Journal of Digital Convergence (디지털융복합연구)

The Society of Digital Policy and Management (한국디지털정책학회)
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Analysis of Operation Areas for Automatically Tuning Burst Size-based Loss Differentiation Scheme Suitable for Transferring High Resolution Medical Data

고해상도 의학 데이터 전송에 적합한 자동 제어 버스트 크기 기반 손실 차등화 기법을 위한 동작 영역 분석

  • Received : 2022.02.18
  • Accepted : 2022.04.20
  • Published : 2022.04.28
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Abstract

In medical area, very high resolution images, which is loss sensitive data, are used. Therefore, the use of optical internet with high bandwidth and the transmission of high realiability is required. However, according to the nature of the Internet, various data use the same bandwidth and a new scheme is needed to differentiate effectively these data. In order to achieve the differentiation, optical delay line buffers are used. However, these buffers is constructed based on some optimal values such as the average offered load, measured data burst length, and basic delay unit. Once the buffers are installed, they are impossible to reinstall new buffers. So, the scheme changing burst length dynamically was considered. However, this method is highly unstable. Therefore, in this article, in order to guarantee the stable operation of the scheme, the analysis of operation conditions is performed. With the analysis together with the scheme, high resolution medical data with the higher class can transmit stably without loss.

의료 현장에서는 매우 고해상도의 이미지를 사용하고 있으며, 이는 손실에 매우 민감한 정보이다. 이에 따라 높은 대역폭뿐만 아니라 고신뢰성 전송을 제공할 수 있는 광 인터넷의 활용이 요구되고 있다. 그러나 인터넷의 특성상 다양한 종류의 데이터가 동일한 대역폭을 활용하게 되고, 이를 효과적으로 차별화할 수 있는 수단이 요구되고 있다. 이를 위해 광 지연 라인 버퍼가 많이 활용되고 있다. 그러나, 이러한 버퍼는 제공 부하, 측정된 데이터 버스트 크기, 기본 지연 유닛 등과 같은 최적값을 이용해 구성된다. 광 버퍼는 한 번 설정되면 변경할 수 없다. 그러므로 데이터 버스트 크기를 동적으로 변경시키는 방법이 활용되고 있다. 그러나 동적으로 버스트의 길이를 변화시키는 것은 상당한 불안정성을 내포하고 있다. 이에 본 논문에서는 안정적인 동작을 보장할 수 있는 동작 조건을 분석하고자 한다. 본 논문의 기법을 활용해 높은 우선순위의 고해상도 의료 데이터를 손실 없이 안정적으로 전송할 수 있다.

Keywords

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