Communication control device, communication method, communication system and communication program

NETWORK DEVICE, NETWORK SYSTEM, NETWORK METHOD, AND COMPUTER READABLE MEDIUM

Protection switching method and node

Message arbitration in a ring interconnect system based on activity indications for each node in the ring interconnect

Scalable traffic management using one or more processor cores for multiple levels of quality of service

Protection switching method and node

Permutated ring network

Protection path determination method and device based on resilient optical network

Switching-on method, base station, base station controller, switching-on system and storage medium

Packet forwarding in RPR network

Method and device for realizing optical channel data unit shared protection ring

Determining feasibility of a network service using a ring analysis

Apparatus and method for protection switching in optical transport network (OTN) suporting ODUflex(GFP)

Method and device for realizing optical channel data unit shared protection ring

Optical receiver and method of optical reception

Procedure, apparatus, and computer program for reducing a probability of fragmentation when supporting virtual concatenation (VCAT) services

Anti-starvation and bounce-reduction mechanism for a two-dimensional bufferless interconnect

Optical network system, optical switch node, master node, and node

Defect propagation of multiple signals of various rates when mapped into a combined signal

Determining feasibility of a network service using a ring analysis

Line relaying device, TDM line detour system, and TDM line detour control method

Bi-directional ring network having minimum spare bandwidth allocation and corresponding connection admission control

Anti-starvation and bounce-reduction mechanism for a two-dimensional bufferless interconnect

Transmission apparatus and transmission method

Optical transmission apparatus

Transmission apparatus and switching method

Optical transmission device and optical transmission network system

Method and system for establishing end-to-end service and optical transport network

TECHNIQUE FOR BANDWIDTH EFFECTIVE TRAFFIC PROTECTION IN COMMUNICATION NETWORKS

Predictive end-to-end management for SONET networks

Packet processing in a predetermined order and suspension of packet transmission by predetermined time intervals based on a suspension flag

Method and system for service protection

Systems and methods for reconfiguration of a circuit switched ring to a packet switched ring

Method of switching optical transport network and node device

Transmission device and transmission method

Adapting apparatus and method

COMMUNICATIONS SYSTEMS WITH SCAN TABLE IDENTIFICATION

Method and device for processing failure of multi-span working channel in ring optical transmission network

Method and apparatus for fast passing through services for synchronous digital hierarchy device

Method and device for realizing optical channel data unit shared protection ring

Bi-directional ring network having minimum spare bandwidth allocation and corresponding connection admission controls

Method for detecting network asymmetrical status and asymmetrical communication channels for power system

Transmission apparatus and method of changing transmission route

Packet add/drop multiplexer and data transmission method of packet add/drop multiplexer

Communication apparatus, interface card, and failure handling method

SIGNAL TRANSMISSION METHOD AND TRANSMISSION DEVICE

Method and device for realizing interaction of optical channel data unit protection tangent rings

Centralized node clock auto reconfiguration

SONET/SDH transmission apparatus

Method and apparatus for service protection

Allocating demand according to demand weight

Telecommunication network

Transmission apparatus and line quality evaluating method

Method for the protection of a passive optical transmission network as well as a passive optical transmission network with a corresponding protection mechanism

Method and apparatus for tracking clock sources

Network system and audio signal processor

TRANSMISSION SYSTEM, TRANSMISSION APPARATUS, AND CONTROL METHOD OF TRANSMISSION SYSTEM

Transmission device

Method and apparatus for setting communication paths in a network

METHOD AND APPARATUS OF RING NETWORK PROTECTION

Ethernet transmission method, transmission apparatus and system

Predictive end-to-end management for SONET networks

Apparatus and methods for the communication and fault management of data in a multipath data network

Method for numbering working services on channel protection ring

Shared mesh signaling method and apparatus

Optical cross connect apparatus and network

Method for accommodating signal paths to ring network

VPLS remote failure indication

Ring transmission apparatus and signal processing method

Network system and audio signal processor

Network system and audio signal processor

Network system and audio signal processor

Optical transmission apparatus

Communication network protection systems

Method and apparatus for providing packet ring protection

Bi-directional ring network having minimum spare bandwidth allocation and corresponding connection admission control

Path status monitoring method and device

Multiring control method, node using the method, and control program

Method and system for a secure bi-directional line switched ring

Bi-directional ring network having minimum spare bandwidth allocation and corresponding connection admission controls

Inter-working mesh telecommunications networks

Methods and apparatus for aligning a communications frame to a predetermined phase

Node and method of setting backup path

Protection method for ring network of optical transmission network

Transmission device

Methods and apparatus for fast ETHERNET link switchover in the event of a link failure

Automatic protection switching and error signal processing coordination apparatus and methods

Resilient IP ring protocol and architecture

Communication method for point-to-multipoint communication system and subsidiary transmission apparatus for the same system

Ring type network system including a function of setting up a path

Ring network system, node device, and protection band testing method for the ring network system

Optical transmission apparatus in ring transmission system

Recovery mechanism for 10 GE optical transport network wavelength division multiplexing ring

Signaling protocol for p-cycle restoration

Packet-aware transport architecture for enhanced data volume

RPR span BW protection scheme for RPR transported over SONET paths

Three fiber line switched ring

Method for controlling redundancy and transmission device using the same

Ring map discovery and validation method and system for optical network applications

Signal transmission method and device

Reflector communications channel for automatic protection switching

Methods and apparatus for identifying errors and stranded resources in networks

Protection switching and monitoring method and arrangement in a data transmission system

System and method of defining a modified UPSR SONET network including sub-tending rings

Line accommodation device and control method thereof

Method for providing extra-traffic paths with connection protection in a communication network, related network and computer program product therefor

Transmission device and upgrade method thereof

Plug and play node addition in a dual ring topology network using discovered topology information for determining routing decisions

Communication system, communication card, and communication method

Applications of multiple time synchronization domains

Robust service delivery node and method therefor

Data transmission system and data transmission device

Apparatus for transmitting/receiving communication and broadcasting data using multiplexing at transmission convergence layer

Communications system with scan table identification

Mechanism for automatic protection switching and apparatus utilizing same

Method for protection of ethernet traffic in optical ring networks

Method and apparatus for controlling the admission of data into a network element

Apparatus and methods for the communication and fault management of data in a multipath data network

Method and system for maximizing wavelength reuse in optically protected WDM networks

Implementation method on multi-service flow over RPR and apparatus therefor

Fiber optic synchronous digital hierarchy telecommunication network provided with a protection system shared on the network

Node capable of saving a third-layer operation

Node capable of saving a third-layer operation

Line connection changing method and device

Automatic update of squelch tables for optical network applications

Method and apparatus for determining protection transmission unit allocation

Optical cross connect apparatus and network

Wavelength and filter arrangement for WDM networks

Line format setting method and communication apparatus using the line format setting method

Data communications device, data communications system, data communications method, data communications computer program, and computer-readable storage medium containing computer program

Method for route distribution in multi-service optimization of SDH transmission network

Dynamic interlayer protection in optical telecommunication networks

Frame for optimized signalling of span and ring events in a four-fibre synchronous telecommunications network with ring topology, by using the K bytes

Apparatus and method for optical communication protection

Virtual protection method and device for fiber path

Resilient multiple service ring

Method and apparatus for providing grades of service for unprotected traffic in an optical network

System and method for rerouting circuits on SONET and SDH rings without disrupting service

Economically expansible switching network

Network restoration

Computing a path for an open ended uni-directional path protected switched ring

Method and apparatus for a hybrid variable rate pipe

Determining feasibility of a network service using a ring analysis