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| Number | Title | Issue Date |
| 8102774 | GMPLS based OAM provisioning A method and network are described herein for provisioning Operations, Administration, and Maintenance (OAM) entities for a connection when setting-up the connection between an ingress edge node and an egress edge node. ... | 01/24/2012 |
| 8085670 | Method and system for originating connectivity fault management (CFM) frames on non-CFM aware switches A system for originating connectivity fault management (CFM) frames on non-CFM aware switches is disclosed. In the disclosed system, an OAM (Operations Administration and Management) proxy networking device connected to a core Ethernet network operates with one or m... | 12/27/2011 |
| 8054749 | Method and apparatus for checking maintenance association integrity and method and apparatus for adding maintenance end point The present invention discloses a method for checking MA integrity, including: creating an MEP a; determining, by an MEP c in an MA, whether an MEP b with the same source port information as the MEP a exists in the MA; if there exists an MEP b with the same source p... | 11/08/2011 |
| 7978610 | Method for asynchronous transmission of communication data between periodically blanked terminals A method for asynchronous transmission of communication data between periodically blanked terminals separated by an unknown distance is disclosed. A bursted signal is transmitted from a first terminal with a burst time tB and a burst cycle period T. The b... | 07/12/2011 |
| 7969888 | Data communications network for the management of an ethernet transport network A communications network comprising a plurality of nodes supporting connection-oriented traffic and connectionless traffic, wherein management traffic between the nodes is propagated as connectionless traffic having a common management identifier. Also disclosed is ... | 06/28/2011 |
| 7924725 | Ethernet OAM performance management Maintenance entities may be defined between customer or provider flow points for performance management on an Ethernet network. The maintenance entities may be defined for access link, intra-domain, and inter-domain, and may be defined on a link or service basis. Th... | 04/12/2011 |
| 7864685 | ATM switch with OAM functions An ATM switch allowing simplified OAM processing only on the line incoming side is disclosed. An incoming line circuit has a header conversion table storing information indicating whether the system is an end point of an OAM processing flow for each connection and a... | 01/04/2011 |
| 7782784 | Port analyzer adapter Methods and devices are provided for encapsulating FC frames from a network device as Ethernet frames. Preferably, the FC frames represent traffic for a plurality of ports of the network device. The encapsulated Ethernet frames may be input to a conventional network... | 08/24/2010 |
| 7768925 | Method of domain supervision and protection in label switched network Embodiments of the present invention disclose a method of domain supervision in a label switched network, including: designating one or more OAM domains on an LSP in the label switched network, determining an ingress node and an egress node of each OAM domain, inser... | 08/03/2010 |
| 7746787 | Wireless datagram transaction protocol system Systems are provided for sequencing, delivery acknowledgement, and throttling of data packets over a network layer, such as UDP and SMS. To support devices with limited battery resources, the invention incorporates asymmetric retry logic and/or acknowledgements with... | 06/29/2010 |
| 7733783 | Ethernet network availability Disclosed is a method and apparatus for improving LAN availability and robustness employing adjacency status self-discovery on segment-to-segment communications paths. In some embodiments, the method and system may employ Logical Link Control Type 1 test frame messa... | 06/08/2010 |
| 7724672 | ATM cell transfer apparatus with hardware structure for OAM cell generation An ATM (asynchronous transfer mode) cell transfer apparatus includes an input interface, a switch block, and an OAM cell processing hardware block having a memory unit. The input interface receives an SDH/SONET signal on each of a plurality of first transfer paths t... | 05/25/2010 |
| 7724673 | Apparatus and methods of determining configurations for handling communication path management traffic Apparatus and methods of determining configurations for handling communication path management traffic are disclosed. Respective communication path management traffic handling configurations of communication system elements that terminate a communication link, which... | 05/25/2010 |
| 7693068 | Systems, methods, and computer program products for providing a distributed hardware platform interface (HPI) architecture Systems, methods, and computer program products for providing a distributed hardware platform interface (HPI) architecture are disclosed. According to one aspect, the subject matter described herein includes a system for providing distributed operations, administrat... | 04/06/2010 |
| 7675859 | Transmission apparatus and transmission system A link aggregation function and maintenance function by MPLS OAM. Identical entry information is stored in plural circuits IF which perform a LA setting. In this way, multiplexing to the same LSP is possible even with different IF. The first network IF is assumed to... | 03/09/2010 |
| 7643424 | Ethernet architecture with data packet encapsulation A method of encapsulating data packets for use in a distributed computer network is disclosed. The method includes providing a data packet for transmission over the distributed computer network, the data packet selected from one of a customer data packet and an OAM ... | 01/05/2010 |
| 7602725 | System and method for aggregating real-time and historical data A method and system for aggregating data in an enterprise network are provided. In one embodiment, a method for processing data in an enterprise network includes receiving real-time network performance data associated with a network resource. A database is updated w... | 10/13/2009 |
| 7561524 | Method for measuring performance of MPLS LSP Provided is a method for measuring performance of a multi-protocol label switching label switched path (MPLS LSP), using a fast failure detection (FFD) packet among MPLS operation and management (OAM) packets recommended by International Telecommunication Union-Tele... | 07/14/2009 |
| 7518998 | IP packet communication apparatus In an IP packet communication apparatus, an operation and maintenance function capable of monitoring a transmission path is provided to a layer used to process a packet, which corresponds to an upper layer of an optical network. As one method for applying the operat... | 04/14/2009 |
| 7515542 | Broadband access note with a virtual maintenance end point A broadband access node includes a port for connection with a Digital Subscriber Line and a processor to run code that implements a virtual maintenance end point (vMEP). The vMEP translates an IEEE 802.1ag Loopback Message (LBM) received from a device on an Ethernet... | 04/07/2009 |
| 7502325 | Method and system for managing networks, network fragments and subnetworks A method and system are provided for verifying connectivity between monitoring points (MPs) within a network. The method comprises assigning, to each monitoring point, a unique MP ID and a unique sender MP ID and a unique receiver MP ID. Each sender MP ID uniquely i... | 03/10/2009 |
| 7450515 | GEM OAM frame transmission method in gigabit-capable passive optical network A GEM OAM frame transmission method used in a Gigabit-capable passive optical network is provided. The method defines an OAM frame structure in a GEM mode of the Gigabit-capable passive optical network and enables an OAM to be achieved even when the GEM mode is oper... | 11/11/2008 |
| 7436774 | Communication network connection rerouting methods and systems Methods and systems for communication network element configuration and connection rerouting are disclosed. For a communication network connection between network elements, one of which supports a local connection rerouting function to detect a loss of continuity on... | 10/14/2008 |
| 7414976 | Method and apparatus to implement operation and maintenance (OAM) functions on a network processor A method and apparatus to insert control blocks into a stream of data user blocks. Data user blocks are transmitted onto a network during transmission slots. One of the data user blocks is buffered during one of the transmission slots. Instead of transmitting the bu... | 08/19/2008 |
| 7373401 | Label switched path OAM wrapper Methods and devices for logically segmenting an LSP so that OAM DTUs may be used to determine the performance and/or the status of LSP segments. To segment a previously determined LSP, a dedicated subpath (a logical LSP) within that predetermined LSP is defined betw... | 05/13/2008 |
| 7362975 | Bandwidth allocation device and dynamic bandwidth allocation method based on class of service in Ethernet Passive Optical Network A bandwidth allocation device and a dynamic bandwidth allocation method are provided for differentiated classes of service in an Ethernet Passive Optical Network (EPON), which includes an optical line termination (OLT), an optical distribution network (ODN), and a p... | 04/22/2008 |
| 7359328 | Apparatus for using a verification probe in an LDP MPLS network An ingress multi-protocol label switching (MPLS) label switched router (LSR) forwards a set of packets associated with a first set of forwarding equivalence classes (FECs) along a label switched path (LSP) to an egress MPLS LSR. Logic in the ingress MPLS LSR produce... | 04/15/2008 |
| 7355978 | Method for implementing an OAM function by exchanging request-reply packets between stations of a RPR network, and corresponding packet frames Described is a method extending the OAM functionality in the RPR networks through a new OAM loopback procedure of request-reply type together with the definition of a new RPR OAM loopback frame. The OAM loopback function allows any RPR station to check the reachabil... | 04/08/2008 |
| 7352709 | Communication terminal and communication system A communication system including a base station and a communication terminal transmitting/receiving data to/from this base station, in which the base station transmits downlink packet data to the communication terminal and receives an information signal related to t... | 04/01/2008 |
| 7349394 | Filtering and forwarding frames at an optical line terminal An optical line terminal (OLT) monitors and controls communications with a plurality of optical nodes (ONs), such as optical network units (ONUs) and/or optical network terminators (ONTs), within a passive optical network (PON), such as, but not exclusively, an Ethe... | 03/25/2008 |
| 7336681 | Data format and data transfer A signal format that can be accessed, as a file, by the computer on which it is stored is provided with a plurality of concatenated content packages. The content package comprises System, Picture, Audio and Auxiliary Items. The System, Picture, Audio and Auxiliary I... | 02/26/2008 |
| 7327684 | Method of operating, administrating and maintaining very high bit rate digital subscriber line Disclosed is an operation, administration, and maintenance method for very high bit rate digital subscriber line, which has a simplified frame structure, can be easily modified, and can provide various information. In very high bit rate digital subscriber line syste... | 02/05/2008 |
| 7310342 | Auto ATM-VC detection for ATM network access devices The system and method allow Customer Premises Equipment Network Access Devices using ATM as a datalink layer transport, to automatically determine what VC addresses are supported by the remote Network Access Concentrator end of the physical connection. A “divide a... | 12/18/2007 |
| 7310310 | Multi-link SAR for bonding ATM cell-streams Systems and methods are described for bonding asynchronous transfer mode permanent virtual circuits using a multi-link segmentation and reassembly sublayer. A method includes: transforming a plurality of streams of asynchronous transfer mode cells into a stream of b... | 12/18/2007 |
| 7304954 | Identification of non-performing switches in the path of a connection A connection-trace standard is used to collect cell-drop information from switches in the path of a network connection in order to identify non-performing switches. Special codes may be inserted in the vendor specific fields of the trace transit list information ele... | 12/04/2007 |
| 7304960 | Methods and systems for provisioning SONET elements Methods and systems are disclosed for provisioning a SONET network. One method acquires a SONET Capacity Activation report. The report contains information for telecommunications network equipment connected to the SONET network. A target identification number is gen... | 12/04/2007 |
| 7305466 | Network fault isolation Techniques are provided for improved fault isolation and fault reduction. A system for use with a data network includes multiple diagnostic units each adapted to communicate with the network including to a network user. A central controller is operatively connected ... | 12/04/2007 |
| 7301970 | Apparatus for executing multi-point control protocol in Ethernet passive optical network A MAC master apparatus for executing a multi-point control protocol (MPCP) data in an optical line termination (OLT) of an Ethernet passive optical network (PON) is provided. The MPCP master apparatus includes a CPU interface unit, two or more memory arbitration con... | 11/27/2007 |
| 7289501 | Method and apparatus for bandwidth-efficient multicast in ethernet passive optical networks One embodiment of the present invention provides a system that facilitates bandwidth-efficient multicast in EPONs. The system includes a central node and at least one remote node. Downstream data from the central node is broadcast through a passive optical coupler t... | 10/30/2007 |
| 7289509 | Apparatus and method of splitting a data stream over multiple transport control protocol/internet protocol (TCP/IP) connections A method, system and apparatus for improving data transfer rate over a network are provided. When a piece of data is to be transmitted to a target system, it is divided into a number of packets and a determination is made as to whether the number of packets exceeds ... | 10/30/2007 |
