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PSTN fallback using dial on demand routing scheme
A call fallback scheme is provided in a packet switched network. After receiving incoming calls, a Voice over IP (VoIP) link is established over a packet...
Integrated RJ-45 magnetics with phantom power provision
A connector integrates a transformer and a "phantom" power provision, thus enabling a reduction in size along with an increase in versatility for electronic...
Isolated ground circuit board apparatus
A circuit board apparatus for terminating shielded conductors having multiple different ground potential values is disclosed. In a signal interconnection region,...
Containment fence apparatus and potting method
A fluid containment fence apparatus provides a border around the perimeter of an area to be potted on one or both sides of the board. First, or first and second...
Support IP pool-based configuration
An address is allocated to a host device which is selected to obtain network access from any access point within a given communications system, while maintaining...
Dynamically adaptive network element in a feedback-based data network
A feedback-based adaptive network is described wherein at least a portion of the network elements report operating information relating to network conditions to...
Methods and apparatus for modifying a customer order
The mechanism is directed to techniques for automatically handling a change order request that modifies an order previously submitted by a customer to a...
Methods and apparatus for measuring resource usage within a computer system
The invention is directed to techniques for measuring resource usage of a computer when processing a data element, using a usage field assigned to the data...
Method and apparatus for integrated wireless communications in private and
public network environments
A communication system formed by a private network that includes a private wireless network. The communication system includes a public wireless network using a...
Apparatus and method for delay management in a data communications network
A method and apparatus are provided for scheduling delays of data in a data communications device within a network. A network policy can be obtained and analyzed...
Method and apparatus for arranging and adjusting a bundle in an ATM network
A method and apparatus automatically creates and destroys a bundle of virtual circuits between two devices. Configuration information including a differentiated...
End-to-end bidirectional keep-alive using virtual circuits
The invention provides a method and system for sending and receiving end-to-end bidirectional keep-alive messages using virtual circuits. Nodes coupled to a...
Method for the reduction of noise in a long-distance optical
A system for providing noise reduction in a long-distance telecommunications system is disclosed. A transmitter generates an optical signal. An optical link...
Telephone base unit
Memory apparatus and method for multicast devices
A memory system usable for a multi-casting switch or similar device includes memory which can be dynamically allocated among two or more output ports. The memory...
Hit result register file used in a CAM
The invention provides a method and system for performing additional processing on CAM hit results, in which the additional processing does not add to the...
System and method of operation for managing data communication between
physical layer devices and ATM layer devices
A system for managing data communication between physical layer devices and ATM layer devices in a cell based ATM network includes a plurality of low speed...
Multimedia and multirate switching method and apparatus
A switch apparatus and method according to the invention implements a three stage switching process. Various types of media streams presented to the switch...
Method and system for identifying embedded addressing information in a
packet for translation between disparate...
Embedded addressing information is identified in a packet by providing a database including a plurality of records. Each record is operable to identify a packet...
Method and apparatus for providing a time-division multiplexing (TDM)
interface among a high-speed data stream...
A Multiservice Access Concentrator (MAC) is provided at which a dynamic association is established and maintained among a number of processors and a number of...
Method and apparatus for rapidly reconfiguring computer networks using a
spanning tree algorithm
A method that rapidly reconfigures a computer network having a plurality of devices executing the spanning tree algorithm. First, one or more devices are...
Method and apparatus for per traffic flow buffer management
A method of managing oversubscription of a common buffer resource shared by a number of traffic flows in a cell switching network in response to the utilization...
Dynamic RF amplifier bias control for digital wireless communications
An adaptive bias control scheme for an Orthogonal Frequency Division Multiplex ("OFDM") transmitter. The transmitter chain is comprised of class A amplifiers....
Dual stage in-circuit test fixture for circuit board testing
A fixture is provided for use in connection with a circuit board tester. The fixture can move the unit under test (UUT), against the urging or a set of springs,...
Methods and apparatus for redirecting network cache traffic
A method for routing a data request received by a caching system is described. The caching system includes a router and a cache, and the data request identifies...
Method and apparatus for determining SNA sessions using various protocols
for transport based on filter criteria
A technique identifies a data session flowing through entities of a multi-protocol network based on information contained within a service request provided by a...
Device and method for network communications and diagnostics
A device and method for network communications and diagnostics are provided. One embodiment of the device includes a processor for generating a time-domain...
Group and virtual locking mechanism for inter processor synchronization
A group and virtual locking mechanism (GVLM) addresses two classes of synchronization present in a system having resources that are shared by a plurality of...
Method and apparatus for automatic routing of circuit switched data
connections based upon stored behavioral...
A method and apparatus for automatic routing of multi-link circuit switched connections are shown. A routing processor monitors the behavioral characteristics of...
Proxy session count limitation
A data communications network with a plurality of PoPs maintains a local database associated with each PoP and a central database somewhere on the data...
Communicating network information using universal resource locators
A method and apparatus are provided for communicating network information among network devices using protocols based on Universal Resource Locators. In one...
Routing support for point-to-multipoint connections
A distrubution tree for point-to-multipoint connections within a computer network may be dynamically created according to the number of connections shared by...
Content addressable memory (CAM) with accesses to multiple CAM arrays used
to generate result for various...
The invention provides a method and system for operating a CAM with a variable size input tag. The improved CAM has multiple access sizes and is divided into...
Methods and apparatus for providing interfaces for mixed topology data
Methods and apparatus for providing a source interface device and destination interface device are disclosed. A method of enabling communication between the...
Method and apparatus for domain name service request resolution
A gateway is provided which resolves a DNS request in a manner that minimizes the time and bandwidth required to conduct a DNS search as well as increases the...
Using an authentication server to obtain dial-out information on a network
A method for using an authentication server to obtain dial-out information about a network including the steps of receiving a destination network address to the...
Optical connector retainer panel and system
A connector retainer panel provides a number of openings for connector adapters, where the number of openings is an integer power of 2. Each of the adapters is...
Dynamic rate-based, weighted fair scheduler with explicit rate feedback
A service controller for a cell switched network services a plurality of connection queues within the network according to a fair rate which may be weighted for...
Virtual private network employing tag-implemented egress-channel selection
A service provider's routers (PE1, P1, P2, PE2) provide connections between and share routing information with routers (CE1, CE2) of a customer virtual private...
Archimedes spiral array antenna
A two-dimensional array design for an aperiodic array antenna. The design utilizes monopole or similar antenna elements that are arranged into the topology of an...
Method and system for remote testing of application program interfaces
A system and method for remotely testing application program interface function calls within a software application under test which does not require a priori...
Method and apparatus for the management of queue pointers by multiple
processors in a digital communications...
A method for managing a buffer queue that stores a data queue, wherein the data queue comprises a set of n data elements, n being at least zero. A head pointer...
System and method for normalizing private exchange output
A system and method are provided for generating normalized events from nonstandard computer telephony interface (CTI) events generated by various private...
System and method for special signaling with customer premises equipment
A system and method are provided for special signaling with customer premises equipment. The system includes loop termination equipment coupled to a local loop...
Method and system for managing transmission resources in a wireless
A method and system for managing transmission resources in a wireless communications network includes receiving a packet and determining a time duration for...
Circuit card rail positioning system
A railing system for printed circuit boards, an apparatus and method advantageously allow modular arrangements of printed circuit boards (PCBs) in a shelf and...
Digital communication system accepting both balanced and unbalanced data
signals and method for its use
A circuit and method for connecting data lines in a digital communication system are disclosed. The circuit allows either a balanced data line or an unbalanced...
SNMP master agent that translates messages to a sub-agent proprietary
format using a translation table by the...
A simple network management protocol (SNMP) manager communicates with an SNMP master agent using an SNMP data unit (PDU). The PDU includes identification data...
Software programmable delay circuit
A phase adjustment circuit has a signal path having a plurality of phase adjustment elements coupled together. Each of the phase adjustment elements of the...
Techniques for efficient location of free entries for TCAM inserts
Techniques for the efficient location of free entries for use in performing insert operations in a binary or ternary content addressable memory. As used in data...