LATA: a latency and throughput-aware packet processing system

  • Authors:
  • Jilong Kuang;Laxmi Bhuyan

  • Affiliations:
  • Unviersity of California, Riverside, CA;Unviersity of California, Riverside, CA

  • Venue:
  • Proceedings of the 47th Design Automation Conference
  • Year:
  • 2010

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Abstract

Current packet processing systems only aim at producing high throughput without considering packet latency reduction. For many real-time embedded network applications, it is essential that the processing time not exceed a given threshold. In this paper, we propose LATA, a LAtency and Throughput-Aware packet processing system for multicore architectures. Based on parallel pipeline core topology, LATA can satisfy the latency constraint and produce high throughput by exploiting fine-grained task-level parallelism. We implement LATA on an Intel machine with two Quad-Core Xeon E5335 processors and compare it with four other systems (Parallel, Greedy, Random and Bipar) for six network applications. LATA exhibits an average of 36.5% reduction of latency and a maximum of 62.2% reduction of latency for URL over Random with comparable throughput performance.