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Summary: Redundancy in Network Traffic: Findings and Implications
Ashok Anand1
, Chitra Muthukrishnan
, Aditya Akella
and Ramachandran Ramjee
University of Wisconsin-Madison,
Microsoft Research India
{ashok,chitra,akella}@cs.wisc.edu, ramjee@microsoft.com
ABSTRACT
A large amount of popular content is transferred repeatedly across
network links in the Internet. In recent years, protocol-independent
redundancy elimination, which can remove duplicate strings from
within arbitrary network flows, has emerged as a powerful tech-
nique to improve the efficiency of network links in the face of
repeated data. Many vendors offer such redundancy elimination
middleboxes to improve the effective bandwidth of enterprise, data
center and ISP links alike.
In this paper, we conduct a large scale trace-driven study of pro-
tocol independent redundancy elimination mechanisms, driven by
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