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6724770 |
Multicast protocol with reduced buffering requirements
A scalable multicast protocol buffers the multicast messages at a subset of “C” members, where C is selected to reduce to an acceptable level the probability that a given message will be lost...
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6721318 |
Extending router functionality to report static group membership
A router is configured with a static membership to a multicast group address and is capable of transmitting a message reporting the static membership to another router.
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6721297 |
Method and apparatus for providing IP mobility for mobile networks
An IP mobility solution for mobile network(s) that combines features of IP multicast and mobile IPv6. The mobile network defines a mobile router ( 106 ) attached to one or more mobile network hosts...
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6718387 |
Reallocating address spaces of a plurality of servers using a load balancing policy and a multicast channel
A method for load balancing including creating a network, having a plurality of servers, to service a single multicast address using a source specific join, where the source specific join allows...
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6711172 |
Network packet routing
A method of routing network packets to a border router joining different network domains includes defining a range of addresses for the border router in a router forwarding table, receiving a...
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6711163 |
Data communication system with distributed multicasting
A bridge provides distributed multicast forwarding with sub-interface granularity. Forwarding decisions on multicast data packets transmitted on the bridge backplane are made by network interfaces...
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6707801 |
Method and apparatus for data transport in a wireless communication system
Method and apparatus for data packet transport in a wireless transmission system supporting broadcast transmissions. Broadcast streams are provided in IP packets routed to a subscriber group. The...
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6704576 |
Method and system for communicating multimedia content in a unicast, multicast, simulcast or broadcast environment
The invention provides a system and method in which users may join a communication mode such that the multimedia content received by the user is closely matched to a predefined profile. The content...
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6697349 |
System and methods for distributed connection and mobility processing in a multicast IP network incorporating multi-cell location areas
A wireless communication system 200 comprises a connectionless packet network 201 coupled to a plurality of sites 203-208 that are in location areas 260, 261 . The sites join respective...
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6690643 |
Method of rerouting connection in multipoint connection
In a communication network system that is capable of multipoint connection from one switch to a plurality of other switches, to provide an efficient method of rerouting connection in multipoint...
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6687264 |
Method for reassigning channels during transmission of IEEE-1394 isochronous data to external synchronous network and apparatus therefor
A method for reassigning channels during the transmission of IEEE-1394 isochronous data to an external synchronous network and an apparatus therefor are provided. The method for reassigning...
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6680918 |
Intra-train communication network
An intra-train communication network comprising a plurality of transceiver units on individual vehicles of the train. A master unit initially transmits queries, including a first ID from a first...
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6677864 |
Method for multicast over wireless networks
Multicast data in a wireless network is encoded with FEC codes where K information symbols are encoded into N transmission symbols, N>K, where K−N represents redundancy, such that reception...
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6665722 |
Store-and-forward packet radio system and method
A communication device sends a message to one or more recipients in a communications network. The communication device retrieves device identifiers from a list of device identifiers stored in a...
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6661788 |
Multicast scheduling for a network device
A method and apparatus are provided for scheduling multicast data in an input-queued network device. According to one aspect of the present invention, deterministic and bounded delay for high...
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6647020 |
Methods for implementing a talkgroup call in a multicast IP network
Systems and methods for implementing dispatch calls using IP multicasting protocols are disclosed. The methods include utilizing a payload multicast group address for distributing payload, and...
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6636524 |
Method and system for handling the output queuing of received packets in a switching hub in a packet-switching network
A method and system is provided for use on a switching hub in a packet-switching network for handling the output queuing of received packets in the switching hub to be more efficient and...
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6633579 |
Efficient method for storing multicast trees
A system for multicasting. The system includes a network comprising nodes and links connecting the nodes. The system includes a mechanism for forming a multicast connection which does not have...
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6633600 |
Traffic lights in a code division multiple access (CDMA) modem
A spread spectrum code division multiple access communication system has a plurality of traffic channels. A plurality of traffic lights have a red state and a green state. Each traffic light is...
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6628646 |
Programmable multicast scheduling for a network device
A method and apparatus are provided for scheduling unicast and multicast data in an input-queued network device. According to one aspect of the present invention, multicast scheduling is triggered...
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6625773 |
System for multicast communications in packet switched networks
A multicast communication system for small groups using a protocol to indicate to routers receiving a packet according to the protocol to perform the following process: (1) determining a next hop...
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6618373 |
Method and system for reliable in-order distribution of events
A system and method for maintaining reliable in-order event distribution using multicast are described. A trigger event is sensed and a multicast payload containing a plurality of queued events and...
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6611528 |
Hierarchical routing knowledge for multicast packet routing
The invention provides a method and system for multicast packet routing, in which only selected routers in a network subset (in a preferred embodiment, those routers on the border of the domain)...
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6611521 |
Data link layer extensions to a high latency wireless MAC protocol
The invention provides a method for communication between a plurality of stations in a communication network using media access protocol, in which medium access is granted to stations obtaining a...
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6608837 |
Data carousel franchise provisioning
Data is provisioned from a data carousel in the head end of a broadband data distribution system covering a plurality of franchises. The data destination is based on the franchise to which a...
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6606317 |
Dual key controlled content addressable memory for accessing packet switch data buffer for multicasting data packets
An output port centric digital data management architecture for a high speed packet switch employs a dual key-based content addressable memory (CAM)-based buffer access control mechanism for...
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6603772 |
Multicast routing with multicast virtual output queues and shortest queue first allocation
The invention includes a method and apparatus for routing multicast traffic with better performance and reduced Head of Line blocking. This is achieved by means of the use of multiple virtual...
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6597703 |
System, device, and method for reducing multicast forwarding states in a multicast communication system
A system, device, and method for reducing multicast forwarding states in a multicast communication system maintains forwarding states in such a way that the non-default forwarding states have...
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6590885 |
IP-flow characterization in a wireless point to multi-point (PTMP) transmission system
The present invention is directed to a packet-centric wireless point to multi-point telecommunications system, including: a wireless base station coupled to a first data network; one or more host...
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6587471 |
Methods, systems and computer program products for suppressing multiple destination traffic in a computer network
Methods, systems and computer program products are provided which control message storms in a network by classifying multiple destination messages into a plurality of broadcast message classes...
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6580722 |
Bypassing topological restrictions with tunnels
Data units are tunneled through topological restrictions that reside in a path between a first network device and a second network device. For example, a remote network device that resides outside...
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6570857 |
Central multiple access control for frequency hopping radio networks
A system comprises a wireless master unit and one or more wireless slave units, each having a unique identifier. When a wireless slave unit is active, it is addressed by one of a limited number of...
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6567929 |
Network-based service for recipient-initiated automatic repair of IP multicast sessions
A system and method provide for recipient-initiated automatic repair of IP multicast sessions. A multicast application on a receiver issues a request to join an IP multicast session “X”. A...
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6563840 |
Broadcast message transmitting and receiving method in a mobile communication system
This invention relates to the methods for transmitting and receiving the broadcast message in a mobile communication system. According to the present invention, the broadcast message is...
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6563821 |
Channel bonding in a remote communications server system
A remote communications server system enables multiple remote users simultaneous access to a network through a segmented design that distributes the processing of the connections among a...
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6563822 |
Data Transferring method
A data transferring method in which predetermined terminals within a subnet multicasts resending requests and resending data and terminals other than the predetermined terminals within the same...
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6560236 |
Virtual LANs
A network device for interconnecting computer networks, the device including a bridge having a plurality of ports through which network communications pass to and from the bridge, the bridge also...
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6556835 |
Implementation of multicast messaging in a mobile telecommunications network
In a method for multicasting in a radio network, having at least one base station and multiple mobile terminals, the broadcast message is broadcast from the base station, and the broadcast message...
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6549516 |
Sending instructions from a service manager to forwarding agents on a need to know basis
A system and method are described for providing instructions for forwarding packets. The method includes broadcasting a general instruction specifying a plurality of flows to a plurality of...
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6542514 |
Broadcast communication system and broadcast communication method
A broadcast communication system comprises a transmitting terminal which is effective to transmit broadcast data and a start time of the broadcast data. A first message processing device receives...
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6542502 |
Multicasting using a wormhole routing switching element
The invention is a replication method that requires only one copy of a packet entering a multiport switch to be transmitted from the input port, the method acquiring the deadlock avoidance...
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6539022 |
Network device with multicast forwarding data
A system and method are disclosed for routing multicast packets in a subnetwork so as to conserve bandwidth in at least some of the network segments or collision domains of the subnetwork. In...
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6532227 |
General packet radio service
A method for quickly de-allocating physical channels (PDCH) assigned to packet switched calls in a GPRS supporting GSM digital cellular telephone network. An PDCH de-allocation RLC/MAC control...
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6532233 |
Multicast communication method and apparatus
A multicast communication apparatus includes a center station and subscriber stations. Each station includes input/output ports, and a section for layer- 2 bridging between the ports in a 7-layer...
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6529119 |
Establishment of communications with a selected device in a multi-device environment
A method and apparatus are described that allows a wireless device to detect and initiate communications with a selected second wireless device in a multi-device environment. Initiation of...
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6529530 |
Multiplex communicating method
When a CPU core 53 of a node detects change of data which comes into the node from a load 60 connected thereto on the input side, and thereby the CPU core 53 and a transmission control...
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6526027 |
Broadcast short message service execution method in a mobile communication system
A system and method for managing the communication of information in a mobile network allocates a currently unoccupied, reserve paging channel as a dedicated channel for receiving short message...
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6522635 |
Communication protocol for satellite data processing
A communication system includes a communication switching office having a transceiver for receiving/transmitting a message from/to a data terminal using a communication system, and a management...
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6515994 |
Method of communication in a communications network and apparatus therefor
A method of communication in a communications network permitting efficient asynchronous file transfer from a server to a multiplicity of clients. The method is adaptable to future multicasting,...
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6515991 |
Combined unicast and multicast scheduling
A method and system for combined unicast and multicast scheduling. Data cells are assigned at each input to one unicast input queue for each output or to a single multicast input queue. Each input...
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