Protected ethernet ring with small form-factor pluggable devices

Redundancy for port extender chains

Optical transmission apparatus

Optical transport network decoupling using optical data unit and optical channel link aggregation groups (LAGS)

Graphic rendering of circuit positions

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

Mesh restoration in optical transport networks

SIGNAL TRANSMISSION METHOD AND TRANSMISSION DEVICE

Telecommunication network

Transmission apparatus

Graphic rendering of circuit positions

METHOD AND APPARATUS OF RING NETWORK PROTECTION

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

Interactive Topology Graphs for Visualization and Characterization of Sonet Consumption Patterns

Method and apparatus for automatically establishing bi-directional line-switched rings in telecommunication networks

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

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

Ring overlay network dedicated to carry broadcast traffic to DSLAMs

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

Node detection and ring configuration for physical star connected networks

Plug-in card for optical transmission apparatus

Sonet add/drop multiplexer with packet over sonet capability

Transmission system

RPR span BW protection scheme for RPR transported over SONET paths

Method for controlling redundancy and transmission device using the same

Method and system for designing ring-based telecommunications networks

Methods and apparatus for identifying errors and stranded resources in networks

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

Mechanism for automatic protection switching and apparatus utilizing same

Routing frames in an IP sonet ring using an IP proxy server

Interactive topology graphs for visualization and characterization of SONET consumption patterns

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

Network-based data transport architecture

Method of transmitting data service on synchronous digital network

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

Multipoint protected switching ring

Inter-ring connection device and data transfer control method

Transmission apparatus and reception interface apparatus

Optical transmission apparatus having path trace function

Derivatized oligonucleotides having improved uptake and other properties

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

Transmission system

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

Virtual protection method and device for fiber path

System and method of adaptively managing bandwidth on optical links shared by multiple-services using virtual concatenation and link capacity adjustment schemes

Resilient multiple service ring

Derivatized oligonucleotides having improved uptake and other properties

Method and system for providing broadcast channels over an emulated subnetwork

Economically expansible switching network

Method and apparatus for a hybrid variable rate pipe