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51 results about "Connectionless communication" patented technology

Connectionless communication, often referred to as CL-mode communication, is a data transmission method used in packet switching networks in which each data unit is individually addressed and routed based on information carried in each unit, rather than in the setup information of a prearranged, fixed data channel as in connection-oriented communication.

Communication structure with channels configured responsive to reception quality

A communication structure and method which allows connection-like and connectionless communications to be provided on a multiplexed link is provided. The structure and method can make efficient use of available transmission capacity and / or network resources while providing for both types of communication. Connection-like communications can be provided by a channel having allocated bandwidth dedicated to the communication while connectionless communication can be provided by a shared channel through which data can be transmitted to subscribers. In an embodiment, the shared channel transmits frames of packets addressed to one or more of the subscribers. The frames can have a robustly packaged header that can be received by all subscriber stations serviced by the base station while payload data in the frame can be packaged with a level of robustness appropriate for the intended subscriber station. Different packagings can include different encoding and / or modulation of the payload data. The allocation of bandwidth between the dedicated channels and the broadcast channel can be fixed, or can be managed to meet network or network operator requirements. The structure and method can also be managed by the network operator to permit prioritization of some communications over others. In another embodiment, two or more shared channels are provided. In another embodiment, dedicated channels can be created with different amounts of bandwidth and / or can employ modulation and / or encoding selected according to the reception-quality of the recipient subscriber station.
Owner:TAIWAN SEMICON MFG CO LTD

Communication structure for multiplexed links

A communication structure and method which allows connection-like and connectionless communications to be provided on a multiplexed link is provided. The structure and method can make efficient use of available transmission capacity and / or network resources while providing both types of communication and hybrids. Connection-like communications can be provided by a channel having allocated transmission capacity dedicated to the communication while connectionless communication can be provided by a shared channel through which data can be transmitted to subscribers. In an embodiment, the shared channel transmits frames of packets addressed to one or more of the subscribers. The allocation of transmission capacity between the dedicated channels and the shared channel can be fixed, or can be managed to meet network or network operator requirements. The structure and method can also be managed by the network operator to permit prioritization of some communications over others. In another embodiment, two or more shared channels are provided.
Owner:SAMSUNG ELECTRONICS CO LTD

Connectionless communication system

<heading lvl="0">Abstract of Disclosure< / heading> The object of the present invention is accommodating local connectionless information (data that is immediately transferred without establishing a path to a receive side), such as LAN data in a local area network, by an asynchronous transfer mode (ATM) network using a connection-oriented communication system (which makes data transfers after verifying that a path to the receive side has been established), thereby performing efficient, fast routing of connectionless information. A connectionless communication system of the present invention is equipped with connectionless information cell assembly / disassembly means (30) for bi-directional conversion between variable-length connectionless information and fixed-length connectionless cells, routing control means (31) for analyzing a destination address of information in connectionless cells and controlling the routing of the connectionless cells; and an ATM network (32) for connecting the connectionless information cell assembly / disassembly means (30) and the routing control means (31) by a permanent virtual channel serving as a fixed path and connecting the routing control means together by a virtual channel serving as a semi-fixed path, whereby connectionless information is segmented into connectionless cells and the connectionless information is exchanged within the ATM network in connectionless cell units.
Owner:FUJITSU LTD

Communication structure with channels configured responsive to reception quality

A communication structure and method which allows connection-like and connectionless communications to be provided on a multiplexed link is provided. The structure and method can make efficient use of available transmission capacity and / or network resources while providing for both types of communication. Connection-like communications can be provided by a channel having allocated bandwidth dedicated to the communication while connectionless communication can be provided by a shared channel through which data can be transmitted to subscribers. In an embodiment, the shared channel transmits frames of packets addressed to one or more of the subscribers. The frames can have a robustly packaged header that can be received by all subscriber stations serviced by the base station while payload data in the frame can be packaged with a level of robustness appropriate for the intended subscriber station. Different packagings can include different encoding and / or modulation of the payload data. The allocation of bandwidth between the dedicated channels and the broadcast channel can be fixed, or can be managed to meet network or network operator requirements. The structure and method can also be managed by the network operator to permit prioritization of some communications over others. In another embodiment, two or more shared channels are provided. In another embodiment, dedicated channels can be created with different amounts of bandwidth and / or can employ modulation and / or encoding selected according to the reception-quality of the recipient station.
Owner:WI LAN INC

Telecommunication network based on distributed control

A telecommunication network based on distributed control, comprising a plurality of switch nodes having switch fabric devices containing switches for exchanging user information between subscriber lines and trunk lines, and signal devices for sending and receiving control signals through the subscriber lines and the trunk lines; a plurality of control nodes for controlling the switch nodes by sending and receiving control messages with the switch nodes; a control network for performing mutual message communications between the switch nodes and the control nodes; and an user information network for transferring the user information; wherein the control network connects the switch nodes and the control nodes by connection-type or connectionless communications, the control nodes and the switch nodes send and receive messages for communicating with other nodes through the control network, and each of the control nodes controls a plurality of switch nodes based on the control network routing messages to specified destination nodes in accordance with routing information in the messages.
Owner:NIPPON TELEGRAPH & TELEPHONE CORP

Monitoring system, apparatus to be monitored, monitoring apparatus, and monitoring method

The present invention is directed to enable a monitoring apparatus to reliably obtain information of an event which occurs in an apparatus to be monitored in a monitoring system employing a connectionless communication method. An apparatus to be monitored comprises: a first transmitting unit for transmitting first information as event information related to an event in the apparatus to be monitored to a monitoring apparatus by a connectionless communication method; and a second transmitting unit for transmitting second information as the event information to the monitoring apparatus by a communication method different from the connectionless communication method. The monitoring apparatus comprises: a first receiving unit for receiving the first information transmitted from the first transmitting unit; and a second receiving unit for receiving the second information transmitted from the second transmitting unit.
Owner:FUJITSU LTD
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