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SIGCOMM
2010
ACM
13 years 8 months ago
Detecting the performance impact of upgrades in large operational networks
Networks continue to change to support new applications, improve reliability and performance and reduce the operational cost. The changes are made to the network in the form of up...
Ajay Anil Mahimkar, Han Hee Song, Zihui Ge, Aman S...
SIGCOMM
2010
ACM
13 years 8 months ago
NapSAC: design and implementation of a power-proportional web cluster
Energy consumption is a major and costly problem in data centers. A large fraction of this energy goes to powering idle machines that are not doing any useful work. We identify tw...
Andrew Krioukov, Prashanth Mohan, Sara Alspaugh, L...
CMS
2010
149views Communications» more  CMS 2010»
13 years 8 months ago
Peer-to-Peer VoIP Communications Using Anonymisation Overlay Networks
Abstract. Nowadays, Voice over Internet Protocol (VoIP) which enables voice conversation remotely over packet switched networks gains much attentions for its low costs and flexible...
Ge Zhang, Simone Fischer-Hübner
ESORICS
2010
Springer
13 years 8 months ago
D(e|i)aling with VoIP: Robust Prevention of DIAL Attacks
We carry out attacks using Internet services that aim to keep telephone devices busy, hindering legitimate callers from gaining access. We use the term DIAL (Digitally Initiated A...
Alexandros Kapravelos, Iasonas Polakis, Elias Atha...
GLOBECOM
2008
IEEE
13 years 7 months ago
Improving BitTorrent Traffic Performance by Exploiting Geographic Locality
Abstract--Current implementations of BitTorrent-like P2P applications ignore the underlying Internet topology hence incur a large amount of traffic both inside an Internet Service ...
Chen Tian, Xue Liu, Hongbo Jiang, Wenyu Liu, Yi Wa...