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7606224 Transmission apparatus for making ring switching at SONET/SDH and RPR levels  
A transmission apparatus includes an aggregate-side interface unit coupled to an optical transmission line, a cross-connect unit which performs cross-connect with respect to a synchronized digital...
7606179 High integrity data propagation in a braided ring  
In one embodiment, a node comprises an interface to communicatively couple the node to a channel. The channel communicatively couples the node to a first neighbor node and a first neighbor's...
7593346 Distributing and balancing traffic flow in a virtual gateway  
The distribution of traffic flows in a load-sharing redundancy group that includes a first gateway device and a second gateway device includes assigning a first set of forwarding addresses to the...
7590130 Communications system with first and second scan tables  
A communications system comprising a first stage including a first scan table and a second stage including a second scan table. The first stage is configured to select a first channel...
7567758 Transceiver module and integrated circuit with multi-rate eye openers and bypass  
A transceiver module having intergrated eye diagram opening functionality for reducing jitter is describe. The transceiver module may transmitter eye opener and a receiver eye opener integrated in...
7564859 Method and system for optimized routing and protection of VT traffic in SONET networks  
The invention provides a method and system for enhancing the capability to optimally route VT circuits over SONET networks. The invention discloses a method for identifying Network Elements (NEs)...
7551633 Stealth network  
Described herein are systems and methods in which taps, which mirror or provide a copy of network traffic, are connected to monitoring equipment through shadowing units, which pass data to the...
7535834 Node device configuring ring network and data frame control method  
When an externally received data frame is transmitted at a station of a ring-shaped packet communication network, a congestion point in the communication network is defined as a boundary point, a...
7532634 Resilient packet ring device  
A resilient packet network (RPR) device is connected to one or more rings to constitute an RPR network. The RPR device has a storage unit in which a correspondence between RPR device addresses,...
7529295 Acquiring frequency and phase offset estimates using frequency domain analysis  
Determining a frequency and phase offset estimates include receiving a signal at an offset estimator. The received signal is zero-padded in the time domain to yield a zero-padded signal. A Fourier...
7529267 Data transmissions in communication networks using multiple tokens  
A network includes multiple nodes interconnected to form a ring topology. These nodes support data transmissions over the network using tokens. To send and receive data over the network, nodes may...
7522619 Methods and apparatus for fibre channel interconnection of private loop devices  
Methods and apparatus for Fiber Channel interconnection is provided between a plurality of private loop devices through a Fiber Channel private loop device interconnect system. In the preferred...
7512140 Inter-ring connection method and device  
In an inter-ring connection method and device interconnecting a plurality of RPR rings, an inter-ring connecting device (interconnecting station) determines whether or not an RPR frame received...
7509462 Advanced processor with use of bridges on a data movement ring for optimal redirection of memory and I/O traffic  
An advanced processor comprises a plurality of multithreaded processor cores each having a data cache and instruction cache. A data switch interconnect is coupled to each of the processor cores and...
7508832 Method and system for providing broadcast channels over an emulated subnetwork  
A method and system for communicating traffic on an emulated subnetwork of a telecommunications ring having a plurality of nodes interconnected by a transmission media includes obtaining traffic at...
7502608 Communication system and method  
A method for communicating between an operator at an operator device and a user recipient includes enabling an operator of the operator device to enter a device-independent unique identifier for a...
7502334 Directional integrity enforcement in a bi-directional braided ring network  
In one embodiment, a node comprises an interface to communicatively couple the node to a channel. The channel communicatively couples the node to a first neighbor node and first neighbor's neighbor...
7486614 Implementation method on multi-service flow over RPR and apparatus therefor  
A data transmission apparatus for implementing multiple service flow in a multiple service ring is described. The apparatus includes a trunk pipe and at least two nodes each with at least one flow....
7471625 Fault recovery system and method for a communications network  
A source node of a network transmits a path setup message for requesting a traffic path to a destination node. First and second nodes, located between the source and destination nodes, establishes...
7468945 Congestion control for communication  
In a congestion control system for congestion controlling communications on a network, a congestion control node has a congestion detection part for detecting a congestion level of the...
7457302 Enhancement to loop healing for malconfigured bus prevention  
A method for safely adding nodes to a network provides safeguards to prevent adding nodes beyond a maximum number of nodes allowed in the network. In one aspect, if the node to be added exceeds the...
7453877 Method of transmitting data service on synchronous digital network  
A method for data traffic transmission on a synchronous digital network to overcome the inefficiency of the data packet transmission on the synchronous digital network equipment. The method...
7453873 Methods and apparatus for filtering packets for preventing packet reorder and duplication in a network  
Methods and apparatus are disclosed for identifying the relevancy of packets. In one embodiment, source addresses are associated with network topology indications. When a packet is received, its...
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)...
7436852 Resource allocation method for providing load balancing and fairness for dual ring  
Disclosed herein is a resource allocation method for providing load balancing and fairness for a dual ring. The resource allocation method includes the step of determining whether a bandwidth...
7428211 Transmission apparatus and method of multi-service tributaries over RPR  
A data transmission apparatus used in a multiple service ring is described. The apparatus includes at least two nodes coupled to at least one aggregate pipe and at least one tributary. The...
7426214 Multiple level minimum logic network  
A network or interconnect structure 100 utilizes a data flow technique that is based on timing and positioning of messages communicating through the interconnect structure. Switching control is...
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...
7415209 Method for operating an ethernet optical area network (“EOAN”) over one more metropolitan areas  
An Ethernet Optical Area Network (EOAN) system, and methods for implementing and using such an EOAN system, are disclosed. The EOAN system may be used to improve the speed and reliability of data...
7406084 Flexible software architecture for a call processing system  
A telephone switching network having a plurality of nodes interconnected through the network through channels having dynamically changeable capacity. The telephone switching network includes a...
7406029 Fault tolerant optical data communication network having auto discovery  
A fiber-optic networking system that can survive a break in the fiber and restore full connectivity to all nodes in the network. The network can detect the presence of a cut in the fiber, locate...
7397813 Allocating bandwidth using resilient packet ring (RPR) fairness mechanism  
In allocating bandwidth using a Resilient Packet Ring (RPR) fairness mechanism in a node connected to an RPR network, when congestion occurs, an amount of traffic that the node has transmitted to a...
7397792 Virtual burst-switching networks  
A time-shared network comprising edge nodes and optical core nodes may be dynamically divided into several embedded networks, each of which covering selected edge nodes. At least one of the edge...
7397788 Methods and apparatus for device zoning in fibre channel arbitrated loop systems  
Methods and apparatus for switching Fibre Channel Arbitrated Loop Systems is provided between a plurality of Fibre Channel Loop devices. In one aspect of the invention, the system switches based at...
7391744 Allocating bridge priorities in bridged network  
A bridged network system ( 20 ). The bridged network system comprises a plurality of bridge nodes (N 0 -N 7 ). Each bridge node in the plurality of bridge nodes is coupled to communicate with at...
7388872 Dynamic communication channel allocation method and system  
A bandwidth brokering system and method incorporating methodology for supporting self-healing communication rings is disclosed. The present invention utilizes state-based tokens that are...
7359396 Optical-core network with selective signal queueing  
A core network shared by a large number of edge nodes comprises core nodes interconnected by core channels. Selected core channels are provided with buffers to enable temporal alignment of signals...
7359358 Method and apparatus for routing data  
A method of operating a wireless network with a base station and a plurality of outstations comprises transmitting a broadcast signal from the base station and in response to reception of the...
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....
7349351 Method for determining a master ring for an optical communications network  
A method for determining a master ring for an optical communications network having nodes arranged in a plurality of interconnected ring structures. (A master ring is a ring structure which...
7345993 Communication network with a ring topology  
Connections between communication nodes are established along a ring, with nodes at successive positions along the ring and two-way point to point communication connections between pairs of the...
7330924 Network media access controller embedded in a programmable logic device—physical layer interface  
An aspect of the invention is physical layer interface for a network interface including a plurality of input/output pins. The input/output pins are coupled for being multiplexed into a physical...
7298705 Fast-path implementation for a double tagging loopback engine  
A network component for processing a packet can include a buffer configured to receive a packet, a forwarding unit configured to forward the packet received at the first buffer to a loopback port,...
7286471 Dynamic bandwidth allocation for wide area networks  
System and method for dynamically altering bandwidth allocation to each region serviced by a network. Each region is allocated an initial estimated bandwidth on the network and compares...
7280550 Bandwidth optimization of ring topology through propagation delay compensation  
In a ring topology digital network propagation delay is reduced A master node transmits a clock signal into the network in one direction. Each slave node propagates the signal to the next slave...
7280549 High speed ring/bus  
A data communication bus and method of operation thereof, including a plurality of nodes connected to a respective plurality of media segments. A typical node includes an output port coupled to a...
7274656 Protection system and method for resilient packet ring (RPR) interconnection  
A failure protection between interconnected adjacent Resilient Packet Rings (RPRs) in a multiple RPR network is provided. Two paths, a regular message path and a protection path, are provided...
7233570 Long distance repeater for digital information  
An apparatus and method for extending digital data transmission link distances provide a mechanism in which data is transmitted over relatively long distances using a repeater to provide data...
7221677 Scalable apparatus and method for increasing throughput in multiple level minimum logic networks using a plurality of control lines  
A network or interconnect structure which includes a plurality of nodes which are interconnected within a hierarchical multiple level structure. The level of each node is determined by the position...
7221674 Method and system for multicasting and broadcasting IP packet in mobile communication system, and terminal thereof  
A method for multicasting/broadcasting IP data in a mobile communication system, includes the steps of a packet data serving node (PDSN) receiving multicast packet data, transforming the multicast...
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