New conference paper “Selecting Representative IP Addresses for Internet Topology Studies” to appear at IMC

The paper “Selecting Representative IP Addresses for Internet Topology Studies” (available at http://www.isi.edu/~xunfan/research/Fan10a.pdf) was accepted to appear at the ACM Internet Measurement Conference 2010 in Melbourne, Australia.

From the abstract:

An Internet hitlist is a set of addresses that cover and can represent the the Internet as a whole. Hitlists have long been used in studies of Internet topology, reachability, and performance, serving as the destinations of traceroute or performance probes. Most early topology studies used manually generated lists of prominent addresses, but evolution and growth of the Internet make human maintenance untenable. Random selection scales to today’s address space, but most andom addresses fail to respond. In this paper we present what we believe is the first automatic generation of hitlists informed censuses of Internet addresses. We formalize the desirable characteristics of a hitlist: reachability, each representative responds to pings; completeness, they cover all the allocated IPv4 address space; and stability, list evolution is minimized when possible. We quantify the accuracy of our automatic hitlists, showing that only one-third of the Internet allows informed selection of representatives. Of informed representatives, 50–60% are likely to respond three months later, and we show that causes for non-responses are likely due to dynamic addressing (so no stable representative exists) or firewalls. In spite of these limitations, we show that the use of informed hitlists can add 1.7 million edge links (a 5% growth) to traceroute-based Internet topology studies. Our hitlists are available free-of-charge and are in use by several other research projects.

Citation: Xun Fan and John Heidemann. Selecting Representative IP Addresses for Internet Topology Studies. To appear in Proceedings of the ACM Internet Measurement Conference (IMC). Melbourne, Australia, ACM. November, 2010. http://www.isi.edu/~johnh/PAPERS/Fan10a.html

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