Journal of Korea Multimedia Society (한국멀티미디어학회논문지)

Korea Multimedia Society (한국멀티미디어학회)
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A Study on Reconfigurable Network Protocol Stack using Task-based Component Design on a SoC Platform

SoC 플랫폼에서 태스크 기반의 조립형 재구성이 가능한 네트워크 프로토콜 스택에 관한 연구

  • 김영만 (부산대학교 컴퓨터공학과) ;
  • 탁성우 (부산대학교 정보컴퓨터공학부)
  • Published : 2009.05.30
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Abstract

In this paper we propose a technique of implementing the reconfigurable network protocol stack that allows for partitioning network protocol functions into software and hardware tasks on a SoC (System on Chip) platform. Additionally, we present a method that guarantees the deadline of both an individual task and messages exchanging among tasks in order to meet the deadline of real-time multimedia and networking services. The proposed real-time message exchange method guarantees the deadline of messages generated by multimedia services that are required to meet the real-time properties of multimedia applications. After implementing the networking functions of TCP/IP protocol suite into hardware and software tasks, we verify and validate their performance on the SoC platform. Experimental results indicate that the proposed technique improves the performance of TCP/IP protocol suit as well as application service satisfaction in application-specific real-time.

본 논문에서는 네트워크 포로토콜의 기능 명세를 소프트웨어 및 하드웨어 태스크로 분할한 후에 태스크 단위에서 조립형 재구성이 가능한 네트워크 프로토콜 스택의 설계 기법을 제안하였다. 또한 네트워크 기능을 사용하는 실시간 응용 서비스의 마감시한을 보장하기 위하여 개별 태스크의 마감시한을 보장함과 동시에 각 태스크 간에 교환되는 메시지의 마감시한을 보장하는 기법을 제안하였다. 제안한 기법은 네트워크 프로토콜의 기능을 태스크 단위로 분할한 후에 조립형 재구성이 가능한 소프트웨어 및 하드웨어 기반의 네트워크 프로토콜 태스크로 설게 및 구현할 수 있다. 또한 제아한 실시간 메시지 교환 기법은 마감시한 내에 메시지의 처리를 완료해야 하는 멀티미디어 응용 서비스의 실시간 속성을 만족시킬 수 있다. 본 논문에서는 TCP/IP 프로토콜을 태스크 단위로 분할하여 SoC(System-on-chip) 플랫폼에서 각각 하드웨어 및 소프트웨어 태스크로 구현한 후에 제안한 기법의 성능을 분석한 결과, 응용 서비스가 요구하는 실시간성 만족도를 제공함과 동시에 TCP/IP 프로토콜의 처리 성능도 향상되었음을 확인하였다.

Keywords

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