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Class 398/45 - Optical switching


Subclass of Class 398 - Optical communications
Definition: Subject matter wherein switching of multiple information
No. of applications: 415
Last issue date: 05/23/2013


1                      
Application No.Application TitleIssue Date
20130129350SERVICE AND APPLICATION LAYER OPTIMIZATION USING VARIABLE RATE OPTICAL TRANSMISSION
Apparatus and methods are provided for application layer optimization in a modern data network. The optimization incorporates variable rate transmission across one or more optical data channels. Data throughput is maximized by enabling quality of service profiles on a p...
05/23/2013
20130121692SIGNAL ROUTER
Various signal routing systems are disclosed. Some routing systems include a crosspoint switch or switching fabric for coupling input ports to output ports, allowing an input signal received at one of the input ports to be transported to one or more of the output ports....
05/16/2013
20130108263DATA CENTER NETWORK ARCHITECTURE
Data center network architectures that can reduce the cost and complexity of data center networks. The data center network architectures can employ optical network topologies and optical nodes to efficiently allocate bandwidth within the data center networks, while redu...
05/02/2013
20130108264HIERARCHY OF CONTROL IN A DATA CENTER NETWORK
Data center networks that employ optical network topologies and optical nodes to efficiently allocate bandwidth within the data center networks, while reducing the physical interconnectivity requirements of the data center networks. Such data center networks provide a h...
05/02/2013
20130101288Optical Switch for Networks Using Wavelength Division Multiplexing
A switch for switching optical signals. The switch includes a plurality of inputs, wherein each of the plurality of inputs receives one of a plurality of input signals, and at least one coupling element operably connected to two or more of the plurality of inputs and co...
04/25/2013
20130094855METHOD AND SYSTEM FOR MANAGING OPTICAL DISTRIBUTION NETWORK
A method for generating optical paths in a photonic network is provided. A model of a photonic network is used to store relationship information that describes the relationships between photonic network elements, as well as configuration information about the elements o...
04/18/2013
20130089327Polarization Switching for Optical Fiber Communications
A method implemented in a transmission apparatus used in an optical fiber communications system for a polarization switched differential quaternary phase-shift keying (DQPSK) signal is disclosed. The method comprises splitting data into two or more data streams, inputti...
04/11/2013
20130084066LAYER 1 FAST PROVISIONING AND RIGHT SIZING OF BANDWIDTH FOR LAYER 2/3
Additional bandwidth is provisioned to layer 2/3 networks by initially provisioning optical wavelength channels to meet incremental needs for additional capacity. When bandwidth requirements grow large enough, a wavelength-sized channel is provisioned to meet the bandwi...
04/04/2013
20130077970Path Computation Element Protocol (PCEP) Operations to Support Wavelength Switched Optical Network Routing, Wavelength Assignment, and Impairment Validation
An apparatus comprising a path computation element (PCE) configured for at least partial impairment aware routing and wavelength assignment (RWA) and to communicate with a path computation client (PCC) based on a PCE protocol (PCEP) that supports path routing, wavelengt...
03/28/2013
20130077968TRANSCEIVERS WITH CONFIGURABLE INTEGRATED CIRCUIT
A transceiver includes a housing, an optical interface for detachably coupling to an optical transmission device, an optical-electrical conversion unit coupled to the optical interface, the optical-electrical conversion unit located in the housing, a programmable logic ...
03/28/2013
20130071117Encoding & Processing of Signaling Messages for ODU SMP
Methods and nodes are disclosed for the support of traffic protection and recovery in mesh networks having multiple nodes communicating via communication links. The problem of timely and reliable Shared Mesh Protection message delivery is addressed through creation of p...
03/21/2013
20130071116VIRTUAL CORE ROUTER AND SWITCH SYSTEMS AND METHODS WITH A HYBRID CONTROL ARCHITECTURE
The present disclosure provides virtual router/switch systems and methods with a domain of optical switches operating as a single, virtualized router using a control plane design combining centralized control of higher layer packet switching functions with distributed c...
03/21/2013
20130039657METHOD AND SYSTEM FOR DISTRIBUTING A NETWORK APPLICATION AMONG A PLURALITY OF NETWORK SITES ON A SHARED NETWORK
Presented is a system and method for distributing a network application across a plurality of geographically dispersed network sites. The system comprises a plurality of network sites connected by a shared network and interconnected by a dedicated non-blocking communica...
02/14/2013
20130039658Traffic Differentiation in a Transport Network
A Layer 1 transport network, such as an Optical Transport Network (OTN), transports traffic in Layer 1 data transport units. Traffic received at a node of the transport network is mapped to Layer 1 data transport units according to destination such that each Layer 1 dat...
02/14/2013
20130016969METHODS AND APPARATUS FOR FIBRE CHANNEL INTERCONNECTION OF PRIVATE LOOP DEVICES
Methods and apparatus for communicating Fibre Channel frames between a private loop device and an Ethernet link through a Fibre Channel private loop device interconnect system. In the preferred embodiments, the Fibre Channel private loop device interconnect system is a ...
01/17/2013
20130011137METHOD FOR CONTROLLING THE ESTABLISHMENT OF A CONNECTION WITHIN A TRANSPORT NETWORK
A method for controlling the establishment of a connection with a transport network, said message consisting of extracting from a first signaling message a piece of switching status information for a transport switch of said node, configuring said transport switch withi...
01/10/2013
20130011132HYBRID PACKET-OPTICAL PRIVATE NETWORK SYSTEMS AND METHODS
The present disclosure provides hybrid packet-optical private network systems and methods for a private and dedicated multi-point Ethernet Private Local Area Network (EPLAN). The network systems and methods include a Layer 1 infrastructure service with the inclusion of ...
01/10/2013
20130011136Apparatus And Method For Protection In A Data Center
A manner of providing redundancy protection for a data center network that is both reliable and low-cost. In a data center network where the data traffic between numerous access nodes and a network core layer via primary aggregation nodes, an optical network device such...
01/10/2013
20130004169EFFICIENT METHOD TO EXTRACT A LOWER ORDER (LO) OPTICAL CHANNEL DATA UNIT (ODU)j SIGNAL FROM HIGHER ORDER (HO) OPTICAL CHANNEL TRANSPORT UNIT (OTU)k SIGNAL
A Higher order (HO) Optical channel Data Unit (ODU)k signal is extracted from an HO Optical channel Transport Unit (OTU)k signal using a first clock at or faster than the OTUk clock. An HO Optical channel Payload Unit OPUk signal is extracted from the HO ODUk signal usi...
01/03/2013
20120328289Devices, Systems and Methods for Run-Time Reassignment of a PHY to MAC Devices Interconnect
Devices, systems and methods for run-time reassignment of the interconnection between devices pertaining to a Physical (PHY) layer and devices pertaining to a Media Access Control (MAC) layer, with no packet loss or with at most one packet lost are provided. The strateg...
12/27/2012
20120321304COMBINED COMMUNICATION AND BROADCASTING DUAL SWITCHING SYSTEM AND METHOD
Disclosed herein are a combined communication and broadcasting dual switching system and method. The system includes broadcasting transmission means, an Optical Line Terminal (OLT), an optical detection unit, an active path determination unit, an optical switch unit, an...
12/20/2012
20120321305RADIO-OVER-FIBER (RoF) SYSTEM FOR PROTOCOL-INDEPENDENT WIRED AND/OR WIRELESS COMMUNICATION
A switched wireless system is used to increase the range of peer-to-peer communications. The optically-switched fiber optic communication system includes a head-end unit (HEU) having a switch bank. Cables couple the HEU to one or more remote access points in different c...
12/20/2012
20120321302Ethernet Switch
An Ethernet switch which includes an input terminal and an output terminal for coupling the Ethernet switch to a communication network is provided. The switch further includes a power terminal for coupling the Ethernet switch to a power supply, and a control unit being ...
12/20/2012
20120321306OPTICAL TRANSPORT HAVING FULL AND FLEXIBLE BANDWIDTH AND CHANNEL UTLIZATION
Optical nodes in an optical network may provide directionless, colorless, contentionless, and gridless transmission, reception, and switching of optical signals in which a non-fixed number of optical channels and a non-fixed bandwidth for each optical channel is used. O...
12/20/2012
20120321295SIGNAL PATH CONTROL DEVICE
A device for signal path control includes a first input terminal and a first output terminal for coupling the signal path control device to a communication network. The device also includes a second input terminal and a second output terminal for coupling the signal pat...
12/20/2012
20120321303Multiple-Symbol Polarization Switching for Differential-Detection Modulation Formats
An inventive method for multi-symbol polarization switching for differential detection optical systems includes modulating a laser source by a DQPSK modulator, driving the DQPSK modulator with a data block configured for generating multi-symbol polarization-switched DQP...
12/20/2012
20120315037SPLITTING AND MERGING ROUTING DOMAINS
Apparatuses and methods for merging multiple domains into a merged domain and splitting a single domain into multiple domains in an Automatically Switched Optical Network (ASON) are disclosed. For merging, a node in a first domain can be identified to be a new Routing C...
12/13/2012
20120308232FIBRE CHANNEL FORWARDER FABRIC LOGIN SEQUENCE
System and computer program product embodiments for fibre channel forwarder fabric login sequence in a fibre channel switch environment, where a Fibre Channel Forwarder (cFCF) is separated from a Fibre Channel over Ethernet (FCoE) data forwarder (FDF), are provided. In ...
12/06/2012
20120308231Light Path Priority in Dense Wavelength Division Multiplexed Networks
Techniques are provided for using light path priority of service information in an optical network. At a node in the optical network, priority of service information is stored for a plurality of light paths used in the optical network. The node serves traffic in the opt...
12/06/2012
20120300771TRANSMISSION APPARATUS AND DATA TRANSMISSION METHOD
A transmission apparatus includes a clock generator that generates a clock. When data is received, the transmission apparatus maps a plurality of pieces of received asynchronous data to a cross connection frame by using the generated clock. The transmission apparatus al...
11/29/2012
20120301140Methods for Efficient Transmission in OTN Networks
In accordance with some embodiments of the present disclosure a method for shared mesh protection in an optical transport network comprises provisioning a route for each of a plurality of working demands through the optical transport network. The method further comprise...
11/29/2012
20120294610METHODS AND SYSTEMS FOR AUTOMATIC CARVING AND POLICY ENFORCEMENT FOR OPTICAL TRANSPORT NETWORK HIERARCHY
The present disclosure provides methods and systems for automatic carving of Optical channel Data Unit k (ODUk) levels on connection creation as well as the enforcement of an OTN hierarchy policy. In an exemplary embodiment, the present invention provides several method...
11/22/2012
20120294611Dynamic Bandwidth Allocation for Congestion Management in PON Channel Aggregation
A method and protocol for dynamic upstream bandwidth allocation to prevent congestion in an aggregation system consisting of multiple PON OLT devices that share a common Service Network Interface (SNI). The method allows OLT devices to communicate real time user traffic...
11/22/2012
20120287410DATA PATH FOR LITHOGRAPHY APPARATUS
The invention relates to a maskless lithography system for patterning a target using a plurality of charged particle beamlets. The system comprises an electron optical column including a blanker array for modulating the beamlets. The blanker array includes receivers for...
11/15/2012
20120288277TRANSMISSION APPARATUS AND METHOD FOR SERIAL AND PARALLEL CHANNEL INTERWORKING IN OPTICAL TRANSPORT NETWORK
A transmission apparatus and method for serial and parallel channel interworking in an optical transport network are provided. The transmission apparatus for serial and parallel channel interworking ensures interworking between parallel optical modules or between parall...
11/15/2012
20120281983METHOD AND APPARATUS FOR GENERATING RESIZE CONTROL OVERHEAD IN OPTICAL TRANSPORT NETWORK
There is provided a source node apparatus including: a Bandwidth Resize (BWR) generator configured to insert an InRP signal and an InTSCC signal into OPUflex Resize Control Overhead (RCOH) and to transmit the resultant OPUflex RCOH; and a BWR relay generator configured ...
11/08/2012
20120275788METHOD AND SYSTEM FOR SHORTENING THE LENGTH OF TIME GAPS BETWEEN DATA UNITS IN A DATA SWITCHING NETWORK
A group of K data units received consecutively is arranged by a first device. The arranged K data units are sent to the inputs of M devices, and a group of Hj data units of the arranged K data units are transferred by a device j of the M devices. The data uni...
11/01/2012
20120275786Optical Line Termination Node and Passive Optical Network
An optical line termination node has a first connection arrangement for connecting a working fibre, a second connection arrangement for connecting a protection fibre, a transceiver arrangement having first primary link and a first secondary link, and protection switchin...
11/01/2012
20120275785SYSTEMS AND METHODS FOR RECONFIGURATION OF A CIRCUIT SWITCHED RING TO A PACKET SWITCHED RING
In accordance with embodiments of the present disclosure, a method for reconfiguration of a circuit-switched ring network to a packet-switched ring network is provided. The method may include, for each adjacent pair of network elements in a network bridging traffic betw...
11/01/2012
20120275787Method and System of Centralized Control and Management for Fiber Channel Over Ethernet Networks
A fiber channel over Ethernet (FCoE) network component, comprising a first FCoE data forwarder (FDF) configured to couple to a second FDF and to a third FDF, wherein the first FDF is configured to receive a FCoE frame from the second FDF and send the FCoE frame to the t...
11/01/2012
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