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Poster Abstract: Chaining of hardware accelerated Virtual Network Functions in PCIe Environments

Author:Ralf Kundel, Tim Burkert, Carsten Griwodz, Boris Koldehofe
Date:December 2019
Kind:In proceedings - use for conference & workshop papers
Publisher:Association for Computing Machinery
Book title:Proceedings of the 20th International Middleware Conference Demos and Posters
Keywords:VNF, PCIe, FPGA, GPU, hardware acceleration, offloading, network function chaining
Abstract:The growth of compute-intensive applications causes an increasing demand for computing resources in both data centers and underlying networks. To satisfy these computing and networking demands, hardware-accelerated computing with GPUs and FPGAs becomes more and more prevalent. However, current approaches of accelerated Virtual Network Functions (VNF), typically based on PCIe accelerator cards, suffer from many superfluous data transfers between the memory of hosts and accelerator devices. In this work we propose “host bypassing” for chained hardware-accelerated network functions, which reduces memory copying to a minimum, which increases throughput and reduces latency.
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