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| Number | Title | Issue Date |
| 7804825 | Matrix expansion lattice A cross-connect switching system includes a plurality of three stage switching arrays and an expansion switching array, wherein a second stage of each of the three stage switching arrays includes an expansion section comprising switches which facilitate interconnect... | 09/28/2010 |
| 7756124 | Encapsulating packets for network chip conduit port Systems, methods, and devices are provided for moving packets on a network device. One method includes receiving packets to a number of network chips, the number of network chips having a conduit port which can be selectively chosen to exchange packets with a proces... | 07/13/2010 |
| 7630362 | STM switching arrangement An STM telecommunications switch comprising a plurality of parallel data switching planes and a parallel control planes, each plane having an equal number of input ports and output ports and a central switching unit to switch each input port to any output port and w... | 12/08/2009 |
| 7397794 | Systems and methods for implementing virtual switch planes in a physical switch fabric A switching device includes multiple interfaces and a switch fabric. The switch fabric includes switch integrated circuits arranged in a number of stages. Multiple virtual switch planes may be implemented in the switch fabric. Data traffic received at the interfaces... | 07/08/2008 |
| 7372838 | GPRS (general packet radio service) system with multiple GGSNS (gateway GPRS supporting nodes) and method for selecting GGSN A GPRS system having multiple GGSNs connected to a public network, for providing a packet-based mobile service, comprises: an SGSN for controlling a connection operation according to a session request of a mobile terminal for receiving the packet-based mobile servic... | 05/13/2008 |
| 7373430 | Cluster accelerator network interface with filter An apparatus for improving communication between network devices in a cluster. is provided. A filter is used to pre-process packets to determine if they need to be further processed by the processor of the network device. If true, the packets are presented on a bus ... | 05/13/2008 |
| 7362761 | Packet processing apparatus A packet processing apparatus that realizes improved overall relaying performance by distributing input packets to multiple packet analyzing modules for information processing is disclosed. The packet processing apparatus includes a distributor for assigning a seque... | 04/22/2008 |
| 7349411 | Economically expansible switching network A telecommunications switching node comprising a plurality of input and output (I/O) ports configured to receive and transmit telecommunications signals, a switching core comprising a plurality of switching networks and a backplane connecting each of the plurality o... | 03/25/2008 |
| 7292587 | Method and apparatus for enabling connectivity between arbitrary networks using a mobile device A mobile device includes network interfaces for communicating wirelessly with two different networks. The mobile device may operate as a gateway between the two networks by switching between the two network interfaces in order to pass information from one network in... | 11/06/2007 |
| 7292785 | Optical transmission system constructing method and system An optical transmission system accomplishes optical transmission over a long distance by combining a multiplexing line terminal with optical amplifiers, linear repeaters, and regenerators with optical amplifiers combined together. The system also accomplishes the op... | 11/06/2007 |
| 7286526 | Uniform management of mixed network systems A method and system for providing network processor management that efficiently operates in homogenous and heterogonous environments are provided. The system includes a controlled entity having a switched architecture including a first set of processing resources an... | 10/23/2007 |
| 7286543 | Memory system with apparatus and method to enable balanced bandwidth utilization A memory subsystem includes Data Store 0 and Data Store 1. Each data store is partitioned into N buffers, N>1. An increment of memory is formed by a buffer pair, with each buffer of the buffer pair being in a different data store. Two buffer pair forma... | 10/23/2007 |
| 7254128 | Channel data extracting circuit and extracting method A channel data extracting circuit for extracting data for each channel from a frame in which byte data of channels are multiplexed includes a Banyan unit and data control unit. The Banyan unit distributes data for respective channels by Banyan switches of planes cor... | 08/07/2007 |
| 7251219 | Method and apparatus to communicate flow control information in a duplex network processor system In-band flow control data may be received from a switch fabric at a first network processor. The received in-band flow control data may be transmitted to a second network processor using a flow control bus. The second network processor may determine which receive qu... | 07/31/2007 |
| 7245641 | Variable length packet switching system Disclosed herein is a variable length packet switching system. The variable length packet switching system includes at least two switching means, a plurality of multiplexing units and a plurality of demultiplexing units. The switching means switch ATM cells or varia... | 07/17/2007 |
| 7231469 | Disk controller A disk controller has a channel adapter having a connection interface to a host computer or a disk drive; a memory adapter for temporarily storing data to be transferred between the host computer and disk drive; a processor adapter for controlling operations of the ... | 06/12/2007 |
| 7206977 | Intelligent self-configurable adapter An intelligent self-configurable adapter is provided. Before transferring data, the adapter configures itself. After configuring itself, the adapter then starts transmitting the data. During data transmission, the adapter monitors the connection to ensure that the t... | 04/17/2007 |
| 7197031 | Cross-connection of high bandwidth signal traffic across independent parallel shelves A serial data stream is mapped through a cross-connect via two or more parallel independent shelves. The serial data stream is split into at least two sub-streams. If the lead frame of a sub-stream contains a concatenation indicator, it is replaced by a valid payloa... | 03/27/2007 |
| 7161936 | Method and system for distributing data communications utilizing a crossbar switch A solid-state crossbar switch for transmitting data traffic includes a first number of input ports. Each input port is operable to receive DSL data from a data switch. The crossbar switch also includes a second number of output ports. Each output port is capable of ... | 01/09/2007 |
| 7161906 | Three-stage switch fabric with input device features A switch fabric for routing data has a switching stage configured between an input stage and an output stage. The input stage forwards the received data to the switching stage, which routes the data to the output stage, which transmits the data towards destinations.... | 01/09/2007 |
| 7158528 | Scheduler for a packet routing and switching system In one embodiment, queues associated with a first traffic class (FTC) are selected for service. Each FTC queue having at least one enqueued cell is identified as an occupied FTC queue, Where at least one FTC queue is provisioned for burst scheduling of multiple cell... | 01/02/2007 |
| 7046681 | Network switch for routing network traffic A network switch includes an input layer to receive a data stream with a set of cells. Each cell includes data and a header to designate a destination device. The input layer includes a set of input layer circuits. A selected input layer circuit of the set of input ... | 05/16/2006 |
| 7027436 | Communication multistage switching techniques Multistage switching for mixed SONET VT traffic, such as VT1.5s and VT2s, is accomplished by employing an input time switch, a space switch and an output time switch. The input time switch and output time switch include VT1.5 time switches arranged to alter the time... | 04/11/2006 |
| 7023841 | Three-stage switch fabric with buffered crossbar devices A switch fabric for routing data has a switching stage configured between an input stage and an output stage. The input stage forwards the received data to the switching stage, which routes the data to the output stage, which transmits the data towards destinations.... | 04/04/2006 |
| 7002978 | Scheduling techniques for data cells in a data switch A computer-implemented method for scheduling cells output on an output path of a data switch. The data switch is configured for switching the cells from a plurality of input paths to the output path. The method includes providing a plurality of queues, each queue of... | 02/21/2006 |
| 6990095 | Self-routing data switching system A self-routing data switching system is disclosed. The data switching system includes a plurality of repetitive switching matrix planes, each of which is electrically connected between a less number of input terminals and a larger number of output terminals, thereby... | 01/24/2006 |
| 6973079 | Apparatus and method for scaling a switching fabric in a network switching node A method and apparatus for reallocating switching circuitry in a switching fabric are disclosed. The switching fabric is used to permit data transfer among a plurality of interface units each having a plurality of data ports. The switching fabric is partitionable in... | 12/06/2005 |
| 6970455 | Space/time switch architecture A switching core in accordance with the principles of the present invention connects N input ports to M output ports and provides multi-cast capability. The switching core includes a plurality of selection blocks, each of which receives multiple input bit packs orga... | 11/29/2005 |
| 6952402 | Apparatus and method for manipulating packet ordering over parallel links of a crossbar based switch fabric A data exchange system includes at least one transmitting agent, at least one receiving agent, and a plurality of data links each having a crossbar coupling respective transmitting agents and receiving agents. A stream of data packets including at least one Order Cr... | 10/04/2005 |
| 6944149 | Apparatus and method or searching for PN sequence phase in multi-carrier CDMA mobile communication system A PN sequence phase searching apparatus in a multi-carrier CDMA mobile communication system. At least two PN sequence phase searchers search for the PN sequence phase of one of at least two different band input signals on different assigned search conditions and out... | 09/13/2005 |
| 6775275 | Matrix switch method and device In a matrix switch method, pieces of timing information synchronous with the signal speeds of input data parallelly input to N (N is a positive integer) input terminals are extracted. The respective input data are switched/output to N output terminals through a swit... | 08/10/2004 |
| 6744768 | Combining narrowband applications with broadband transport The combination of narrowband applications with broadband transport may be enabled with a communications architecture, in which one or more Media Gateways (MGs) that include broadband switching fabric are controlled by a Media Gateway Controller (MGC) that includes ... | 06/01/2004 |
| 6700886 | High speed cross point switch routing circuit with word-synchronous serial back plane An asynchronous serial crosspoint switch is word synchronized to each of a number of transceiver circuits. The crosspoint switch circuit generates both a master bit clock and a master word clock signal. A transceiver circuit recovers the master bit clock ... | 03/02/2004 |
| 6694201 | Supervisory parallel switching device for computer integrated manufacturing system with secs-compliant serial communication links A supervisory parallel switching device is designed for use with a CIM system including a host computer unit connected via an extended computer integrated unit to at least one equipment unit through an SECS-compliant (Semiconductor Equipment Communication... | 02/17/2004 |
| 6597691 | High performance switching High performance switching network topologies and frame addressing techniques therefor are disclosed. A two-dimensional Fiber Channel switch fabric is disclosed which combines a Class 1 connection space-division multiplexing sub-fabric, and Class 2 and 3 ... | 07/22/2003 |
| 6587461 | TDM switching system and ASIC device In one embodiment, in a switching system, an ASIC device on a card coupled to a backplane communicates switched data to an outgoing network interface for the card without using the backplane, and remaining ASIC devices on the card communicate switched dat... | 07/01/2003 |
| 6085254 | Dynamic size alteration of memory files A method and system for use primarily, but not exclusively, in digital communications switching systems are disclosed, in which the size of traffic-sensitive (temporary) size-alterable memory files is automatically increased when file congestion occurs. P... | 07/04/2000 |
| 6064669 | Bit sliced digital cross connect switching system A switching network having a plurality of independent switching units with each switching unit switching one bit of each group of data from external data links through a telecommunication switching system. The plurality of switching units is greater than ... | 05/16/2000 |
| 6005699 | Optical wavelength multiplexing system An optical transmission system accomplishes optical transmission to a long distance by combining a multiplexing line terminal with optical amplifiers, linear repeaters, and regenerators with optical amplifiers combined together. The system also accomplish... | 12/21/1999 |
| 5612953 | Multi-media serial line switching adapter for parallel networks and heterogeneous and homologous computer systems A generic network device for performing parallel or serial communications amongst multiple nodes over switching networks. An aspect is the adaptation of standard or proprietary serial interfaces using optical or electrical transmission to interface to the... | 03/18/1997 |
