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Summary: SmartRE: An Architecture for Coordinated
Network-wide Redundancy Elimination
Ashok Anand
, Vyas Sekar
and Aditya Akella
University of Wisconsin-Madison,
Carnegie Mellon University
{ashok,akella}@cs.wisc.edu, vyass@cs.cmu.edu
ABSTRACT
Application-independent Redundancy Elimination (RE), or identi-
fying and removing repeated content from network transfers, has
been used with great success for improving network performance
on enterprise access links. Recently, there is growing interest for
supporting RE as a network-wide service. Such a network-wide
RE service benefits ISPs by reducing link loads and increasing the
effective network capacity to better accommodate the increasing
number of bandwidth-intensive applications. Further, a network-
wide RE service democratizes the benefits of RE to all end-to-end
traffic and improves application performance by increasing through-
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