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Document Title |
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7623446 |
MPLS virtual rings
A virtual ring representing a community of interest is constructed from an interconnected mesh of nodes in a packet network. The virtual ring instantiates ring labels in respective forwarding...
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7613178 |
Transmission network system
In a transmission network system in which a path is set between a transmission node and a receiving node and which transmits a transmission signal between the nodes, crossconnect settings of the...
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7613135 |
System and method for routing packet traffic
A system and method for routing packet traffic is disclosed. A system that incorporates teachings of the present disclosure may include, for example, a router having a routing element that routes...
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7606180 |
Multichannel ring and star networks with limited channel conversion
A ring communication network according to an embodiment of the present invention includes a plurality of nodes in which a single one of the nodes is configured for full channel conversion and the...
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7606144 |
Ring-connected surveillance system with real-time backup monitoring
A real-time ring-loop surveillance network system is provided. By using digital communication network, multiple channels of media data and control data are transmitted in a ring-loop. The media...
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7580373 |
Identifying nodes in a ring network
Methods are provided for discovering nodes participating in a ring network. According to one embodiment, a ring controller receives a packet containing an arbitration token. If the arbitration...
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7551634 |
Communication network system
A communication network system includes: a plurality of lower hierarchy networks, each having a plurality of first relay apparatuses; and an intermediate hierarchy network having a plurality of...
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7509438 |
Bi-directional line switched ring support for path trace monitoring on a protection path
Methods and apparatus for enabling a protection path within a network to be monitored are disclosed. According to one aspect of the present invention, a method for sending traffic on a path within...
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7471783 |
Method and system for replicating ring back tones
The present invention, in one aspect, relates to a method for replicating ring back tone (RBT). In one embodiment, the method includes the steps of sending a Play and Collect request to a media...
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7466695 |
Hybrid fiber twisted pair local loop network service architecture
A new architecture capable of utilizing the existing twisted pair interface between customer premises equipment and an associated serving local switching office is used to provide a vast array of...
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7453896 |
Method and apparatus for longitudinal balance calibration
A method and apparatus is provided for performing longitudinal balance calibration. A differential signal is provided. A calibration of a gain of at least a portion of the differential signal to...
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7447213 |
Method and apparatus for end-to-end connection between an RPR and an MPLS network
The present invention provides for a method and apparatus for an end-to-end connection between an RPR and an MPLS network, where the RPR network is linked to the MPLS network (and viceversa)...
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7443864 |
Wireless communication system backhaul architecture
A communication system utilizes point-to-multipoint wireless links between base stations and wireless hubs that are co-located at some of the base stations. Bonded circuits may be used between the...
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7443788 |
Method and apparatus for improving performance of a loop network
A method and apparatus for improving performance of a loop network, in particular a Fiber Channel Arbitrated Loop. The loop network has two loops and a plurality of dual-ported devices each with...
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7436784 |
Resilient packet ring network for realizing MAC bridging
A bridge node converts a MAC frame addressed to a station node into a RPR MAC frame and thus transmits it, and encapsulates a MAC frame addressed a station being located the outside of a ring and...
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7421203 |
Method for transmitting packet in wireless access network based on wavelength identification code scheme
A method for transmitting a packet in a wireless access network based on a wavelength identification code scheme. The method comprises the steps of connecting n number of RNCs (Radio Network...
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7400637 |
Time slotted logical ring
A Time Slotted Logical Ring protocol manages the flow of traffic in a duplex media including a cable distribution network with a head end, a local node, and a group of subscribers. The subscriber...
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7400574 |
Method and apparatus for managing a loop network
A method and apparatus for managing a loop network, the loop network ( 200 ) including at least one loop ( 206, 208 ), a plurality of devices ( 210 ) connected to the at least one loop ( 206, 208 )...
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7376138 |
Optical communications network
In a communications network, a node receives a transit packet. The priority assigned to the transit packet is determined and when it has a low priority then the transit packet is removed and a...
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7355987 |
Multi-rate, multi-port, gigabit SERDES transceiver
A multi-port Serdes transceiver includes multiple parallel ports and serial ports, and includes the flexibility to connect any one of the parallel ports to another parallel port or to a serial...
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7355965 |
Apparatus and method for rapid detection of unidirectional breaks in a network ring
Normal 802.3 Ethernet requires a tree topology. If a ring or a loop exists, then packets will be forwarded around the ring indefinitely. If the ring is broken, then there is no possibility of...
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7339887 |
Multipoint protected switching ring
Normal 802.3 Ethernet requires a tree topology. If a ring or a loop exists, then packets will be forwarded around the ring indefinitely. If the ring is broken, then there is no possibility of...
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7269177 |
Logical star topologies for non-star networks
A logical star architecture imposed on an underlying non-star network, for example a Virtual Path Ring (VPR), enhances a mesh protocol with an automatic method for Virtual Path ID (VPI) generation....
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7227862 |
Network switch having port blocking capability
A switch is configured to block packets from being transmitted through designated ports. The switch has port bitmap generator configured to obtain a port bitmap and a table is configured to store a...
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7194005 |
Circuits and methods for a ring network
A ring switch for a ring network is provided. The ring switch includes at least one ring port that is coupleable to transport data packets in a ring network. Further, the ring switch includes at...
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7187649 |
Method and apparatus for providing network protection at input/output interfaces of a cross-connect switch
A telecommunications system ( 10 ) includes a first cross-connect switch ( 12 ) and a second cross-connect switch ( 14 ). The first cross-connect switch ( 12 ) includes a switching matrix that...
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7181534 |
Address resolution protocol to map internet protocol addresses to a node transport identifier
A system and method automatically maps network addresses of a first protocol for a plurality of network elements in a first network to network addresses of a second protocol. A table is defined and...
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7167445 |
Virtual line switched ring (VLSR) connection state distribution scheme
Systems and methods consistent with this invention allow for each node within one or more rings to obtain connection and topology information from other nodes within these rings. In such a system,...
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7161961 |
STM-1 to STM-64 SDH/SONET framer with data multiplexing from a series of configurable I/O ports
The present invention relates to a device for combining at least two data signals having an input data rate into a single data stream having an output data rate being higher than the input data...
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7136381 |
Memory management unit architecture for switch fabric
A memory management unit (MMU) for a network switch fabric for forwarding data is disclosed. The MMU has an ingress port interface receiving portions of a data packet and an egress port interface,...
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7123914 |
Communication network system
A communication network system has a plurality of communication terminals, each having a first transmitting unit and a first receiving unit. Information is transmitted and received among the...
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7110414 |
Cross-point switch for a fiber channel arbitrated loop
A hub for a fiber channel arbitrated loop is disclosed. The hub comprises a switching device including a matrix of switches connected by a plurality of signal lines, each signal line being...
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7082137 |
Method of managing time-slot interchange in transoceanic MS-SPRING networks
A method of managing time slot interchange in transoceanic MS-SPRING networks. The method, in case of ring failure in a single span of the path installed in a transoceanic MS-SP RING with Time Slot...
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7061926 |
Method and apparatus for a network bus topology
A method and a system is provided for facilitating communication throughout a master/slave network. The network topology includes a transmission cable being operably connected between the network...
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7058025 |
Apparatus for provider connection and mobile communication system
A PRV-IWF 109 includes an FIN+ACK-DET circuit 205 for discriminating a message in a TCP/IP packet sent from an AS 110 , and detecting an end of a data transfer, an ACK-DET circuit 206 for...
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7027411 |
Method and system for identifying and processing changes to a network topology
A method and system are disclosed for mapping the topology of a network having interconnected nodes by identifying changes in the network and updating a stored network topology based on the...
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7023796 |
Method for identifying the current route of paths in telecommunications MS-SPRINGS
A method of identifying the current route of paths on communications MS-SPRINGs is described. The method comprises the steps of providing the network manager with information relating to the...
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7020148 |
Data transferring apparatus and data transferring method that use fast ring connection
A data transferring apparatus includes a ring bus, which circularly transfers data by holding in a slot to one direction and a plurality of nodes connected to the ring bus. Each of the plurality of...
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7006434 |
System for non-disruptive insertion and removal of nodes in an ATM sonet ring
A system and a method of operating the system for non-disruptively inserting a node into the operations of an ATM ring uses the ring operations to update topology information and routing tables at...
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6996114 |
Method for rate matching to support incremental redundancy with flexible layer one
A method for rate matching in equipment used as part of, or in communication with, a radio access network implementing FLO (Flexible Layer One) so as to provide retransmission with incremental...
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6978090 |
Optical network architecture
A communications network having two complementary optical networks each connectable to a headend, each optical network comprising a plurality of periodic interleaving filters serially connected by...
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6928050 |
Protected switching ring
Normal 802.3 Ethernet requires a tree topology. If a ring or a loop exists, then packets will be forwarded around the ring indefinitely. If the ring is broken, then there is no possibility of...
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6920508 |
WDM ring network
A WDM ring network and method for distributing within such ring network for feeding in data and for distributing both working signals and protection signals on different transmission paths and in...
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6862289 |
Method of data transmission in a communication network with a ring configuration
A method of joint data transmission of digital source data and control data is provided between data sources and data sinks which are subscribers of a uni-directionally operated communication...
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6862288 |
Circuit reestablishment and tear down in a highly available communications system
A highly available communications system capable of circuit reestablishment and tear-down without manual intervention. The communications system includes a plurality of nodes interconnected by a...
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6847653 |
Protocol for voice and data priority virtual channels in a wireless local area networking system
The present invention is a communications protocol which provides for voice and data priority channels in order that both voice and data information have equal opportunity to transmit over a...
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6839419 |
Ring network implemented by telephony switches and links
A system for using an under-utilized data channel for carrying additional data, in a network mode. One such channel is the D-channel in the ISDN system. In one implementation, a group of telephone...
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6831922 |
Contention priority control circuit
A contention priority control circuit which receives data of two priority classes from a plurality of input ports, and arbitrates contention between output requests for outputting these data to a...
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6829215 |
IP multi-homing
A method and system for providing a customer network with high speed access to a carrier network is provided. The system comprises an access device for providing a communication path for the...
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6757247 |
Circuit and method for controlling virtual connections in a ring network
A method for controlling virtual connections between endpoints over a unidirectional ring network. The network includes a number of network elements coupled together to form segments of the ring...
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