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| Application No. | Application Title | Issue Date |
| 20120039187 | Intelligent Loop Diagnostics for Digital Subscriber Line Services to Support a Service Assurance System A method of diagnosing a transmission loop in an Internet protocol television (IPTV) network includes configuring the loop as an open loop and performing a single-ended loop test (SELT), configuring the loop as a terminated-loop and performing another SELT, subtracting ... | 02/16/2012 |
| 20120039188 | NETWORK CONECTION DEVICE AND METHOD FOR TESTING NETWORK PORTS OF THE NETWORK CONNECTION DEVICE A method tests network ports of a network connection device. Multiple port pairs of the network connection device are set. Each of the port pairs includes an external network port and an internal network port of the network connection device. Each internal network port ... | 02/16/2012 |
| 20120026869 | METHOD FOR MEAURING IP NETWORK PERFORMANCE AND CONTROLLING QOS, AND APPARATUS AND SYSTEM THEREOF The present invention discloses a method for measuring IP network performance and controlling IP network QoS, and apparatus and system thereof. In embodiments of the present invention, the information about the measurement contents, the data stream to be measured, and t... | 02/02/2012 |
| 20110317564 | High-Speed Ethernet Transceiver Calibration with Echo Canceller Reuse A method of operating a transceiver integrated circuit is disclosed. The method comprises generating test signals directed to testing one or more transceiver parameters. The test signals are transmitted from a digital domain to an analog domain along a transmit path, an... | 12/29/2011 |
| 20110261702 | ROUTE SETUP SERVER, ROUTE SETUP METHOD AND ROUTE SETUP PROGRAM A route setup server has a storage unit a route designing unit. Next hop information indicating candidates of a next hop node for each node is stored in the storage unit. In response to a route setup request specifying a source node and a destination node of flow, the r... | 10/27/2011 |
| 20110176431 | PHYSICAL LAYER LOOPBACK In some embodiments, a chip comprises control circuitry to provide inband signals, inband output ports, and transmitters to transmit the inband signals to the inband output ports. The control circuitry selectively includes loopback initiating commands in the inband sign... | 07/21/2011 |
| 20110128863 | LOOP DETECTION METHOD AND NETWORK DEVICE APPLYING THE SAME A network device including an address move detection unit, a loop detection packet generation unit, a packet parser unit and a loop determination unit coupled to the packet parser unit is provided. The address move detection unit detects whether an address field of a fi... | 06/02/2011 |
| 20110103235 | WIRELESS LOCAL AREA NETWORK TEST SYSTEM WITH FORCED TRANSMIT RATES DURING PROTOCOL-BASED TESTING A system for performing wireless local area network testing of wireless devices may include a wireless local area network tester and a device under test. The tester and device under test may communicate over a wireless link. To ensure that the tester accurately analyzes... | 05/05/2011 |
| 20110096672 | Methods, Test Systems and Arrangements for Verifying Compliance with Requirement Specifications A method for verifying compliance of a communication device with one or more requirement specifications is disclosed. The method comprises establishing a link between a test system and the communication device, wherein the establishing comprises configuring two or more ... | 04/28/2011 |
| 20110085451 | TESTING DEVICE AND TESTING METHOD A testing device connected to at least one network adaptor, including: a transmission application unit to give an instruction of transmitting data to a virtual address defined as a destination address; an address translation unit to translate, if a test mode is set up, ... | 04/14/2011 |
| 20110026411 | METHODS AND SYSTEMS FOR FAIL-SAFE COMMUNICATION A communication network is described. The network includes communication media and a plurality of network nodes coupled by the communication media. Each of the plurality of network nodes includes a first communication channel and a second communication channel. The firs... | 02/03/2011 |
| 20100322085 | SYSTEM FOR AND METHOD OF USING A LOOPBACK MECHANISM TO PERFORM NETWORK TESTING A system for and method of actively running performance tests is presented. The system and method allow a device connected, via a VPN or IPSec tunnel, to a VoIP or other service provider network, to run network performance tests using the IP address assigned by a VPN co... | 12/23/2010 |
| 20100284285 | FEED LINE MONITOR APPARATUS A power reception apparatus receives feed information from a predetermined line of a communication cable and judges a state of the power reception apparatus. If the state is normal, it transmits the feed information by returning it to a line which is a pair with the pre... | 11/11/2010 |
| 20100238812 | Operating MPLS label switched paths and MPLS pseudowire in loopback mode In one embodiment, an initiating maintenance end point (MEP) may transmit a lock message to lock a circuit traversing one or more maintenance intermediate points (MIPs) between the initiating MEP and an end MEP. The initiating MEP may then transmit an in-band packet con... | 09/23/2010 |
| 20100182914 | APPARATUS AND METHOD FOR TESTING AND FAULT ISOLATION IN A COMMUNICATION NETWORK An apparatus and method for performing automated testing and trouble isolation of a communications link in an access network is described. Communications link testing may occur without taking the communications link out of service for the duration of the test.... | 07/22/2010 |
| 20100165852 | NODE APPARATUS AND METHOD FOR PERFORMING A LOOPBACK-TEST ON A COMMUNICATION PATH IN A NETWORK A communication path is set from an ingress node to an egress node on the basis of a specified path setting protocol, and a loopback-test signal is transmitted to the egress node through the communication path so as to perform a loopback-test on the egress node. The ing... | 07/01/2010 |
| 20100149999 | Methods and Apparatus to Pre-Qualify User Communities for Communication Services Example methods and apparatus to pre-qualify user communities for communication services are disclosed. An example method comprises configuring a first remote network demarcation associated with a first loop to a loop-back state, interrogating the first loop to determin... | 06/17/2010 |
| 20100124174 | COMMUNICATION DEVICE AND LOOPBACK TESTING METHOD There is provided communication device operable to verify normality of a network by a loopback test, the communication device including a plurality of ports used to connect to a physical link included in the network, and an identification information addition part to ad... | 05/20/2010 |
| 20100103826 | REDUNDANT ACKNOWLEDGMENT IN LOOPBACK ENTRY Redundant acknowledgment between agents performing a loopback test over bidirectional communications bus is described. In one example, in a processor including a communications agent coupled to a bidirectional communications bus, the communications agent initiates loopb... | 04/29/2010 |
| 20100091665 | LOOPBACK DEVICE AND MIRRORING METHOD A transmission destination of a packet to be transmitted by a web server (11) and an application server (21) incorporated in the same machine (30) is set to a loopback device (50). When a packet is received from one of the servers (11 ... | 04/15/2010 |
| 20100074122 | TELECOMMNICATIONS APPARATUS AND METHOD, STORAGE MEDIUM, AND PROGRAM A data transmitting apparatus including a transmitting unit connected to a first network and configured to transmit a check packet to a data receiving apparatus; a control unit configured to receive an acknowledgment message to the check packet from the data receiving a... | 03/25/2010 |
| 20100061254 | Technical Enhancements to STP (IEEE 802.1D) Implementation An embodiment includes a method of minimizing the delay in convergence time for a complex STP topology following a topology change in the network system in the spanning tree protocol (STP) standard, including: receiving, by a root port of a first bridge, a data message ... | 03/11/2010 |
| 20100008237 | METHOD FOR TESTING DATA PACKET TRANSCEIVER USING LOOP BACK PACKET GENERATION A method for testing a data packet transceiver as a device under test (DUT) by communicating, between one or more test instruments and the DUT, multiple data packets having at least one mutually distinct signal characteristic, such as data packet type, transmission powe... | 01/14/2010 |
| 20090316588 | COMMUNICATION NODE, AND RING CONFIGURATION METHOD AND RING ESTABLISHMENT METHOD IN COMMUNICATION SYSTEM A plurality of communication nodes are one-to-one connected to each other by Ethernet (registered trademark) which is duplicated with a normal-system ring and with a standby-system ring. The communication node includes an A port, a B port, and a communication processor ... | 12/24/2009 |
| 20090296589 | METHOD AND APPARATUS OF MEASURING TCP NETWORK ROUND TRIP TIME Network round trip time is measured as an initial value at a start of a network communication flow. If sufficient data is available subsequently during a communication flow, subsequent network round trip time value determinations are made, without TCP stack overhead and... | 12/03/2009 |
| 20090252045 | NETWORK SYSTEM A network system for judging abnormality of a self node with high precision on the basis of information from other nodes connected to a network is provided. In each node, a frequency at which data frames to be transmitted/received among nodes cannot be received is count... | 10/08/2009 |
| 20090225669 | SYSTEM AND METHOD FOR WIRELESS COMMUNICATION NETWORK HAVING ROUND TRIP TIME TEST A system and method for providing a proximity control between devices in a wireless network is disclosed. A test message for a Round Trip Time (RTT) test is transmitted from a first device to a second device via a modified reservation function, wherein the modified rese... | 09/10/2009 |
| 20090207742 | FRAME TRANSMISSION DEVICE AND LOOP JUDGING METHOD A frame transmission device having a port for transmitting and receiving a frame and a learning table for storing a transmission source address included in the frame received at the port and the receiving port in association with each other includes: a port detector for... | 08/20/2009 |
| 20090185498 | SMALL FORM FACTOR PLUGGALBE (SFP) STATUS INDICATOR A small form factor pluggable (SFP) device includes a controller for receiving a first input signal. An optical loopback circuit is coupled to the controller for feeding back a loopback signal to the controller. The loopback signal is generated from the first input sign... | 07/23/2009 |
| 20090161565 | System and Method of Remote Testing in Loopback Mode Using MGCP/NCS This invention relates to a system and method of monitoring, by establishing end to end loopback testing across one or more networks with dissimilar transport technologies. The system allows for connection in loopback mode from a standard interface on a test device to a... | 06/25/2009 |
| 20090141644 | Twisted pair cable plant cross talk coupling simulator Example embodiments are directed to a system for simulating far end crosstalk (FEXT). The system includes digital subscriber lines coupled to a FEET matrix which simulates the FEXT environment. The FEXT matrix simulates the FEXT environment using filters disposed in dis... | 06/04/2009 |
| 20090109864 | Network card testing system A network card testing system includes a network card testing set, a network card, and a network card testing software. A plurality of twisted pairs in the network card testing set is connected with one another to form a loop. When the network card testing set is connec... | 04/30/2009 |
| 20090103443 | Loopback configuration for bi-directional interfaces An interface for implementing a loopback configuration which offers improved calibration and/or testing of an electronic system is disclosed. More specifically, embodiments provide a bi-directional interface with at least two portions or partitions capable of communicat... | 04/23/2009 |
| 20090067337 | TESTING A CIRCUIT USING A SHARED BANDWIDTH TEST BUS According to one embodiment, a method for testing a circuit includes receiving a test access session request, where the test access session request indicates that a test session is to be performed on a circuit path. A reservation message is sent to a test bus, where the... | 03/12/2009 |
| 20090067338 | Determination of Channel Latency within a Round-Trip Path The present invention provides a system, apparatus, and method for determining latency differences in channels within a link at a single test site. In particular, the method allows for a single transmitting device to determine distinct latency differences on both transm... | 03/12/2009 |
| 20090003224 | T1 TURNAROUND PLUG TEST ADAPTOR A test adaptor for performing turnaround testing on a T1 board that has a plurality of jack receptacles disposed therein. The test adaptor is comprised of a bracket, a plurality of openings, and a plurality of test plugs. The bracket has a length and a width complimenta... | 01/01/2009 |
| 20080304420 | APPARATUS AND METHOD FOR PERFORMING A LOOPBACK TEST IN A COMMUNICATION SYSTEM The invention is test apparatus and methods for performing loopback tests. The tests involve generating a packet-based test message having a source address and a destination address. When the test message arrives at the destination, the addresses are exchanged and the m... | 12/11/2008 |
| 20080267082 | Signaling Monitoring System, Signaling Network And Signaling Monitoring Method A signaling monitoring system includes a signaling network node device having an IP interface, a signaling network monitoring device having an IP interface and an network, in which the signaling network node device and the signaling network monitoring device are connect... | 10/30/2008 |
| 20080267081 | LINK LAYER LOOP DETECTION METHOD AND APPARATUS In one embodiment, a method includes receiving an indicator that an packet has been received at a physical port of a bridge device within a network. The method also includes determining, in response to the indicator and based on a source address value associated with th... | 10/30/2008 |
| 20080205285 | REMOTE NETWORK ELEMENT TESTING IN A BROADBAND COMMUNICATIONS NETWORK An apparatus is provided for remotely monitoring and testing network elements using a broadband communications network which may be a digital subscriber line network. One or more network elements may be in communication with a remote terminal device via a network gatewa... | 08/28/2008 |
