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WO2007066866A1 - Procédé d'optimisation de routage - Google Patents

Procédé d'optimisation de routage Download PDF

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Publication number
WO2007066866A1
WO2007066866A1 PCT/KR2006/002488 KR2006002488W WO2007066866A1 WO 2007066866 A1 WO2007066866 A1 WO 2007066866A1 KR 2006002488 W KR2006002488 W KR 2006002488W WO 2007066866 A1 WO2007066866 A1 WO 2007066866A1
Authority
WO
WIPO (PCT)
Prior art keywords
forwarding table
packet
mobile router
mobile
routing optimization
Prior art date
Application number
PCT/KR2006/002488
Other languages
English (en)
Inventor
Eun-Kyoung Paik
Min-Ji Nam
Se-Jun Park
Yang-Hee Choi
Tae-Kyoung Kwon
Sung-Min Baek
Ho-Sik Cho
Jin-Gyu Yoo
Original Assignee
Kt Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kt Corporation filed Critical Kt Corporation
Publication of WO2007066866A1 publication Critical patent/WO2007066866A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • H04W8/082—Mobility data transfer for traffic bypassing of mobility servers, e.g. location registers, home PLMNs or home agents
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/12—Reselecting a serving backbone network switching or routing node
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/04—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]

Definitions

  • the present invention relates to a routing optimization method on a nested mobile network and a computer-readable recording medium recording a program using the same; and, more particularly, to a routing optimization method on a nested mobile network that each user terminal can fast and efficiently communicate through routing optimization of a packet when user terminals within nested network mobility (Intra-NEMO) communicate under nested network mobility protocol obtained by extending a NEMO basic support protocol developed to support mobility of the Internet, and a computer-readable recording medium recording a program using the same.
  • nested network mobility Intra-NEMO
  • HoA Home address is an address used to identify each mobile node (MN) in mobile Internet protocol (IP).
  • Care of address is an address having location information of the mobile node in the mobile IP.
  • Prefix is a mobile network prefix.
  • HA home appliance
  • MR mobile router
  • protocol is required to be extended for efficient communication between user terminals under a nested mobile network.
  • the user terminals under the nested mobile network define a series of protocols to interactively communicate through an optimal route.
  • TCP/IP Transmission Control Protocol/Internet Protocol
  • the mobile IP is well operated when an individual user terminal moves, but has many problems when a subnet including a plurality of user terminals simultaneously operate. That is, when a portable Internet device is used, it is expected that users desire to wirelessly access to the Internet while moving through transportation such as a bus, subway, and a car. Accordingly, when each user communicates based on the mobile IP, there is a problem that all users should register location information in case that transportation such as the subway loading many users moves from one cell to another.
  • the NEMO basic support protocol suggested by the IETF introduces a concept of a router capable of moving called a mobile router (MR) and sets up the mobile router in transportation.
  • MR mobile router
  • the NEMO basic support protocol considers that an entire network moves and only the mobile router updates location information in a corresponding home agent.
  • two user terminals included in the nested mobile network can communicate only through the home agent of the mobile routers having a structure nested to the home agent of each user terminal.
  • the home agent of the mobile router having the structure nested to the home agent of each user terminal is located in the outside of the nested mobile network and it causes long delay in communication.
  • the delay becomes a serious problem. Therefore, when terminals included in the same nested mobile network communicate, an efficient routing method should be found. Disclosure
  • an object of the present invention to provide a routing optimization method on a nested mobile network that each user terminal can fast and efficiently communicate through routing optimization of a packet when user terminals communicate within nested network mobility (NEMO), i.e., Intra-NEMO, under nested network mobility protocol, and a computer-readable recording medium a recording a program using the same.
  • NEMO nested network mobility
  • a communication routing optimization method on a nested mobile network including the steps of: a) interactively transmitting a routing optimization message including a network prefix of an internal interface at each mobile router on the nested mobile network; b) creating/updating a forwarding table at each mobile router on the nested mobile network based on the transmitted routing optimization message; and c) when a mobile router (MR) transmits a received packet, comparing a destination Internet Protocol (IP) address of the packet with an entry of the forwarding table and forwarding the packet to a corresponding interface based on information of the forwarding table.
  • MR mobile router
  • IP Internet Protocol
  • the communication routing optimization method further includes the step of: d) when a mobile router transmits a received packet, comparing a destination IP address of the packet with an entry of the forwarding table and transmitting the packet through a bi- directional tunnel to a home agent (HA) .
  • HA home agent
  • a computer-readable recording medium for storing a routing optimization program in mobile network system having a processor for communication in a nested mobile network, including the steps of: a) interactively transmitting a routing optimization message including a network prefix of its own internal interface by each mobile router on the nested mobile network; b) creating/updating a forwarding table based on the transmitted routing optimization message; and c) when a mobile router transmits the received packet, comparing a destination Internet Protocol address of a corresponding packet with an entry of the forwarding table and forwarding the corresponding packet to a corresponding interface based on information of the forwarding table.
  • the present invention provides a computer- readable recording medium recording a program, which includes the steps of: a) comparing the destination IP address of the corresponding packet with the entry of the forwarding table when one mobile router transmits the transmitted packet, and b) when there is no entry, transmitting the packet through a bi-directional tunnel to the home agent.
  • the present invention suggests a communication routing optimization method for efficient communication between user terminals under the nested mobile network.
  • the mobile router and the user terminal applies exchange of the message and the routing table. It is an additional thing which is not required to use and Internet or a NEMO basic support protocol in the conventional fixed environment. Accordingly, the message exchange and the size of the routing table should be minimized. It is an essential element for searching an optimal communication route by exchanging a message fast.
  • the present invention focuses on setting up an optimal route when each user terminal communicates on the nested mobile network and minimizing an additional cost. Also, the present invention suggests a distributed structure to acquire security.
  • the present invention can transmit a packet through an optimal network route without going through a mobile router having a nested structure and a home agent of each mobile router.
  • VNs visiting mobile nodes
  • LPNs local fixed nodes
  • the present invention considers routing optimization between mobile nodes in case that the mobile nodes following a Mobile IPv6 protocol are located on the nested mobile network. Accordingly, when the routing optimization technique suggested in the Mobile IPv6 protocol is adopted, the optimal route can be secured, just as the local fixed node does.
  • the mobile network is a protocol structure considering mobility.
  • the mobile network nodes on the mobile network do not recognize the change of the location and do not generate a signal for newly updating its own location information.
  • the characteristic is called transparency on mobility and becomes a representative merit of the mobile network protocol. Therefore, when the entire nested mobile network moves, the present invention can secure transparency on mobility. That is, the present invention secures an optimal route, but does not simultaneously generate a signal due to update of additional location information due to the network mobility.
  • the mobile network protocol when the mobile network protocol is applied to Internet access and a personal portable terminal, it is possible to provide a call or a service of a good quality to clients in a call between the clients within a specific region, an interactively working application, traffic control between each vehicles and a scenario of a traffic control system for other application. Also, a service provider can more efficiently use network resources.
  • Fig. 1 shows a procedure that routing optimization messages are transmitted in accordance with an embodiment of the present invention
  • Fig. 2 shows a data packet transmitting method of an optimized route in accordance with the embodiment of the present invention
  • Fig. 3 shows a routing optimization message in accordance with an embodiment of the present invention
  • Fig. 4 shows a forwarding table entry format of the routing optimization message in accordance with the embodiment of the present invention.
  • Fig. 5 shows a forwarding table data structure of a mobile router in accordance with the embodiment of the present invention.
  • the present invention suggests a method for setting up an optimal communication route when each user terminal communicates with other user terminal on the same nested mobile network under a nested network mobility support protocol for supporting that the nested mobile network including a plurality of mobile networks forms one unit.
  • NEMO network mobility
  • each mobile router interactively transmits a routing message including a network prefix of its own internal interface and all mobile routers (MRs) create a forwarding table based on the transmitted routing message on the nested mobile network.
  • the mobile router forwards the packet to a corresponding interface in case that a destination IP address of a corresponding packet is the same as an entry of a forwarding table based on information of the forwarding table. Otherwise, the mobile router transmits the packet through a bidirectional tunnel to the home agent, as a definition of the NEMO basic support protocol.
  • the present invention has a stateless distributed structure, which does not require status information, an additional agent for routing optimization is not required. Also, user terminals included in the same nested mobile network can communicate through an optimal route, it is possible to minimize communication delay. Accordingly, a real time game, real time communication, a walky-talky service, and data transmission between user terminals in the inside of one mobile network such as the same vehicle or train can be efficiently performed.
  • a method for optimizing a communication route of the user terminals on one nested mobile network in a structure of the nested mobile network will be described hereinafter.
  • each of mobile routers 21 to 24 interactively transmits a routing message including a network prefix of its own internal interface (see Fig. 1) and all mobile routers 21 to 24 on the nested mobile network create a forwarding table based on the transmitted routing message (see Fig. 1).
  • the mobile routers 21 to 24 forward the packet to a corresponding interface based on the information of the forwarding table in case that the destination IP address of the corresponding packet is the same as the entry of the forwarding table. Otherwise, the mobile routers 21 to 24 transmit the packet through the bi-directional tunnel to the home agent, just as the definition of the NEMO basic support protocol.
  • a procedure for transmitting the routing optimization message is as follows.
  • the mobile router following the NEMO basic support protocol does not have information on a network prefix of an internal interface of other mobile routers or mobile network nodes in a structure of the nested mobile network,
  • the mobile router basically transmits all packets toward the home agent of the mobile router.
  • all mobile routers 21 to 24 on the nested mobile network can figure out the information of the network prefix in the internal interface of other mobile routers 21 to 24 through the routing optimization message (see Fig. 3).
  • a point of the contents included in the routing optimization message is that the packet can be transmitted to the destination included in the message within a few hops in case that the mobile routers transmit a corresponding packet to themselves.
  • the mobile routers 21 to 24 transmit a routing optimization message having contents that the mobile routers 21 to 24 can transmit a packet to an address region of its own internal interface, i.e., having one forwarding table entry (see Fig. 4), through its own all interface.
  • the mobile routers 21 to 24 transmit the routing optimization message including the forwarding table entry on the address region of its own internal interface and two forwarding table entries in the conventional forwarding table through all interfaces.
  • the routing optimization message has all nodes of a corresponding interface, i.e., the mobile routers MR 21 to 24, receive the routing optimization message based on IPv6 link local multicast.
  • the routing optimization message basically transmitted to all interfaces including the forwarding table entry of all forwarding tables every specific cycle.
  • the routing optimization message including only a forwarding table entry of updated contents is transmitted.
  • the mobile routers 21 to 24 receiving the routing optimization message adds a corresponding forwarding table entry to the forwarding table.
  • the mobile routers 21 to 24 compare the metric of each forwarding table entry with the newly received forwarding table entry. When the newly received forwarding table entry is smaller than the metric of the conventional forwarding table entry, the newly received forwarding table entry is replaced with a new forwarding table entry, Otherwise, the newly received forwarding table entry is ignored.
  • Fig. 1 shows a procedure that routing optimization messages 101 to 103 are transmitted and each mobile router 21 to 24 create forwarding tables 201 to 203.
  • the mobile router 21 of a home address B::l can transmit a packet to a mobile network node (MN) 11 corresponding to a mobile network prefix B:: of its own internal interface through one hop. Accordingly, the mobile router 21 transmits the routing optimization message 101 to the mobile router 22, which is a home address A::l.
  • An IP address of B::l, which is identifiable in a corresponding interface, is A::2, i.e., the care of address (CoA). Therefore, a source address of a routing optimization message is A::2.
  • the mobile router 22 of the home address A::l receives the new routing optimization message 101, the mobile router 22 adds corresponding information to a forwarding table 201.
  • the metric value becomes 2 by adding the number of hops of the mobile router 22 and the B::l mobile router 21. Since the A::l mobile router 22 updates the forwarding table 201, the A::l mobile router 22 transmits the routing optimization message 102 through all interfaces.
  • the mobile router 23 of a home address C::l receives the new routing optimization message 102, the mobile router 23 adds corresponding information to a forwarding table 202.
  • a metric value becomes 3 by adding the number of hops of the mobile router 23 and the A::l mobile router 22. Since the C::l mobile router 23 updates a forwarding table 202, the C::l mobile router 23 transmits a routing optimization message 103 through all interfaces.
  • the mobile router 24 of a home address D::l receives the new routing optimization message 103, the mobile router 24 adds corresponding information to a forwarding table 203.
  • a metric value becomes 4 by adding the number of hops of the mobile router 24 and the C::l mobile router 23.
  • next mobile routers 21 to 24 to transmit a packet are determined such that all mobile routers 21 to 24 of the nested mobile network can transmit a packet to the mobile network node 11 having a B: : prefix.
  • the mobile routers 21 to 24 When the mobile routers 21 to 24 receive a packet from the mobile network nodes 11 and 12, or other mobile routers 21 to 24, the mobile routers 21 to 24 searches in a forwarding table whether a forwarding table entry matching with a destination IP address of the corresponding packet exists.
  • the mobile routers 21 to 24 transmits a corresponding packet based on next hop information of the forwarding table.
  • the packet is transmitted through a bidirectional tunnel to the home agent.
  • the data packet 301 is transmitted to the mobile router 24 of the home address D::l.
  • the D::l mobile router 24 figures out that the D::l mobile router 24 can transmit a packet having a prefix destination address of B:: to the mobile router 23 of the home address C::l only within 4 hops. Therefore, the D::l mobile router 24 transmits the corresponding packet 301 to the C::l mobile router 23.
  • the C::l mobile router 23 figures out that the C::l mobile router 23 can transmit a packet having the prefix destination address of B:: to the mobile router 22 of the home address A::l only within 3 hops. Therefore, the C::l mobile router 23 transmits the corresponding packet 301 to the A::l mobile router 22.
  • the corresponding packet 301 is transmitted to the mobile network node 11 through the mobile router 22 of the home address A::l and the mobile router 21 of the home address B::l.
  • a command of the routing optimization message is divided into Request, Response, and Default.
  • the Request is a command which does not wait a cycle that the routing optimization message is transmitted and requests a routing optimization message to a near mobile router for fast routing optimization when a new mobile router attends the nested mobile network.
  • a routing optimization message to be transmitted to the mobile router request the routing optimization message is a Response message.
  • the routing optimization message which is basically transmitted every specific cycle, has a Default command.
  • the routing optimization message includes a plurality of 20-bytes forwarding table entries.
  • each of 20-bytes forwarding table entry includes a field for a 16-bite IPv6 prefix and has information on a 1-bite network prefix length and a 1-bite route metric.
  • a structure of the forwarding table included in the mobile router is as shown in Fig. 5.
  • the forwarding table has IPv6 prefix, metric, next hop, and last time fields.
  • the IPv6 prefix field shows an IPv6 address region prefix of the destination address for routing optimization .
  • the metric field shows a network route metric consumed for transmission to a corresponding destination IP address.
  • the next hop field shows a next mobile router which the mobile router should transmit in case that a packet is transmitted through routing optimization.
  • the last time field shows a recent transmission time of each forwarding table entry. Since the mobile router can leave the nested mobile network without transmitting an explicit message in the nested mobile network, the corresponding forwarding table entry should be deleted when a specific time passes. When the forwarding table entry is not updated for a predetermined time with reference to the last time field, the corresponding forwarding table entry should be deleted.
  • the technology of the present invention can be realized as a program and stored in a computer-readable recording medium, such as CD-ROM, RAM, ROM, floppy disk, hard disk and magneto-optical disk. Since the process can be easily implemented by those skilled in the art, further description will not be provided herein.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé d'optimisation de routage sur un réseau mobile imbriqué et un support d'enregistrement lisible par un ordinateur sur lequel un programme est enregistré. Ledit procédé consiste : a) à transmettre de façon interactive un message d'optimisation de routage contenant un préfixe réseau d'une interface interne au niveau de chaque routeur mobile sur le réseau mobile imbriqué, b) à créer/mettre à jour une table d'acheminement à partir du message d'optimisation de routage transmis et c), lorsqu'un routeur mobile (MR) transmet un paquet reçu, à comparer une adresse IP de destination du paquet à une entrée de la table d'acheminement puis à acheminer le paquet vers une interface correspondante sur la base d'informations contenues dans la table d'acheminement.
PCT/KR2006/002488 2005-12-06 2006-06-27 Procédé d'optimisation de routage WO2007066866A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020050118387A KR100884898B1 (ko) 2005-12-06 2005-12-06 동일 중첩된 이동 네트워크에서 통신 경로 최적화 방법
KR10-2005-0118387 2005-12-06

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WO2007066866A1 true WO2007066866A1 (fr) 2007-06-14

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3081021A4 (fr) * 2014-01-10 2017-03-22 Huawei Technologies Co., Ltd. Système et procédé de support de mobilité distribué et intégré pour réseaux mobiles et hôtes mobiles
CN103326944B (zh) * 2012-03-21 2017-12-15 华为技术有限公司 一种组播传输方法、装置和网络系统
WO2017201027A3 (fr) * 2016-05-16 2017-12-28 Interdigital Patent Holdings, Inc. Perfectionnements de relais ieee 802.11ah

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100904549B1 (ko) * 2007-10-22 2009-06-25 성균관대학교산학협력단 이동 에이전트에 상응하여 링 토폴로지 형성 방법 및 그시스템
KR100929914B1 (ko) * 2007-12-18 2009-12-04 한국전자통신연구원 애드 혹 네트워크를 위한 동적 주소 할당 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7886075B2 (en) 2003-05-16 2011-02-08 Cisco Technology, Inc. Arrangement for retrieving routing information for establishing a bidirectional tunnel between a mobile router and a correspondent router
KR100597432B1 (ko) * 2003-10-23 2006-07-10 한국전자통신연구원 이웃탐색 프록시 기반의 아이피브이6 이동 네트워크에서의이동노드를 위한 경로최적화 방법
KR100596383B1 (ko) * 2003-11-25 2006-07-03 한국전자통신연구원 프리픽스 위임 프로토콜을 이용한 경로 최적화 방법
KR100635127B1 (ko) * 2004-12-20 2006-10-17 한국전자통신연구원 Ｉｐｖ6 기반 망이동성 서비스에서 경로 최적화 방법

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
HOSIK CHO, EUN KYOUNG PAIK, YANGHEE CHOI: "R-BU: recursive binding uptake for route optimization in nested mobile networks", VEHICULAR TECHNOLOGY CONFERENCE, 2003. VTC 2003-FALL. 2003 IEEE 58TH, vol. 3, 6 October 2003 (2003-10-06) - 9 October 2003 (2003-10-09), pages 2063 - 2067, XP010701205 *
KEYONGJIN LEE, JUNGSOO PARK, HYOUNGJUN KIM: "Route optimization for mobile nodes in mobile network based on prefix delegation", VEHICULAR TECHNOLOGY CONFERENCE, 2003. VTC 2003-FALL. 2003 IEEE 58TH, vol. 3, 6 October 2003 (2003-10-06) - 9 October 2003 (2003-10-09), pages 2035 - 2038, XP010702748 *
PERERA E., SENEVIRATNE A., SIVARAMAN V.: "OptiNets: an architecture to enable optimal routing for network mobility", WIRELESS AD-HOC NETWORKS, 2004 INTERNATIONAL WORKSHOP, 31 May 2004 (2004-05-31) - 3 June 2004 (2004-06-03), pages 68 - 72, XP002416275 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103326944B (zh) * 2012-03-21 2017-12-15 华为技术有限公司 一种组播传输方法、装置和网络系统
EP3081021A4 (fr) * 2014-01-10 2017-03-22 Huawei Technologies Co., Ltd. Système et procédé de support de mobilité distribué et intégré pour réseaux mobiles et hôtes mobiles
US9730141B2 (en) 2014-01-10 2017-08-08 Futurewei Technologies, Inc. System and method for distributed and integrated mobility support for mobile networks and mobile hosts
US10231164B2 (en) 2014-01-10 2019-03-12 Futurewei Technologies, Inc. System and method for distributed and integrated mobility support for mobile networks and mobile hosts
WO2017201027A3 (fr) * 2016-05-16 2017-12-28 Interdigital Patent Holdings, Inc. Perfectionnements de relais ieee 802.11ah

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Publication number Publication date
KR100884898B1 (ko) 2009-02-23
KR20070059489A (ko) 2007-06-12

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