Messaging Channel in a Coherent Optical DSP Frame

AUTONOMOUS TOPOLOGY REALIZATION FOR TILT CONTROL IN AN OPTICAL SEGMENT

Messaging channel in a coherent optical DSP frame

Optical transport network protection architecture, nodes and method

Messaging channel in a coherent optical DSP frame

Access point identifiers in 400ZR and 400ZR+ protocols

Flexible ethernet communication method and network device

Virtualized sections for sectional control of optical links

PSEUDOWIRE PROTECTION USING A STANDBY PSEUDOWIRE

Method and system for assigning resource failure severity in communication networks

Protection switching method and node

Protection switching method and node

Method and system to synchronize remote defect signaling and wavelength selective switch controls

Virtualized sections for sectional control of optical links

Service synchronization in retain home path scenarios in a control plane network

Systems and methods for mesh restoration in networks due to intra-node faults

End-to-end data path integrity validation at layer 2

Protection switching method and node

Virtualized sections for sectional control of optical links

Fault detection method and device

Protection switching method and node

Data center connectivity systems and methods through packet-optical switches

High-speed pluggable optical transceivers with advanced functionality

PSEUDOWIRE PROTECTION USING A STANDBY PSEUDOWIRE

Optical transport system and resource optimization method

High-speed pluggable optical transceivers with advanced functionality

Fault localization using tandem connection monitors in optical transport network

TDM network call with compound service layer agreement

Communication system, communication control method, and transmission apparatus

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

Communications network using adaptable FEC

Fast mesh restoration systems and method with real time detection of fault location

Network design apparatus, network design method, and storage medium storing network design program

Data connectivity systems and methods through packet-optical switches

Method of resizing a protected ODUflex connection in an optical transport network

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

Pluggable optical transceivers with integrated electronic dispersion compensation

Optical transmission device

Protection for optical transport network using operational status of dual homed attachment circuits

Systems and methods for detecting and propagating resizability information of oduflex connections

Protection for optical transport network with dual homed attachment circuits

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

METHOD FOR SWITCHING FROM A ONE-WAY INTO A TWO-WAY SIGNALLING MODE AS A PROTECTION SCHEME FOR THE DISTRIBUTION OF TIME AND FREQUENCY OVER A PACKET SWITCHED NETWORK

Apparatus and method for optimizing the reconfiguration of an optical network

40G/100G/200G/400G pluggable optical transceivers with advanced functionality

Protection against the effect of equipment failure in a communication system

Method of processing a digital signal for transmission, a method of processing an optical data unit upon reception, and a network element for a telecommunications network

Methods and systems of preserving client overhead bytes in optical transport network tunneling applications

Fault localization using tandem connection monitors in optical transport network

Pseudowire protection using a standby pseudowire

Method for resizing network connection in the optical transport network supporting protection switching

Extended reach XFP transceiver with integrated forward error correction

Transmission apparatus and transmission method

Relay device, relay method, and relay processing program

Communications network using adaptable FEC

Optical transport network generic non-client specific protection systems and methods

Failure protection method and node apparatus

Optical transport network transient management systems and methods

Optical transmission apparatus

Method and apparatus for protection switching in optical transport network

Interworking agent adapted to interact between network and precision time protocol entities

Signaling control method and system for service establishment based on G.709

Method and system for protecting traffic of a plurality of work ODUs over a protect ODU

Transmission apparatus and switching method

Transparent protection switching operation in a PON

40G/100G MSA-compliant optical transceivers with advanced functionality

Transmission device, transmission method, and program

Method and apparatus for laser overlap detection

Optical transport network synchronization and timestamping systems and methods

Optical layer status exchange over OSC-OAM method for ROADM networks

APPARATUS AND METHOD FOR DETERMINING A LOCATION OF FAILURE IN A TRANSMISSION NETWORK

Frame transmission device and synchronization method

Optical transport network port protection systems and methods using flexible switch criteria

Adaptor system for an Ethernet network

Data synchronization method and system, and optical network unit

Encoding and processing of signaling messages for ODU SMP

Systems and methods for detecting line flapping in optical networks

Optical transmission device and optical transmission network system

OPTICAL NETWORK APPARATUS

Transmission apparatus, reception apparatus, transmission method, and reception method

Systems and methods for protection of adaptation layer in a communication network

Shared bandwidth reservation in PL, ATM, FR and IP/MPLS networks

OSS support for control plane technology

Optical transport network alarms

Method and system for implementing automatic protection switching for transmission equipment

Method and system for service protection

Transmission apparatus and method for serial and parallel channel interworking in optical transport network

Method of switching optical transport network and node device

Transmission device and transmission method

Optical network system and WDM apparatus

Triggers to Fault Information Insertion in Optical Transport Network

Adaptor system for an ethernet network

Information processing method in optical network, optical communication apparatus and system

METHOD AND DEVICE FOR INDICATING CLIENT SIGNAL FAIL

Communication device and communication method

Method and Device for Cross Protection

GMPLS signaling for networks having multiple multiplexing levels

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

Method and device for detecting fault of signal processing equipment and optical interface board online

Method to implement two fiber shared protection ring with extra traffic on STM-1/OC-3 interface

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

Service transmission processing method, node device and network system

Frame signal generating method and frame signal generating device

DELAY AMOUNT ALLOCATION MEANS, DELAY AMOUNT ALLOCATION METHOD AND A COMPUTER READABLE RECORDING MEDIUM WHICH RECORDS CONTROL PROGRAM OF DELAY AMOUNT ALLOCATION MEANS

Pseudo-noise insertion on unacceptable input data sequence in optical networks

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

Method for transmitting a digital signal in inverse multiplexing, particularly via an optical transport network, and reception device for a system to carry out the method

Techniques for detecting optical faults in passive optical networks

Identifying fault locations in a network

Mesh restoration in optical transport networks

Optical interface device, and abnormality monitoring method for input frequency deviation

Protection mechanism for a communications network

Pseudowire protection using a standby Pseudowire

ERROR DETECTION FOR DATA FRAMES

Network sync planning and failure simulations

40G/100G optical transceivers with integrated framing and forward error correction

Protection against the effect of equipment failure in a communications system

Communication apparatus, interface card, and failure handling method

Transfer apparatus, and jitter control method of transmission signal

SIGNAL TRANSMISSION METHOD AND TRANSMISSION DEVICE

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

Transmission device and method of controlling selection of received data

Transmission apparatus

TRANSMISSION APPARATUS

Method and system for service protection

Optical communication

Smart protection escalation mechanism prevention

Demultiplexing and Multiplexing Method and Apparatus

Centralized node clock auto reconfiguration

Methods, systems, and computer readable media for providing virtual 1:N automatic protection switching (APS) and dynamic, in service configuration change for optical network interface equipment

Node apparatus, processing unit, and control frame processing method

SONET/SDH transmission apparatus

Apparatus and method for transmitting and receiving data

Method and apparatus for service protection

Method and device for the 1+1 protection of an optical transmission path

Systems and methods for rapid optical transport network circuit provisioning

SWITCHING UNIT AND METHOD FOR A TELECOMMUNICATION NETWORK

Telecommunication network

Linear protection method of the optical network

FRAME TRANSFER DEVICE AND FRAME TRANSFER METHOD

Methods and apparatus for system framing synchronization control for a framer/mapper/multiplexor device with 1+1 and equipment protection

Method and system of restoring flow of traffic through networks

Optical access network

Network device

Network apparatus that determines whether data is written into buffer based on detection of a memory error

Method for finding protected path in mesh networks

Method for transmitting data, and network element for a data network

TRANSMISSION APPARATUS

Transmission apparatus

Method and apparatus for implementing automatic protection switching functionality in a distributed processor data router

Method and system for protection switching in ethernet passive optical networks

Digital transmission system and digital transmission method

Methods and systems for the hierarchical mesh restoration of connections in an automatically switched optical network

METHOD AND APPARATUS OF RING NETWORK PROTECTION

Network equipment

ONT TEST UNIT

Method for mesh optical network service restoration

Transmission apparatus, path testing method, and storage medium

Communication apparatus and control method

Network connection device and collection/distribution device

Transmission system, path control method and transmission device

System and method for network planning

OSS support for control plane technology

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

System and method for protecting an extended passive optical network

OPTICAL TRANSMISSION SYSTEM, NODE DEVICE, AND GMPLS CONTROL METHOD

Method for numbering working services on channel protection ring

Service management channel for managing an optical networking service

Alarm surveillance for cascaded optical access

COMMUNICATION DEVICE, NETWORK SYSTEM, PATH MANAGEMENT METHOD, AND PROGRAM

Transmission apparatus and method of switching phase lock reference frequency signal thereof

Shared mesh signaling method and apparatus

Transmission device

In-band communication of alarm status information in a synchronous transport communication system

SHARING VALUE OF NETWORK VARIABLES WITH SUCCESSIVELY ACTIVE INTERFACES OF A COMMUNICATION NODE

SHARING VALUE OF NETWORK VARIABLES WITH SUCCESSIVELY ACTIVE INTERFACES OF A COMMUNICATION NODE

Interface switching method and device

Response to OTUk-BDI for OTN interfaces to restore bidirectional communications

VCAT TRANSMISSION SYSTEM AND VCAT BAND CONTROL METHOD

SYSTEM AND METHOD FOR PROTECTION OF POINT TO MULTIPOINT PASSIVE OPTICAL NETWORK

Optical transmission method and device

Method and system for protecting a communication network, said communication network including a transport network

Method and apparatus for processing fault dependency of different levels of tandem connection monitoring

Method and system for implementing network connection service

Optical communication management systems

Efficient and simple bit error rate calculation on optical transport layer

System and method for supporting SDH/SONET APS on ethernet

Method and apparatus for adjusting timeslot fragments of multiple links

Method And Device For Realizing Primary-Backup Protective Of Low Order Cross Apparatus

PON WITH PROTECTED CROSS-CONNECT FORWARDING

Optical transmission apparatus

Optical transmission apparatus

Systems and methods for the implementation of a remote test access feature using virtual connection points and sub-network connections

Detecting method and system for consistency of link scrambling configuration

Communication techniques and generic layer 3 automatic switching protection

Optical bi-directional line-switched ring transmission system, transmission apparatus, and through cross-connect setting method

System and method for establishing protected connections

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

Redundancy gateway system

Method and apparatus for transmitting error information between ethernet network and synchronous digital hierarchy network

Automatic ONT self disabling system, method, and computer readable medium

Method and device for recovering a shared mesh network

Method and apparatus for layer 1 / layer 2 convergence declaration for an adaptive equalizer

Inter-working mesh telecommunications networks

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

Systems and methods for the integration of framing, OAM and P, and forward error correction in pluggable optical transceiver devices

IP-TV broadcasting service system and method using physical layer's multicast switch

Fiber misconnection detecting method and device

Selectable loss of signal (LOS) criteria

Method and apparatus for managing and transmitting fine granularity services

TRANSMITTING APPARATUS, TRANSMITTING-APPARATUS TESTING METHOD, AND COMPUTER PROGRAM PRODUCT

Passive optical network rogue optical network unit diagnostics

Plug-in card for optical transmission apparatus

Automatic protection switching and error signal processing coordination apparatus and methods

System and method of multi-nodal APS control protocol signaling

Transmission system

Communications line monitoring system, relay apparatus, and communications line monitoring method

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

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

Download method and transmission device using the same

Virtual concatenation sequence mismatch defect detection

Signaling protocol for p-cycle restoration

Externally synchronized optical transport network systems and associated methods

System and method for optical network demarcation

RPR span BW protection scheme for RPR transported over SONET paths

Method for controlling redundancy and transmission device using the same

Transmitting apparatus

Method and apparatus for using stuffing bytes over a G.709 signal to carry multiple streams

Multi-ring resilient packet ring add/drop device

Reflector communications channel for automatic protection switching

SDH transmission apparatus that can relieve ethernet signal failure

Methods and apparatus for identifying errors and stranded resources in networks

Techniques for group alarm indication signal generation and clearing

Line accommodation device and control method thereof

Transmission device and upgrade method thereof

Method and apparatus for efficient link redundancy

ADM device and signal transmission method

Method and system of evaluating survivability of ATM switches over SONET networks

Pointer processing and path BIP-8 computation for large concatenated payloads

Method for transmitting data signals by means of virtually linked partial signals via synchronous data networks

Method and apparatus for line and path selection within SONET/SDH based networks

Reduction of the transport capacity of a virtual concatenation group

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

Failure localization in a transmission network

Switching apparatus for supporting protection switch-over mode of SONET/SDH network and method thereof

Minimizing single points of failure in paths with mixed protection schemes

Frame transmitting apparatus and frame receiving apparatus

Mechanism for automatic protection switching and apparatus utilizing same

Architecture for a hybrid STM/ATM add-drop multiplexer

Method and apparatus for guaranteed in-order delivery for FICON over SONET/SDH transport

Architecture for a hybrid STM/ATM add-drop multiplexer

Transmission apparatus and transmission system

Method for protection of ethernet traffic in optical ring networks

Reconfigurable apparatus providing 1:N and 1:1 equipment redundancy for high speed broadband interfaces with 1+1 and 1:N automatic protection switching

Method of setting up a backup path in a transport network

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

SDH transmission apparatus and signal transmission method

Method of transmitting data service on synchronous digital network

Protection scheme for protecting against equipment failure in a data communications system

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

System and method for SONET transport optimization (S-TOP)

Inter-ring connection device and data transfer control method

Line-level path protection in the optical layer

Communication method and apparatus

Fast rerouting of traffic in a circuit switched mesh network

Transmission network system

Distributed switch architecture including a growth input/output bus structure

Received path trace detection apparatus

Derivatized oligonucleotides having improved uptake and other properties

Utilizing the protecting bandwidth in a SONET network

Transmission system

Semi-transparent time division multiplexer/demultiplexer

Apparatus for and method of integrating switching and transferring of SONET/SDH, PDH, and Ethernet signals

Provisioning Ethernet dual working mode

Extending SONET/SDH automatic protection switching

Transmission apparatus having a function of changing path setting

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

Trail/path protection for SDH/SONET networks

Optical communications network

Virtual protection method and device for fiber path

Apparatus for processing OTN frames utilizing an efficient forward error correction

Resilient multiple service ring

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

K-byte extension and tunnel identifying scheme for tunnel-based shared mesh protection

Derivatized oligonucleotides having improved uptake and other properties

Method and system for communications channel delay asymmetry compensation using global positioning systems

Method and apparatus for providing tandem connection, performance monitoring, and protection architectures over ethernet protocols

Method and system for providing broadcast channels over an emulated subnetwork

Telecommunications and data communications switching apparatus and method

Resiliency of control channels in a communications network

Economically expansible switching network

Method and system for emulating a Fiber Channel link over a SONET/SDH path

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

Method and apparatus for a hybrid variable rate pipe

Optical modem line timing

Protected transponded services integrated with control plane switched services

Method and apparatus for providing alternative link weights for failed network paths