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Large-Scale Scanning of TCP's Initial Window

Rüth, Jan and Bormann, Christian and Hohlfeld, Oliver (2017):
Large-Scale Scanning of TCP's Initial Window.
In: ACM Internet Measurement Conference (IMC), [Conference or Workshop Item]

Abstract

Improving web performance is fueling the debate of sizing TCP’s initial congestion window (IW), which is a critical performance parameter especially for short-lived flows. This debate yielded several RFC updates to recommended IW sizes, e.g., an increase to IW10 in 2010. The current adoption of IW recommendations is, however, unknown. In this paper, we therefore conduct large-scale measurements covering the entire IPv4 space inferring the IW distribution size by probing HTTP and HTTPS servers. We present an HTTP and TLS scanning method implemented in ZMap, enabling quick estimations of IW sizes at Internet scale. For the first time since the standardization and implementation of IW 10, we shed light on the rugged landscape of IW configurations on the Internet.

Item Type: Conference or Workshop Item
Erschienen: 2017
Creators: Rüth, Jan and Bormann, Christian and Hohlfeld, Oliver
Title: Large-Scale Scanning of TCP's Initial Window
Language: English
Abstract:

Improving web performance is fueling the debate of sizing TCP’s initial congestion window (IW), which is a critical performance parameter especially for short-lived flows. This debate yielded several RFC updates to recommended IW sizes, e.g., an increase to IW10 in 2010. The current adoption of IW recommendations is, however, unknown. In this paper, we therefore conduct large-scale measurements covering the entire IPv4 space inferring the IW distribution size by probing HTTP and HTTPS servers. We present an HTTP and TLS scanning method implemented in ZMap, enabling quick estimations of IW sizes at Internet scale. For the first time since the standardization and implementation of IW 10, we shed light on the rugged landscape of IW configurations on the Internet.

Divisions: DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1053: MAKI – Multi-Mechanisms Adaptation for the Future Internet
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1053: MAKI – Multi-Mechanisms Adaptation for the Future Internet > B: Adaptation Mechanisms > Subpproject B1: Monitoring and Analysis
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1053: MAKI – Multi-Mechanisms Adaptation for the Future Internet > B: Adaptation Mechanisms
DFG-Collaborative Research Centres (incl. Transregio)
Event Title: ACM Internet Measurement Conference (IMC)
Date Deposited: 15 Mar 2018 13:21
Additional Information:

Acceptance rate 23% (42/179)

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