MLED: A Layered Architecture for Reducing Undetected Error Probability in File Transfer

Arash Sarabi, Ibrahim Matta, Violet R. Syrotiuk

Research output: Contribution to journalArticlepeer-review

Abstract

Reliability in petabyte-scale file transfers is critical for data collected from scientific instruments. We introduce a Multi-Layer Error Detection (MLED) architecture that significantly reduces the Undetected Error Probability (UEP) in file transfer. MLED is parameterized by a number of layers $n$ , and a policy $P{i}$ for each layer $1 \le i \le n$ that describes its operation. MLED generalizes existing error detection approaches used in file transfer. We show conditions under which MLED reduces UEP. Analytical results show that a petabyte-size file transfer in MLED with $n=2$ using CRC-32s improves UEP by $2.49E\,+\,28$ compared to a single-layer CRC-64, when the BER is 10-10.

Original languageEnglish (US)
Pages (from-to)3542-3545
Number of pages4
JournalIEEE Communications Letters
Volume25
Issue number11
DOIs
StatePublished - Nov 1 2021

Keywords

  • Large-scale data transfer
  • cost/performance analysis
  • high-speed wide area network
  • multi-layer error detection
  • recursive architecture

ASJC Scopus subject areas

  • Modeling and Simulation
  • Computer Science Applications
  • Electrical and Electronic Engineering

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