Patent application number | Description | Published |
20100241756 | METHOD OF AUTHENTICATION CONTROL OF ACCESS NETWORK IN HANDOVER OF MOBILE NODE, AND SYSTEM THEREOF - Provided are a method and a system for controlling access authentication in the process of a handover. The method of controlling access authentication in the process of handover of a mobile node in a network that consists of a core network and a plurality of access networks, the method comprising: when the mobile node initially accesses a first access network, performing access authentication of the mobile node and registering and managing the authentication information by using a user profile server, and searching for a host channel adaptor adjacent to the mobile node and transmitting identification, a profile, and authentication information of the mobile node to a network access server, in which the searched host channel adaptor is mounted, by using a mobility control server; when the mobile node moves to a second access network, performing a handover procedure and performing re-access authentication procedure by transferring authentication information regarding the handover to a network access server which is included in the second access network; and after performing the re-access authentication procedure, searching for a host channel adaptor adjacent to the mobile node and transmitting authentication information to a network access server which includes the searched host channel adaptor by using the mobility control server. Accordingly, an access delay time in the process of a handover can be reduced. | 09-23-2010 |
20120134313 | ACCESS POINT, L2 SWITCH AND METHOD OF SUPPORTING MULTICAST HANDOVER USING THE ACCESS POINT AND L2 SWITCH - An access point, a layer 2 switch, and multicast handover supporting method using the access point and the layer 2 switch are provided. According to the method of supporting multicast handover, when a mobile node is handed over from one cell to another while being provided with a multicast service in a wireless mobile communication network, the L2 switch performs multicast traffic routing in response to reception of MAC address information and multicast service source and group information from the access point. Hence, multicast traffic can be supported to be fast and seamlessly handed over within layer 2 network equipment. | 05-31-2012 |
20120147889 | APPARATUS AND METHOD FOR VIRTUALIZING MULTIPLE TERMINALS - An apparatus and method for virtualizing multiple terminals are provided. The apparatus includes a terminal virtualizer configured to virtualize a group of a plurality of transmitter terminals of a first user and a group of receiver terminals of a second user through the change of source and destination addresses of a packet that is transmitted between the transmitter terminal group and the receiver terminal group so that the transmitter terminal group and the receiver terminal group may be recognized as if they were single terminals. Accordingly, it is possible to provide seamless IP connectivity regardless of which terminal is currently being used by a to user. | 06-14-2012 |
20120150444 | APPARATUSES FOR MANAGING, DETERMINING, AND VERIFYING NAVIGATION ROUTE FOR MOBILE TERMINAL, NAVIGATION SERVICE PROVISION SYSTEM, AND METHOD OF MANAGING NAVIGATION ROUTE FOR MOBILE TERMINAL - Apparatuses for managing, determining, and verifying a navigation route, a navigation service provision system, and a method of managing a navigation route are provided. The apparatus for managing a navigation route manages mapping information that maps one or more locations on the path of movement of a mobile terminal to information on one or more networks that are available for wireless communication at the locations. The apparatus for determining a navigation route selects an optimum navigation route from among a plurality of navigation routes into which a network access state of the mobile terminal on the path of movement of the mobile terminal is reflected, according to one or more preference rules. The apparatus for verifying a navigation route verifies the network access state of the mobile terminal on the path of movement of the mobile terminal. | 06-14-2012 |
20120216233 | VIRTUAL NETWORK CONSTRUCTING APPARATUS AND METHOD - A virtual network constructing apparatus and a virtual network constructing method are provided. The virtual network constructing method includes constructing a virtual network on the basis of a Multi-Depot Ring-Star with 2-Depots per Ring (MDRS-2DR) topology, applying the virtual network to an actual network environment, and reflecting a result of the application to reconstruct the virtual network. | 08-23-2012 |
20130091525 | METHOD AND APPARATUS FOR PROVIDING CLOUD-BASED USER MENU - A method and an apparatus for providing a cloud-based user menu are provided. The method and the apparatus for providing a cloud-based user menu according to an exemplary embodiment of the present invention is separately structured such that a cloud server connected to a broadcast receiving terminal configures the user menu and the broadcast receiving terminal merely renders the user menu when digital broadcasting is provided. | 04-11-2013 |
20130100930 | METHOD AND APPARATUS FOR SUPPORTING NETWORK-BASED FLOW MOBILITY - The present invention relates to a method and apparatus for supporting location registration and mobility for each service flow in relation to a Mobile Node (MN) having a plurality of wired/wireless network interfaces in a wired/wireless integrated network environment. A method includes receiving a location registration message from a specific Handover Control Agent (HCA) connected to an MN, determining a movement of a flow, configured in another HCA to which the MN is connected, based on predetermined static flow binding information or a network status, sending a location registration Ack. message, comprising information on a HCA in which the flow is configured and to which a Corresponding Node (CN) is connected, to the specific HCA, and sending a location notification message, comprising information on the specific HCA to which the flow will be moved and to which the CN is connected, to the HCA. | 04-25-2013 |
20130173808 | APPARATUS AND METHOD FOR PROVIDING MIXED CONTENT BASED ON CLOUD COMPUTING - There are provided a concept of mixing and synchronizing a plurality of pieces of content and of providing mixed content to an N-screen terminal, a method for overcoming limitations of a mobile terminal using a thin-client technique based on cloud computing and an apparatus for providing mixed content based on cloud computing. The apparatus for providing mixed content based on cloud computing includes a content server configured to, in response to a content request, execute a piece of content and provide content execution results, a content access middleware configured to allocate one or more virtual terminals to the content server, receive the content execution results from the content server and synchronize the content execution results, and a virtual convergence gateway server configured to receive the synchronized content execution results, generate mixed content and provide the mixed content to the user terminal using a split-screen method and a multi-screen method. | 07-04-2013 |
20130179495 | SYSTEM AND METHOD FOR ALERTING LEAKAGE OF PERSONAL INFORMATION IN CLOUD COMPUTING ENVIRONMENT - There are provided a file management server for ensuring security in a cloud computing environment, and a file management method thereof. The file management server includes: a file registration unit configured to store a file in a plurality of chunk servers, and to manage a security level of the file; and a file search unit configured to receive a file access request from a client module, to check a security level of a file corresponding to the file access request, to notify, if the security level of the file is equal to or higher than a predetermined security level, the file's owner that a request for accessing the file has been made. | 07-11-2013 |
20130268983 | APPARATUS AND METHOD FOR CONFIGURING ON-DEMAND CONTENT DELIVERING OVERLAY NETWORK - Provided are a method and apparatus for content delivery networking. There is provided a method of managing a content delivery network to transfer media content to a user, including: receiving a network configuration request and network configuration information, from a service provider that provides the content; receiving resource information including information about available resources required for configuring the network; and configuring a content delivery overlay network, based on the resource information and the network configuration information. Therefore, by configuring a content delivery overlay network for each provider, service and content providers having no unique content delivery method of their own can provide multimedia services based on applications for smart TV and web TV to a plurality of users. | 10-10-2013 |
20130304877 | SYSTEM AND METHOD FOR DYNAMIC CONFIGURATION OF ISN STORE-BASED OVERLAY NETWORK - A system for dynamically configuring an overlay network using an intelligent service networking (ISN) store is provided. The system includes an ISN store configured to register and manage information on network OT resources for providing an overlay network-based service available in a network; a DCON device configured to receive network OT resource information necessary for a service provider to provide the overlay network-based service from the ISN store upon the requests of the service provider and a service user and to dynamically configure an overlay network for providing the overlay network-based service based on the received network OT resource information; and a network OT resource provider configured to register the network OT resources in the ISN store. | 11-14-2013 |
20140201792 | METHOD AND APPARATUS FOR PROVIDING CHANNEL-ASSOCIATED OPTIONAL SERVICE - A method and apparatus for providing a channel-associated optional service. The method for providing a channel-associated optional service includes transmitting, in response to a service request from a user terminal, the service request to a broadcast receiving device that is mapped with the user terminal using an identifier mapping table; receiving channel information of a currently received program from the broadcast receiving device that has received the service request, and searching for program information of a relevant channel using the received channel information; searching for optional service information related to a program scheduled to be currently broadcast using the found program information; and providing the found optional service information to the user terminal. | 07-17-2014 |
20140337430 | METHOD FOR CONTENT TRANSMISSION USING SOCIAL INFORMATION - A method for efficiently transmitting contents on a network is provided. The content transmission method using social information, includes: requesting content registration and social information of a user; allocating, by a social information management node, a multicast address to be used in content transmission based on the content registration information and social information received from a social service provider; transmitting the allocated multicast address to a first access control node to which a first user terminal is connected so as to set the first access control node as a multicast source, in response to a request of the first access control node; and transmitting a response message to a second access control node for setting a multicast transmission path for content transmission between the first access control node and the second access control node when there is a sharing request of the second access control node. | 11-13-2014 |