• Title/Summary/Keyword: Mobile Ad-hoc Network(MANET)

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IPv6 Stateless Address Autoconfiguration for Mobile Ad Hoc Networks (Ad hoc 망을 위한 IPv6기반 비상태형 자동 주소설정 프로토콜)

  • 박정수;인민교;홍용근;김용진;박성우
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2001.10a
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    • pp.61-64
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    • 2001
  • The concept of IPv6 stateless address autoconfiguration lends itself easily to mobile ad hoc networks. However, the Neighbor Discovery protocol (NDP)-based mechanism described in [1] does not fit well for the multi-link environments in the mobile ad hoc network. In this document, we extend the current SAA mechanism to be suitable for mobile ad hoc networks.

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Performance Analysis of an Address Auto-configuration Method Applying to Mobile Ad hoc Network Using NS-2 (NS-2를 이용한 MANET의 주소 자동설정 기법의 성능분석 연구)

  • Kim, Sun-Hwa;Go, Bin;Lee, Kyou-Ho
    • Journal of the Korea Society for Simulation
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    • v.19 no.3
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    • pp.1-6
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    • 2010
  • Simulation analysis may be the essential means to either evaluate performance of systems or optimize system parameters for new design. Including many variations for design and implementation, MANET (Mobile Ad-hoc NETwork) is one target area of such an analysis. Since every node, however, included in the network has mobility, one MANET could be overlapped or merged with another one which use a different transport protocol. In order to communicate among nodes in this case, the new merged network should configure paths and addresses in advance. Configuring paths and addresses generates much overheads which ultimately cause delay in communicating data. Performance analysis is required to improve the data transport performance by minimizing overheads. This paper proposes a sound address auto-configuration method which is based on an on-demand manner and then presents modeling and performance analysis of the method. NS-2 simulation results verify that the proposed method can not only alleviate overheads, which are inevitably generated for address auto-configuration processes, and but also decentralize them in time.

A Simulation Modeling for the Effect of Resource Consumption Attack over Mobile Ad Hoc Network

  • Raed Alsaqour;Maha Abdelhaq;Njoud Alghamdi;Maram Alneami;Tahani Alrsheedi;Salma Aldghbasi;Rahaf Almalki;Sarah Alqahtani
    • International Journal of Computer Science & Network Security
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    • v.23 no.9
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    • pp.111-119
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    • 2023
  • Mobile Ad-hoc Network (MANET) is an infrastructure-less network that can configure itself without any centralized management. The topology of MANET changes dynamically which makes it open for new nodes to join it easily. The openness area of MANET makes it very vulnerable to different types of attacks. One of the most dangerous attacks is the Resource Consumption Attack (RCA). In this type of attack, the attacker consumes the normal node energy by flooding it with bogus packets. Routing in MANET is susceptible to RCA and this is a crucial issue that deserves to be studied and solved. Therefore, the main objective of this paper is to study the impact of RCA on two routing protocols namely, Ad hoc On-Demand Distance Vector (AODV) and Dynamic Source Routing (DSR); as a try to find the most resistant routing protocol to such attack. The contribution of this paper is a new RCA model (RCAM) which applies RCA on the two chosen routing protocols using the NS-2 simulator.

Cluster Based Routing Protocol Using Fixed Cell in Mobile Ad hoc Networks (MANET) (Mobile Ad Hoc Networks(MANET)에서의 고정셀을 이용한 Cluster Based Routing Protocol)

  • 정종광;김재훈
    • Proceedings of the Korean Information Science Society Conference
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    • 2002.04a
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    • pp.583-585
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    • 2002
  • Mobile Ad Hoc Network에서는 무선으로 연결된 호스트들이 쉽게 이동할 수 있으며 미리 설치된 유선망을 이용하는 셀롤러망과 달리 이동 호스트 사이의 통신만으로 이루어진 망이다. Mobile Ad Hoc Network에서는 각각의 노드들의 이동성이 높기 때문에 이 각각의 노드들의 라우팅 경로를 결정하는 것이 중요하다. 이에 따라 Mobile Ad Hoc Network를 위한 많은 라우팅 프로토콜이 제안되었다. 본 논문에서는 기존에 제안된 Cluster Based Routing Protocol(CBRP)극 변형하여 마치 셀롤러망에서의 셀과 같이 고정된 위치를 하나의 셀로 정의하고 그 하나의 셀이 클러스터를 형성하여 라우팅 오버 헤드를 줄일 수 있는 기법을 제안한다.

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An Effective Authentication in Mobile Ad Hoc Networks (Mobile Ad Hoc Networks에서 효과적인 인증서비스)

  • Kim Yoon-Ho
    • The Journal of Society for e-Business Studies
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    • v.10 no.1
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    • pp.121-134
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    • 2005
  • The MANET has many problems in security despite of its many advantages such as supporting the mobility of nodes, independence of the fixed infrastructure, and quick network establishment. In particular, in establishing security, the traditional certification service has many difficult problems in applying to the MANET because of its safety, expandability, and availability. In this paper, a secure and effective distributed certification service method was proposed using the Secret Sharing scheme and the Threshold Digital Signature scheme in providing certification services in the MANET. In the proposed distributed certification service, certain nodes of relatively high safety among the mobile nodes consisting of the MANET, were set as privileged nodes, from which the process of issuing a certification started. The proposed scheme solved problem that the whole network security would be damaged by the intrusion to one node in the Centralized Architecture and the Hierarchical Architecture. And it decreased the risk of the exposure of the personal keys also in the Fully Distributed Architecture as the number of the nodes containing the partial confidential information of personal keys decreased. By the network simulation, the features and availability of the proposed scheme was evaluated and the relation between the system parameters was analyzed.

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A Virtual Mobile Ad-Hoc Network Model to Improve Internet Connectivity among Heterogeneous Mobile Devices (이종 모바일 기기들의 인터넷 접속을 개선할 수 있는 가상 모바일 애드혹 네트워크 모델)

  • Uddin, Jia;Kim, Jong-Myon
    • Journal of the Korea Society of Computer and Information
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    • v.19 no.1
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    • pp.31-41
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    • 2014
  • This paper proposes a virtual mobile ad-hoc network (VMANET) model that automatically divides heterogeneous mobile devices of a MANET into a number of network groups depending on the communication capacity(data rate) of different network operational models such as IEEE 802.11g, IEEE 802.11b, and Frequency Hopping. In addition, it supports a distinct routing protocol for each network group of VMANETs, resulting in running multiple routing protocols concurrently on different groups of VMANETs. To reduce the network congestion and improve the network load balance, a default MANET gateway is configured in each VMANET and these gateways are responsible for integrating the MANET and IP networks. Experiment results show that the proposed model outperforms the conventional IMANET by significantly increasing throughput and reducing network congestion and network delay.

Automatic Node Configuration Protocol for Small Sized Mobile Ad-Hoc Networks (소규모 이동 애드혹 네트워크에서의 자동 노드 설정 프로토콜)

  • Lee Hyewon K.;Mun Youngsong
    • Journal of KIISE:Information Networking
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    • v.32 no.1
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    • pp.100-109
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    • 2005
  • A Mobile Ad-Hoc Network (MANET) supports a multi-hop wireless network without any prepared base station (BS). The MANET is capable of building a mobile network automatically without any help from DHCP servers for address allocation or routers to forward or route messages. Many routing protocols have been proposed for the MANET, but these specify the most optimized or shortest path from a source to a destination, and they assume that nodes are pre-configured before communication. To make up for this, address allocation algorithms, such as MANETConf [1] and prophet address allocation algorithm [2], have been proposed. Especially, MANETConf proposes address allocation algorithm with duplication address check. In this paper, we present a dynamic node configuration protocol based on 2-tierd hierarchical network architecture for mobile ad-hoc network, modified from [1]. Especially, it reduces the number of broadcast message exchange between nodes when a new node somes into a network, which lessens network overhead, remarkably. This protocol is based on two-tired structure, and it ensures address allocation with simple duplication address defection mechanism.

MANET Certificate Model Using Distributed Partial-Certificate with Cooperation of Cluster Member Node (MANET 환경 하에서 멤버 노드간의 협력에 의해 분산된 인증서를 이용한 인증서비스에 관한 연구)

  • Lee, Dae-Young;Song, Sang-Hoon;Bae, Sang-Hyun
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.11 no.1
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    • pp.206-215
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    • 2007
  • Ad-Hoc network technology is a mobile internet technology of the future that will be used widely not only in Mobile Network but also in Wireless Personal Area Network (WPAN) and Ubiquitous Network For this to occur, distributed routing protocol design, loop prevention for link information reduction in overhead for control messages and route restoration algorithm must be improved or complemented. Security techniques that can guarantee safe com-munication between Ad-Hot nodes net also be provided. This study proposes and evaluates a new authentication mechanism for MANET. The mechanism segregates the roles of certification authority to keep with the dynamic mobility of nodes and handle rapid and random topological changes with minimal over-head. That is, this model is characterized by its high expandability that allows the network to perform authentication service without the influence of joining and leaving nodes. The efficiency and security of this concept was evaluated through simulation.

Efficient Authentication for Mobile Nodes in Mobile Ad Hoc Network (Mobile Ad Hoc Network에서 이동 노드에 대한 효율적인 인증 메커니즘)

  • Lee Yong
    • Journal of the Institute of Electronics Engineers of Korea TC
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    • v.42 no.11
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    • pp.27-34
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    • 2005
  • Mobile Ad Hoc Networks (MANETs) are self-organized networks that do not rely in their operation on wired infrastructure. As in any networking technology, security is an essential element in MANET as well, for proliferation of this type of networks. But supporting secure communication in MANETs proved to be a significant challenge, mainly due to the fact that the set of nodes in the network can change frequently and rapidly and due to the lack of access to the wired infrastructure. In particular, the trust model and the authentication protocols, which were developed for wired and infrastructure-based networks, cannot be used in MANETs. In this paper, we address the problem of efficient authentication of distributed mobile users in geographically large networks. In particular, we propose a new authentication scheme for this case of MANETs. The proposed scheme exploits Randomized Groups to efficiently share authentication information among nodes that together implement the function of a distributive Certification Authority (CA). We then evaluate the performance of authentication using Randomized Groups.

The Study on the OLSR(Optimized Link State Routing Protocol) Implementation in the Mobile Ad-hoc Network (모바일 에드혹 네트워크의 OLSR(Optimized Link State Routing Protocol) 구현에 관한 연구)

  • Cho, Tae-Kyung;Lee, Jea-Hee
    • The Transactions of the Korean Institute of Electrical Engineers P
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    • v.60 no.4
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    • pp.257-261
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    • 2011
  • In this paper, we research the OLSR(Optimized Link State Routing Protocol) of the mobile ad-hoc network protocols, and design the system implementation based on the Embedded Linux for the Ubiquitous Space construction. We prove the performance of proposed system in the various experiment environments through several scenarios which is about transmitting the image data on the mobile ad-hoc network environment.