sent by the remote test unit ...
06/27/2006
7068675Construction machine using the method of controlling communications among electronic devices
A plurality of electronic control devices for carrying out communications by using at least one of a plurality of different types of communication protocols are connected by a multiplex transmission serial communication line which supports communications by a plural...
06/27/2006
7068609Method and apparatus for performing wire speed auto-negotiation
Auto-negotiation with a communication partner includes downgrading a set of advertised communications capabilities, e.g., IEEE 802.3 capabilities, when a link with the communication partners fails to support an advertised communications capability, e.g., wire-speed....
06/27/2006
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