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Lumped raman amplifier for adaptive dispersion compensation
An adaptive dispersion compensation system that also achieves optical amplification by inducing Raman amplification effects in dispersion compensating fiber....
Method and apparatus for handling out of inverse multiplexing for
asynchronous transfer mode frame error conditions
Methods and apparatus are disclosed for handling transient anomalies in a communications or computer device or system, such an inverse multiplexing for ATM...
Method for traffic management, traffic prioritization, access control, and
packet forwarding in a datagram...
A method and apparatus for an enhanced datagram packet switched computer network is disclosed. The invention processes network datagram packets in network...
Virtual LANs over a DLSw network
The invention provides a Virtual Local Area Network (VLAN) over a DLSw interconnection so that VLAN identification is preserved as a packet is forwarded from a...
System and method for generating multiple line appearances in a
A communication system includes a communication network, and an originating telephony device, a target telephony device, and a call manager coupled to the...
Method and apparatus for implementing a quality of service policy in a data
A content addressable memory (CAM or L3 Table) contains flow information for each active flow of packets passing through a given node of a data communications...
Packet prioritization processing technique for routing traffic in a
packet-switched computer network
A two-phase packet processing technique is provided for routing traffic in a packet-switched, integrated services network which supports a plurality of different...
Method and apparatus for providing multiple clock signals on a chip using a
second PLL library circuit...
Methods and apparatus are disclosed for providing multiple clock signals on a chip using a second phase-locked loop library circuit connected to a buffered...
System and method for coupling a plurality of cables to a device
An apparatus includes a housing having a first side and a second side, and a plurality of Registered Jack (RJ) plugs attached to the first side. A plurality of...
Connector assembly including legacy and extension parts that maintains
A card-receiving connector includes a legacy connector part and an additional connector part that facilitates plugging in cards having improved functionality...
System and method for selecting a service with dynamically changing
The present invention relates to a system and method for selecting a service. According an embodiment of the present invention, a priority array indicates an...
Method and apparatus for metric based server selection
Methods and apparatus are provided for selecting a server that can provider content to a client in an optimal manner. A server selection system is coupled to a...
Methods and apparatus for providing mobility of a node that does not
Methods and apparatus for enabling a node that does not support Mobile IP to roam from a first Foreign Agent to a second Foreign Agent are disclosed. In a...
Methods and apparatus for efficient scheduling and multiplexing
Techniques and mechanisms are provided for scheduling and multiplexing compressed bitstreams. A compressed bitstream includes bit rate information describing the...
Realtime power control in OFDM systems
Systems and methods for efficiently transmitting power level information in a point to multipoint wireless system. Multiple subscriber units may transmit...
Automatic discovery of switch devices in a network
A method and apparatus provide automatic discovery of switch devices in a switched network. The remote monitor agent of a router is modified to detect packets...
Power entry apparatus and method
A power entry apparatus includes a plurality of bus bars and a plurality of conductor terminations. At least one of the plurality of the conductor terminations...
Access server fault isolation without service disruption method and
The invention is a fault isolation method and apparatus for use in a network access server. The method includes allocating one or more modems in a group of...
Intrusion detection signature analysis using regular expressions and
A method of describing intrusion signatures, which are used by an intrusion detection system to detect attacks on a local network. The signatures are described...
Apparatus and methods for allocating addresses in a network
The system of the invention provides a unique address assignment mechanism and technique that allows an address server such as a DHCP server to receive requests...
Multiple-level internet protocol accounting
A method and apparatus for providing computer network access points the capability for multiple-level accounting. A gateway device located at the access point is...
Optical WDM network having mixed wavelength routing and fiber routing
An optical wavelength-division-multiplexing (WDM) network has at least one transit node, where a majority of received channels are destined for a remote node,...
Method and system for independent participant control of audio during
multiparty communication sessions
A method and system for independent participant control of audio during a multiparty communication session includes receiving an audio stream from each of a...
Thermo-electric cooler circuit and method for DWDM/TDM mode selection
An optical transceiver and method therefore provides a cooled laser diode configured to run in either a low power mode or a standard mode. A method for a...
System and method for providing dynamic switching functionality in a static
A system and method for providing dynamic switching functionality in an access network which supports only static switching. Dynamic switching is used to provide...
Mechanism for conveying data prioritization information among heterogeneous
nodes of a computer network
A mechanism conveys information pertaining to transmission priority (TP) levels of inbound packets transmitted over a heterogeneous network from a switching node...
Load board for testing of RF chips
A load board for connecting an RF integrated circuit device ("DUT") to a tester for testing. The load board includes a PCB having a DUT side and a non-DUT side....
System and method for preventing cable discharge events
According to one embodiment of the invention, an apparatus includes a housing having a cavity configured to receive a plug. The apparatus includes a plurality of...
Distributed network traffic load balancing technique implemented without
The technique of the present invention provides a solution to the problem of routing or redirecting a given client to a replica or proxy server which has a...
Optimal use of request access TDMA slots for automatic level control
Systems and methods for controlling subscriber unit power level using power measurements made on access request transmissions. Since a subscriber unit access...
Interfacing between a network interface and a bus
A method and apparatus are described for interfacing between a network interface and a bus. For the network interface-to-bus side, the method comprises (a)...
Route scheduling of packet streams to achieve bounded delay in a packet
Connection distributors are used to route packets corresponding to multiple streams of packets through a packet switching system. During each time slot, one...
Automatically applying bi-directional quality of service treatment to
network data flows
A method and apparatus are provided for automatic reverse-direction or bi-directional quality of service treatment of network data flows. A network device...
System and method for processing data in a memory array
A method for processing data is provided that includes receiving a first request in a first clock cycle from a processor for access to a first data segment...
Intrusion detection system and method having dynamically loaded signatures
An intrusion detection system and method for detecting unauthorized or malicious use of network resources includes an intrusion detection analysis engine that...
ARP packet to preserve canonical form of addresses
The invention is a new field in an ARP packet which designates the canonical format of the addresses written into fields such as ar$sha (the source station...
Determining a path through a managed network
A method and apparatus that provides for determining a packet transmission path for a managed network using Internet Protocol is disclosed. A network management...
Method and apparatus for conducting call waiting-caller identification in a
packet switched network
The invention uses a novel signaling protocol for conducting call waiting-caller ID messaging. Instead of waiting for an acknowledge back from the caller ID box,...
Efficient network multicast switching apparatus and methods
Efficient switched network multicasting techniques are provided. Incoming multicast packets are processed by a central forwarding engine (CFE) in a network...
TDM switching system and ASIC device
In another embodiment, an ASIC device includes a first RAM that stores a code for each of multiple first time slots. Each code is combined with corresponding...
Access and control system for enhanced audio capabilities in an integrated
telephony/high speed data access device
A telephone to digital data network interface 118 and method for its operation are disclosed. Interface 118 provides a connection point 52 and a standard line...
Reducing delays in a communication network using a re-fragmentation
A method and apparatus are described to reduce delay in a communication network. A fragmentation unit re-assembles a packet received from a first data link. A...
Method and apparatus for providing user control of audio quality
A system (10) provides a user of a communication device with the ability to control an audio quality of the audible sound generated by the communication device,...
System and method for controlling a telephony communication session
A telephony system includes a hybrid switch coupled to a packet network and a TDM network. The switch establishes a communication session using one of these...
Method and system for providing a global product services electronic
One embodiment of the present invention provides a global product services electronic laboratory (E-Lab). For example, the E-Lab may be an on-line virtual...
Method and apparatus for locating a faulty component in a cable television
system having cable modems
A method and system for locating faulty components in a cable modem network configured within a hybrid fiber-coaxial cable television system by tabulating modem...
Packet-switched telephony with circuit-switched backup
A packet voice switch 60 and method for its operation are disclosed. The switch comprises a network switching means, preferably implemented within its host...
Method and apparatus for determining troubleshooting information for
completed calls in a telecommunications...
A method is disclosed for creating and storing troubleshooting information for diagnosing one or more problems experienced in one or more completed voice calls...
System and method for prioritizing packetized data from a distributed
control environment for transmission...
A priority scheme is provided for ports assigned to respective channel units in a channel bank. The priority scheme is based on an amount of preallocated...