The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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QoS guaranteed I-MRSVP Protocol for Supporting Integrated Mobility in Mobile Computing Environments

이동 컴퓨팅 환경에서 통합 이동성을 지원하는 QoS 보장형 I-MRSVP 프로토콜

  • 박상윤 (대림대학 컴퓨터정보계열) ;
  • 임동규 (한국정보통신기술협회) ;
  • 김원태 ((주)로스틱테크놀로지) ;
  • 엄영익 (성균관대학교 정보통신공학부)
  • Published : 2003.05.01
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Abstract

RSVP was published as a resource reservation protocol to guarantee QoS for realtime applications in wired network environments. As mobile application services in wireless network environments are more popular, QoS guaranteeing problem becomes an important issue in mobile computing environments. Therefore, the researches about cooperation between RSVP and Mobile IP supporting mobility in mobile computing environments are activating today. In this paper, we propose I-MRSVP(Integrated-Mobile RSVP), a QoS guaranteed resource reservation protocol supporting the integrated mobility in mobile computing environments. I-MRSVP protocol supports the integrated mobility providing interoperability between Mobile IP-based macro cells and Cellular IP-based micro cells. To minimize resource reservation overheads, it provides efficient resource reservation functions by using the signal strength based predictive resource reservation scheme.

유선 네트워크 환경에서 실시간 응용의 QoS 보장을 위한 자원 예약 프로토콜로서 RSVP가 발표된 바 있다. 한편, 무선 네트워크 환경에서의 응용 서비스가 대중화되면서 이동 컴퓨팅 환경에서의 QoS 보장이 이슈가 되고 있다. 이에 따라 RSVP와 이동 컴퓨팅 환경에서 이동성을 지원하는 Mobile IP간의 연동이 활기를 띠고 있다. 본 논문에서는 이동 컴퓨팅 환경에서 통합 이동성을 지원하는 QoS 보장형 자원 예약 프로토콜인 I-MRSVP(Integrated-Mobile RSVP)를 제안한다. I-MRSVP 프로토콜은 Mobile IP 기반의 광역 셀과 Cellular IP 기반의 협역 셀간의 상호운용성을 제공하는 통합 이동성을 지원하고 신호 세기 기반 예측 자원 예약 기법을 통해 효율적인 자원 예약 기능을 제공한다.

Keywords

References

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