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On the Use of Anycast in DNS Sandeep Sarat
 

Summary: On the Use of Anycast in DNS
Sandeep Sarat
sarat@cs.jhu.edu
Johns Hopkins University
Vasileios Pappas
vpappas@cs.ucla.edu
UCLA
Andreas Terzis
terzis@cs.jhu.edu
Johns Hopkins University
Abstract
This paper attempts to fill a gap in our understanding
of the Internet infrastructure: while anycast is deployed
in many DNS zones, no studies exist that measure the
performance impact of anycast in DNS. In this paper,
we present results from our study of four top-level DNS
zones, to evaluate the performance implications of differ-
ent anycast configurations. Increased availability is one
of the supposed advantages of anycast and we found that
indeed the number of outages observed was small, sug-

  

Source: Amir, Yair - Department of Computer Science, Johns Hopkins University

 

Collections: Computer Technologies and Information Sciences