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Advanced multicast support for cable
Embodiments may comprise a cable network that shifts control plane functionality for multicast sessions to a cable modem termination system allowing multicast...
System and method for performing signaling on behalf of a stateless client
A system for, and method for, performing state-based signaling on behalf of a stateless client. In one embodiment, the system includes a controller, couplable to...
System and method for concurrently utilizing multiple system identifiers
System and method for providing access to multiple wireless service providers (WSPs) on a shared network infrastructure. The system includes a plurality of...
System and method for determining the mergeability of spanning tree
A system and method provide for reducing a number of topology instances in a network portion implementing a multiple instance topology. Various embodiments...
OSPF unidirectional link support for unidirectional return paths
A method of supporting a unidirectional link from a first router to a second router, the first and second routers existing in an area of a communication network,...
Method and system for PHY loop detection
A method, system and apparatus are provided for detecting a loop-back in a physical layer on an Ethernet link. In the physical layer, a device sends a base page...
Forwarding data in a data communications network
An apparatus is described for forwarding data in a data communications network having as components nodes and links therebetween in which nodes obtain a...
Convergence processor for media streams
Multicast groups provide a mechanism to deliver simultaneous media content to a plurality of users. In streaming media systems, such as audio and video systems,...
Methods and systems for transforming an AND/OR command tree into a command
Methods and systems of transforming an AND/OR command tree into a command data model are described. An unsimplified command data model is generated from the...
System and method for displaying sticky notes on a phone
A system and method for displaying sticky notes on a phone are provided. The system for displaying sticky notes on a phone includes a processing system and a...
Stateless online web page editing system and method
A system and a method of editing Web page online wherein the original web page is converted into block version web page by creating a server based application...
Inline power policing
In a wired data telecommunication network power sourcing equipment coupled to a powered device performs policing of power drawn by the powered device. In one...
Method and system for detection of aliases in a network
The invention provides a method and system of detecting aliases in a network. The network comprises at least one device and at least one Network management...
Methods and apparatus to support routing of information
A first network node maintains separate routing policy information to forward network traffic depending on a direction of the network traffic. Upstream routing...
Application layer message-based server failover management by a network
A method is disclosed for application layer message-based network element management of server failures. According to one aspect, a network element such as a...
Management of LAN devices behind firewalls via dual mode mobile device
Methods and systems are provided for enabling a service provider to manage a service node that is separated from the service provider by a firewall. A dual-mode...
Determining effective carrier-to-interference plus noise ratio in OFDMA
Techniques are provided to determine a more realistic measure of a physical carrier-to-interference plus noise radio (pCINR) associated with a wireless channel...
Method and system for automatic modem bandwidth detection in a router
A method and system for automatic modem bandwidth detection. The method includes the step of transmitting a plurality of probe packets from a router to an...
Load balancing of broadband subscriber sessions
We describe an example system that includes a plurality of aggregation nodes. Each aggregation node is configured to generate a node utilization data. A pool...
Virtual private LAN service networks with mixed mode network devices
In one embodiment, a method generally includes identifying at a local Virtual Private LAN Service Provider Edge (VPLS PE) device whether remote VPLS PE devices...
Fabric channel control apparatus and method
A method for receiving packet data at a communication channel and transmitting the packet data over serial links of the communication channel. The packet data is...
Method and system for determining path maximum transfer unit for IP
A method and system for determining path maximum transfer unit (PMTU) in an Internet Protocol (IP) multicast is described. If a packet of a size greater than the...
Techniques for decreasing queries to discover routes in an interior
Techniques for recovering lost routes include receiving reported costs for transmitting data to a destination from neighboring nodes; and determining total costs...
Method for improving the performance of a wireless communications network
by using beamformed virtual antennas
The present invention discloses a method for wireless communications network performance in transmitting a message. The method comprises creating a first...
Method of determining transit costs across autonomous systems
A method for determining a cumulative network layer reachability cost of traversing one or more autonomous network routing systems comprises receiving first...
Method and system for bypassing a core network in establishing a call
between endpoints on different media gateways
A method and system for establishing a call between two endpoints residing on different media gateways in a decomposed voice over packet architecture. Cluster...
Managing the bandwidths of virtual circuits when the aggregate bandwidth
to an adjacent device changes
The bandwidth of a virtual circuit is changed when the aggregate bandwidth available on path(s) to an adjacent ATM device (through which the VC is provided)...
Prevention of protocol imitation in peer-to-peer systems
A method for allocating a resource in a computer network includes accepting from a peer a request to download a data item using a P2P protocol via the computer...
Constructing a repair path in the event of non-availability of a routing
In one embodiment, an apparatus and method are described for constructing a repair path in the event of non-availability of a routing domain component of a...
Powered communications interface with DC current imbalance compensation
A communications interface circuit includes data signal transformers for transmitting and receiving interface data signals. Each data signal transformer has a...
Server preventing attacks by generating a challenge having a computational
request and a secure cookie for...
A server is configured for preventing flood attacks by a client having sent a request, by dynamically generating a challenge to be performed by the client before...
System and method for applet caching
The invention involves a method for an Applet to be stored on a hard drive attached or available to a computer, such that the Applet is available to other...
Collecting debug information according to user-driven conditions
Collecting debug information includes facilitating a communication session for an endpoint operated by a user. One or more user-driven conditions are monitored,...
Network router failover mechanism
A method, system, and logic for determining connectivity information for routers running on servers that are attached to a device. A router is resigned in favor...
System and methods for integration of behavioral and signature based
Conventional matching approaches to virus detection are ineffective pending deployment of a signature to match a newly discovered virus. In contrast, a...
Firewall for gateway network elements between IP based networks
Techniques for implementing a firewall in a gateway network element between two IP based networks is provided. Packets can be filtered out that specify the...
Techniques for load balancing over a cluster of subscriber-aware
Techniques for distributing control plane traffic, from an end node in a packet switched network to a cluster of service gateway nodes that host subscriber-aware...
System and method for dynamically upgrading / downgrading a conference
A conferencing system includes a plurality of ports for network connection to endpoint devices of participants to a conference session. A mixer receives input...
Technique for dispatching data packets to service control engines
A dispatching technique dispatches packets to a plurality of service control engines (SCEs) which in aggregate may be configured to handle traffic produced by a...
System and method for scheduling conference resources
A method for scheduling conference resources is provided, that includes receiving a request for a conference reservation. The request may include the identities...
Enhanced load based wireless call admission control
In one embodiment, a method includes monitoring utilization of an access medium relative to one or more access classes, receiving a QoS request. The QoS request...
System and method for return to agents during a contact center session
A system and method for servicing a caller at a contact center includes a processor subsystem and one or more modules that include code executable by the...
Lip synchronization for audio/video transmissions over a network
In one embodiment, a system includes a video mixer coupled with an audio mixer for exchange of information that includes a first set of delay values respecting...
Mechanisms for translating between two different voice-over-IP protocols
Disclosed are methods and apparatus for translating data within a cable network between a first voice-over-IP (VOIP) protocol used by a user agent and a second...
Intelligent ALG functionality in networks supporting endpoints performing
network address translation
In one embodiment, a signaling message is received from an endpoint. It is determined from the signaling message whether, prior to sending the signaling message,...
Method and system for filtering traffic from unauthorized sources in a
A method and system for filtering traffic in a multicast network are disclosed. Multicast packets are received at a network device which has a multicast routing...
Method and system for performing circuit upgrade
A system and method for performing an upgrade in a communication network comprising network elements coupled together to form one or more circuits are disclosed....
Detection algorithm for delivering inline power down four pairs of an
ethernet cable to a single powered device
Methods and apparatus for determining that all conductors of an Ethernet connection are connected to the same powered device (PD). In one disclosed embodiment,...
Forwarding packets to a directed acyclic graph destination using link
selection based on received link metrics
Each network node having at least one destination-oriented link toward a directed acyclic graph (DAG) destination can receive a corresponding set of path...