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| Number | Title | Issue Date |
| 6477582 | Method and apparatus for conservative link selection A method is described for path selection in communications networks with multiple QoS metrics. This method takes an additive metric (say, cost) as a path minimization target and a concave metric (say, bandwidth) as a minimum requirement for each link. A p... | 11/05/2002 |
| 6477144 | Time linked scheduling of cell-based traffic A node in a packet network such as an ATM network receives a plurality of traffic classes and outputs them to an output link. The invention relates to a technique of scheduling the traffic classes in a time linked fashion at the node based on the bandwidt... | 11/05/2002 |
| 6473402 | Communications link interconnecting service control points of a load sharing group for traffic management control In the Intelligent Networks environment, where multiple Service Providers and multi-Vendor equipment are involved in new service offering, the risk of overloading the network elements are real and managing the traffic is a challenge. Network traffic overl... | 10/29/2002 |
| 6473397 | Add/drop multiplexer and method, and Bi-directional line switcher ring featuring such multiplexers An improved add/drop multiplexer in which groups of working channel tributaries have associated groups of protection channel tributaries is provided. Traffic is added by receiving it from an external service, and transmitting it on a configured group of w... | 10/29/2002 |
| 6449643 | Access control with just-in-time resource discovery An access control system for a network manager system provided with a plurality of building blocks (BBs), each specialized for executing a plurality of functions on a plurality of resources of the network, and with a graphical user interface (GUI). Each B... | 09/10/2002 |
| 6418473 | Multimedia clent and server A server provides a channel for previewing multimedia and a plurality of full screen multimedia channels. A client displays plural preview screens representing available multimedia channels from the server. Selection of a particular one of the plural prev... | 07/09/2002 |
| 6404735 | Methods and apparatus for distributed control of a multi-class network Methods and apparatus for control of a multi-class digital network are described. The network supports a plurality of digital services using dynamically-configured service bands to support various transport modes and qualities of service. Flexible control... | 06/11/2002 |
| 6381246 | Telephony system and method of signalling A telecommunication system and method of signalling are disclosed which enable service providers to integrate broadband network capability into their existing narrow band networks while being substantially transparent to existing narrow band signalling in... | 04/30/2002 |
| 6356546 | Universal transfer method and network with distributed switch A method and a network for a universal transfer mode (UTM) of transferring data packets at a regulated bit rate are disclosed. The method defines a protocol that uses an adaptive packet header to simplify packet routing and increase transfer speed. The pr... | 03/12/2002 |
| 6345037 | Method and apparatus for auto detection of AAL5 type frames In Asynchronous Transfer Mode (ATM) communications networks, certain congestion control features, such as Partial Packet Discard (PPD) and Early Packet Discard (EPD), operate on ATM cells that have been segmented from ATM Adaptation Layer #5 (AAL5) frames... | 02/05/2002 |
| 6339488 | Large scale communications network having a fully meshed optical core transport network A fully meshed telecommunications network based on an optical core transport network having a plurality of optical nodes is described. An electronic edge switch is connected to an optical node and dedicated channels are established between all the possibl... | 01/15/2002 |
| 6330226 | TCP admission control Congestion at a network node can be aggravated by having too many TCP connections. A simple method of avoiding the bad effects of too many TCP connections is to limit the number of connections. Limiting the number of connections is achieved by an admissio... | 12/11/2001 |
| 6327675 | Fault tolerant system and method A fault tolerant modular computing or communications system is disclosed. The system comprises a plurality of primary processing modules and at least one spare module. These modules are preferably interconnected with a data network to switch and process n... | 12/04/2001 |
| 6304552 | Memory and apparatus for input based control of discards in a lossy packet network The present invention relates to a lossy switch for processing data units, for example IP data packets. The switch can be implemented as a contained network that includes a plurality of input ports, a plurality of output ports and a lossy switch fabric ca... | 10/16/2001 |
| 6301244 | QoS-oriented one-to-all route selection method for communication networks A method is described for one-to-all route selection in Communications Networks with multiple QoS metrics. This method takes a first metric (say, delay) as a constraint and a second metric (say, cost) as an optimization target. A potential objective is to... | 10/09/2001 |
