Patent application number | Description | Published |
20100057953 | DATA PROCESSING SYSTEM - There is provided a data processing system comprising at least one processing module having at least one processor processing data and a data input/output unit that classifies and buffers input data received from an external medium, applies the input data to a processing module capable of processing the input data among the at least one processing module such that the input data is processed, classifies and buffers output data processed by the at least one processing module and outputs the output data to an external device. Accordingly, a processing module can be easily added or changed, and thus integration and variableness of processing resources can be improved to code with an increase in the quantity of input/output data, costs required to support a new service and upgrade the data processing system can be minimized, difficulty in maintaining processing can be alleviated and capability of coping with trouble in the data processing system. | 03-04-2010 |
20100135300 | ROUTING METHOD AND APPARATUS FOR PROVIDING DIFFERENT PATH BY SERVICE - Disclosed is a routing method and apparatus for providing a different path by service. The routing method includes determining a service identification (ID) indicating a service requested by a packet by using a header in the packet; and searching for a service forwarding table corresponding to the service ID from a plurality of service forwarding tables storing different next hops by service and determining the packet's next hop. | 06-03-2010 |
20100135659 | PACKET-OPTICAL INTEGRATED SWITCH WITHOUT OPTICAL TRANSPONDER - A packet-optical integrated switch without an optical transponder, includes: a packet line card configured to output an Ethernet packet signal to a pre-set output port; a packet switch fabric configured to transfer the packet signal from the packet line card to the output port previously set in a destination address included in the packet signal; a 10 gigabit Ethernet (10 GbE)/optical transport unit level 2 (OTU2) integrated line card configured to convert the packet signal from the packet switch fabric into an OTU2 optical signal having a pre-set wavelength; and a wavelength selection switch fabric configured to allocate the optical signal from the 10 GbE/OTU2 integrated line card to a pre-set wavelength division multiplexing (WDM) port by pre-set wavelength to exchange the optical signal to each port by wavelength, wherein the packet line card, the packet switch fabric, the 10 GbE/OTU2 integrated line card, and the wavelength selection switch fabric perform the reverse operations of the process, respectively. | 06-03-2010 |
20100150562 | OPTICAL TRANSMISSION SYSTEM - An optical transmission system in which a plurality of optical signals each having a different wavelength are transmitted via a single optical fiber, includes: a first dispersion compensator configured to compensate for wavelength dispersion based on a single wavelength of a plurality of signals transmitted via the optical fiber; a demultiplexer connected to the first dispersion compensator, splitting signals output from the first dispersion compensator into different channels according to their wavelengths, and outputting the same; and a plurality of second dispersion compensators connected to each channel split by the demultiplexer, and compensating for the wavelength dispersion of the mutually different wavelength optical signals. | 06-17-2010 |
20100158035 | RESOURCE MANAGEMENT AND RECURSIVE PATH COMPUTATION FOR REAL-TIME AUTOMATIC PATH SETUP AT MULTI-LAYER TRANSPORT NETWORK - A recursive path computation method is disclosed to integratedly manage resources required for a computation of a data transmission path in a multi-layer transport network to enable automatic real time allocation of lower layer resources required for processing a path request when resources required for a path computation of each layer are not sufficient or when resources have not been previously allocated. A network path request service over multiple layers can be quickly performed, and utilization efficiency of network resources can be maximized. | 06-24-2010 |
20110058558 | NETWORK CONTROL DEVICE AND NETWORK CONTROL METHOD - A network control device includes a command receiver receiving a command with respect to operation policies of a plurality of maintenance associations (MAs) that construct a single call, a message generator generating a message including information about the operation policies of the plurality of MAs according to the command, and a message transmitter transmitting the message to a neighboring network control device. | 03-10-2011 |
20110071699 | ELECTRIC POWER GENERATION DEVICE, ELECTRIC POWER DEMAND DEVICE, AND ELECTRIC POWER CONTROL SYSTEM, AND METHOD OF CONTROLLING ELECTRIC POWER - An electric power generation device includes: a storage unit that stores information about the electric power generation device; a transmitting unit that transmits information about the electric power generation device to a neighboring electric power demand device; a receiving unit that receives an electric power demand request from the neighboring electric power demand device; and an allocation unit that allocates electric power according to the electric power demand request. | 03-24-2011 |
20110090913 | APPARATUS AND METHOD OF CONTROLLING LSP OF RSVP-TE PROTOCOL USING LABEL WITH AVAILABILITY OF END-TO-END RANGE - Provided are a method and apparatus of controlling a Label Switched Path (LSP) of a Resource Reservation Protocol-Traffic Engineering (RSVP-TE) protocol, which may define an available label in an End-to-End range when a label is not changed by transit nodes, and is determined only by an external management system or a manager, or an ingress node or an egress node, thereby more simply and effectively operating the RSVP-TE protocol, and removing limitations in functions of nodes such as path calculating. | 04-21-2011 |
20110153829 | TRAFFIC ENGINEERING DATABASE CONTROL SYSTEM AND METHOD FOR GUARANTEEING ACCURACY OF TRAFFIC ENGINEERING DATABASE - Provided is a traffic engineering database (TED) management method and system guaranteeing an accuracy of a TED. The TED management method includes reserving resource information in the TED based on a path transmitted from a path control function of a control plane or from a path control function of a management plane, and updating the TED based on a result of a path control process, the result indicating ‘success’ or ‘failure’ and being transmitted from the path control function of the control plane or from the path control function of the management plane. | 06-23-2011 |
20120128003 | GMPLS NON-ENABLED NETWORK GATEWAY AND OPERATING METHOD FOR ROUTING BETWEEN GMPLS ENABLED NETWORK AND GMPLS NON-ENABLED NETWORK - A generalized multiprotocol label switching (GMPLS) non-enabled network gateway for routing between a GMPLS enabled network and a GMPLS non-enabled network for connection between the GMPLS enabled network and the GMPLS non-enabled network, and an operating method for the GMPLS non-enabled network gateway are provided. The GMPLS non-enabled network gateway may include a border gateway protocol (BGP) routing unit to exchange routing information between a first GMPLS enabled network and a third GMPLS enabled network using a BGP, and a resource reservation protocol signaling unit to search for a path to another network using the routing information and to perform inter-autonomous system (AS) signaling by including a control plane of the first GMPLS enabled network or the third GMPLS enabled network and a signaling interface applying an out-of-band method. | 05-24-2012 |
20120158195 | METHOD OF CONTROLLING DISTRIBUTION OF ELECTRIC POWER IN SMART GRID AND APPARATUS THEREFOR - Provided are a method of controlling distribution of electric power using hierarchical identifiers in a smart grid and an apparatus therefor. The apparatus may include a first extractor configured to extract a production node capable of accepting a power request with reference to at least one demand node using hierarchical identifiers of the production node and the demand node when the power request is received from the demand node, the demand node being connected to a plurality of layers via distribution nodes; a second extractor configured to extract distribution nodes on distribution routes from the production node to the demand node using the hierarchical identifier of the demand node and the hierarchical to identifier of the production node; and a controller configured to control the distribution nodes on the distribution routes from the production node to the demand node using hierarchical identifiers of the distribution nodes. | 06-21-2012 |