Matches 51 - 100 out of 216 < 1 2 3 4 5 >
Match Document Document Title
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...
7219124 Provisioning system and method for auto-discovering customer premises equipment in activating xDSL  
The present invention provides for provisioning broadband services using a VDSL-based communication network. The present invention includes a system architecture and method for automatically...
7209975 Area based sub-path protection for communication networks  
Methods, software products, and systems establish a connection between a source network element and a destination network element in a communication network comprising a plurality of first network...
7209436 Method and apparatus for variable rate pipes  
A method and apparatus for variable rate pipes is described. In one embodiment of the invention, a computer implemented method comprises allocating a pipe from part of a working channel and at...
7167648 System and method for an ethernet optical area network  
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...
7158540 Ring network element and the ring network architectures it enables  
A ring network element and the ring network architectures it enables. According to one embodiment of the invention, a single network element includes a full TDM cross-connect and a multiple ring...
7142504 Fault tolerant network traffic management  
A system and apparatus for transmitting transit data through a network with first and a second rings coupling two or more nodes. In one aspect, when the first ring is intact and the second ring has...
7133410 Method and system for designing ring-based telecommunications networks  
A method and system for designing a bi-connected ring-based network is provided, which designs from scratch or converts an existing network to a dual-homed ring-based network. The network covers...
7126947 Switch having external address resolution interface  
A network switch that has a plurality of input ports that receive data packets. An external interface is connected to the plurality of input ports. The external interface externally transmits the...
7120150 Technique for ethernet access to packet-based services  
An Ethernet Metropolitan Area Network ( 10 ) provides connectivity to one or more customer premises ( 16 1 , 16 2 , 16 3 ) to packet-bases services, such as ATM, Frame Relay, or IP while...
7080031 System and method for determining an evolving combination of network components to maximize the net present value of a provider's cash flow  
A method and computer program product are presented for selecting and arranging an appropriate combination of network components, or elements, in a communications network. The selection of network...
7065095 Telecommunication network with variable address learning, switching and routing  
A ring network for transporting data packets between network devices is provided. The ring network includes a number of ring switches. Each ring switch has at least one ring port, at least one...
7054324 Interface transmitter for communications among network elements  
An interface transmitter coupled among a number of network elements of at least one network is provided, wherein a number of data frames of a first type are received from at least one processor and...
7046931 Method for providing high connectivity communications over a packet-switched optical ring network using composite packets  
A method for providing high connectivity communications over a packet-switched optical ring network comprises a core optical ring having at least one node, the node being coupled to a subtending...
7047319 System and method for enabling a collision-free protocol over ethernet  
A collision-free protocol for transmitting frames between stations connected over a shared transmission medium such as an IEEE 802.3 Ethernet LAN. A logical ring is formed and a token is circulated...
7035219 Provisioning synchronous transport resources for asynchronous traffic  
A communication system includes multiple network interfaces interconnected using synchronous transport resources, such as a SONET ring. These interfaces couple to various communications networks...
7027447 Communications interface between clock domains with minimal latency  
A network switch system ( 10 ) is disclosed, in which a plurality of switch fabric devices ( 20 ) are interconnected according to a ring arrangement, each of the switch fabric devices ( 20 )...
7027451 Dynamic break loop for closed loop unmanaged stacking switches  
A dynamic break loop capable closed loop network having a plurality of switches and links. Each switch has two uplink ports that each have a set of dynamic break loop logic functions that may be...
7020163 Frame communication system  
The present invention relates to a frame communication system composed of a code converter and a frame generator/decomposer. In order to improve a line efficiency without encapsulating transmitting...
7016363 Scaleable interconnect structure utilizing quality-of-service handling  
An interconnect structure and method of communicating messages on the interconnect structure assists high priority messages to travel through the interconnect structure at a faster rate than normal...
7006506 Automatic detection and configuration of OSPF virtual links  
A network management system and technique, implemented in hardware and software, automates certain aspects of a network element configuration in a network of routers that use the OSPF protocol. The...
7002976 Virtual ethernet ports with automated router port extension  
A method and system for extending a plurality of sub-interfaces of a router port of a wide area network access device to a plurality of user networks using a transport network is provided. The...
6996095 Shared VT connectivity over SONET  
A communications network includes a communications medium with a synchronous communications transport signal including time-division-multiplexed (TDM) channels, bridges having respective interfaces...
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...
6975634 Method for integrating wired and wireless packet/cell networking via ATM  
Integration of packet/cell networking of a wired/wireless network with ATM is achieved by application of a distributed architecture including an ATM network adapted to provide such integration....
6963575 Enhanced data switching/routing for multi-regional IP over fiber network  
Wide-area data communications utilize regional networks transporting IP-over-Ethernet on fiber. For certain Layer 2 services, a regional implementation of the network makes limited use of spanning...
6959000 Configuration management of a hybrid DCS-SONET ring network  
A method and apparatus for adapting a network topology including at least one hybrid digital cross-connect system (DCS)/SONET ring structure such that DCS network elements are managed by a DCS...
6952421 Switched Ethernet path detection  
A method and apparatus for discovering paths to other network devices includes a protocol and network management application that can be executed on network devices. The Ethernet protocol is used...
6940850 Add/drop cross connection apparatus for synchronous digital hierarchy  
An add/drop cross connection apparatus of an SDH system, comprises an aggregate unit matching device for providing matching with the aggregate units, a higher order path connection circuit for...
6931017 Burst ratio: a measure of bursty loss on packet-based networks  
A “Burst Ratio” is defined for use as a measure of the burstiness of a packet-based network. One illustrative implementation of the Burst Ratio (R) is where R is equal to the ratio of the...
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...
6917621 Enhanced emulation system on a communication network  
The present invention supports a packet-based communication by emulating the functions of an enhanced mobile radio system. The communication device executes emulation software to support simplex...
6901443 Non-fault tolerant network nodes in a multiple fault tolerant network  
The present invention provides a method and apparatus for facilitating communication with non-fault tolerant network nodes in a fault-tolerant network environment. In various embodiments, a network...
6901076 Dynamic LAN boundaries  
A network device dynamically switches between layer 2 (data link) operation and layer 3 (network) operation. When enabled, bridging logic functions as a data link bridge, receiving data link...
6894978 Method and system for operation of a resilient closed communication network without a dedicated protection network segment  
A method and system for operation of a resilient closed communication network without a dedicated protection network segment. The method uses a resilient closed communication network with at least...
6879593 Connections of nodes on different networks  
A connection is established between a node on a first network and at least one node on a second network lacking a valid address on the first network by receiving at a gateway a connection request...
6870813 Architectures for evolving traditional service provider networks and methods of optimization therefor  
The present invention discloses novel network architectures for evolving traditional service provider networks. The network architecture of the invention has a transport layer including an optical...
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...
6859461 Orderwire controller  
An orderwire controller and orderwire control system which provide enhanced capabilities of flexible orderwire signaling to improve usability and maintainability. A network system involves multiple...
6826164 Method and apparatus for multiplexing in a wireless communication infrastructure  
A network includes a plurality of antennas coupled to a plurality of base stations. The network can be optical or constructed with RF microwave links. The antennas and base stations are configured...
6822972 Bidirectional communication system with ring configuration  
A broadband communication system includes headend equipment for transmitting downstream signals and for processing upstream signals and communication devices coupled to one another in a...
6798752 Method and system for determining a network topology  
There is provided a method for determining a topology for a network. The method comprises the steps of obtaining data that describes a requirement for a service between a first node and a second...
6795446 Collective monitor and control system for plural networks  
A collective monitor and control for plural networks, in which plural networks remotely located in each other can be collectively monitored, is provided. The collective monitor and control system...
6788692 Network switch load balancing  
The present invention is a method and apparatus to balance load in a cluster of switches in a network. The switches include a local switch and one or more remote switches. Messages containing load...
6765910 System and method for communicating information using inverse multiplex ATM(IMA) functionality  
A system ( 10 ) for communicating information includes a connecting link ( 50 ) to communicate ATM cells. A first switching system ( 14 ) receives ATM cells for at least first and second virtual...
Matches 51 - 100 out of 216 < 1 2 3 4 5 >