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대역폭을 최소화 하는 AFDX 네트워크 환경 설정 연구 원문보기

  • 저자

    안동하

  • 학위수여기관

    경상대학교 대학원

  • 학위구분

    국내석사

  • 학과

    정보과학과

  • 지도교수

  • 발행년도

    2014

  • 총페이지

    p.45

  • 키워드

    configuration AFDX BAG MTU;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T13534262&outLink=K  

  • 초록

    AFDX (Avionics Full DupleXed Ethernet) introduced in ARINC 664 Part 7 is a cutting-edge ADN(Avionics Data Network) technology used by not only commercial aircraft such as Boeing B787 and Airbus A380, but also military aircraft such as A400M AIRLIFTER. It is also easy to extend since it use COTS (Commercial Off The Shelf) concept. It is based on standards from the IEEE 802.3 that is known as Ethernet. Because of increasing requirements of aircraft applications, ADN has been changed from ARINC 629 which has data speeds of up to 2 Mbps to ARINC 664 part 7 ( AFDX ) which has data speeds of up to 100 Mbps. Main stream of recent AFDX study have been conducted about modeling and response time analysis. Many study have been concentrated in, inter alia, response time analysis Upper bound and low bound. Response time can be calculated by Network calculus approach, Modeling approach and Trajectory approach. There are many researches for end-to-end delay bound purpose, but only few studies for network configuration using parameters such as BAG and MTU is existed. In this paper, we propose that how to control a set of BAG and MTU complying network constraints to make a feasible network. and then we show that how to find a set of BAG and MTU using minimum bandwidth as soon as possible. We also investigate effects of VL number. At first, we define three constraints - schdulability constraint, bandwidth constraint and Jitter constraint - for making feasible networks, and then propose a technique to find out a set of BAG and MTU. With this result, we also propose combination of sets of BAG and MTU for feasible network. after that, we suggest an algorithm for searching a set of BAG and MTU using minimum bandwidth. And we evaluate effect of parameters. Also we analyze the proposed algorithm and influences of VL number.


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