NDLI: Resonance: dynamic access control for enterprise networks

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Resonance: dynamic access control for enterprise networks

Content Provider	ACM Digital Library
Author	Reimers, Alex Clark, Russ Nayak, Ankur Kumar Feamster, Nick
Abstract	Enterprise network security is typically reactive, and it relies heavily on host security and middleboxes. This approach creates complicated interactions between protocols and systems that can cause incorrect behavior and slow response to attacks. We argue that imbuing the network layer with mechanisms for dynamic access control can remedy these ills. We propose Resonance, a system for securing enterprise networks, where the network elements themselves enforce dynamic access control policies based on both flow-level information and real-time alerts. Resonance uses programmable switches to manipulate traffic at lower layers; these switches take actions (e.g., dropping or redirecting traffic) to enforce high-level security policies based on input from both higherlevel security policies and distributed monitoring and inference systems. We describe the design of Resonance, apply it to Georgia Tech's network access control system, show how it can both overcome the current shortcomings and provide new security functions, describe our proposed deployment, and discuss open research questions.
Starting Page	11
Ending Page	18
Page Count	8
File Format	PDF
ISBN	9781605584430
DOI	10.1145/1592681.1592684
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2009-08-21
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Access control Enterprise networks Programmable networks
Content Type	Text
Resource Type	Article

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