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» Operating System Support for Distributed Multimedia
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HPCA
1996
IEEE
15 years 5 months ago
Protected, User-Level DMA for the SHRIMP Network Interface
Traditional DMA requires the operating system to perform many tasks to initiate a transfer, with overhead on the order of hundreds or thousands of CPU instructions. This paper des...
Matthias A. Blumrich, Cezary Dubnicki, Edward W. F...
USENIX
2007
15 years 3 months ago
A Comparison of Structured and Unstructured P2P Approaches to Heterogeneous Random Peer Selection
Random peer selection is used by numerous P2P applications; examples include application-level multicast, unstructured file sharing, and network location mapping. In most of thes...
Vivek Vishnumurthy, Paul Francis
FAST
2007
15 years 2 months ago
Nache: Design and Implementation of a Caching Proxy for NFSv4
In this paper, we present Nache, a caching proxy for NFSv4 that enables a consistent cache of a remote NFS server to be maintained and shared across multiple local NFS clients. Na...
Ajay Gulati, Manoj Naik, Renu Tewari
CCGRID
2003
IEEE
15 years 6 months ago
Noncontiguous I/O Accesses Through MPI-IO
I/O performance remains a weakness of parallel computing systems today. While this weakness is partly attributed to rapid advances in other system components, I/O interfaces avail...
Avery Ching, Alok N. Choudhary, Kenin Coloma, Wei-...
MMSEC
2006
ACM
231views Multimedia» more  MMSEC 2006»
15 years 7 months ago
JPEG2000-based secure image authentication
We present an efficient JPEG2000-based image authentication scheme, which is robust to JPEG compression and other allowed signal processing operations. Positive wavelet-based wate...
Mathias Schlauweg, Dima Pröfrock, Erika M&uum...