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20 - STUDENT - Exposure of the German Research Internet Infrastructure

Matthias Waehlisch (Freie Universitaet Berlin)

The Internet was originally shaped to offer transmission services to those who were willing to interconnect. Its scalable architecture aimed at supporting a global information infrastructure without contributions at a national level, nor governmental support. Meanwhile the Internet has matured to a mission-critical infrastructure for enabling key operations of public administration and business affairs, of research, education, and entertainment within individual countries.
In this work, we first identify, characterize and visualize the fraction of the Internet that serves
as the nation-centric communication system for the research, science, and culture sector of Germany. Starting from the RIPE database and harvesting several additional databases, route monitors and Internet measurement projects, we extract the minimal routing graph that interconnects all members, as well as a subset of relevant players within the German Internet that belongs to the research, science, and culture sector. This characterization has been obtained fully automatic by a chain of retrieval and refinement tools. In addition to the creation of the inter-AS links in this sector, we built a routing graph that interconnects all members of this sector to other sectors that are relevant for Germany. It thus can be exploited to (a) optimize peering relations, (b) identify weak transits, and (c) build an
online monitoring system for performing fault and performance management of the routing system.

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