Journal of the Institute of Electronics and Information Engineers (전자공학회논문지)

The Institute of Electronics and Information Engineers (대한전자공학회)
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T-Chord Ring System based on Overlay Network for Service Discovery and Delivery in MANET

MANET에서 서비스 발견 및 전달을 위한 오버레이 네트워크 기반의 T-Chord 링 시스템

  • Received : 2012.10.08
  • Published : 2013.01.25
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Abstract

Recently with base apply MANET with the application for the service discovery and delivery which are various techniques are being proposed the result of such MANET base research techniques from actual inside. This dissertation proposes T-Chord(Trustworthy-based Chord) Ring system for MANET to guarantees from such requirements. T-Chord Ring system in order to manage Efficiently the services which the mobile nodes provide is the service discovery system which uses P2P overlay network Technique in mobile environment. The system which is proposed MANET communications in order to accomplish a service discovery operation with physical network class and logical network class will be able to minimize problems from about MANET service discoveries, and uses the dispersive hash table technique for a service discovery and effectiveness of service discovery improves and will be able to guarantee the expandability of network size. The mobile nodes(mobile device) have a mobility from MANET and operate with service request node, service provide node and service transmit node. The mobile nodes will be able to elect cluster header using Trustworthy that was evaluated service request, provision and delivery in each other. The system which is proposed a service discovery and a delivery efficiently will compose the cluster head which will grow of P2P overlay networks and will be able to accomplish. The system which proposes from dissertation is composed of Trustworthy evaluations of MANET mobile nodes, service information collection which is dispersed and P2P overlay networks that composed of Chord algorithm modules which provide O(Log N) efficiencies. The system comparison evaluation analyzes an efficiency from the expandability side of effectiveness and the network of service discovery technique and the service discovery message over head, service discovery and delivery of former times and service discovery and delivery is excellent gives proof from MANET.

MANET의 기반 연구 기술들의 결과를 토대로 현실 속에서 MANET을 활용하기 위한 응용으로써 다양한 서비스 발견 및 전달 기법들이 제안되고 있다. 본 논문에서는 MANET에서의 메시지 오버헤드의 최소화와 안정적인 서비스 발견 및 네트워크의 확장성을 보장하기 위한 T-Chord(Trustworthy-based Chord) 링 시스템을 제안한다. T-Chord 링 시스템은 모바일 환경에서 이동 노드들이 제공하는 서비스들을 효율적으로 관리하기 위해 P2P 오버레이 네트워크 기법을 이용한 서비스 발견 시스템으로, MANET에서 이동 노드들은 이동성을 갖으며 서비스 요청 노드, 서비스 제공 노드 그리고 서비스 전달 노드로써 동작하기 위해 이동 노드들의 Trustworthy 평가와 분산된 서비스 정보의 수집, P2P 오버레이 네트워크의 구성을 통한 O(Log N) 성능을 제공하는 Chord 알고리즘 모듈로 내부 시스템을 구성하였다. 시스템의 성능 평가는 NS2 시뮬레이터를 이용하여 기존의 서비스 발견 기법들과 서비스 발견 메시지 오버헤드, 서비스 발견 및 전달의 효율성, 네트워크의 확장성 측면에서 성능을 비교 평가하고 분석함으로써 MANET에서 효과적인 서비스 발견 및 전달의 우수함을 입증하였다.

Keywords

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