"During my service in the United States Congress, I took the initiative in creating the Internet."
Al Gore ; The basis for the later misquote by US Republicans that Gore had "invented" the Internet. Gore was the leading political champion of the modern-day Internet.
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| Number | Title | Issue Date |
| 8116212 | Line status monitoring circuit, node, communication system, and failure occurrence determining method A line status monitoring circuit receives a frame through one of a number of lines from another node connected through a redundant transmission channel which is made redundant by the lines. The line status monitoring circuit includes a line-specific check frame moni... | 02/14/2012 |
| 8107382 | Loop detection in a communications network A first node includes ports and a controller to receive a test packet at a first one of the ports. The first node determines whether the received test packet has a destination address that matches one or more predefined addresses associated with a second node. Prese... | 01/31/2012 |
| 8072891 | Method and apparatus for programmable generation of traffic streams Methods and apparatus provide single or multi-port, flexible, cost-effective, built-in self-test capabilities for network communications equipment, such as for example switches, and programmably generate, and subsequently analyze, one or more sequences of test packe... | 12/06/2011 |
| 8031620 | Method and system for real time simultaneous monitoring of logical circuits in a data network Methods and systems are provided for real time simultaneous monitoring of logical circuits. In accordance with an example method, first status information is requested for a first logical connection at a host end of a logical circuit comprising the first logical con... | 10/04/2011 |
| 8018860 | Network maintenance simulator with path re-route prediction Re-routing interactions are predicted for a communications network including a plurality of network elements. A respective device state image is constructed for each of the plurality of network elements, with each of the device state images including a failover sett... | 09/13/2011 |
| 8000252 | Multi-path network element monitoring A network element is configured to function as a first virtual element and a second virtual element. A first monitoring packet is sent to the first virtual element via a label switched path. A second monitoring packet is sent to the second virtual element via an int... | 08/16/2011 |
| 8000253 | Detection program, relay device, and detecting method Only when a request formed of a plurality of request packets obtained by dividing the request is reconstructed, the request is transmitted to a survey target node that returns a response formed of a plurality of response packets obtained by dividing the response. Wh... | 08/16/2011 |
| 7948904 | Error detection for data frames A method for detecting data frame mode mismatch errors may include receiving a data frame that includes an overhead byte. It may be determined whether a value associated with the overhead byte indicates that a transmitting device operating mode matches a receiving d... | 05/24/2011 |
| 7940680 | Controlled exception-based routing protocol validation Systems and methods for testing an implementation of a routing protocol in a device are disclosed. Generally, a sequence of protocol messages is provided and a test is performed to test how a device reacts to a specific playback rate for the sequence of protocol mes... | 05/10/2011 |
| 7929448 | Monitoring link aggregation links A device detects a signal condition for a link aggregation group (LAG) link, compares the detected signal condition to a signal threshold range, and enables one of a disabled state or a disabled timer state for the LAG link if the detected signal condition is outsid... | 04/19/2011 |
| 7894351 | Detection of link status in blade systems A method and a computer program product for detecting link status in a blade system are provided. The method and computer program product provide for generating a first pattern of characters at a server blade of the blade system, transmitting the first pattern of ch... | 02/22/2011 |
| 7885195 | Test system with user selectable channel A test system comprising: acquiring an upstream channel descriptor list; entering a pause network state when the upstream channel descriptor list is completed; and selecting a particular channel from the upstream channel descriptor list before exiting the pause netw... | 02/08/2011 |
| 7876693 | Testing and error recovery across multiple switching fabrics A packet-based traffic switching system with error detection and correction without taking the system offline. The system tests offline paths without interfering with other online paths. Also, the system tests online paths even while no data cell traffic is sent ove... | 01/25/2011 |
| 7852777 | Network hardware device A network hardware device of the invention includes a reception section receiving data from a network, and outputting a reception completion signal, a timer section measuring a preset time, and a delay section generating an interrupt signal so as to notify a host CP... | 12/14/2010 |
| 7848245 | Network-wide connection-based debug mechanism An improved mechanism for analysing connection establishment/teardown process or identifying failure points (i.e. nodes) in a PNNI network through the use of a novel debug IE (information element) that is propagated along the communication path for a given connectio... | 12/07/2010 |
| 7830807 | Fault isolation system and method A fault isolation system and method. A hierarchical numbering system is applied to devices within a subscriber network. The number system comprises a continuously concatenated string that provides a relative location of each active device with a subscriber network. ... | 11/09/2010 |
| 7817565 | Method of data integrity control in an AFDX network A data integrity checking system in a frame-switched on-board network, including at least first and second asynchronous transmitter terminals, with the second transmitter terminal being in charge of monitoring the first transmitter terminal, and at least first and s... | 10/19/2010 |
| 7804782 | Method and apparatus for programmable generation of traffic streams Methods and apparatus provide single or multi-port, flexible, cost-effective, built-in self-test capabilities for network communications equipment, such as for example switches, and programmably generate, and subsequently analyze, one or more sequences of test packe... | 09/28/2010 |
| 7792045 | Method and apparatus for configuration and analysis of internal network routing protocols A method and apparatus for operating on a system containing a plurality of components in communication using at least one communication protocol is disclosed. The method comprises the steps of representing selected ones of the plurality of components, the relationsh... | 09/07/2010 |
| 7792046 | Ethernet switch-based network monitoring system and methods A network data monitoring device provides for the flexible, programmable port-to-multi-port steering of data packet traffic between network port pairs, with tap data streams being directed to any of a plurality of monitor ports. The network data monitoring device is... | 09/07/2010 |
| 7787386 | Method and system for self-testing a line card According to one embodiment of the invention, a method for self-testing a portion of a line card having a digital signal processor for manipulating data received by the line card, and a transmit channel and a receive channel coupled to a combined transmit and receiv... | 08/31/2010 |
| 7782786 | Technique for providing dynamic modification of application specific policies in a feedback-based, adaptive data network A feedback-based adaptive network is described wherein at least a portion of the network elements report operating information relating to network conditions to a centralized data store. The information is analyzed by a policy engine which includes a plurality of sp... | 08/24/2010 |
| 7778188 | Network diagnostic systems and methods for transmitting and receiving network messages A networking system is provided. The networking system may include a network diagnostic component. The network diagnostic component may perform any of a variety of network diagnostic functions. The network diagnostic component may include a diagnostic module. The ne... | 08/17/2010 |
| 7778189 | Maintaining an existing connection between nodes Methods and systems for maintaining a connection between a first node and a second node communicating via a connection within a communication network. Data is communicated between the nodes on the basis of addresses assigned to the respective nodes. The addresses ar... | 08/17/2010 |
| 7778190 | Correlating label switched paths of a pseudowire In one embodiment, correlating label switched paths of a pseudowire includes receiving a first message at a second label switching router. The first message is sent from a first label switching router and includes a pseudowire identifier and a first label switched p... | 08/17/2010 |
| 7778191 | System and method for fast detection of communication path failures A system and methods for reducing detection time of path failures in a communications network is disclosed. Computing devices are organized into at least three groups based on their connectivity. The computing devices are assigned three identification values based o... | 08/17/2010 |
| 7768930 | Method and apparatus for determining problems on digital systems using audible feedback A method and apparatus tests a packet switching system by requesting one of a plurality of tests on the packet switching system via a telecommunication terminal; performing the requested one of the plurality of tests on the packet switching system; and presenting re... | 08/03/2010 |
| 7756045 | Optical cross connect apparatus and network An optical signal connection apparatus comprising a first node and a second node connects first and second optical signal transmission lines to respective first and second routers. The first node includes a first port coupled to the first router via the first optica... | 07/13/2010 |
| 7751334 | System and method for Skype traffic detection Networks carry various kinds of traffic and ISPs are keen to analyze the traffic so as to be able to support QoS on the distinct traffic flows. Traffic can be broadly categorized into two types: plain traffic and encrypted traffic. Further, each of these traffic typ... | 07/06/2010 |
| 7751335 | Failure handling system A failure handling system capable of performing failure notification and shutoff control, thereby improving network operability. When failure is detected, an outgoing frame shutoff controller performs shutoff control on the local device such that the local device st... | 07/06/2010 |
| 7746793 | Consistency between MPLS forwarding and control planes Systems and methods for assuring consistency between MPLS forwarding and control planes. The control plane can be made aware of forwarding plane anomalies and can respond appropriately. One particular application is assuring consistency between forwarding and contro... | 06/29/2010 |
| 7639623 | Method and system for real time simultaneous monitoring of logical circuits in a data network For real time simultaneous monitoring of logical circuits in a data network, a network management module receives trap data for a group of logical circuits in the data network. The trap data may include current status information for each of the circuits in the logi... | 12/29/2009 |
| 7633878 | Selectable loss of signal (LOS) criteria A system and method are provided for selecting loss of signal (LOS) criteria in a serial communications receiver. The method receives a serial stream of digital data and selects LOS criteria. The serial stream of digital data is compared to the selected LOS criteria... | 12/15/2009 |
| 7619981 | Apparatus, system, and method for identifying network mis-cabling An apparatus, system, and method are disclosed for detecting and reporting network mis-cabling. One embodiment of the apparatus includes a detection module, a comparison module, and a cabling connection module. The detection module is configured to detect a new conn... | 11/17/2009 |
| 7596095 | Network device test system and method for testing network device A network device test method is provided. The network device test method comprises providing at least one leasing module, at least one monitoring module, at least one saving module, at least one displaying module, and at least one agent module, disposed in the netwo... | 09/29/2009 |
| 7573828 | Fault isolation system and method A fault isolation system and method. A hierarchical numbering system is applied to devices within a cable network. Each subscriber is associated with a “last active device” or “LAD” providing service to that subscriber. The numbering system provides “genea... | 08/11/2009 |
| 7519002 | Method of switching between multiple call signaling protocol stacks in a voice quality tester and apparatus using same A system and method to test voice quality over a call path on a packet based network. A call signaling path is established between a first voice quality tester (VQT) and a second VQT. The call signaling path includes one among multiple call signaling stacks, each op... | 04/14/2009 |
| 7483383 | Stack manager protocol with automatic set up mechanism A stack switch for performing pass-through forwarding operations, assigning stack switch identifiers to a plurality of stack switches, temporarily disabling supervision messages exchanged by stack switches, and electing a primary master stack switch is disclosed. In... | 01/27/2009 |
| 7468949 | Method and device for medium-redundant operation of a terminal in a network The invention relates to a method and device for medium-redundant operation of a terminal in a network. The device comprises: a first transmission device (6) of a physical bit transmission plane which is connected to a network component (9) via a first... | 12/23/2008 |
| 7466656 | Method, apparatus and program storage device for efficient construction of network overlays through interconnection topology embedding Methods, apparatuses and program storage devices for constructing a network overlay via embedding an interconnection network in a network overlay graph are provided herein. The network delay distances between pairs of overlay nodes are measured on the shortest netwo... | 12/16/2008 |