At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
Distribution of network services among multiple service managers without
A system and method are described for partitioning a network service among a plurality of service managers. The method includes configuring a first service...
Auto-detection of ISDN BRI services
A method and apparatus for auto-detection of ISDN BRI services available for use by terminal equipment is disclosed. This auto-detection provides a variety of...
System and method for determining the data rate capacity of digital
A system for determining the data rate capacity of a digital subscriber line includes a communication server coupled to a number of subscribers using twisted...
Device, method and article of manufacture for call setup pacing in
A method, system and article of manufacture to prevent signaling congestion in a connection-oriented network node in situations where a plurality of ...
Ultra-short reach optical communications system and method of manufacture
An ultra-short-reach optical transceiver is described. The ultra-short-reach optical transceiver comprises an optical transmitter, an optical receiver, and a...
Clock synchronization and fault protection for a telecommunications device
A telecommunications device includes a synchronization bus and a controller coupled to the bus. The controller selects a primary reference clock signal from...
Technique for implementing high performance stable storage hierarchy in a
A technique is provided for implementing a high performance stable storage system which provides stable and fast storage services to applications built on top of...
Reduced pin-count 10Base-T MAC to transceiver interface
Provided is a 10Base-T MAC to PHY interface requiring only two wires (pins) per port, with two additional global wires: a clock wire (pin), and a synchronization...
Method and system for improving high speed internetwork data transfers
A method for creating a single virtual LAN including a source (S) attached to a first Token ring LAN (N1), a target (T) within a subnet attached to a different...
Method for allocating bandwidth in an optical network
A method is provided to allocate bandwidth from a first node to a second node in a optical network. The method begins by accepting a request from an end-user,...
System and method for determining a communication protocol of a
communication device operating on digital...
A system for determining a communication protocol of a communication device operating on digital subscriber lines includes a communication server coupled to a...
Memory allocation system
A method of allocating memory for a file includes determining a size of the file and searching a memory segment list to determine whether the file can be stored...
Coding rate reduction for turbo codes
Systems and methods for precisely controlling the amount of redundancy introduced by a turbo encoding process. Bits having predetermined values are introduced...
Subscriber unit ranging in a point to multipoint system
A chirp waveform is employed in establishing timing synchronization between nodes of a data communication network. In one embodiment, the chirp waveform is...
Method and system for transporting synchronous and asynchronous traffic on
a bus of a telecommunications node
A bus for a telecommunications node includes a frame repeating at a defined interval and including a defined number of slots. Each slot includes an overhead...
Dispatching packets from a forwarding agent using tag switching
A system and method are disclosed for providing a network service. The method includes storing at a forwarding agent a tag table. The tag table includes a list...
Apparatus and methods providing redundant routing in a switched network
The invention provides unique architectures and techniques for routing redundancy in a data switch configured to use label switching. Multiple label switch...
Telephone-based hypertext transport protocol server
A telephone is provided for delivering content to a client that is coupled to a communications network. The telephone includes a processor and a network...
Value-added features for the spanning tree protocol
A method and apparatus facilitates and enhances the operation of the spanning tree protocol in bridged computer networks. An intermediate network device in...
Methods and apparatus for managing a flow of packets using change and reply
Techniques are provided for controlling a flow of packets in a data communications device. A first technique involves transferring packets of a particular packet...
Method and apparatus of handling data that is sent to non-existent
A method of managing a network switch. The method having the first step of detecting a status of a set of physical ports on an interface card in the network...
Method and apparatus providing a graphical user interface for representing
and navigating hierarchical networks
A method and apparatus are provided which present hierarchical data to a user via a graphical user interface. A preferred embodiment represents hierarchical data...
System and method for retrieving software release information
A method for retrieving software release information. A first step obtains a software defect data set, a second step obtains a software release data set, and a...
System and method for processing circuit card connector and redundancy
A system for processing circuit card events includes a circuit board having a first connector and a second connector. The circuit board generates connector...
Automatic static to dynamic IP address and DNS address management for
remote communications network access
A system and method for remotely connecting client computers to a communication network such as the Internet by way of a server system and dynamically providing...
Failover mechanisms for remote networked phones
A method of providing failover service to network phones. A failure of communication between a network phone and a primary call manager is identified....
Method and apparatus for DS3 pentad-based processing
A system and method for pentad-based processing are disclosed for efficient processing of DS3 data by converting a DS3 frame to pentad and shuffling the overhead...
Minimum bandwidth guarantee for cross-point buffer switch
A method and system for use in data communications. The method and system substantially ensure that actual data transmission per unit time from at least one...
Methods and apparatus for transferring data using a filter index
A server installation, which includes multiple servers, services a client request using a filter index that is different than a destination address associated...
Voice-mail application on the router with no secondary storage available
In accordance with a method and apparatus of the present invention, a voice communication system is disclosed for use in a packet switching network environment...
Dynamically delisting and relisting multicast destinations in a network
An apparatus and method for reducing congestion in a network switching node. A congestion mask that indicates which of a plurality of destination ports in a...
Block coding system and method of data aggregation
A method of coding data for communication within a network. The method includes receiving an 8b/10b source protocol data stream containing 10-bit code and...
Uninterruptable power supply
An uninterruptable power supply for use with an Internet Telephone or Internet Telephone Cable Modem comprises a power supply and a load. The power supply has an...
Systems and methods for improved medium access control messaging
Systems and methods for communicating medium access control (MAC) data without errors. Different encoding processes may be used to encode MAC data and data...
Fused switch core and method for a telecommunications node
A switch card for telecommunications node includes a shared memory operable to store traffic channels. A time slot interchanger (TSI) is coupled to a first bus...
Method and apparatus for mapping voice activity detection to a scheduled
Unsolicited grants are allocated a selected time interval for scheduling transmission of audio packets at a network endpoint. A network processing node switches...
Mobile IP intra-agent mobility
Methods and apparatus for enabling intra-agent mobility by a mobile node are disclosed, thereby permitting a mobile node to register with a Home Agent via a...
Traffic management and flow prioritization over multiple physical
interfaces on a routed computer network
Per-flow fairness in routing devices operating with multiple physical-layer interfaces in which each active physical interface has an inherent transmission rate...
Miniature surface mount heatsink element and method of use
A printed circuit board (PCB) has at least a first surface. A patterned electrically and thermally conductive layer is disposed on the first surface. A surface...
Modular optical amplifier structure for highly dense interleaved WDM
An advantageous amplification architecture for DWDM systems including systems with very high capacity is provided. A modular interleaved structure for...
Displaced-bias interferometer-detection (DB/ID) modulation
A Mach-Zehnder interferometer is employed to implement phase modulation of an optical signal. The interferometer is biased at its maximum extinction point. The...
System and method for eliminating jitter by using a starve/inspect approach
A system and method for transporting telephony signals across an ATM network using AAL1 while eliminating the jitter associated with the AAL1 cells. The present...
Auto early packet discard (EPD) mechanism for automatically enabling EPD on
an asynchronous transfer mode (ATM)...
A method for automatic early packet discard mode enabling early packet discard on a cell switching network is disclosed. The method includes the steps of...
Flexible scheduling of network devices within redundant aggregate
A protocol is provided for backing up ATM network devices should they fail. The protocol is implemented in a system running ATMARP and supporting IP over ATM. In...
Method for inverse multiplexing of ATM using sample prepends
A single ATM traffic stream is carried over a plurality of lower bandwidth media, such as T-1 or E-1 interfaces, using inverse multiplexing assisted by a...
Method and system for reliable in-order distribution of events
A system and method for maintaining reliable in-order event distribution using multicast are described. A trigger event is sensed and a multicast payload...
Butterfly network with switches set for two node disjoint paths and method
for forming the paths
In a butterfly network, a number of switches are set to provide two paths that are independent of each other, from a first switch to a second switch, and from...
Method and apparatus for switching a clock source from among multiple T1/E1
lines with user defined priority
A clock selection controller is shown which allows a user to assign a priority scheme to recovered clock signals obtained from communication facilities. The...