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Patent # Description
US-6,463,096 MAC protocol employing multiple data rates
Method and apparatus for combining high data rate traffic and low data rate traffic on a common transmission medium while maximizing efficient use of available...
US-6,463,068 Router with class of service mapping
A router includes a classifier that classifies packets assigned to 2.sup.n-m classes of service into 2.sup.n classes of service that are supported by the router....
US-6,463,065 Mixed topology data switching system
Methods and apparatus for enabling communication between a source network device and one or more destination network devices are disclosed. A system enabling...
US-6,463,061 Shared communications network employing virtual-private-network identifiers
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...
US-6,462,435 Cable detect and EMI reduction apparatus and method
A repeater, useable for connecting switches in a data communication network, is provided in a distributed and/or modular fashion. The repeater includes a...
US-6,460,146 System and method for establishing processor redundancy
The present invention relates to providing processor redundancy in a system such as a router. According to an embodiment of the present invention, in a system...
US-6,460,084 Forced network portal
A system manages communications between a user and a network by receiving a user request for access to a network file during a user network connection session...
US-6,457,138 System and method for crash handling on redundant systems
The present invention relates to providing processor redundancy in a system such as a router. According to an embodiment of the present invention, when a primary...
US-6,457,058 Network switch with hash table look up
An improved look up mechanism for accessing a RAM to obtain forwarding information for data frames being transported among ports of a high-performance switch is...
US-6,456,593 Communicating packetized data over a channel using a dual leaky bucket priority scheme for assigning priorities...
A priority scheme is based on an amount of preallocated bandwidth unused by channel unit ports. A first water level in a first bucket is associated with an...
US-6,456,406 Transparent optical self-healing-ring communication network
An optical self-healing-ring communication network is described which includes: a first optical communication line, forming a closed optical path; at least two...
US-6,453,472 Method and apparatus for performing periodic ranging for cable modems
Disclosed are a method apparatus for performing periodic ranging with a cable modem. It is determined whether an actual power level of the cable modem requires...
US-6,453,430 Apparatus and methods for controlling restart conditions of a faulted process
A system including a method and apparatus are provided for controlling fault conditions in a computer controlled device such as a data communications device. The...
US-6,453,357 Method and system for processing fragments and their out-of-order delivery during address translation
A set of packetized fragments in which only a portion of the fragments carry translation information for the set of fragments is translated by storing in a...
US-6,453,039 Method and apparatus for robust call routing
Apparatus and method for performing a recoverable routing of calls using an automatic call distributor to avoid loss of calls at busy agent terminals. Switching...
US-6,452,981 Spatio-temporal processing for interference handling
A space-time signal processing system with advantageously reduced complexity. The system may take advantage of multiple transmitter antenna elements and/or...
US-6,449,655 Method and apparatus for communication between network devices operating at different frequencies
A method for communicating information in a communication network having a first high speed device, a second high speed device, and a low speed device includes...
US-6,449,647 Content-aware switching of network packets
A content-aware flow switch intercepts a client content request in an IP network, and transparently directs the content request to a best-fit server. The...
US-6,449,255 Method and apparatus for managing packets using a real-time feedback signal
A technique manages packets in a data communications device having a memory using a real-time feedback signal. The technique involves transmitting an initial set...
US-6,449,252 ATM path cell scheduling for constant and variable bit rate traffic
A system schedules both CBR and non-CBR traffic on one or more virtual paths in accordance with associated aggregate peak cell rates by including in a stream of...
US-6,449,171 Telecommunications modular cardholder with integral handle
A method for forming a telecommunications modular cardholder comprises providing a generally flat workpiece; cutting a handle in the workpiece while leaving the...
US-6,449,150 Method and system for cooling a card shelf
A method and system for cooling a card shelf includes a backplane, a plurality of side support members disposed proximate the backplane, a top support member...
US-6,446,230 Mechanism for enabling compliance with the IEEE standard 1149.1 for boundary-scan designs and tests
A mechanism for enabling compliance with the IEEE boundary-scan standard 1149.1 includes, in a first preferred embodiment, a compliance enabler working with...
US-6,446,122 Method and apparatus for communicating quality of service information among computer communication devices
A method and apparatus allows a switch or other network equipment device to provide Quality of Service information to a router or other user equipment devices...
US-6,446,121 System and method for measuring round trip times in a network using a TCP packet
An embodiment of the present invention is a system and method for measuring round trip times in a network, such as the Internet, by utilizing a packet, such as a...
US-6,445,793 Adjustable telephone system and method
An adjustable telephone system includes a base and a support coupled to the base. The support is operable to dispose the base in a plurality of positions...
US-6,445,715 Dynamic trunk protocol
A dynamic trunk protocol enables dynamic negotiation of trunk encapsulation types between ports connecting intermediate stations in a computer network. The...
US-6,445,704 Method and apparatus for virtualizing a locally initiated outbound connection from a connection manager
A system and method are disclosed for virtualizing locally initiated outbound connections from a physical machine used to implement a virtual machine. The method...
US-6,445,697 Audio codec reselection for increased port density
An Internet telephony gateway and method for operating a gateway are disclosed. The gateway is designed with a port to support a predefined maximum number of...
US-6,445,314 System and method for the decoding of variable length codes
A system for decoding variable length codes comprises a window buffer, a unique variable length code look-up table and a decoder. The window buffer is coupled to...
US-D462,237 Beer glass
US-6,442,714 Web-based integrated testing and reporting system
A centralized product testing system and method for its operation are disclosed. The system has a test application server that communicates with remote users as...
US-6,442,669 Architecture for a process complex of an arrayed pipelined processing engine
A processor complex architecture facilitates accurate passing of transient data among processor complex stages of a pipelined processing engine. The processor...
US-6,442,610 Arrangement for controlling network proxy device traffic on a transparently-bridged local area network using...
A transparently-bridged wide area network connecting Ethernet/IEEE 802.3-based local area networks uses redundant proxy devices one each LAN for internetwork...
US-6,442,608 Distributed database system with authoritative node
An authorizing apparatus for use with a client that connects to a first server in a network is described. The authorizing apparatus includes a second server that...
US-6,442,165 Load balancing between service component instances
Service requests, which are used to properly process a network access request received from a client, are processed by routing the service requests between at...
US-6,442,130 System for interference cancellation
A spatial processor that exploits signals that arrive via multiple outputs of a communication channel to provide soft decision values useful to a trellis or...
US-6,438,678 Apparatus and method for operating on data in a data communications system
A programmable data communications device is provided to process multiple streams of data according to multiple protocols. The device is equipped with a...
US-6,438,606 Router image support device
A multi-network system is provided with a facility for storing an old or superseded router image without the need for increasing router memory. A local storage...
US-6,438,133 Load balancing mechanism for a translational bridge environment
Mechanism for use in an internetworking device incorporating a translational bridging function to provide load balancing across multiple instances of the same...
US-6,438,123 Method and apparatus for supporting header suppression and multiple microflows in a network
A first packet processing node in a header suppression mode suppresses transmission of one or more packet headers. A second packet processing node receives the...
US-6,438,102 Method and apparatus for providing asynchronous memory functions for bi-directional traffic in a switch platform
A method and apparatus for providing asynchronous memory functions for bi-directional cell traffic in a switch platform are provided, wherein a parameterized...
US-6,437,906 All-optical gain controlled L-band EDFA structure with reduced four-wave mixing cross-talk
An approach for minimizing four-wave mixing (FWM) cross-talk (XT) in a WDM (wavelength division multiplexing) optical communication system is disclosed. An...
US-6,434,703 Event initiation bus and associated fault protection for a telecommunications device
A telecommunications device includes an event initiation bus, at least one card coupled to the bus that can execute an event, and at least one controller also...
US-6,434,700 Authentication and authorization mechanisms for Fortezza passwords
A method and apparatus that provide network access control are disclosed. In one embodiment, a network access control apparatus is configured to receive and...
US-6,434,627 IP network for accomodating mobile users with incompatible network addressing
An flexible address translation method allows a computer network to automatically learn that a visiting node has attached and then automatically establish a...
US-6,434,624 Method and apparatus for identifying network data traffic flows and for applying quality of service treatments...
A system within a computer network identifies specific traffic flows originating from a given network entity and requests and applies appropriate policy rules or...
US-6,434,612 Connection control interface for asynchronous transfer mode switches
A connection control interface for switches in a network is provided. The connection control interface allows the multiservice switch to provide a number of...
US-6,434,608 Methods and apparatus for caching network traffic
Methods and apparatus are described for caching a first data object in a cache. In response to a data request for the first data object, it is determined whether...
US-6,434,185 Correlation system for use in wireless direct sequence spread spectrum systems
A correlation system for use in wireless direct sequence spread spectrum systems includes a RF down converter which receives an encoded RF signal and generates...
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