| Patent application number | Description | Published |
|---|
| 20090024732 | APPARATUS FOR PREFIX CONTROL AND APPARATUS FOR PREFIX CHOICE - Disclosed is a technique which enables a communication node connected to a router made to advertise a plurality of prefixes to use an address including an appropriate prefix. According to this technique, an MR (Mobile Router) ( | 01-22-2009 |
| 20090210532 | METHOD FOR SELECTIVE SERVICE UPDATES FOR COMMUNICATION NETWORKS - A method for performing selective updating procedure of service advertisements. In this method, a Master personal gateway ( | 08-20-2009 |
| 20090238080 | TUNNELING LOOP DETECTION CONTROL APPARATUS - Disclosed is a technique whereby a tunnel entry point, which encapsulates a packet (generates a tunnel packet), can detect the presence of a tunneling loop causing a packet to loop the same path while encapsulated. According to this technique, upon receipt of a packet from a source node (source) | 09-24-2009 |
| 20090238111 | APPARATUS FOR FLOW CONTROL - Disclosed is a technique which enables a mobile node (MN) connected to a mobile router (MR) to carry out flow filtering in a mobile network. This technique allows an MN | 09-24-2009 |
| 20090257401 | COMMUNICATION SYSTEM, MOBILE ROUTER AND HOME AGENT - The present invention provides a new technique, according to which inefficient and redundant routing can be eliminated, which may occur when the fast handover is applied to network mobility and which may cause delay. According to this technique, a mobile router (MR) | 10-15-2009 |
| 20090285103 | APPARATUS FOR CONTROLLING TUNNELING LOOP DETECTION - Disclosed is a technique whereby a packet transferring apparatus (particularly, a tunnel entry point made to carry out packet encapsulation) becomes capable of detecting a tunneling loop signifying that a packet loops along the same route while undergoing encapsulation. With this technique, at packet transfer, a loop detection module of a router according to the present invention stores a TEL value (value of tunnel encapsulation limit for limiting the number of times of duplication of tunnel) set in an encapsulation header of this packet or stores a TEL value set in an encapsulation header of a packet sent back as an ICMP error In addition, the loop detection module analyzes an increase/decrease variation pattern of the stored TEL value relative to time and, in a case in which the pattern agrees with a unique pattern (sawtooth-like pattern) appearing at the occurrence of a tunneling loop, estimates that a tunneling loop has occurred. | 11-19-2009 |
| 20100014445 | ADDRESS UPDATING METHOD, CORRESPONDING MOBILE TERMINAL AND NODE - Disclosed is a technique providing an address updating method capable of transmitting a binding update message while suppressing bandwidth dissipation and a mobile node, a proxy node and a management node for use in this method. This technique comprises a step in which a mobile node generates a single message including needed information at the registration of a changed address in a management node in a state associated with a plurality of home addresses and transmits the generated message to the management node, and a step in which the management node updates an address of a destination of the mobile node on the basis of the received message. | 01-21-2010 |
| 20100014533 | OVERLAY NETWORK NODE - There is disclosed a technology which improves scalability in an overlay network system and which efficiently supplies a service with respect to a user, and according to the technology, for example, in a case where a mobile node ( | 01-21-2010 |
| 20100034170 | Network Node and Mobile Terminal - Disclosed in a technique for more accurately checking a network condition such as a transmission delay generated in packet transmission between two nodes and other network conditions. A buffering node | 02-11-2010 |
| 20100040021 | COMMUNICATION METHOD, COMMUNICATION SYSTEM, MOBILE NODE, PROXY NODE, AND MANAGEMENT NODE - A technique of acquiring a binding ID when a mobile node performs handover is disclosed. According to the technique, when an MN | 02-18-2010 |
| 20100067381 | Overlay Network Node and Mobile Node - A technology is disclosed for appropriately providing a certain service desired by a mobile node, even in an environment including overlay network nodes providing different functions. In the technology, a mobile node (MN) | 03-18-2010 |
| 20100189000 | PREFIX INFORMATION CHECK DEVICE AND COMMUNICATION DEVICE - Disclosed is a technique to prevent the registration of false information that a mobile router is managing prefix information that is not actually managed. According to the technique, when a mobile network prefix is registered from an MR (mobile router | 07-29-2010 |
| 20100208663 | COMMUNICATION SYSTEM, MOBILE TERMINAL, AND NETWORK NODE - The invention discloses a technique to efficiently realize a routing based on preference of a mobile terminal in case the mobile terminal is connected to a mobility management domain of network base different from a home network domain. According to this technique, a mobile terminal (mobile node; MN) | 08-19-2010 |
| 20100208706 | NETWORK NODE AND MOBILE TERMINAL - Disclosed is a technique of, in a network conducting network based local mobility management, suppressing generation of signaling and an increase of processing load on a network entity and preventing a delay. According to this technique, a mobile node (MN | 08-19-2010 |
| 20100214998 | Network Management Device and Packet Transfer Device - A technique to optimize packet transfer in a network is disclosed. According to this technique, a mobile node (MN) | 08-26-2010 |
| 20100216462 | NETWORK NODE AND MOBILE TERMINAL - A technique is disclosed, according to which a mobile node, having a plurality of interfaces and performing communication according to flow information when an operator is performing communication based on the flow information as defined by a policy, can select an interface suitable for the flow and can perform communication. According to this technique, a mobile node (MN | 08-26-2010 |
| 20100238864 | MOBILE TERMINAL, NETWORK NODE, AND PACKET TRANSFER MANAGEMENT NODE - A technique is disclosed, according to which a race condition between a PMIPv6 binding by a PBU message of PMIPv6 and a CMIPv6 binding by a BU message of CMIPv6 can be resolved. MN | 09-23-2010 |
| 20100241737 | METHOD AND APPARATUS FOR ADDRESS VERIFICATION DURING MULTIPLE ADDRESSES REGISTRATION - In this present invention, when the HA is performing Bulk Registration for a Multimode Node, the HA will tagged those CoAs specified within the single BU as unverified. A verification mechanism implemented at the HA will be triggered to test the addressability of the unverified CoA before using the said unverified CoA. The method of verification involves the HA to send an acknowledgment message to an unverified CoA of the Multimode Node to test the said unverified CoA for its addressability. When the Multimode Node receives the acknowledgment message from the HA, the Multimode Node replies the HA with another single BU. Upon the receipt of the second single BU from the Multimode Node, the HA can then verify that the said unverified CoA of the Multimode Node. | 09-23-2010 |
| 20100246484 | COMMUNICATION MANAGEMENT APPARATUS AND LOCATION MANAGEMENT APPARATUS - The present invention provides a new technique, according to which a mobile router can fulfill functions as a dynamic home agent, in a system where a plurality of mobile routers are in operation, under the management of a service provider belonging to the home agent. According to this technique, the home agent verifies the legitimacy of the mobile router when it receives a Query message and a binding update message requesting permission to fulfill functions as dynamic home agent. Then, after confirming that no other mobile router is currently present, which is fulfilling the functions as dynamic home agent in a set of a plurality of mobile routers, to which this mobile router belongs, it allows said mobile router to operate as the dynamic home agent. Then, even when other mobile router requests the permission to fulfill functions as the dynamic home agent, the request is rejected, and said other mobile router utilizes the mobile router, which is fulfilling functions of the dynamic home agent, as its home agent. | 09-30-2010 |
| 20100268804 | ADDRESS ALLOCATION METHOD, ADDRESS ALLOCATION SYSTEM, MOBILE NODE, AND PROXY NODE - Disclosed is a technique for switching a forwarding address of a packet destined for a mobile node in a local mobility domain when the mobile node has a plurality of interfaces so that the packet will be forwarded to the mobile node. According to the technique, an MN | 10-21-2010 |
| 20100275253 | COMMUNICATION METHOD, COMMUNICATION SYSTEM, MOBILE NODE, AND COMMUNICATION NODE - There is provided a technique for reducing the number of messages handled in a Return Routability (RR) procedure for performing authentication between a mobile node (MN) and a peer communication node (CN). According to the technique, an MN | 10-28-2010 |
| 20100309880 | CONNECTION STATE REPORTING METHOD AND MOBILE TERMINAL USED IN THE METHOD - A technology is disclosed for providing a connection status notifying method and the like that can infer that a new connection will become usable shortly based on a predetermined action, and give notification thereof. The technology includes a step at which a mobile node | 12-09-2010 |
| 20100315973 | COMMUNICATION SYSTEM, DOMAIN MANAGING DEVICE, EDGE DEVICE AND MOBILE TERMINAL DEVICE - A technique disclosed enables a node having a plurality of interfaces to conduct connection of the plurality of interfaces simultaneously in a communication network domain. A mobile node having a plurality of interfaces connects one of the interfaces with a MAG (mobile access gateway) | 12-16-2010 |
| 20100316035 | POSITION INFORMATION MANAGEMENT DEVICE, NETWORK EDGE DEVICE, AND MOBILE TERMINAL - Disclosed is a technique that, in a network-based local mobility management method, reduces the load of a network node for managing position information of a mobile terminal and achieves a high scalability with respect to the number of mobile terminals. According to the technique, a LMA (Local Mobility Anchor) ( | 12-16-2010 |
| 20110013566 | COMMUNICATION METHOD, COMMUNICATION SYSTEM, MOBILE NODE, ACCESS ROUTER - Disclosed is a technique to reduce the number of messages to register mobile node position information with a home agent when a mobile node roams into a foreign network domain having a roaming relationship with a home network domain. Upon reception of network information | 01-20-2011 |
| 20110103260 | BINDING CACHE CREATING METHOD, BINDING CACHE CREATING SYSTEM, HOME AGENT, AND MOBILE NODE - Disclosed is a technique to, when a mobile node including a plurality of interfaces roams in a home domain, reduce signaling to create a client-based binding cache in a home agent and manages the same. When a MN ( | 05-05-2011 |
| 20110116450 | MOBILE TERMINAL AND NETWORK NODE - Disclosed is a technique for surely supporting multihoming for a mobile terminal (mobile node) moving in a local mobility domain. A mobile node (MN) | 05-19-2011 |
| 20110116475 | VERTICAL HANDOFF METHOD, VERTICAL HANDOFF SYSTEM, HOME AGENT, AND MOBILE NODE - The invention provides a technique to reduce a packet size of signaling to request vertical handoff in case a mobile node has static vertical handoff rules. According to this technique, MN | 05-19-2011 |
| 20110134869 | PREFIX ALLOCATION ADMINISTRATION SYSTEM AND MOBILE TERMINAL, AND PREFIX ALLOCATION ADMINISTRATION DEVICE - Disclosed is a technique for minimizing the number of prefixes to be allocated to a mobile terminal when the mobile terminal having multiple access technologies moves within a mobility management domain of a local network. According to the technique, management is so performed that prefixes necessary for a mobile terminal (MN | 06-09-2011 |
