At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
Flexible software-based packet switching path
A software-implemented switching path includes separate control and data planes with the data plane having a graph of feature nodes with each node implementing a...
Techniques for encapsulating point to point protocol (PPP) over Ethernet
Techniques for negotiating Point-to-Point Protocol (PPP) sessions over an Ethernet network include receiving configuration data that indicates a first node is...
NAT processing in a VRF environment
A method for packet routing includes receiving packets over a plurality of virtual private networks (VPNs). Each of the packets includes a respective virtual...
Method and apparatus for determining the source of user-perceived voice
quality degradation in a network...
Techniques for finding the source of perceptual audio degradation in an IP telephony environment provide a hop-by-hop analysis of a network over which IP...
Forwarding for network devices
Techniques for implementing forwarding in network devices are provided. Proxy addresses are used in place of next hop addresses so that a large routing table is...
Duplex mismatch testing
A method for testing a communication network includes transmitting at least one unidirectional flow over a path through the network, and measuring arrival...
Redundant packet routing and switching device and method
A router and method therefore for routing and switching a packet from an incoming link to an outgoing link. The router may include a plurality of network...
System and method for securing transactions in a contact center
A system and method for protecting confidential user information employed in an electronic transaction. The system and method provide for associating an...
Dynamically changing communication modes
Systems and methods for implementing a communication mode for a communication terminal are provided. An embodiment of a method for implementing a communication...
Method and apparatus for outage measurement
An Outage Measurement System (OMS) monitors and measures outage data at a network processing device. The outage data can be stored in the device and transferred...
Quaternary content-addressable memory
A quaternary content-addressable memory includes multiple entries configured to match a lookup word, with each of these entries including multiple cells and with...
Interchangeable standard port or stack port
An Interchangeable Standard Port or Stack Port (ISPSP) uses a standard physical connector such as an RJ-45 or SFP. The ISPSP automatically detects whether it is...
Shared distribution media resources in a communication network
A method for sharing distributed media resources includes determining at a first call manager that a telephony device controlled by the first call manager...
Method and apparatus for providing automatic frame relay and ATM
provisioning of network devices
A method is disclosed for automatically provisioning network devices for use with virtual circuit networks, such as frame relay and ATM networks. The device...
Programmatic interface to network device operating system
A method and apparatus for processing a network operating system operation is provided. A network management application that configures and monitors network...
Service locator technique implemented in a data network
A service locator technique is described. According to a specific embodiment, the service locator technique may be configured to provide a distributed DNS-based...
Distributed network system architecture for collaborative computing
A distributed collaborative computer system is provided that comprises a plurality of server computers interconnected via a high-speed link. Client computers can...
Method and system for annotating configuration files
A method, a system, a computer readable medium, and an apparatus for providing information related to a configuration file to a user are provided. The user...
Method and apparatus for accessing remote storage using SCSI and an IP
A storage router and method for creating a first session to a first information-handling system on a first network supporting IP packets, the network having a...
Propagation of minimum guaranteed scheduling rates among scheduling layers
in a hierarchical schedule
Methods, apparatus, data structures, computer-readable media, and mechanisms may include or be used with a hierarchy of schedules with propagation of minimum...
Technique for efficiently routing IP traffic on CE-CE paths across a
A technique efficiently routes Internet Protocol (IP) traffic on paths between customer edge devices (CEs) across a provider network ("CE-CE paths") in a...
Communicating packets between forwarding contexts using virtual interfaces
Packets are communicated between forwarding contexts (e.g., virtual routers, logical routers, and/or private networks) using virtual interfaces in communications...
Route processor adjusting of line card admission control parameters for
packets destined for the route processor
Disclosed are, inter alia, methods, apparatus, data structures, computer-readable media, and mechanisms, for a route processor adjusting admission control...
Method and system for selecting a dynamic object in a graphical user
A method and system for selecting a dynamic object in a Graphical User Interface (GUI), is provided. The GUI is represented by a matrix comprising a plurality of...
Arrangement in a router for establishing multicast group hierarchy and
Routers of a content network include routing entries that specify aggregation levels, enabling the routers to establish a tree-based topology within an...
Prioritizing network management traffic
In a computer network, network management applications in a network management station manage and control managed elements connected to the network through the...
Collaborative beam forming of base transceiver stations for reducing
interference in a wireless multi-cell network
A method of signal transmission and reception for a cellular wireless network is provided comprising detecting signal strength of signals transmitted or received...
Multi-carrier frequency-division multiplexing (FDM) architecture for high
speed digital service in local networks
Disclosed herein are methods of providing a client with local area network connectivity and access to other services in a cable network. One such method...
Fibre channel frame-mode GFP with distributed delimiter
A technique for providing multiple Fiber Channel frames in one frame-mapped GFP transport frame. GFP conventions are followed, except that a Distributed...
Token registration of managed devices
A communication system includes a controller for managing a number of communications devices. The controller receives registration requests from the devices and...
Arrangement in a gateway for registering mobile routers of a mobile AD HOC
network to respective home agents
A gateway, configured for providing connectivity between a wide area network and mobile routers within a mobile ad hoc network, is configured for registering the...
Method and apparatus for implementing forwarding decision shortcuts at a
In one embodiment, a first packet is forwarded based on a network layer routing decision rendered by a router. A shortcut entry is generated based on a first...
Method and apparatus for measuring one-way delay at arbitrary points in
Timestamps are inserted into trace packet expiration messages to identify delay in a network. A Time To Live (TTL) value in the trace packet is varied to...
Mechanisms for providing connectivity in NAT redundant/fail-over scenarios
in unshared address-space
Disclosed are methods and apparatus for facilitating reliable session based communication with a local host via a subnet of redundant network devices that also...
Method and system for a graceful reroute of connections on a link
A method and system for a graceful reroute of connections on a link are described. According to one embodiment, in a digital communications network, a method...
Methods and apparatus for automated creation of security policy
An automated method and apparatus for creating a security policy for one or more applications is provided. The method includes exercising the features of the one...
Method and apparatus for managing security policies on a network
Security policies that regulate communication packets on a network may be segmented into independent sets, where each security policy of an independent set does...
Locally-updated interactive program guide
A method for providing an interactive program guide (IPG) includes receiving from a user a request for an IPG, and providing the user with an IPG that includes...
Copy protection built into a network infrastructure
A method for a network infrastructure copy protection system. The method includes the step of applying a digital signature to a digital content file prior to...
Managing a content distribution system using virtual content-distribution
A technique can be used to obtain content (e.g., a live feed, pre-positioned content, etc.) from a content-originating device (a content source). The technique...
Transmitting streams over asynchronous networks
A network stream transmitter receives a transport stream having content packets and packets to be filtered out and is adapted to selectively encapsulate content...
Pseudowire termination directly on a router
A method, apparatus and computer program product for routing data within a packet-switched network using a PW wherein the PW is terminated directly on the...
Methods and apparatus to configure a communication port
A data communication device automatically configures its own communication ports based on attributes of a remote device with which it communicates. The process...
Arrangement for providing content-based quality of service for a service
flow based on parsing XML tags...
A network node, for example a router, is configured for assigning network parameters for an identified flow of data packets associated with an application...
Method and system for a method for evaluating a message based in part on a
A method and system for evaluating a message. A message including an originator is received. A registrar lookup for determining a registrar for the originator is...
Wireless network security mechanism including reverse network address
Methods, apparatuses and systems directed to preventing unauthorized access to internal network addresses transmitted across wireless networks. According to the...
Node dependent wireless transmit antenna selection technique
A system and method for selecting a best transmit antenna for a transceiver using antenna diversity that caches the identity of the best transmit antenna for...
Frequency synthesizer and synthesis method for generating a multiband
local oscillator signal
A phase locked loop (PLL) frequency synthesizer to produce a local oscillator signal for a transmitter for operation at a plurality of RF frequency bands that...
Error vector magnitude selection diversity metric for OFDM
Described herein is an apparatus for inclusion in a station of a wireless network, and a method implemented in a station of a wireless network. The method...
Method and system for self-calibrating transmit power
A small number of transmissions are performed at a sufficient number of frequencies and power levels so that a correlation between frequency, measured power, and...