Transmission apparatus

Optical safety implementation in protection switching modules

METHOD AND APPARATUS FOR AUTOMATIC PORT INTERCONNECTION DISCOVERY IN AN OPTICAL NETWORK

COMMUNICATION PATH SETTING METHOD, COMMUNICATION SYSTEM, OPTICAL PROPAGATION APPARATUS AND OPTICAL TRANSMISSION/RECEPTION DEVICE

Apparatus and method for cross-connecting optical path in wavelength division multiplexing system

Route query method in ASON

Route calculation system, network management device, route calculation engine, route calculation method and program product

Three-way handshake (3WHS) optical network signaling protocol

Dynamically Reconfiguring An Optical Network Using An Ethernet Switch

Hierarchical routing query method of automatic switched optical network

Network design apparatus and network design method

Utilizing optical bypass links in a communication network

Sliceable router with packet over optical OFDM transmission

United route query method in the automatic switched optical network

Multichannel ring and star networks with limited channel conversion

Unified multi-transport medium connector architecture

Method and apparatus for designing any-to-any optical signal-to-noise ratio in optical networks

Method and apparatus for planning network configuration in an optical network

Apparatus and method for medium access control in an optical packet-switched network and the network thereof

Channel wavelength assignment with transient reduction

Network protection switching mechanisms and methods of network protection

Optical transport system architecture for remote terminal connectivity

Reduction Of Packet Loss Through Optical Layer Protection

Fault location system and method for OC-N facility degradation

Collision detection scheme for optical interconnects

Ethernet media access control organization specific extension

Communication system and communication apparatus

Broadcast design for provisioning reconfigurable optical add/drop multiplexer circuits

Method and system for announcing traffic engineering parameters of composite transport groups

Optical network systems and methods for operating same

Quality of service in an optical network

Network element providing an interworking function between plural networks, and system and method including the network element

Optical transmitting apparatus and optical transmitting and receiving apparatus

SIGNAL-LIGHT IDENTIFYING APPARATUS, WDM TRANSCEIVER, AND METHOD OF IDENTIFYING SIGNAL LIGHT

Method and system for providing traffic engineering interworking

METHOD, SYSTEM AND DEVICE FOR SETTING UP WAVELENGTH CONNECTION

Setting up a circuit in a network

Providing wavelength connectivity information to a network

WAVELENGTH ROUTE SELECTION SYSTEM AND WAVELENGTH ROUTE SELECTION METHOD

HIGH-SPEED PACKET/ETHERNET DEVICES, METHODS, SYSTEMS AND NETWORKS INCORPORATING TUNABLE PLUGGABLE OPTICS FOR PACKET SWITCHING AND ROUTING FUNCTIONS, AND INCORPORATING GMPS AS THE CONTROL PLANE

Joint IP/optical layer restoration after a router failure

Method and system for providing fault recovery using composite transport groups

Directionless optical architecture and highly available network and photonic resilience methods

Systems and methods for parallel multi-core control plane processing

Method for controlling the establishment of a connection in an optical network

Network design and determination of the arrangement of optical transmission devices in respective network stations

System and method for bandwidth management in ethernet-based fiber optic TDMA networks

Communication terminal apparatus and signal receiving method

Network Diagnostic Systems and Methods for Light Levels of Optical Signals

Transmission system and transmission method

Optimization mechanism for use with an optical control plane in a DWDM network

System and methods for connections using automatically switched optical network control planes

Optical transmission equipment and optical network

Extending routing protocols to accommodate wavelength switched optical networks

LIGHT TRANSMISSION DEVICE AND METHOD OF SETTING LIGHT INPUT BREAK DETECTION THRESHOLD VALUE

Data processing network having an optical network interface

Encoding for information needed for routing and wavelength assignment in wavelength switched optical networks

OPTICAL WAVELENGTH MULTIPLEXED TRANSMISSION APPARATUS

Communication network, path setting method, network management system and node

Distributed wavelength assignment using signaling protocols in wavelength switched optical networks

Path computation element method to support routing and wavelength assignment in wavelength switched optical networks

RFID systems and methods for optical fiber network deployment and maintenance

Network system

Method, system and apparatus for distributing node information

Wavelength division multiplex (WDM) optical network

Method, system and device for processing failure

Extending path computation element protocol to accommodate routing and wavelength assignment in wavelength switched optical networks

Optical communication method, optical communication device, and optical communication system

METHOD, SYSTEM, AND COMPUTER PROGRAM PRODUCT FOR SIMULATING AN UPLINK THROUGH A NETWORK ELEMENT

System, Device and Method for Managing Alternate Site Switching in an Optical Communication System

Distributing wavelength compatible with signaling protocols

Service handover method, optical network system, handover equipment and PE equipment in an OVPN

Method for processing LMP packets, LMP packet processing unit and LMP packet processing node

Optical bypass method and architecture

Methods for characterizing optical switches and multiplexers/demultiplexers

Shared protection method and apparatus for reconfigurable optical add-drop multiplexer (roadm) based mesh networks

Modular WSS-based communications system with colorless add/drop interfaces

Maintaining correlated virtual data streams through a network

Optical Path Routing in an Optical Communications Network

Multiple redundancy schemes in an optical network

Method and an apparatus to automatically verify connectivity within an optical network node

System and method for implementing dynamic scheduling of data in a non-blocking all-optical switching network

SYSTEM AND METHOD FOR NETWORK LAYER PROTOCOL ROUTING IN A PEER MODEL INTEGRATED OPTICAL NETWORK

Node device and label management method in optical transmission network

Protection Scheme

Method and system for efficient provisioning of multiple services for multiple failure restoration in multi-layer mesh networks

Virtual path restoration scheme using fast dynamic mesh restoration in an optical network

System and Method for Wavelength Conversion and Switching

Optical transmission device, optical transmission method, and recording medium thereof

Transmission device

Optical network system

Optical communication management systems

Ring transmission apparatus and signal processing method

Method and system for performance monitor for digital optical DWDM networks

Method and apparatus for adjusting timeslot fragments of multiple links

Communication network system that establishes communication path by transferring control signal

Hybrid Optical Network and a Method of Routing Data Packets in a Hybrid Optical Network

Method for protecting cross-ring service in optical network

Proactive protection mechanism based on advanced failure warning

Optical Impairment Aware Path Computation Architecture in PCE Based Network

Virtual path restoration scheme using fast dynamic mesh restoration in an optical network

Digital cross-connect

Network operating system with distributed data architecture

NODE CONTROLLER AND NODE SYSTEM

Optical communication systems and methods of operating such optical communication systems

Service failure recovery method and system

Method and device for establishing network connection service, and automatically switched optical network

Method and apparatus for network fault detection and protection switching using optical switches with integrated power detectors

System for utilizing wavelength reachability and wavelength occupation status information to describe cross-connection capabilities in optical networks

Method of identifying domain-to-domain link based on automatically switched optical network

Optical network transmission channel failover switching device

Image networks for mobile communication

Hybrid switch for optical networks

Network with a fast-switching optical core

Optical signal transmission device and optical communication network

Method for handling channel failures in an automatically switched optical network

Method and device for recovering a shared mesh network

System and method for providing support for multiple control channels

Traffic signal node cross scheduling method and system

Coordination of control operations in an optical network

Control system using a mini slot signal in a passive optical network

Method and apparatus for measurement of service disruption interval

Method and apparatus for photonic resiliency of a packet switched network

Method for unidirectional and bidirectional label switched path setup in a label switched network

Network system of recovering routing information

Method and device for recovering from inter-domain link failure

STERILIZATION SYSTEM AND METHOD WITH HEAT PUMP OPERATED VAPORIZER/CONDENSER

System, method, and computer program product for fiber access

Method and apparatus of routing convergence in control plane of an intelligent optical network

Link connectivity verification method

Method and device for surveillance of optical connection paths for a transparent optical network

Maximization of throughput under a fairness constraint in DWDM-based optical networks

Tracing an optical path of a communication network

Methods of processing a check in a check stock verification system

Limited perimeter vector matching fault localization protocol for survivable all-optical networks

PATH SETTING METHOD, NODE DEVICE, AND MONITORING/CONTROL DEVICE

Packet communication network and packet communication method

Method and System for a Distributed Wavelength (Lambda) Routed (Dlr) Network

Fault isolation and provisioning for optical switches

Multiport switch for optical performance monitor

Optical signal changeover device and optical signal changeover method

Provision of TDM service over GPON using VT encapsulation

Application of hardware-based mailboxes in network transceivers and distributed approach for predictable software-based protection switching

Optical transmission systems including optical protection systems, apparatuses and methods

Distributed managed entities and database

GPON management system

Method and device for implementing Och-Spring in wavelength division multiplexing systems

Reconfigurable mobile device interfaces supporting authenticated high-quality video, audio, TV and multimedia services

Optical crossconnect apparatus

Heat sinks for electronic enclosures

Electronics enclosure with solar shield

Method for identifying node reachability, method for identifying whether a link is an external link, method for calculating a routing, and method for disseminating node address information

Protection path reservation method and node unit

Link aggregation with internal load balancing

IP multi-cast video ring distribution and protection

ONU delay and jitter measurement

Node device, optical communication network, optical path reserve method and computer-readable medium comprising a program

High density optical network access switch

System and method for the automatic setup of switched circuits based on traffic prediction in a telecommunications network

Optical communication systems and methods of operating such optical communication systems

Methods and apparatus for optical network management using pilot tones

Apparatus and methods for establishing virtual private networks in a broadband network

Optical packet network system

Optical label switching scheme employing differential phase-shift keying for payloads and intensity modulation for labels using a single optical modulator

Optical, network, node apparatus and method for recovery path fault

Node apparatus, optical wavelength division multiplexing network, and system switching method

Wide-sense wavelength division multiplexed (WDM) cross-connect device

Discovery of an adjacent network element within a network data plane

Optical network equipment and optical network

Redundant path communication methods and systems

Resilient packet ring protection over a wavelength division multiplexing network

Optical bypass method and architecture

Optical double sideband modulation technique with increased spectral efficiency

1:N protection in an optical terminal

Method for migration between a permanent connection and a switched connection in a transmission network

Multi-hop optical communication network

Packet and optical routing equipment and method

Device and method for correcting a path trouble in a communication network

Method of allocating bandwidth in an optical network

Data processing network having an optical network interface

System and method for packet classification

Private network link verification procedure in free space optical communication network

Method for optimization of dispersion compensation, transponder and its use in an optical network with path protection

Private network link verification procedure in free space optical communication network

Methods and apparatus for optimizing utilization in a ring network

Robust service delivery node and method therefor

Optical network system and transmission apparatus

Information processing system, calculation node, and control method of information processing system

Method and apparatus for constant bit rate data transmission in an optical burst switching network

Delivering multicast services on a wavelength division multiplexed network using a configurable four-port wavelength selective crossbar switch

Automatic detection and resolution of fiber cabling errors in optical networks

Optical communication network system

Virtual path restoration scheme using fast dynamic mesh restoration in an optical network

System and method for slot deflection routing at optical router/switch

MPLS application to optical cross-connect using wavelength as a label

Optical network, optical edge router, program thereof, cut through method, and edge router

Methods and apparatus for optical network management using pilot tones

Method for determining a master ring for an optical communications network

Non-blocking all-optical switching network dynamic data scheduling system and implementation method

Apparatus and method for optical switching at an optical switch fabric

Router with resource add-drop functionality

Verification of path integrity in optical switch network

Dual homing for DWDM networks in fiber rings

Method of setting up a backup path in a transport network

Telecommunication network comprising an SDH/Sonet-subnet, where the GMPLS function is incorporated in a GMPLS software server

Method and system for transporting and switching traffic data with Quality of Service

Route determination method used in optical signal transmission system

Suprvisory channel in an optical network system

Network management system

Multichannel ring and star networks with limited channel conversion

Self-healing hierarchical network management system, and methods and apparatus therefor

Method and apparatus for a variable rate pipe on a linear connection

Methods and apparatus for communicating dynamic optical wavebands (DOWBs)

Device for the switching of optical switch per IP address

Time-domain wavelength interleaved network with communications via hub node

Method for selecting a restoration path in a mesh network

Optical bypass method and architecture

Allocating connections in a communication system

Optical switch and network system including the same

Scheduling token-controlled data transmissions in communication networks

Token-controlled data transmissions in communication networks

Method for routing information over a network

Optical connection switching apparatus and management control unit thereof

Reroutable protection schemes of an optical network

Method of providing network services

Transfer system

Optical frequency division multiplexing network

Optical add/drop device

Method and system for design and routing in transparent optical networks

Method and apparatus for sharing common capacity and using different schemes for restoring telecommunications networks

Optical cross connect switch with axial alignment beam

Optical reservation-based network switch fabrics

Method for routing information over a network

Method and arrangement for signaling in a network comprising nodes with optical ports

Method of performing protected transmission over a wavelengh-division multiplexed network

Methof for securing an optical telecommunication ring network and communication node amplifying communication node and traffic concentrator of a secured optical telecommunication ring network

Method of and control node for detecting failure

Apparatus and method for optical communication protection

Framework for managing an optical communication network

Dynamic route discovery for optical switched networks using peer routing

Apparatus and methods for establishing virtual private networks in a broadband network

Network path tracing method

Optical network monitor

System and method for switching packet traffic over an optical transport network

Label selection for end-to-end label-switched traffic through a communications network

Optically switched communication network

Method of determining a spectral route for a given connection in an optical telecommunications network

Method for planning or provisioning data transport networks

Error propagation and signal path protection in optical network

Establishing connection across a connection-oriented first telecommunications network in response to a connection request from a second telecommunications network

Method for restoring a virtual path in an optical network using 1:N protection

Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks

Sterilization system and method with temperature-controlled condensing surface

Optical crossconnect apparatus and optical transmission system

Interpretation and transformation of unstructured human input to enable end-to-end service visibility

Systems and methods for fiber upstream trace determination

Systems and methods for fiber upstream trace determination

Low congestion routing method of Optical Network-on-Chip and related device

Routing method and related device

Redundancy links, resiliency architectures, and protection methods for passive optical networks

Systems and methods for coherent optical backhauling

Systems and methods for fast end-to-end, bi-directional, fiber trunk certification

Methods for capacity provisioning in wide area networks using optical bypassing

Supporting optical line terminals of a passive optical network

Systems and methods for collision resolution during ONU activation

Method and an apparatus for transitioning between optical networks

Logical cut of an optical fiber due to fiber events

Dynamic optical switching in a telecommunications network

Method for providing path signal overhead in the 64B/66B character stream of an ITU-T metro transport network

Virtual node port based virtual fabric support

Optical transceiver with integrated optical loopback

Traffic matrix prediction and fast reroute path computation in packet networks

Flexible grid bulk spectrum assignment systems and methods

Systems and methods for coordinating layer 1 and layer 2 protection switching techniques for efficient layer 2 traffic recovery

Carrying high capacity bit transparent leased line services over internet protocol/multiprotocol label switching networks

Hyperscale photonics connectivity solution

Rack-level photonic solution

Node configuration in optical network

Path selection in optical network for optical nodes with flexible baud rate and modulation format

Optical fiber characterization measurement systems and methods

Spectral slot assignment and placement of wavelength shifters in flexible grid optical networks

Reach extension for optical networks through control of modulation formats and numbers of subcarriers

Specialized optical switches utilized to reduce latency in switching between hardware devices in computer systems and methods of use thereof

Arrayed waveguide grating based multi-core and multi-wavelength short-range interconnection network

Planar photonic switch fabrics with reduced waveguide crossings

Hysteresis-based optical circuit switch scheduler

Optical transceiver

Multicast wavelength selective switch

Method and apparatus for flexible coherent and scale-out computing architecture

System and method for optical switching

Interfacing internet protocol-based wireless devices with network box and cradle

Low cost multi-server array architecture

Method and apparatus for traffic engineering on an optical transport network

Dynamic data center network with a mesh of wavelength selective switches

Configurable multi-rate format for communication system for silicon photonics

Multilane variable bias for an optical modulator

Distributing link cuts between switches in a network

Server-layer path negotiation between client and server network layers