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| Number | Title | Issue Date |
| 8139570 | Balanced bufferless switch A high capacity distributed switching system comprises electronic edge nodes connected to a balanced bufferless switch which may be electronic or optical. The balanced bufferless switch comprises a balanced connector and a switch fabric. The balanced connector compr... | 03/20/2012 |
| 8130753 | Two-dimensional circulating switch A one-dimensional circulating switch may be defined by connections between several switch modules and one or more temporal cyclic rotators. Where a switch module that is part of a first one-dimensional circulating switch is also connected one or more temporal cyclic... | 03/06/2012 |
| 7995569 | Virtual routers for GMPLS networks Virtual routers that abstract photonic sub-domains are provided for GMPLS networks. A virtual router uses a link viability matrix to keep track of the set of viable connections between inputs and outputs of a photonic sub-domain. A virtual router may receive RSVP-TE... | 08/09/2011 |
| 7839842 | Method and system for a range reduction scheme for user selection in a multiuser MIMO downlink transmission Various aspects of a method and a system for a range reduction scheme for user selection in a multiuser MIMO downlink transmission are presented. Aspects of a system for range reduction may comprise a range reduction processor that determines a plurality of channel ... | 11/23/2010 |
| 7817627 | Large-scale packet switch A switching node comprises edge nodes interconnected by independent switch units. The switch units are arranged in at least one switch plane and the switch units of each switch plane are arranged in a matrix having several rows and several columns. Each edge node ha... | 10/19/2010 |
| 7760716 | Large-scale packet switch A packet switch that scales gracefully from a capacity of a fraction of a terabit per second to thousands of terabits per second has edge nodes interconnected by independent switch units. The switch units are arranged in a matrix having multiple rows and multiple co... | 07/20/2010 |
| 7693142 | Scalable router-switch A scalable router-switch comprises a plurality of switch units each having consolidation means for data disassembling and reassembling. The switch units are arranged into switch modules and the switch units of each switch module are interconnected through a dual rot... | 04/06/2010 |
| 7688814 | Methods of conveying information using fixed sized packets Communication protocols, systems, and methods that facilitate communication between disaggregated elements, and also to devices adapted to function as such disaggregated elements, particularly across peer-to-peer (masterless) and include one or more unique features ... | 03/30/2010 |
| 7620039 | Device for use in a communication network router to select routing information A routing information management device for a router of a communication network comprises a first routing information base fed with routing information contained in routing protocol messages, a second forwarding information base having a maximum number of entries, a... | 11/17/2009 |
| 7602772 | High density optical network access switch In one example, an optical network access switch includes independent first and second banks of individually selectable optical inputs, as well as independent first and second groups of individually controllable optical outputs. A first multiplexer is connected to t... | 10/13/2009 |
| 7602771 | Two-dimensional circulating switch A one-dimensional circulating switch may be defined by connections between several switch modules and one or more temporal cyclic rotators. Where a switch module that is part of a first one-dimensional circulating switch is also connected one or more temporal cyclic... | 10/13/2009 |
| 7580404 | Reconfigurable compute engine interconnect fabric A reconfigurable compute engine interconnect fabric includes a reconfigurable interconnect layer (24, FIG. 2) between an application layer (22) and a physical layer (26) which identifies the input and output pins for the engine and their ... | 08/25/2009 |
| 7519053 | Multi-speed rotorswitch A multi-grained high-performance rotorswitch scaling to high capacities is disclosed. In one embodiment, the rotorswitch comprises common-memory switch modules each of which cyclically accessing each other switch module for an access interval of a predefined value a... | 04/14/2009 |
| 7440448 | Systems and methods for upgradeable scalable switching The creation of a variety of upgradeable scalable switching networks are set forth including multistage switching networks as well as novel multidirectional architectures. Systems and methods exploiting the properties such as fault tolerance, upgradeability with out... | 10/21/2008 |
| 7394754 | System and method for transmitting data in a multiple-branch transmitter-diversity orthogonal frequency-division multiplexing (OFDM) system A system and method for transmitting data in multiple-branch transmitter-diversity OFDM systems is presented. In one embodiment, an approach is taken where an inverse Fourier transform (IFT) is performed on data prior to encoding the data for transmission in the mul... | 07/01/2008 |
| 7394806 | Distributed space-time-space switch A wide-coverage, high-capacity, switching network is modeled after a classical space-time-space switch. In the switching network, each of the space stages comprises geographically distributed optical space switches and the time stage comprises a plurality of geograp... | 07/01/2008 |
| 7369547 | Group restart for scalable switched ATM networks The present invention relates to group restart in switched ATM networks. In accordance a method of one embodiment of the present invention, a first network switch receives a message (e.g., a call setup message) at one of a plurality of interfaces to the first networ... | 05/06/2008 |
| 7366166 | Data switching using soft configuration Network data switching comprises receiving a cell, associating the cell with a destination port, selecting an egress link that has been soft configured to be associated with the destination port, and switching the cell to the selected egress link. A network switch c... | 04/29/2008 |
| 7366173 | Method for distributing calls to a group of end points A switching apparatus distributes incoming calls to end point terminals that belong to a service group and that interact with the switching apparatus via messages. The messages query the end point terminals by specifying a range and asking those end point terminals ... | 04/29/2008 |
| 7362717 | Method and system for using distributed name servers in multi-module fibre channel switches A method for processing a Get Identifier (“GI_A”) command received by a switch module of a multi-module fiber channel switch with a plurality of switch modules is provided. The method comprises determining if a domain value in the GI_A command is that of the mul... | 04/22/2008 |
| 7359396 | Optical-core network with selective signal queueing A core network shared by a large number of edge nodes comprises core nodes interconnected by core channels. Selected core channels are provided with buffers to enable temporal alignment of signals arriving at any core node from several other core nodes. A buffer may... | 04/15/2008 |
| 7355966 | Method and system for minimizing disruption in common-access networks A method and fibre channel switch element is provided for isolating a defective device that is coupled to a fibre channel arbitrated loop. The method includes, isolating a port if a loop initialization primitive (“LIP”) is detected from a device coupled to the a... | 04/08/2008 |
| 7356030 | Network switch cross point A switching fabric having cross points that process multiple stripes of serial data. Each cross point includes a plurality of port slices and ports. Each port includes a plurality of FIFOs, a FIFO read arbitrator, a multiplexer, a dispatcher, and an accumulator. In ... | 04/08/2008 |
| 7352701 | Buffer to buffer credit recovery for in-line fibre channel credit extension devices A method and system for credit recovery of lost frames and R_RDYs in an in-line credit extender is provided. The method includes, comparing received frame count and a programmable counter value when BB_SCs are received; loading the difference between the frame count... | 04/01/2008 |
| 7352781 | Dual backplane rate, triple OC3 service unit A system for intercommunicating data traffic provides the capability to connect external interfaces that use one third or less of the OC3 bandwidth capacity in a reduced bandwidth mode that reduces system cost, while automatically switching to the full bandwidth mod... | 04/01/2008 |
| 7349388 | Buffered crossbar switch and its method of operation The present invention relates to a buffered crossbar switch and its method of operation which provides a step of changing the size and/or number of queuing buffer entries to ensure optimum buffer memory usage independent of the size of data packets processed. ... | 03/25/2008 |
| 7343622 | Multi-level secure multi-processor computer architecture A multi-level secure multi-processor computer architecture. The inventive architecture provides an inexpensive security solution for integrated avionics and includes a plurality of nodes. The nodes are connected via a switch in a network configuration over which dat... | 03/11/2008 |
| 7342922 | Multi-stage switching for networks Techniques for multi-stage switching in network elements are provided. The switching fabric can include three stages and as connections are being made through the stages, the connections are selected to minimize the difference in the number of signals between differ... | 03/11/2008 |
| 7342414 | Fast router and hardware-assisted fast routing method A fast router and a fast hardware-assisted routing method are disclosed in a network having endpoints, switches and interconnect links. The switches are programmable to allow endpoints to be connected through a particular configuration of switches. The switches also... | 03/11/2008 |
| 7343457 | Dual active bank memory controller A memory controller for managing memory requests from a plurality of requesters to a plurality of memory banks is disclosed. The memory controller includes an arbiter, a first path controller, a second path controller, and a synchronizer. The arbiter is configured t... | 03/11/2008 |
| 7340167 | Fibre channel transparent switch for mixed switch fabrics A method and a Fibre Channel switch element are provided that allows communication between a host system and a target device attached to a proprietary switch fabric in a network. The Fibre Channel switch element includes a first port that communicates with the targe... | 03/04/2008 |
| 7340538 | Method for dynamic assignment of slot-dependent static port addresses A method for dynamic assignment of slot-dependent static network port addresses. Under the method, a slot address and shelf address are determined for a card modular platform board installed in a given slot in a shelf. The slot and shelf addresses are used as inputs... | 03/04/2008 |
| 7333517 | Method and system for accurately calculating latency variation on an end-to-end path in a network A high-resolution, per-packet measurement tool for analyzing a computer network that operates by sending a predetermined number of packets from a sender machine to a receiver machine with measurement information inserted into the packet. The system kernel at the sen... | 02/19/2008 |
| 7334046 | System and method for optimizing frame routing in a network A method for routing Fibre Channel frames in a Fibre Channel system is provided. The method compares a cost associated with a pre-programmed preferred route when the pre-programmed preferred route has been pre-programmed to route Fibre Channel frames between a sourc... | 02/19/2008 |
| 7324508 | Crossbar switching circuit and operating method thereof A crossbar switching circuit and operating method thereof for coupling a plurality of source providers to a plurality of source consumers based on the request of the source consumer are provided. The crossbar switching circuit includes a plurality of source consumer... | 01/29/2008 |
| 7319719 | Parallel equalization for systems using time division multiple access An equalization circuit is provided. The equalization circuit includes an input adapted to receive signals from a communications channel. The equalization circuit further includes a plurality of equalizer circuits coupled to the input and operable to generate a plur... | 01/15/2008 |
| 7319669 | Method and system for controlling packet flow in networks A system and method for transmitting and bundling network packets is provided. The incoming network packet size is determined and if the remote buffer space is sufficient to hold the network packet it is transmitted to the destination port. If the remote buffer spac... | 01/15/2008 |
| 7313329 | All optical variable buffer queue useful in optical packet networks A variable optical buffer queue, particularly useful either as an input or an output queue in an optical packet router in a wavelength-division multiplexing (WDM) communication network. An input queue includes plural separately controllable optical delay units dispo... | 12/25/2007 |
| 7310319 | Multiple-domain processing system using hierarchically orthogonal switching fabric A multiple-domain processing system includes a multi-dimensional switching fabric to provide intra-domain and inter-domain communication within the system. ... | 12/18/2007 |
| 7310774 | Method for displaying switch port information in a network topology display Systems and methods for displaying network node ports and related information in a network topology display. The user is able to clearly view ports of a connection device in the network and to view additional port information, such as the port type and the port numb... | 12/18/2007 |
