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7430205 Packet transfer apparatus  
A packet transfer apparatus which can switch a communication path for each of a plurality of users using the same L2TP tunnel is provided. Packet transfer apparatuses terminating L2TP contain a...
7426572 Network router using embedded and external memory based on packet destination  
A network router makes use of embedded memory and external memory to handle packet buffering requirements for inbound and outbound packets. In particular, the router incorporates an embedded memory...
7420990 Adaptive-allocation of I/O bandwidth using a configurable interconnect topology  
Apparatus and methods allocate I/O bandwidth of an electrical component, such as an IC, by configuring an I/O interface into various types of interfaces. In an embodiment of the present invention,...
7415031 Data link/physical layer packet diversion and insertion  
A buffering structure including a number of storage structures and associated diversion and/or insertion logic, is provided to facilitate one or more selected ones of post-switching, pre-medium...
7415011 Distributed switch  
A computer system comprises a plurality of shelves. Each shelf has a carrier for removably receiving a plurality of information processing modules and a switching module. Each shelf also has an...
7411973 System and method for interfacing with a management system  
Systems and methods that interface with a management system are provided. In one embodiment, a system and a method may provide a command protocol and format for communication between a network...
7411970 Adaptive clock recovery  
A method of recovering a clock signal for a TDM output from packets of TDM data which have been transmitted over a packet network, from a source having a source TDM clock to a destination having a...
7411958 Method and system for transferring data directly between storage devices in a storage area network  
A method and system for performing a copy operation between storage devices coupled to a Fiber Channel switch element is provided. The Fiber Channel switch element receives a user command to copy...
7411953 Distributed finite state machine  
A finite state machine and a router adapted thereto for providing a service. The finite state machine is executed on a first and a second distinct hardware modules. The first module has access to a...
7411934 Packetized audio data operations in a wireless local area network device  
A wireless local area network (WLAN) transceiving integrated circuit includes a WLAN interface, an input buffer, an input buffer controller, and a processor. The WLAN transceiving integrated...
7408937 Methods and apparatus for identifying a variable number of items first in sequence from a variable starting position which may be particularly useful by packet or other scheduling mechanisms  
Methods and apparatus are disclosed for identifying a variable number of items first in sequence from a variable starting position which may be particularly useful by packet or other scheduling...
7408933 Distributed router with ping-pong preventing function and ping-pong preventing method using the same  
A distributed router able to reduce occurrence of ping-pong of data and information packets within the architecture of the distributed router constructed with a main processor, a plurality of line...
7408923 IP telephony transport  
A system for simultaneously transporting internet protocol voice traffic and power to an internet protocol telephony transport using the existing twisted pair infrastructure of a traditional phone...
7406090 Managing a buffer for media processing  
A method and apparatus to perform buffer management for media processing are described.
7397811 Method and apparatus for determining shared broadcast domains of network switches, ports and interfaces  
A system for determining shared broadcast domains. The system includes a network having devices which have physical ports and/or logical interfaces, and having a network management system. The...
7397808 Parallel switching architecture for multiple input/output  
A multiple input/output-queued(MIOQ) switch is presented. This MIOQ switch comprises a (k,m)-dimensional crossbar fabric having k ingress lines and m egress lines; N input buffers at each input; M...
7397791 Telephone communication system over a single telephone line  
An improved telephone system over a single telephone line within a residence or other building is disclosed, supporting exchange features and enabling easy expansion for multiple external lines....
7395356 Methods and apparatus for moving data elements within a data communications device  
A method includes a step of (A) determining which of multiple network interfaces indicates readiness to transmit a data element to a network and which of the multiple network interfaces indicates...
7394836 Packet scheduling system and method for high-speed packet networks  
Provided are a packet scheduling system and method capable of fair link resource distribution among a plurality of sessions requesting transmissions to an identical output link in input and output...
7394823 System having configurable interfaces for flexible system configurations  
An apparatus includes a plurality of memories, a plurality of systems, and a switch interface circuit. Each of the plurality of systems includes a memory controller coupled to a respective one of...
7388875 Fanout upgrade for a scalable switching network  
A redundant multistage network can be expanded by increasing the fanout of each router in a non-stop manner, involving a port addition, a reconfiguring and an activation section. The port addition...
7388874 Protection switching methods and systems for electronic devices  
Per-interface electronic device protection switching systems and methods are disclosed. An electronic device and each communication line interface provided in the device are monitored, and device...
7385963 System and method for communicating telecommunication information from a telecommunication network to a broadband network  
A system for communicating telecommunication information includes a memory, a telecommunication interface module, and packetization modules. The memory stores subscriber profiles associating each...
7383425 Massively reduced instruction set processor  
This invention is directed to a method and apparatus for providing low, predictable latencies in processing IP packets. The apparatus provides a specialized microprocessor or hardwired circuitry to...
7379482 Programmable element of synchronous network and method for managing it  
Described is a SDH or SONET telecommunication network element provided with a plurality of interfaces for managing first SDH or SONET flows, comprising: a) a plurality of first layer ports for...
7379469 System and method for scheduling burst profile changes based on minislot count  
A system and method are presented for changing physical layer (PHY) parameters in a PHY device of a communications system. New parameters are written to a first-in first-out queue in a serial...
7379422 Flow control enhancement  
A networking/communication chip having a receiving buffer or FIFO whereby it receives data from a data source across a network and transfers the data to a host system. The memory in the host system...
7372865 Processing data packets using time stamped marker packets  
According to one embodiment, processing data packets includes inserting marker packets into a data stream at time intervals. Each marker packet includes a respective first time stamp indicative of...
7372863 Systems for monitoring and controlling operating modes in an ethernet transceiver and methods of operating the same  
Disclosed are systems and methods for monitoring and controlling operating modes in a network transceiver. In one embodiment, a computer system is associable with an Ethernet network, and comprises...
7369572 Quality management for a packet communication system  
In a packet communication system, separate ports of a customer interface exchange Ethernet packets with the customer to provide multiple different services. The customer interface exchanges these...
7366208 Network switch with high-speed serializing/deserializing hazard-free double data rate switch  
A network switch for switching packets from a source to a destination includes a source port for receiving an incoming packet from a source, a destination port which contains a path to a...
7359397 Prioritizing transfers across an interface  
Method and apparatus for prioritizing outbound data transfers across a serial data transmission interface to a connected device. An interface circuit includes a memory block in which outbound...
7356042 Distributed ethernet hub  
A technique for multiplexing high speed computed data with digitized voice signals onto a fiber optic cable for transfer to a local central office. The data packets of a number of computers are...
7346701 System and method for TCP offload  
Aspects of the invention may comprise receiving an incoming TCP packet at a TEEC and processing at least a portion of the incoming packet once by the TEEC without having to do any reassembly and/or...
7346050 Method, system, and storage medium for delay optimization for scheduling in bufferless crossbar switches  
A control topology for distributed scheduling has a two-dimensional fanout broadcast network, which may include logical partitioning. Logically, a switch is in the center and line cards are in a...
7343425 Multi-speed serial interface for media access control and physical layer devices  
A network device includes a media access control (MAC) device that transmits a first data stream at a first data rate that includes symbols having M bits. A translator converts the first data...
7339944 Distributed shared memory packet switch  
A shared memory packet switch fabric whose scheduling task is distributed to multiple egress schedulers residing on multiple egress control units and whose data storage is distributed to multiple...
7339924 Method and apparatus for providing ringing timeout disconnect supervision in remote telephone extensions using voice over packet-data-network systems (VOPS)  
A Multiservice Access Concentrator (MAC) provides a time limit for a first ringing voltage signal in response to an attempted call. The call is attempted via a voice over packet-data-network system...
7336677 Multi-functional switch fabric apparatus and control method for the same  
A multi-functional switch fabric apparatus and a control method for a multi-functional switch fabric apparatus are provided. The multi-functional switch fabric apparatus includes a plurality of...
7334068 Physical layer device having a SERDES pass through mode  
A physical layer device (PLD), comprising: a first serializer-deserializer (SERDES) device having a first parallel port; a second SERDES device having a second parallel port; a third SERDES device...
7330479 Shared transmit buffer for network processor and methods for using same  
In a first aspect, a first method is provided for controlling the flow of data between a first and second clock domain. The first method includes the steps of (1) selecting one of a plurality of...
7327757 Multi-service network switch with independent protocol stack architecture  
A multi-service network switch capable of providing multiple network services from a single platform. The switch incorporates a distributed packet forwarding architecture where each of the various...
7327754 Apparatus and method for freezing the states of a receiver during silent line state operation of a network device  
A method for maintaining the states of a receiver during the silent line state of a network device operating in a low power link suspend mode is presented. Accordingly, a method of freezing the...
7327749 Combined buffering of infiniband virtual lanes and queue pairs  
A system and method for shared buffering of InfiniBand virtual lanes and queue pairs. Instead of allocating dedicated memory space (e.g., a set of FIFO queues), a shared memory dynamically...
7327735 System and method for detecting lost messages transmitted between modules in a communication device  
A method and module for tracking transmission of messages being sent from a transmitting module to a receiving module in a communication device is provided. The method includes the step of (a)...
7327674 Prefetching techniques for network interfaces  
A prefetching technique for a network interface is provided to give the network interface the opportunity to prefetch data out-of-order into send queues in the network interface, rather than...
7324560 Recovering clock and frame information from data stream  
A method for transmitting a digital data stream includes recovery of data clock information and data frame information from the digital data stream. The method includes providing a digital data...
7324547 Internet protocol (IP) router residing in a processor chipset  
A novel network architecture that integrates the functions of an internet protocol (IP) router into a network processing unit (NPU) that resides in a host computer's chipset such that the host...
7324540 Network protocol off-load engines  
The disclosure describes techniques for coordinating operation of multiple network protocol off-load engines (e.g., Transport Control Protocol (TCP) off-load engines).
7324539 Method and apparatus for processing channelized and unchannelized data within a signal  
A method and apparatus for processing channelized and unchannelized data within a signal are described. In one embodiment, a method comprises receiving in a network element, data packets within a...
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