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| Number | Title | Issue Date |
| 6317415 | Method and system for communicating information in a network A communications system includes a plurality of network nodes including a first node having an interface unit. The interface unit includes a scheduler operable to schedule periodic transmission of a plurality of frames at respective designated times. Each... | 11/13/2001 |
| 6314096 | Packet switching system having self-routing switches In a packet switching system made up of a single or a plurality of switching nodes or local units each including a label conversion unit for accommodating a plurality of packet circuits and performing conversion into output port information of a switch on... | 11/06/2001 |
| 6314092 | Routing in a communications network A path between a selected first node and a selected second node is identified in a telecommunications network. A system cost is estimated for making a connection between the first node and the second node, a potential first intermediate note interconnecta... | 11/06/2001 |
| 6310880 | Content addressable memory cells and systems and devices using the same A content addressable memory cell 920 includes a first storage element 922a for storing information and a first transistor 921a for selectively transferring charge representing information from a first bitline 924a to the first storage element 922a. A sec... | 10/30/2001 |
| 6304570 | Distributed type switching system A switching system for integratedly switching voice, data, image information and the like. The switching system comprises a plurality of front-end modules each adapted to perform a switching processing in association with a subscriber line or a trunk line... | 10/16/2001 |
| 6304555 | IP switch, interface circuit and ATM switch used for IP switch, and IP switch network system In a system in which communication is performed among a plurality of devices having a mechanism of disassembling a packet into ATM cells to send them and a plurality of devices having a mechanism of assembling the received ATM cells into the packet, a fra... | 10/16/2001 |
| 6304572 | Method, system and apparatus for telecommunications control The present invention includes a method, system, and apparatus for providing communication control. The invention includes a method in which signaling is processed externally to a switch before it is applied by the network elements. The processor is able ... | 10/16/2001 |
| 6301267 | Smart switch A method for increasing the total capacity of a network, the network including a first plurality of communication edges interconnecting a second plurality or communication nodes, the first plurality of communication edges and the second plurality of commu... | 10/09/2001 |
| 6301261 | Communication method and communication system First, communication data are transmitted from an arbitrary originating source communication device to the other plural destination communication devices. When receiving the communication data, the respective destination communication devices which receiv... | 10/09/2001 |
| 6298044 | Method and apparatus for determining if overloaded collision domains can be split to enhance network The present invention provides an optimization tool that utilizes traffic data across collision domain boundaries to provide suggestions as to how the network should be changed to achieve an optimal network topology. The optimization tool identifies colli... | 10/02/2001 |
| 6298061 | Port aggregation protocol A port aggregation protocol (PAGP) dynamically aggregates redundant links between two neighboring devices in a computer network through the exchange of aggregation protocol data unit (AGPDU) frames between the two devices. Each AGPDU frame contains a uniq... | 10/02/2001 |
| 6298234 | System and method for providing access to the internet via a radio telecommunications network A system and method of providing Internet access to a roaming mobile subscriber located in a visited service area served by a serving MSC of a radio telecommunications network. The radio telecommunications network includes a home service node which compri... | 10/02/2001 |
| 6298060 | Layer 2 integrated access scheme An L2 integrated access (L2IA) system is constructed from: L2IA subscribers for supporting communications between user terminals using various communication media, each L2IA subscriber having an L2IA identifier for uniquely identifying each L2IA subscribe... | 10/02/2001 |
| 6289021 | Scaleable low-latency switch for usage in an interconnect structure A scalable low-latency switch extends the functionality of a multiple level minimum logic interconnect structure for usage in computers of all types, networks and communication systems. The multiple level minimum logic interconnect structure employs a dat... | 09/11/2001 |
| 6289025 | Systems and methods for multiple mode voice and data communications using intelligently bridged TDM and packet buses and methods for performing telephony and data functions using the same Systems and methods by which voice/data communications may occur in multiple modes/protocols are disclosed. In particular, systems and methods are provided for multiple native mode/protocol voice and data transmissions and receptions with a computing syst... | 09/11/2001 |
| 6278712 | Network and switching node in which resource can be reserved A user terminal sends a resource reservation request message in which time information indicative of time to perform a communication is designated to a switching node to which the self user terminal is linked. The switching node manages a reservation stat... | 08/21/2001 |
| 6275492 | Method and apparatus for routing data using router identification information A system for routing data through a network determines whether router identification information is associated with the data. The system then identifies a next hop router from a router table if router identification information is associated with the data... | 08/14/2001 |
| 6272139 | Signaling protocol for rerouting ATM connections in PNNI environments A method in a connection based communication network for rerouting a call connection path coupling a calling and a called party. Rerouting is done within a peer group and may be performed in any peer group level along the connection path. The method allow... | 08/07/2001 |
| 6269098 | Method and apparatus for scaling number of virtual lans in a switch using an indexing scheme A network switch configured for switching data packets across multiple ports uses an address table to generate frame forwarding information. The address table includes a virtual local area network index field. A decision-making engine receives a VLAN ID f... | 07/31/2001 |
| 6262984 | Method of preventing overlapping branches in point to multipoint calls in PNNI networks A method that provides a solution to the problem of overlapping branches in a point to multipoint call. The method is suitable for both Leaf Initiated Joins (LIJ) and existing point to multipoint call. The method has applications when adding a new leaf to... | 07/17/2001 |
| 6262987 | System and method for reducing latencies while translating internet host name-address bindings In a distributed network of host computers, a system and method are provided for translating names and addresses of the host computers. The names of a substantial number of all of the host computers of the network are collected by probing the network from... | 07/17/2001 |
| 6259700 | Electronic commerce distributed network and method An electronic commerce distributed network is disclosed that includes a plurality of interconnected processing nodes. Each processing node (50) includes a first sub-node (52) and a second sub-node (54) that are connected to communicate information and are... | 07/10/2001 |
| 6252858 | Method and apparatus for building network configuration database A method and apparatus for building network configuration database, which eliminates manual data collection and verification tasks and thereby reduces the time and labor costs related to such tasks. A device data collection unit requests a plurality of tr... | 06/26/2001 |
| 6252878 | Switched architecture access server A communication system includes an access server that communicates information between a wide area network (WAN) and a local area network (LAN). The access server includes a WAN interface, a switch fabric, a number of route processors, and a LAN interface... | 06/26/2001 |
| 6246669 | Method and system for optimizing connection set-up operations in a high speed digital network In a high speed digital network including access nodes and network nodes each having topology data bases, a method for optimizing the connection set-up operations required for connecting a calling end-user attached to a local access node to a destination ... | 06/12/2001 |
| 6246879 | Methods of sharing capabilities information between the nodes of telecommunications network A method of sharing capabilities information between a plurality of nodes in a telecommunications network. The method begins when a new node is installed in the telecommunications network or the capabilities of a node are modified. The new or modified nod... | 06/12/2001 |
| 6246683 | Receive processing with network protocol bypass An adapter is provided with intelligence that allows it to separate the header parts of a packet being received from the payload it carries, and in most cases move the payload directly into a destination buffer at the application layer or file system laye... | 06/12/2001 |
| 6243398 | System and method for personal multimedia communication over a packet switched network A method for communicating between users which employ a plurality of communication devices over a packet switched network. The method includes the steps of receiving a precommunication request for a communication device or devices of said recipient to whi... | 06/05/2001 |
| 6236642 | Apparatus and method for network resource preservation A data routing system for dynamically optimizing bandwidth which includes a network control unit, a route comparator, a reroute control unit and a packet reordering unit. The network control unit reserves the initial route from the source node to the end ... | 05/22/2001 |
| 6236657 | Point-to-multipoint connections For distributive services in telecommunications networks, and in particular methods for establishing point-to-multipoint connections and multipoint-to-point connections as well as methods of releasing these types of connections. Program distribution to se... | 05/22/2001 |
| 6229791 | Method and system for providing partitioning of partially switched networks The invention provides that each of the components (i.e., switches, LAN segments, and workstations) is treated as a node for placement in a tree structure topology, with one switch at the top of the tree. Each switch may have other switches or LAN segment... | 05/08/2001 |
| 6229814 | Digital switch-resistant multi-circuit line card providing direct connection to remote terminal A multi-circuit emulating line card is installable in a single line card slot of the backplane of digital switch, and is configured to emulate the functionality of each of a plurality of digital switch line cards, respectively associated with plural digit... | 05/08/2001 |
| 6229802 | Method for packet switched data transmission The invention relates to a method, a network node and a data transmission system for packet-switched data transmission in a data transmission network that comprises at least two network nodes (DXT, BS) for receiving and transmitting packets. The packets (... | 05/08/2001 |
| 6226272 | Meter-rate billing system on a LAN system A meter-rate billing system is disclosed in which billing is performed according to an interval while a subscriber uses a network actually, without any exclusive device. The meter-rate billing system on a LAN system for controlling connections to other ne... | 05/01/2001 |
| 6226673 | Data distribution method and apparatus and computer program This invention is to autonomously control reduction of wide-area traffic by sharing the same stream among nodes while avoiding distribution route localization due to route selection at the network level, and efficiently distribute a real-time data stream ... | 05/01/2001 |
| 6222845 | System and method for providing unitary virtual circuit in digital network having communication links of diverse service types A network for transferring information among a plurality of digital devices includes a plurality of switching nodes interconnected by communication links. Each of the digital devices is connected to one of the switching nodes over additional ones of commu... | 04/24/2001 |
| 6222839 | Packet switching apparatus The invention effectively avoids a CPU congestion in a packet switching apparatus. For this purpose, a packet switching apparatus of the invention comprises an AAL part connected with an ATM communication network where communication is performed in packet... | 04/24/2001 |
| 6215771 | Traffic routing in a telecommunications network A telecommunications network comprising a plurality of nodes interconnected via communications paths is configured by the determination of a routing plan for the traffic carried by the network. A set of possible paths, e.g. the eight shortest paths betwee... | 04/10/2001 |
| 6212190 | Method and system for generating data packets on a heterogeneous network An improved method and system for generating packets for transmission over different routes on a network is presented. In a large network such as the Internet, each route over the network carries different size packets which are not compatible unless they... | 04/03/2001 |
| 6212188 | Method of source routing in an asynchronous transfer mode network when a node is in an overload state A method of performing source routing when a node is in the overload state. A node in the overload state cannot perform routing functions in response to a SETUP message for destinations other than its directly connected neighbors. Instead, the node forwar... | 04/03/2001 |
