NDLI: Towards a Scalable Modular QUIC Server

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Towards a Scalable Modular QUIC Server

Content Provider	ACM Digital Library
Author	Giaccone, Paolo Duan, Yufeng Traverso, Stefano Gallo, Massimo Laufer, Rafael
Abstract	QUIC has been recently proposed as an alternative transport protocol for web services requiring both low latency and end-to-end encryption. In a different direction, recent kernel-bypass techniques enabling high-speed packet I/O have fostered the development of scalable middleboxes and servers with the introduction of user-space network stacks. Attempting to join the best of both solutions, we introduce in this paper a modular L2--L7 network stack in user space based on QUIC. Our modular and scalable QUIC transport protocol called cQUIC is implemented in Click and uses Intel® DPDK for high-speed packet I/O. We prototype cQUIC and show at least an order of magnitude improvement over the Google QUIC server. We also show that cQUIC scalability is CPU (and not I/O) bounded due to the high cost of cryptographic operations. From real-world traffic traces, we observe that up to 18% of QUIC connections are established using the expensive 2-RTT handshake, limiting scalability further.
Starting Page	19
Ending Page	24
Page Count	6
File Format	PDF
ISBN	9781450350532
DOI	10.1145/3098583.3098587
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2017-08-09
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Application layer Transport protocol Network stack
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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