Internet outages are inevitable, frequent, opaque, and expensive. To make things worse,
they are poorly understood, while a deep understanding of them is essential for …

Capturing an accurate view of the Internet topology is of great interest to the networking
research community as it has many uses ranging from the design and evaluation of new …

In the first months of 2011, Internet communications were disrupted in several North African
countries in response to civilian protests and threats of civil war. In this paper we analyze …

Border gateway protocol (BGP) prefix hijacking is a critical threat to Internet organizations
and users. Despite the availability of several defense approaches (ranging from RPKI to …

We present BGPStream, an open-source software framework for the analysis of both
historical and real-time Border Gateway Protocol (BGP) measurement data. Although BGP is …

Formally, the Internet inter-domain routing system is a collection of networks, their policies,
peering relationships and organizational affiliations, and the addresses they advertize. It …

Natural and human factors cause Internet outages---from big events like Hurricane Sandy in
2012 and the Egyptian Internet shutdown in Jan. 2011 to small outages every day that go …

Fast IPv4 scanning has enabled researchers to answer a wealth of security and networking
questions. Yet, despite widespread use, there has been little validation of the methodology's …

The Internet was designed to always find a route if there is a policy-compliant path.
However, in many cases, connectivity is disrupted despite the existence of an underlying …

Models of Internet routing are critical for studies of Internet security, reliability and evolution,
which often rely on simulations of the Internet's routing system. Accurate models are difficult …