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686 results about "Signaling protocol" patented technology
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A signaling protocol is a type of protocol used to identify signaling encapsulation.
Generating and implementing a communication protocol and interface for high data rate signal transfer
A data Interface for transferring digital data between a host and a client over a communication path using packet structures linked together to form a communication protocol for communicating a pre-selected set of digital control and presentation data. The signal protocol is used by link controllers configured to generate, transmit, and receive packets forming the communications protocol, and to form digital data into one or more types of data packets, with at least one residing in the host device and being coupled to the client through the communications path. The interface provides a cost-effective, low power, bi-directional, high-speed data transfer mechanism over a short-range "serial" type data link, which lends itself to implementation with miniature connectors and thin flexible cables which are especially useful in connecting display elements such as wearable micro-displays to portable computers and wireless communication devices.
Owner:QUALCOMM INC
Device authentication and secure channel management for peer-to-peer initiated communications
ActiveUS20080235511A1Multiple keys/algorithms usageUser identity/authority verificationKey exchangeSignaling protocol
A method and system for providing secure access to a device initiating communications using a peer-to-peer signaling protocol, such as a SIP or H.323. In a device registration phase, the device contacts a secure access server, and authenticates to the secure access server by providing an identification, such as its factory ID. The secure access server then issues a device ID and private key to the authenticated device. A client can then initiate a further communication session and be authenticated by the secure access server. The secure access server returns the device identification and the device's public key to the client. The client and device can then perform a symmetrical key exchange for their current communication session, and can communicate with appropriate encryption. The device's private key can be set to expire after one or more uses.
Owner:BCE
Shared resources in a multi manager environment
ActiveUS20060026225A1Reduce network element performanceMultiple digital computer combinationsTransmissionInformation repositoryManagement information base
A method is described for controlling a shared resource for interconnecting two or more network domains being controlled by different Managers. Multiple Managers control the shared resource for the configuration of a segment of a connection between two different domains and the Managers cooperate in order to control dynamically the shared resource. Different network domains can be connected by a network element or by a link between different network elements belonging to the different network domains. In the first case the shared resource is a connection matrix of the network element, in the second case the shared resource includes the connection matrixes of the different network elements and the link between the network elements. A shared connection matrix includes some connection points for performing the cross-connections within the matrix: some connection points are controlled by one Manager, other connection points are controlled by another Manager and some shared connection points are controlled by both Managers. Multiple Managers control the shared resource by reading and writing information stored into a management information base, according to an explicit or implicit mode, or alternatevely by transmitting messages in the network directly between the Managers, according to a signalling protocol.
Owner:ALCATEL LUCENT SAS
Method and apparatus for media stream monitoring
ActiveUS7310334B1Data switching by path configurationNetwork connectionsSession Initiation ProtocolSignaling protocol
A network processing device is signaled to establish a media path with another network processing device in a packet switched network with Session Initiated Protocol (SIP), International Telecommunication Union (ITU) standard H.323, MGCP, Megaco, or some other signaling protocol. The network processing device receives a request to send information to an observer device that is not directly in the media path. The network processing device then sends information about the media path to the observer device.
Owner:CISCO TECH INC
Establishing and Modifying Network Signaling Protocols
InactiveUS20080270618A1Multiple digital computer combinationsTransmissionSignaling protocolClient-side
Owner:CISCO TECH INC
Authentication mechanisms for call control message integrity and origin verification
The present invention incorporates methodologies developed in the Internet Engineering Task Force (IETF) Internet Protocol Security (IPSEC) Working Group into asynchronous transfer mode (ATM) and frame relay (FR) signaling to provide message integrity and origin authentication. In one implementation the invention provides a virtual private network (VPN) infrastructure with call control message integrity, origin verification, and transit network filtering. The invention utilizes a set of control plane messages based on the IPSEC authentication header (AH) methodology to provide these security mechanisms for ATM and FR network switching equipment and signaling protocols. This abstract itself is not intended to limit the scope of this patent. The scope of the present invention is pointed out in the appending claims.
Owner:ALCATEL-LUCENT USA INC
Establishing and modifying network signaling protocols
Methods among nodes of a computer network for establishing a connection between the server and the client. A client node sends a session-invitation message to a server node. The session-invitation message is in a first protocol that establishes a channel between the client and the server according to parameters of the session-invitation message that specify characteristics of session in a second protocol. The server receives the session-invitation message, sends a provisional response back to the client, and holds in abeyance a success or failure response to the session-invitation, without establishing a channel at the level of the first protocol if no such channel is previously established, and without disrupting a channel at the level of the first protocol if such channel has been previously established.
Owner:CISCO TECH INC
Generating and implementing a communication protocol and interface for high data rate signal transfer
A data Interface for transferring digital data between a host and a client over a communication path using packet structures linked together to form a communication protocol for communicating a pre-selected set of digital control and presentation data. The signal protocol is used by link controllers configured to generate, transmit, and receive packets forming the communications protocol, and to form digital data into one or more types of data packets, with at least one residing in the host device and being coupled to the client through the communications path. The interface provides a cost-effective, low power, bi-directional, high-speed data transfer mechanism over a short-range "serial" type data link, which lends itself to implementation with miniature connectors and thin flexible cables which are especially useful in connecting display elements such as wearable micro-displays to portable computers and wireless communication devices.
Owner:QUALCOMM INC
Networkable power controller
InactiveUS6400103B1Telemetry/telecontrol selection arrangementsSpace heating and ventilation safety systemsDigital controlBuilding automation
A networkable power controller includes a mode selector for selectively conducting of a plurality of input signals to an output of the networkable power controller, where the input signals and the output signals satisfy the same signaling protocol. The networkable power controller may be networked with other networkable power controllers, lighting ballasts and other building automation control devices, and user-controlled voltage selectors to provide a lighting control network. A power controller may include a mode selector that may be used in combination with other control devices or components, including a rotary dimmer control, a digital slide dimmer control, a demand load shedder component, a photometer component, and a communications interface. The communications interface allows digital control of the networkable power controller.
Owner:POWER CIRCUIT INNOVATIONS
Graceful restart for use in nodes employing label switched path signaling protocols
ActiveUS7359377B1Avoid clearingError detection/correctionDigital computer detailsSignaling protocolLabel switching
When a node has to restart its control component, or a (e.g., label-switched path signaling) part of its control component, if that node can preserve its forwarding information across the restart, the effects of such restarts on label switched path(s) the include the restarting node are minimized. A node's ability to preserve forwarding information across a control component (part) restart is advertised. In the event of a restart, stale forwarding information can be used for an limited time before. The restarting node can use its forwarding information, as well as received label-path advertisements, to determine which of its labels should be associated with the path, for advertisement to its peers.
Owner:JUMIPER NETWORKS INC
Method for providing a user interaction dialogue (uid) prior to connection acceptance by the called user
InactiveUS20070019614A1Interconnection arrangementsNetwork connectionsSession Initiation ProtocolSignaling protocol
The invention relates to a method for the provision of a user interactive dialogue UID prior to connection acceptance service for telecommunication terminals in a communication network, wherein a media gateway controller forms a service switching point SSP. Parameters and signaling information necessary for controlling the UID prior to connection acceptance service are transmitted by conversion to the session initiation protocol SIP or are transmitted there from in a standard signaling protocol.
Owner:SIEMENS AG
Policy based quality of service
A flexible, policy-based, mechanism for managing, monitoring, and prioritizing traffic within a network and allocating bandwidth to achieve true quality of service (QoS) is provided. According to one aspect of the present invention, a method is provided for managing bandwidth allocation in a network that employs a non-deterministic access protocol, such as an Ethernet network. A packet forwarding device receives information indicative of a set of traffic groups, such as: a MAC address, or IEEE 802.1p priority indicator or 802.1Q frame tag, if the QoS policy is based upon individual station applications; or a physical port if the QoS policy is based purely upon topology. The packet forwarding device additionally receives bandwidth parameters corresponding to the traffic groups. After receiving a packet associated with one of the traffic groups on a first port, the packet forwarding device schedules the packet for transmission from a second port based upon bandwidth parameters corresponding to the traffic group with which the packet is associated. According to another aspect of the present invention, a method is provided for managing bandwidth allocation in a packet forwarding device. The packet forwarding device receives information indicative of a set of traffic groups. The packet forwarding device additionally receives information defining a QoS policy for the traffic groups. After a packet is received by the packet forwarding device, a traffic group with which the packet is associated is identified. Subsequently, rather than relying on an end-to-end signaling protocol for scheduling, the packet is scheduled for transmission based upon the QoS policy for the identified traffic group.
Owner:ARISTA NETWORKS
Generating and implementing a signal protocol and interface for higher data rates
ActiveUS20050021885A1Increase data rateEnergy efficient ICTPulse modulation television signal transmissionDigital dataDisplay device
A data Interface for transferring digital data between a host and a client over a communication path using packet structures linked together to form a communication protocol for communicating a pre-selected set of digital control and presentation data. The signal protocol is used by link controllers configured to generate, transmit, and receive packets forming the communications protocol, and to form digital data into one or more types of data packets, with at least one residing in the host device and being coupled to the client through the communications path. The interface provides a cost-effective, low power, bi-directional, high-speed data transfer mechanism over a short-range “serial” type data link, which lends itself to implementation with miniature connectors and thin flexible cables which are especially useful in connecting display elements such as wearable micro-displays to portable computers and wireless communication devices.
Owner:QUALCOMM INC
Dynamic route discovery for optical switched networks using peer routing
ActiveUS20050105905A1Multiplex system selection arrangementsOptical multiplexExchange networkEdge node
An architecture and method for performing dynamic route discovery and time slot reservation provisioning within optical-switched networks. The method employs extensions to the RSVP-TE signaling protocol, which uses various messages to reserve resources. Under a peer routing embodiment, routing trees and resource availability data are maintained by the edge nodes. A lightpath route is dynamically selected based on selection criteria applied to the routing tree data and the availability of resources along the lightpath. Link state information, including resource reservation data, is broadcast by the switching nodes to update the edge nodes of their resource availability. A resource reservation message is passed between nodes defined by an explicit route contained in the message, and resource availability is confirmed for the entire lightpath prior to confirming the resource reservations.
Owner:INTEL CORP
System, device, and method for establishing and removing a label switched path in a communication network
InactiveUS7023846B1Data switching by path configurationStore-and-forward switching systemsSignaling protocolLabel switching
A system, device, and method for establishing and removing a label switched path in a communication network uses a packet-driven mechanism rather than using an explicit signaling protocol to exchange label switching information from an upstream label switching device to a downstream label switching device. In order to establish a label switched path from the upstream label switching device to the downstream label switching device, the upstream label switching device allocates a new label for the label switched path, sets up the label switched path by adding the new label to its forwarding table, and forwards a labeled packet including the new label and an indicator indicating that the packet is labeled. Upon receiving the labeled packet from the upstream label switching device, the downstream label switching device sets up the label switched path by adding the new label to its forwarding table, and forwards the packet based upon network layer addressing information in the packet. In order to remove the label switched path, the upstream label switching device forwards unlabeled packets to the downstream label switching device, and both devices remove the label from its respective forwarding table.
Owner:RPX CLEARINGHOUSE
Sip-http application correlator
ActiveUS20090225760A1Data switching by path configurationNetwork connectionsMessage routingSignaling protocol
Owner:TELEFON AB LM ERICSSON (PUBL)
Method and apparatus for transporting packet data over an optical network
ActiveUS6985488B2Time-division multiplexStore-and-forward switching systemsFrame RelayTransport layer
A method, apparatus and network for transporting layer-2 frames, such as Ethernet MAC, ATM AAL5, and Frame Relay, over SONET, SDH, or OTN transport networks is disclosed. The method establishes “pseudo-wires” between, for example, SONET switches and directly on top of the SONET layer. The method may implement MPLS signaling protocols on traditional SONET switches for the purpose of aggregating layer-2 frames from the transport network edges, while the transport network itself is independent from IP and MPLS routing. This approach provides a number of advantages to the network carriers in terms of operation and equipment expense reduction. To enable the transport network to be independent from IP and MPLS, and avoid subsequent IP control message processing inside the networks, an edge-to-edge “tunneling” mechanism is designed to transmit control messages as a part of the SONET (or SDH or OTN) frame payload.
Owner:CIENA
System and method for interconnecting heterogeneous layer 2 VPN applications
InactiveUS20050044262A1Easy to optimizeDigital computer detailsStore-and-forward switching systemsPrivate networkInterconnection
Systems and methods for interconnecting heterogeneous layer 2 virtual private network applications. To facilitate such interconnections, a common addressing scheme for forwarders is provided. All current pseudowire signaling protocols can incorporate this addressing scheme, and therefore establish connectivity among forwarders of different applications. Auto-discovery of remote forwarders is also facilitated by use of a common address family identifier (and subsequent address family identifier) for BGP.
Owner:CISCO TECH INC
Graceful restart for use in nodes employing label switched path signaling protocols
InactiveUS20080192762A1Avoid clearingError preventionFrequency-division multiplex detailsSignaling protocolLabel switching
When a node has to restart its control component, or a (e.g., label-switched path signaling) part of its control component, if that node can preserve its forwarding information across the restart, the effects of such restarts on label switched path(s) the include the restarting node are minimized. A node's ability to preserve forwarding information across a control component (part) restart is advertised. In the event of a restart, stale forwarding information can be used for an limited time before. The restarting node can use its forwarding information, as well as received label-path advertisements, to determine which of its labels should be associated with the path, for advertisement to its peers.
Owner:JUMIPER NETWORKS INC
Method and apparatus for transporting packet data over an optical network
A method, apparatus and network for transporting layer-2 frames, such as Ethernet MAC, ATM AAL5, and Frame Relay, over SONET, SDH, or OTN transport networks is disclosed. The method establishes "pseudo-wires" between, for example, SONET switches and directly on top of the SONET layer. The method may implement MPLS signaling protocols on traditional SONET switches for the purpose of aggregating layer-2 frames from the transport network edges, while the transport network itself is independent from IP and MPLS routing. This approach provides a number of advantages to the network carriers in terms of operation and equipment expense reduction. To enable the transport network to be independent from IP and MPLS, and avoid subsequent IP control message processing inside the networks, an edge-to-edge "tunneling" mechanism is designed to transmit control messages as a part of the SONET (or SDH or OTN) frame payload.
Owner:CIENA
Scalable bluetooth multi-mode radio module
InactiveUS20050014468A1Overcome problemsReduce needMemory record carrier reading problemsNetwork topologiesTransceiverSignaling protocol
A system and method for integrating a plurality of short-range communication protocols, comprising a signaling protocol for enabling an enhanced host controller to share the use of an RF transceiver between a plurality of communication modules using a plurality of short-range communications protocols.
Owner:NOKIA CORP
Terminal-based server for location tracking
ActiveUS20050136942A1Easy to determineEasy to useRadio/inductive link selection arrangementsLocation information based serviceLocation trackingTerminal equipment
A mobile terminal device that facilitates location services (LCS) in a cellular network. The system, as embodied in a mobile terminal device, comprises a mobile communications component that communicates wireless signals, and a location services component embodied in the mobile communication component to provide positioning information. A location request is received by the mobile terminal device and processed using the LCS server to activate trigger events. A location-tracking report is autonomously generated for each event and transmitted to the requesting client via MLP or the wireless network signaling protocol.
Owner:WANTAGE TECH
Virtual loop carrier system with gateway protocol mediation
InactiveUS7164694B1Lower unit costReduction in service turn-up timeHybrid switching systemsTime-division multiplexSession Initiation ProtocolCarrier signal
A loop carrier system includes a home local area network having plural telephone modules and a hub coupled to in-home telephone wiring. The telephone modules and the hub communicate voice signals over the in-home wiring in a dedicated frequency band above baseband POTS. The hub converts between voice signals and voice packets and is connected to a network access device for transferring the voice packets from the home local area network to a telecommunications network which routes the voice packets to a gateway. The gateway converts between the voice packets and a circuit format compatible with a local digital voice switch. The gateway includes an ATM switch and a call processing adjunct coupled to the ATM switch. The call processing adjunct controls the conversion between voice packets and the circuit format at the ATM switch. The call processing adjunct communicates with the home local area network using a first signaling protocol such as Media Gateway Control Protocol, Session Initiation Protocol or H.323, and with the local digital switch using a second signaling protocol such as GR-303 for controlling call processing in the communication system.
Owner:CISCO TECH INC
Method and apparatus for relay zone bandwidth allocation
ActiveUS20080165719A1Network traffic/resource managementFrequency-division multiplex detailsCommunications systemSignaling protocol
A method and apparatus for allocation of channel resources for relay stations operating in a multihop wireless communication system is provided for herein. The method and apparatus includes a signaling protocol between a base station scheduler and a relay station scheduler so as to achieve efficient utilization of the sector channel resources, while minimizing signaling overhead due to base station-relay station scheduler interaction.
Owner:ARRIS ENTERPRISES LLC
Policy based quality of service
A flexible, policy-based, mechanism for managing, monitoring, and prioritizing traffic within a network and allocating bandwidth to achieve true quality of service (QoS) is provided. According to one aspect of the present invention, a method is provided for managing bandwidth allocation in a network that employs a non-deterministic access protocol, such as an Ethernet network. A packet forwarding device receives information indicative of a set of traffic groups, such as: a MAC address, or IEEE 802.1p priority indicator or 802.1Q frame tag, if the QoS policy is based upon individual station applications; or a physical port if the QoS policy is based purely upon topology. The packet forwarding device additionally receives bandwidth parameters corresponding to the traffic groups. After receiving a packet associated with one of the traffic groups on a first port, the packet forwarding device schedules the packet for transmission from a second port based upon bandwidth parameters corresponding to the traffic group with which the packet is associated. According to another aspect of the present invention, a method is provided for managing bandwidth allocation in a packet forwarding device. The packet forwarding device receives information indicative of a set of traffic groups. The packet forwarding device additionally receives information defining a QoS policy for the traffic groups. After a packet is received by the packet forwarding device, a traffic group with which the packet is associated is identified. Subsequently, rather than relying on an end-to-end signaling protocol for scheduling, the packet is scheduled for transmission based upon the QoS policy for the identified traffic group.
Owner:ARISTA NETWORKS
System and method of linking a wireless signaling protocol with a media gateway control protocol in a packet-based network
InactiveUS7120133B1Shorten the timeReduce data lossNetwork topologiesConnection managementCommunication unitCommunications system
A wireless office communication system including a multi-protocol wireless internet base station (WIBS) encompassing a base station controller (BSC), a mobile switch controller (MSC) and an ethernet interface module for coupling the WIBS to an existing internet protocol (IP) based network. The interface module provides for coupling the WIBS to an ethernet back-bone, a mobile communication unit and a public switch telephone network (PSTN). In one embodiment the wireless communication system includes wireless signaling logic and media gateway logic to enable the wireless office communication system to handle signal transmission between a mobile terminal and a media gateway. A virtual circuit identity code (VCIC) enables the base station to provide a virtual traffic path (VTP) to link communications between TIA / EIA-634 wireless signaling and media gateway control protocol (MGCP).
Owner:CISCO TECH INC
Method and system for interfacing a legacy circuit-switched network with a packet-switched network
InactiveUS6741695B1Interconnection arrangementsSpecial service for subscribersService profileSession Initiation Protocol
An interface engine that is communicatively connected to a packet-switched network and to a legacy circuit-switched network uses a call processing protocol, such as the session initiation protocol (SIP), for packet-switched network communications and uses a legacy signaling protocol, such as IS-41, for legacy circuit-switched communications. In response to a registration request initiated by a subscriber device on the packet-switched network, the interface engine obtains a service profile for the subscriber from a call processing system, such as a home location register (HLR), of the legacy circuit-switched network. Service parameters derived from the service profile and stored in a service database may be used to apply services on the packet-switched network for the subscriber device.
Owner:SPRINT SPECTRUM LLC
Vehicular electronics interface module and related methods
An interface module for interfacing on-board electronics in a vehicle with a radar device and / or camera. A plurality of data busses are configured for different signaling protocols, such as variable pulse width, pulse width modulated and ISO 9141. A data processor activates the data busses and selects the bus that is most compatible with the on-board electronics. Data is then received and translated to a form compatible with the radar device and / or camera. Typically, the data provided will be vehicle speed information which is used by the radar device to identify the best candidate in the radar Doppler return or is displayed with images taken by the camera. The speed information is also used to control the field of view of the camera, with wider angles of view used for lower speeds. Related methods are also disclosed.
Owner:DECATUR ELECTRONICS
Method for accessing a network and network access device
ActiveUS20130188634A1Inhibit functioningOptimizationEnergy efficient ICTData switching by path configurationNetwork access serverPrivate network
The invention provides for a method for accessing a virtual private network over a packet switched network, the method comprising sending, by a provider edge router, network labelling information about data packet labels to a network access device using a layer 2 network protocol. The method may be performed for accessing a hierarchical Virtual Private LAN Service network using a link layer distribution protocol as signalling protocol for Multi-Protocol Label Switching labels attached to data packets of the packet switched network.
Owner:ADVA OPTICAL NETWORKING SE
GSM signaling protocol architecture for an unlicensed wireless communication system
InactiveUS20060019658A1Network topologiesConnection managementCommunications systemService provision
An unlicensed wireless service is adapted to generate the interface protocols of a licensed wireless service to provide transparent transition of communication sessions between a licensed wireless service and an unlicensed wireless service. In one embodiment, a mobile station includes level 1, level 2, and level 3 protocols for licensed wireless service and an unlicensed wireless service. An indoor base station and indoor network controller provide protocol conversion for the unlicensed wireless service into a standard base station controller interface of the licensed wireless service.
Owner:RIBBON COMM OPERATING CO INC
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