Abstract: A network comprising a first layer processor (LP) configured to distribute a plurality of component communications to a plurality of component connections using a distribution table comprising a plurality of component communication identifiers (CCIDs) and the component connection associated with each CCID, a second LP configured to collect the packets from the component connections, and a composite connection coupled to the first LP and the second LP, wherein the composite connection comprises a plurality of the component connections and is configured to transport the component communications using the component connections, and wherein the distribution table and composite connection are configured such that component communications associated with at least the same CCID of a component communication takes the same path from the first LP to the second LP as from the second LP to the first LP.

Abstract: Systems and methods are provided for a distributed conferencing service through an internet protocol (IP) network. A plurality of tributary mixers are configured communicate with a master mixer or a plurality of master mixers, at least one of which communicates through the IP network. Each tributary mixer is configured to join one or more respective participants to the distributed conference, generate a first mixed media stream by mixing a plurality of ingress media streams from the respective participants, and receive a second mixed media stream from the master mixer. The second mixed media stream includes media from at least one other participant joined to the distributed conference through another of the tributary mixers. Each tributary mixer also provides egress media streams to its respective participants based on a control signal from the master mixer.

Abstract: A frame transfer apparatus includes a plurality of ports for transmitting and receiving frames which include transmitting source information and transmitting destination information. The apparatus further includes a processing unit to store information which relates the transmitting source information included in the received frame and port information of a port which receives the received frame, a frame transmitting unit to transmit the received frame via a port that is identified by the port information which corresponds to the transmitting destination information included in the received frame and is extracted from the information stored by the processing unit, and a learning information erasing unit to erase the information stored by the processing unit for every predetermined time.

Abstract: The present invention provides a preemptive priority scheduling system and method for optimal load balancing of messages and preserving the lightweight allocation resources in an intersystem communication. The invention also provides a system and method for scheduling of messages of a plurality of classes in an intersystem communication.

Abstract: Provided are a method and apparatus for providing an Internet Protocol Datacasting (IPDC) service. The IPDC service providing apparatus includes a data input unit generating an IP packet and signaling information of the IP packet; a packet generation control unit determining a type of an Internet Protocol Data Group (IPDG) packet that is to be generated by encapsulating the IP packet, on the basis of characteristics of the IPDC service; an IPDG packet generation unit generating an IPDG packet according to a data type of the IP packet, and generating an IPDG packet for the signaling information of the IP packet; a transfer stream packet generation unit generating the IPDG packet as a transfer stream packet; and a transfer unit transmitting the transfer stream packet. Accordingly, it is possible to provide an IPDC service while efficiently using a bandwidth, in a Digital Audio Broadcasting (DAB) system.

Abstract: In one embodiment, a method is provided. A first root node of a first Multipoint-to-Multipoint (MP2MP) Multi-Protocol Label Switching (MPLS) tree, advertises to a second root node of a second MP2MP MPLS tree a first label for the second root node to use to send multicast traffic to the first MP2MP MPLS tree. The first root node receives a second label from the second root node for the first root node to use to send multicast traffic to the second MP2MP MPLS tree. Communications are carried out between the first MP2MP MPLS tree and the second MP2MP MPLS tree using the first label and the second label. In another embodiment, apparatus are also provided.

Abstract: Systems and methods are described that manage routing information in an IP network using extensible indexing and use the indexing to control the network. The indexing and associated controls apply to any router within the routing domain.

Abstract: Methods and systems are provided for provisioning and managing network-based virtual private networks (VPNs). According to one embodiment, a routing configuration for each of multiple network-based customer VPNs is generated for multiple customers based on (i) site reachability information for multiple service processing switches and (ii) a global customer routing profile for a network-based customer VPN of the plurality of network-based customer VPNs. Multiple virtual routers (VRs) distributed among the service processing switches are provisioned to support the network-based customer VPNs based on the routing configurations. A custom routing profile, identifying one or more routing protocols to be used for one or more segments of the network-based customer VPN profile, is received for the network-based customer VPN.

Abstract: Provided is a network system including a traffic information aggregating apparatus connected to a router for transferring data in a network, and a monitor server connected to the traffic information aggregating apparatus. In the network system, the traffic information aggregating apparatus receives traffic information from the router, assigns an aggregation identifier to the received traffic information, creates aggregated information by aggregating the traffic information based on the assigned aggregation identifier and by statistically processing the traffic information, transmits the created aggregated information and the assigned aggregation identifier to the monitor server, and retrieves, upon reception of a retrieval request including the aggregation identifier from the monitor server, requested traffic information from the received traffic information, based on the aggregation identifier included in the received retrieval request.

Abstract: The present invention provides systems and methods which create an infrastructure/transport Pseudowire (PW) a priori between two Provider Edge (PE) devices. Accordingly, other PWs can be mapped to this transport PW. In an exemplary application, the transport PW (which is a MS-PW by itself) can start and end between two Switching Provider Edge (S-PE) devices and span across multiple S-PEs in between. In another exemplary application, the transport PW terminates between two Terminating Provider Edge (T-PE) devices spanning across all S-PEs in between. In a further exemplary application, the transport PW can start at a S-PE or T-PE and terminate at a T-PE or S-PE, respectively. The placement of the endpoints of the transport PW (on two PEs) determines the number of intervening S-PEs that benefit from this application.

Abstract: A packet switch contains a link state group manager that forms supergroups from multiple link aggregations. The link state group manager collects state information for the link aggregations in a supergroup, and uses state criteria to determine whether the link aggregations are allowed to be up, as a supergroup, for data traffic. This allows a supergroup of links to only come up when it meets a minimum performance criteria, with traffic routed around the supergroup when the supergroup cannot meet the minimum performance criteria, even if some link aggregations in the group are functional.

Abstract: An apparatus for routing data packets includes a network interface, a memory, a general purpose processor and a flow classifier. The memory stores a flow structure. Every packet in one flow has identical values for a set of data fields in the packet. The memory stores instruction that cause the processor to receive missing flow data and to add the missing flow to the flow structure. The apparatus forwards a packet based on the flow. The flow classifier determines a particular flow and whether it is already stored in the flow structure. If not, then the classifier determines whether that flow has already been sent to the processor as missing data. If not, then the classifier stores into a different data structure data that indicates the flow has been sent to the processor but is not yet included in the flow data structure, and sends missing data to the processor.

Abstract: A gateway device according to the present art includes a storage part that stores a list having identification information identifying another gateway device that is selectable as a move-destination gateway device; a receiving part that receives a call-out signal from a device located in a telephone network; a move-destination-gateway-device selecting part that selects a move-destination gateway device from the list; a re-direction notification generating part that generates a re-direction notification to be transmitted to the selected move-destination gateway device; a re-direction notification transmitting part that transmits the re-direction notification to the move-destination gateway device; a re-direction request signal generating part that generates a re-direction request signal including call identification information identifying the call-out signal; and a re-direction request signal transmitting part that transmits the re-direction request signal to the device located in the telephone network that t

Abstract: An apparatus for forwarding a frame according to a transfer condition includes a transfer-condition storage unit, a deleted-area data storage unit, and a transfer-condition searching unit. The transfer-condition storage unit stores therein, destination data that is likely to be included in the frame, area data indicating an area of destination indicated by the destination data, and the transfer condition in such a way that the area data and the transfer condition are associated with the destination data. The deleted-area data storage unit stores therein as deleted area data, the area data assigned to data to be deleted from the transfer-condition storage unit. The transfer-condition searching unit removes, from a search target, an area to which the deleted area data stored in the deleted-area data storage unit is assigned, to search, from the transfer-condition storage unit, for the transfer condition corresponding to the destination data included in the frame.

Abstract: A system and method for squelching a recovered clock in an Ethernet network. In one embodiment the invention provides a method for squelching a recovered clock in an Ethernet network comprising a local node coupled to a remote node by a link, the method including receiving a descrambler status signal, receiving a remote receiver status signal, receiving a link status signal, and squelching the recovered clock signal based on the descrambler status signal, the remote receiver status signal, and the link status signal.

Abstract: A switching device in a network system for transferring data includes one or more source line cards, one or more destination line cards and a switching fabric coupled to the source line cards and the destination line cards to enable data communication between any source line card and destination line card. Each source line card includes a request generator to generate a request signal to be transmitted in order to obtain an authorization to transmit data. Each destination line card includes a grant generator to generate and send back a grant signal to the source line card in response to the request signal received at the destination line card to authorize the source line card to transmit a data cell to the destination line card.

Abstract: Certain exemplary embodiments comprise a method, which can comprise providing a preferred route for a predetermined block of traffic to a router. The predetermined block of traffic can be destined for a predetermined destination. The predetermined destination can be coupled to a network via a plurality of routers. The preferred route can be adapted to override an initial route.

Abstract: A data processing system according to the invention comprising a group of at least a first and a second module, wherein each module has a data processing facility, a clock for timing data transmissions from the module to another module, a time-slot counter for counting a number of time slots which are available for transmission of data. The modules have a first operational state wherein the counted number of time slots is less than or equal to a predetermined number, in which operational state data transmission is enabled, and a second operational state wherein the number is in excess of the predetermined number, in which second operational state data transmission is disabled, Each module has a notifying facility for notifying when it is in the second operational state.

Abstract: A method and a system for transferring a PIM-address in an electronic formula of a PIM-application, based on a communication connection between end devices of subscribers in a communication system are provided. A communication system address, which identifies the second end device, detects user input of a first subscriber. The detected communication system-address is converted into a PIM address which identifies a second subscriber, the PIM-address to the PIM-application and the transferred PIM-address is input into a field of the electronic formula of the PIM-application.

Abstract: Example embodiments disclose a mobile communication terminal by which a user can recognize a reception-completed message among a plurality of transmission messages in a manner of searching a transmitted message by reading received transmission state data in the case of transmitting a plurality of multimedia messages sequentially from one terminal and outputting a transmission time or subject of the searched transmission message. Example embodiments also disclose transmitting the multimedia message via mobile communication network, storing transmission information including an ID of the transmitted multimedia message in a memory provided within a mobile communication terminal, receiving a multimedia message transmission confirmation message, comparing transmission information included in the received multimedia message transmission confirmation message to the information stored in the memory, and outputting a result of the comparison.