Switching White Papers
Characterizing Large DNS Traces Using Graphs
Overview The increasing deployment of overlay networks that rely on DNS tricks has led to added interest in examining DNS traffic. This paper reports on a characterization of DNS traffic gathered over a period of several weeks at Internet Gateway Routers (IGRs) in the AT&T Common Backbone. The characterization is carried out using several novel techniques to identify clients, local DNS servers, and authoritative DNS servers. Their techniques include passive and active measurements, graph-based analysis, examination of outliers, and explicit checks against data obtained from several external sources. Their contribution is the reduction of a very large data set (over 1 terabyte of raw data) into a significantly smaller representation that is ideally suited for answering protocol-specific semantic queries quickly.
| Publisher | AT&T Intellectual Property | File Format | |
|---|---|---|---|
| Date Published | January 2001 | ||
| Format | White Papers | ||
| Topics | |||
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