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Technique for synchronizing multiple access controllers at the head end of
an access network
A technique is described which may be used to synchronize a plurality of different access controllers which control a plurality of distinct ports at the Head End...
Method, apparatus and computer program product for borrowed-virtual-time
The present invention includes a scheduling mechanism that fairly allocates a resource to a number of schedulable elements of which some are latency-sensitive....
Network router configured for executing network operations based on
parsing XML tags in a received XML document
A router is configured for routing, via an open protocol network, a received message to a destination node based on parsing an XML portion within the received...
Performing lookup operations using associative memories optionally
including selectively determining which...
Methods and apparatus are disclosed for performing lookup operations using associative memories, including, but not limited to modifying search keys within an...
Network management systems that receive cross connect and/or other circuit
information from network elements
A network management systems (NMS) queries network elements (NEs) and receives information on cross connects set up at the NEs and other circuit information....
System and method for policy-enabled, contract-based management of network
operational support systems
A method and apparatus is disclosed for policy-enabled, contract-based management of network operational support systems. A policy kernel utilizes multiple...
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...
Link discovery and verification procedure using loopback
Systems and methods for link discovery and verification technique that minimize the need for line termination resources that generate and interpret packets. Of...
Method and system for managing call requests in a limited bandwidth
According to one embodiment of the invention, a method for managing call requests in a limited bandwidth environment includes receiving a call request from a...
Status messaging using associated phone tags
A method for managing communication requests includes receiving tag information from a user of a communication device, and associating the tag with a...
Method and system for managing inverse multiplexing over ATM
A method and system for managing inverse multiplexing over ATM is disclosed. In one embodiment, a method for use in a digital communications network, comprises...
Method and apparatus for end-to-end ATM calls based on the interworking of
ATM switched virtual circuit...
Methods and apparatus are disclosed for end-to-end ATM calls based on the interworking of ATM SVC signaling (such as private network-network interface signaling)...
Method and apparatus for scheduling and interleaving items using quantum
and deficit values including but not...
Methods and apparatus are disclosed for scheduling items (e.g., packets, processes, etc.) in a system, such as, but not limited to a computer or communications...
Performing compression of user datagram protocol packets
Performing compression includes receiving at a compressor a flow comprising packets, where each packet has a packet identifier. The packet identifiers are...
Method and apparatus for dynamically generating lookup words for
Methods and apparatus are disclosed for using a programmable lookup word generator to produce a lookup word for use by a content-addressable memory. The...
VC sharing for multicast in a computer network
Only one point to multipoint virtual circuit (p2mp VC) is used within a router to handle all of the sources for a particular multicast group when other...
Frame relay over point to multipoint links
Frame Relay connectivity is provided via point to multipoint networks. Frame Relay access can thus be readily provided via point to multipoint networks such as...
Method and system for providing telecommunication services by a plurality
of service providers
According to one embodiment of the invention, a method for providing communications services includes providing a digital subscriber line access multiplexer...
Technique for restoring adjacencies in OSPF in a non-stop forwarding
intermediate node of a computer network
A technique restores adjacencies between a non-stop forwarding (NSF) router and its neighboring routers during reload of routing protocol software on the NSF...
Method and apparatus for automatic activation of a clock master on a
A method of automatically activating a clock master circuit in a stack of repeaters includes selectively connecting a first on pin in a first repeater to a...
Automatic protection switching line card redundancy within an intermediate
An apparatus and technique configures an intermediate network node, such as an aggregation router, to implement automatic protection switching (APS) redundancy...
Method and apparatus to reduce latency in a data network wireless radio
A radio receiver for implementing the physical layer receiving function (PHY) of a wireless data network includes a receive processing pipeline for processing...
Methods and apparatus for securing a heat sink to a circuit board
A heat sink attachment mechanism includes a fastener having an associated compressible member. The fastener defines a flange that, as the fastener secures a heat...
Techniques for forming electronic documents comprising multiple
Techniques for forming electronic documents include storing a plurality of information types for describing how information is used. Also, a plurality of...
Early detection of false start-of-packet triggers in a wireless network
An apparatus, a carrier medium storing instructions to implement a method, and a method in a node of a wireless network able to receive packets that exactly or...
Secure digital appliance and method for protecting digital content
A method and apparatus for protecting digital content. A secure digital appliance is disclosed for receiving communications coupled over a communication network....
Method and apparatus for unified exception handling with distributed
Unified exception handling may be provided by processing a data packet through at least two pipelined processing stages in a data packet processor such as a...
Method and apparatus for selecting transfer types
A transfer type selector selects a transfer type used for maintaining cache coherency according to address values used for accessing memory and is programmable...
Efficient IP load-balancing traffic distribution using ternary CAMs
Disclosed is an apparatus and method for distributing traffic to one or more selected cache systems or servers. In general terms, a content addressable memory...
Service selection gateway (SSG) allowing access to services operating
using changing set of access addresses
A service selection gateway (SSG) which allows a subscriber to access services operating using a changing set of access addresses. The SSG may be initially...
Methods and apparatus for content server selection
Methods and apparatus providing information about characteristics associated with a network are described. A network node associated with a client for selecting...
Method and apparatus for communicating hot objects of a server to the
server's load balancer
More effective load balancing by a Server Load Balancer may be achieved by implementing extended Server Load Balancing information in a server. The extended...
System and method of using two coefficient banks in an adaptive echo
A device has a first echo canceller having a first bank of coefficients to be applied to a reference signal to produce a first echo prediction signal, and a...
Synchronous stack bus for fast Ethernet repeater
Provided is a synchronous stack bus repeater system for a computer network. The system includes a plurality of stacked repeaters, a stack bus linking the...
Weighted random scheduling particularly applicable to packet switching
Weighted random scheduling is preformed, which may be particularly applicable to packet switching systems. For each particular input of multiple switch inputs, a...
Packet voting in wireless communications systems
A wireless communications system includes a core packet network coupled to multiple base transceiver stations, each station providing wireless services to mobile...
Spanning tree loop guard
A system and method prevents the formation of loops that are not detected by the Spanning Tree Protocol (STP). An intermediate network device preferably includes...
Network traffic shaping
A method for shaping network traffic in a computer network is described for packet data networks. The method includes one or more packet queues for traffic...
High availability architecture for network devices
A method and apparatus allows for continued operation of one or more applications running at a network device with reduced delay despite crashes or failures at...
Wireless computer network including a mobile appliance containing a single
A wireless computer data network includes several untethered mobile units that make ad-hoc data connections with an Internet-connected base station using the...
Inline power device detection
According to one embodiment of the invention, a method for providing power to a device coupled to a communications switch through a data line is provided. The...
Single height housing
Computer security and management system
The present invention provides a generic distributed command, control, and communication framework that allows computer systems, devices, and operational...
Method and system for digitally signing MPEG streams
The present invention discloses a method and system for embedding a digital signature into an MPEG stream. In the preferred embodiment, the digital signature is...
System and method for managing data in a distributed system
A memory system includes a client device and multiple memory devices. The client device communicates an operation request pertaining to a particular data object...
Arrangement for routing a received signaling message based on a selected
summary route in an SS7 network
A signaling network node is configured for generating a routing decision based on selectively masking a point code field from a received SS7 signaling message....
System and method for generalized URL-rewriting
A URL re-writing system and method in a network examines and modifies HTML data and its embedded URLs. The re-writing system can be implemented in a router and...
Voice quality improvement for voip connections on low loss network
The type of audio stored in the payload of a data packet transmitted over a data network is identified as speech audio or non-speech audio through the use of a...
Method and apparatus for simulating a plurality of cable modems
Disclosed is an apparatus and method for simulating a plurality of cable modems for testing a device, such as a head end complex. In general terms, the present...
Method and system for participant control of privacy during multiparty
A method and system for participant control of privacy during a multiparty communication session includes receiving a request from a first participant to a...