Patent application number | Description | Published |
20110023088 | FLOW-BASED DYNAMIC ACCESS CONTROL SYSTEM AND METHOD - A traffic analysis and flow-based dynamic access control system and method. The flow-based dynamic access control system for controlling a user's access to an internal communication network through an external communication network includes an access control unit operating in an access control mode in which traffic received from a user is basically blocked, generating state management information of a flow, which is received from the user, based on a specified packet of the flow, and verifying whether access of the flow to the internal communication network is a normal access. As a proactive defense concept of allowing only normal users to access an internal network, a method of blocking attacks from a system contaminated by a worm virus, detecting a cyber attack on a certain system in advance and automatically avoiding the cyber attack, and guaranteeing the quality of normal traffic even under cyber attacks without performance degradation of the internal network is provided. | 01-27-2011 |
20110044337 | SYSTEM AND METHOD FOR PROVIDING IPTV SERVICE - In a system for providing an IPTV service, if a multicast address of an IPTV channel received from a head-end is a multicast address requested by a mobile node through a tunnel, an end router confirms a care of address (CoA) of the mobile node corresponding to the multicast address of the IPTV channel, sets the multicast address in the first header of broadcasting traffic, sets the CoA of the mobile node in the second header of the broadcasting traffic, and then sends the broadcasting traffic. | 02-24-2011 |
20110069606 | COMMUNICATION NODE AND METHOD OF PROCESSING COMMUNICATION FAULT THEREOF - A communication node detects a communication fault thereof, and when a communication fault is detected, the communication node determines whether the communication node is included in a transmission path of a data packet with reference to a routing table and transmits the stored communication fault notification message to peripheral communication nodes. | 03-24-2011 |
20110080830 | DEVICE AND METHOD FOR PROVIDING FORWARDING INFORMATION AND QOS INFORMATION IN FLOW BASED NETWORK ENVIRONMENT - A device for providing forwarding and QoS information in a flow based network environment acquires first information and second information from a flow table therein on the basis of status information of a predetermined flow in order to provide dynamically updated information in a flow based network environment. When it is determined that first information and second information acquired based on a route ID of a series of information are updated, the flow table is updated and the updated information is provided. | 04-07-2011 |
20110085552 | SYSTEM AND METHOD FOR FORMING VIRTUAL PRIVATE NETWORK - Technology for forming a virtual private network (VPN) is provided. A VPN gateway that supports mobility with a connection node having a virtual home address (HoA) and a care of address (CoA) includes a mobility support unit, a data security unit, and a virtual address converter. When a packet is transferred from the connection node, the mobility support unit sustains a binding relationship between a home address (HoA) of the connection node and the changed CoA, and processes a mobility tunnel for the packet, thereby generating a first conversion packet. The data security unit performs a security test of the first conversion packet. The virtual address converter converts the HoA of the connection node, which is a source address of the first conversion packet in which the security test is complete, to a private network internal address that can be used in the VPN, thereby generating a second conversion packet. | 04-14-2011 |
20120096502 | APPARATUS AND METHOD FOR DISTRIBUTING INTEGRATED BROADCAST - An integrated broadcast distributing apparatus and method capable of obtaining integrated broadcast including Cable Television (CATV) broadcast, Internet Protocol Television (IPTV) broadcast and real time terrestrial broadcast is provided. The apparatus includes a broadcast receiving unit configured to receive a plurality of pieces of broadcast information about the plurality of broadcasts, a channel information managing unit configured to check an existence of a plurality of subscriber terminals of the subscriber terminals requesting a same real time broadcast channel of the plurality of broadcasts, and a broadcast distribution unit configured to copy broadcast information corresponding to the same real time broadcast channel and distribute the copied broadcast information corresponding to the same real time broadcast channel to the subscriber terminals requesting the same real time broadcast channel, if a result of the checking is that a plurality of subscriber terminals requesting the same real time broadcast channel exist. | 04-19-2012 |
20130110913 | APPARATUS AND METHOD FOR PROVIDING DISTRIBUTED CLOUD SERVICE | 05-02-2013 |
20130149962 | METHOD AND APPARATUS FOR OBTAINING AND PROCESSING LOCATION INFORMATION WITH NEAR FIELD COMMUNICATION - In an environment in which tag readers are installed at a plurality of locations, communication between a tag reader and a terminal including a near field communication (NFC) tag capable of bi-communication with a tag reader is triggered. The tag reader transmits user information and location information which was provided to the terminal to a location information management server so that a service based on the information is provided. | 06-13-2013 |
20130163610 | PACKET FORWARDING STRUCTURE AND METHOD FOR SUPPORTING NETWORK BASED CONTENT CACHING OF AGGREGATE CONTENTS - Provided is a packet forwarding structure for supporting network based content caching of aggregate contents. The packet forwarding structure includes: a forwarding table including forwarding information on a content in order to forward a request packet from a terminal; a request list table transmitting the request packet to a destination node according to the forwarding table when the request packet arrives; a content caching information table including the forwarding table, the request list table, and position information on where a content cashed based on a content ID or a content name is stored; and a content server function block storing the cached content. | 06-27-2013 |
20130212560 | APPARATUS AND METHOD FOR PROVIDING INTEGRATED DEVELOPMENT ENVIRONMENT FOR NETWORK APPLICATION USING VARIOUS NETWORK PROCESSORS, AND SERVER USING THE SAME - Disclosed are an apparatus and a method for providing integrated developing environment for a network application using various network processors, and a server using the same. The apparatus for integrally developing a network application, includes: an application storing part configured to store an application produced by a user; an application attribute managing part configured to manage attribute information for the application, including input information, output information, and information regarding a connection between an input and an output; a target code creating part configured to compile the application stored in the application storing part based on the attribute information stored in the application attribute managing part and create a target code corresponding to the compiled application; and a code loading part configured to mount the target code created by the target code creating part in hardware. | 08-15-2013 |
20130281075 | METHOD OF CONTROLLING TRAFFIC BY TIME-BASED POLICY - A method of controlling traffic, particularly, a method of setting and executing a traffic control policy in which a time condition is additionally combined is provided. At any specific step of a network that executes a time-based policy, an execution time point of the time-based policy can be determined. Further, a network service provider can provide various application services to a network user using a time-based policy. | 10-24-2013 |
20130294420 | METHOD AND APPARATUS FOR CONTROLLING ACCESS IN WIRELESS NETWORK - In controlling channel access from a plurality of terminals in a wireless network, information for wireless resource allocation for each of the terminals is acquired, and channel access time for each terminal is determined based on the information for wireless resource allocation. Then, frames each containing the channel access time determined for each terminal are sequentially transmitted. | 11-07-2013 |
20140003445 | NETWORK APPLICATION VIRTUALIZATION METHOD AND SYSTEM | 01-02-2014 |
20140082135 | APPARATUS AND METHOD FOR PROVIDING CONTENT, AND SYSTEM FOR PROVIDING CONTENT WITH THE SAID APPARATUS - The present invention provides content providing apparatus and method and a content providing system which maintains a compatibility with an IP network and deliver a content with a complete distributed architecture excluding the content synchronizing process and the request routing process which delivers the content. | 03-20-2014 |
20140094219 | MOBILE COMMUNICATION TERMINAL DEVICE EQUIPPED WITH REPLACEABLE COMMUNICATION MODULE AND BACK COVER THEREOF - A mobile communication terminal device equipped with a replaceable communication module and a back cover thereof are provided. The mobile communication terminal device includes: a host processor configured to control and operate the mobile communication terminal device; a baseband processing unit configured to process a mobile communication protocol; and a radio frequency (RF) signal processing unit configured to wirelessly communicate with a mobile communication network, wherein the host processor, the baseband processing unit and the RF signal processing unit are further configured to be implemented as modules that are attachable to or detachable from a printed circuit board (PCB) of the mobile communication terminal device. | 04-03-2014 |
20140112142 | METHOD OF FORWARDING PACKET AND APPARATUS THEREOF - Provided are a method of packet forwarding and an apparatus therefor. In the method, a method performed in a network apparatus includes receiving at least one packet, providing the at least one packet to a network controller through a data plane when flow information to forward the at least one packet is not available and receiving a message including the flow information to forward the at least one packet from the network controller through a control plane. Therefore, the method and the apparatus may increase an efficiency of packet forwarding by simplifying procedure of configuring flow rules on newly input packets. | 04-24-2014 |
20140112150 | METHOD FOR PROVIDING QUALITY OF SERVICE IN SOFTWARE-DEFINED NETWORKING BASED NETWORK AND APPARATUS USING THE SAME - Disclosed is a Quality of Service (QoS) providing method and apparatus in a software-defined networking (SDN) based network, the QoS providing method including receiving a first packet of a predetermined flow, searching for forwarding information corresponding to the packet and QoS rule information corresponding to the packet in a forwarding table and a QoS rule table, respectively, transmitting the packet to a controller if the forwarding information and the QoS rule information do not exist in the forwarding table and the QoS rule table, and generating a flow entry corresponding to the packet in a flow learning table based on forwarding information and QoS rule information that are received from the controller, thereby efficiently providing QoS. | 04-24-2014 |
20140149525 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING INSTANT MESSAGE - In a case where a transmitting apparatus transmits an instant message, for the generated message, an alert command mode in which it is instructed to perform alert processing when a receiving apparatus receives the message or a no alert command mode in which it is instructed not to perform the alert processing when the receiving apparatus receives the message are set up. Then, the receiving apparatus performs the alert processing when the alert command mode is set up for the received message and does not perform the alert processing when the no alert command mode is set up for the received message. | 05-29-2014 |
20140307605 | DATA TRANSMISSION METHOD OF MULTI-HOP NETWORK AND DEVICE USING THE SAME - There are provided a data transmission method of a multi-hop network and a device using the same. The data transmission method of the multi-hop network according to the invention may include receiving information on the multi-hop network, receiving a predetermined desired communication reliability (DCR) of data transmission from a source node to a sink node, determining a single-hop packet transmission rate of each node from the source node to the sink node satisfying the predetermined desired DCR based on the information on the multi-hop network, and notifying each node configuring the multi-hop network of the single-hop packet transmission rate of each of the nodes. In the method and device according to the invention, it is possible to satisfy the DCR required for the multi-hop network and decrease energy consumption by minimizing the total number of transmitted packets. | 10-16-2014 |
20140313898 | METHOD FOR DELIVERING EMERGENCY TRAFFIC IN SOFTWARE DEFINED NETWORKING NETWORKS AND APPARATUS FOR PERFORMING THE SAME - Disclosed are a method for delivering emergency traffic in a SDN based network and an apparatus performing the same. A method for delivering emergency traffic, performed in a controller, may comprise generating an emergency code for delivering the emergency traffic when an emergency state corresponding to a predefined type occurs; transmitting the emergency code to a first OpenFlow switch connected to a transmitting terminal transmitting the emergency traffic; and transmitting a message directing an update of the emergency code to at least one OpenFlow switch included in a forwarding path of the emergency traffic. Therefore, when an emergency state occurs in a network, emergency traffic corresponding to the emergency state may be delivered efficiently, and stabilities of network management and service qualities may be guaranteed accordingly. | 10-23-2014 |