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FlowTags: Enforcing Network-Wide Policies in the Presence of Dynamic Middlebox Actions
"... Past studies show that middleboxes are a critical piece of network infrastructure for providing security and performance guarantees. Unfortunately, the dynamic and traffic-dependent modifications induced by middleboxes make it difficult to reason about the correctness of network-wide policy enforcem ..."
Abstract
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Cited by 37 (7 self)
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enforcement (e.g., access control, accounting, and performance diagnostics). Using practical application scenarios, we argue that we need a flow tracking capability to ensure consistent policy enforcement in the presence of such dynamic traffic modifications. To this end, we propose FlowTags, an extended SDN
Enforcing Network-Wide Policies in the Presence of Dynamic Middlebox Actions using FlowTags
"... Middleboxes provide key security and performance guarantees in networks. Unfortunately, the dynamic traf-fic modifications they induce make it difficult to reason about network management tasks such as access control, accounting, and diagnostics. This also makes it difficult to integrate middleboxes ..."
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middleboxes into SDN-capable networks and leverage the benefits that SDN can offer. In response, we develop the FlowTags architecture. FlowTags-enhanced middleboxes export tags to provide the necessary causal context (e.g., source hosts or in-ternal cache/miss state). SDN controllers can configure the tag
USENIX Association 11th USENIX Symposium on Networked Systems Design and Implementation 533 Enforcing Network-Wide Policies in the Presence of Dynamic Middlebox Actions using FlowTags
"... Middleboxes provide key security and performance guarantees in networks. Unfortunately, the dynamic traf-fic modifications they induce make it difficult to reason about network management tasks such as access control, accounting, and diagnostics. This also makes it difficult to integrate middleboxes ..."
Abstract
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middleboxes into SDN-capable networks and leverage the benefits that SDN can offer. In response, we develop the FlowTags architecture. FlowTags-enhanced middleboxes export tags to provide the necessary causal context (e.g., source hosts or in-ternal cache/miss state). SDN controllers can configure the tag
Enforcing Policies in Pervasive Environments
- In Mobile and Ubiquitous Systems, MobiQuitous-2004
, 2004
"... This paper presents an architecture and a proof of concept implementation of a security infrastructure for mobile devices in an infrastructure based pervasive environment. The security infrastructure primarily consists of two parts, the policy engine and the policy enforcement mechanism. Each mobile ..."
Abstract
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Cited by 14 (2 self)
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mobile device within a pervasive environment is equipped with its own policy enforcement mechanism and is responsible for protecting its resources. A mobile device consults the nearest policy server, notifies its current state including its present user, network presence, other accessible devices
copyright by
, 2009
"... Abstract: Mobile ad hoc networks (MANETs) and wireless sensor networks (WSNs) are two recently-developed technologies that uniquely function without xed infrastructure support, and sense at scales, resolutions, and durations previously not possible. While both offer great potential in many applicati ..."
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applications, developing software for these types of networks is extremely dffcult, preventing their wide-spread use. Three primary challenges are (1) the high level of dynamics within the network in terms of changing wireless links and node hardware con gurations, (2) the wide variety of hardware present
c Copyright by
"... Messaging is a basic service in sensornets. Yet the unique system and application prop-erties of sensornets pose substantial challenges for the messaging design: Firstly, dynamic wireless links, constrained resources, and application diversity challenge the architecture and protocol design of sensor ..."
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Messaging is a basic service in sensornets. Yet the unique system and application prop-erties of sensornets pose substantial challenges for the messaging design: Firstly, dynamic wireless links, constrained resources, and application diversity challenge the architecture and protocol design
Raj Jain! Routing vs Switching
"... 1. Networking trends 2. QoS over data networks 3. Label switching 4. Gigabit, 10 Gb Ethernet, RPR 5. Storage area networks 6. IP over DWDM 7. Wireless 8. Voice over IP ..."
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1. Networking trends 2. QoS over data networks 3. Label switching 4. Gigabit, 10 Gb Ethernet, RPR 5. Storage area networks 6. IP over DWDM 7. Wireless 8. Voice over IP
Guaranteeing Communication Quality in Real World WSN Deployments
"... April 29, 2011Für UnsShe had never before seen a rabbit with either a waistcoat-pocket, or a watch to take out of it, and burning with curiosity, she ran across the field after it Lewis CarrollThe following document, written under the supervision of Dr. reviewed by: ..."
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April 29, 2011Für UnsShe had never before seen a rabbit with either a waistcoat-pocket, or a watch to take out of it, and burning with curiosity, she ran across the field after it Lewis CarrollThe following document, written under the supervision of Dr. reviewed by:
Routing and Broadcasting in Ad-Hoc Networks
"... I would like to thank Prof. Dr. Torsten Braun, head of the Computer Network and Distributed Systems group (RVS), for supervising this work and for his insightful advises. Prof. Dr. Torsten Braun encouraged and motivated me to publish my research results and he provided me the opportunity to present ..."
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I would like to thank Prof. Dr. Torsten Braun, head of the Computer Network and Distributed Systems group (RVS), for supervising this work and for his insightful advises. Prof. Dr. Torsten Braun encouraged and motivated me to publish my research results and he provided me the opportunity to present
© Author(s) 2015. CC Attribution 3.0 License.
, 2015
"... www.hydrol-earth-syst-sci.net/19/3667/2015/ doi:10.5194/hess-19-3667-2015 ..."
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www.hydrol-earth-syst-sci.net/19/3667/2015/ doi:10.5194/hess-19-3667-2015
Results 1 - 10
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