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The Interaction Between the DOCSIS 1.1/2.0 MAC Protocol and TCP Application Performance

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industry standard protocols

Overview The deployment of data-over-cable broadband Internet access continues to unfold throughout the world. While there are competing technologies, the Data Over Cable (DOCSIS) 1.1/2.0 effort is emerging as the single standard. There has been little research exploring the impact that the DOCSIS 1.1/2.0 MAC and physical layers has on the performance of Internet applications. This paper provides insight into the interaction between the DOCSIS MAC protocol and web traffic. This analysis suggests that DOCSIS does not efficiently support downstream web browsing. The paper shows how a DOCSIS system is vulnerable to a denial of service attack by a hacker who exploits the interaction between the DOCSIS MAC layer and TCP. It shows that downstream rate control is not sufficient to avoid the vulnerability.

Further White Paper Details
Publisher	Clemson University	File Format	PDF
Date Published	July 2004	Downloads	1
Format	White Papers
Topics	Industry Standard Protocols, TCP - IP, Cable

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