ClickNF: a Modular Stack for Custom Network Functions

Authors: 

Massimo Gallo and Rafael Laufer, Nokia Bell Labs

Abstract: 

Network function virtualization has recently allowed specialized equipment to be replaced with equivalent software implementation. The Click router was a first step in this direction, defining a modular platform for generalized packet processing. Despite its major impact, however, Click does not provides native L4 implementation and only uses nonblocking I/O, limiting its scope to L2-L3 network functions. To overcome these limitations we introduce ClickNF, which provides modular transport and application-layer building blocks for the development of middleboxes and server-side network functions. We evaluate ClickNF to highlight its state-of-the-art performance and showcase its modularity by composing complex functions from simple elements. ClickNF is open source and publicly available.

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BibTeX
@inproceedings {215973,
author = {Massimo Gallo and Rafael Laufer},
title = {ClickNF: a Modular Stack for Custom Network Functions},
booktitle = {2018 {USENIX} Annual Technical Conference ({USENIX} {ATC} 18)},
year = {2018},
isbn = {978-1-939133-01-4},
address = {Boston, MA},
pages = {745--757},
url = {https://www.usenix.org/conference/atc18/presentation/gallo},
publisher = {{USENIX} Association},
month = jul,
}

Presentation Audio