127views Communications» more  P2P 2010»
12 years 7 months ago
Waiting for Anonymity: Understanding Delays in the Tor Overlay
Although Tor is the most widely used overlay for providing anonymity services, its users often experience very high delays. Because much of Tor usage is for Web applications, which...
Prithula Dhungel, Moritz Steiner, Ivinko Rimac, Vo...
12 years 8 months ago
Two Samples are Enough: Opportunistic Flow-level Latency Estimation using NetFlow
—The inherent support in routers (SNMP counters or NetFlow) is not sufficient to diagnose performance problems in IP networks, especially for flow-specific problems where the ...
Myungjin Lee, Nick G. Duffield, Ramana Rao Kompell...
111views more  CN 2004»
12 years 9 months ago
Edge-to-edge measurement-based distributed network monitoring
Continuous monitoring of a network domain poses several challenges. First, routers of a network domain need to be polled periodically to collect statistics about delay, loss, and ...
Ahsan Habib, Maleq Khan, Bharat K. Bhargava
133views more  TPDS 2008»
12 years 9 months ago
A More Practical Approach for Single-Packet IP Traceback using Packet Logging and Marking
Tracing IP packets back to their origins is an important step in defending the Internet against denial-of-service (DoS) attacks. Two kinds of IP traceback techniques have been prop...
Chao Gong, Kamil Saraç
124views more  TON 2008»
12 years 9 months ago
Designing packet buffers for router linecards
-- Internet routers and Ethernet switches contain packet buffers to hold packets during times of congestion. Packet buffers are at the heart of every packet switch and router, whic...
Sundar Iyer, Ramana Rao Kompella, Nick McKeown
103views more  CCR 2005»
12 years 9 months ago
Part III: routers with very small buffers
Internet routers require buffers to hold packets during times of congestion. The buffers need to be fast, and so ideally they should be small enough to use fast memory technologie...
Mihaela Enachescu, Yashar Ganjali, Ashish Goel, Ni...
94views more  NETWORK 2008»
12 years 9 months ago
Detecting compromised routers via packet forwarding behavior
While it is widely understood that criminal miscreants are subverting large numbers of Internet-connected computers (e.g., for bots, spyware, SPAM forwarding), it is less well app...
Alper Tugay Mizrak, Stefan Savage, Keith Marzullo
96views more  CN 2007»
12 years 9 months ago
Persistent detection and recovery of state inconsistencies
Soft-state is a well established approach to designing robust network protocols and applications. However it is unclear how to apply soft-state approach to protocols that must mai...
Lan Wang, Daniel Massey, Lixia Zhang
137views more  CN 2007»
12 years 9 months ago
AID: A global anti-DoS service
Distributed denial of service (DDoS) has long been an open security problem of the Internet. Most proposed solutions require the upgrade of routers across the Internet, which is e...
Shigang Chen, Yibei Ling, Randy Chow, Ye Xia
98views more  CCR 2006»
12 years 9 months ago
Update on buffer sizing in internet routers
In the past two years, several papers have proposed rules that suggest two to five orders of magnitude reduction in Internet core router buffers. Others present scenarios where bu...
Yashar Ganjali, Nick McKeown