IM-DB: Information Retrieval System for Interactive Network-Status Analysis

概要

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Network operators must understand the status of a network from various viewpoints to manage the changing conditions of the Internet and diagnose the cause of anomalies within it. For this purpose, analyzing information obtained from different sources, including network devices such as routers and network monitoring tools, is required. Of that information, route information exchanged by Border Gateway Protocol (BGP) is essential for analyzing and diagnosing the Internet at an inter-autonomous-system level. However, the information is not easily deployed for actual network management because of its enormous amount and the difficulties in manipulating it in an original format. To overcome these problems and support network analysis essential for actual network management, we propose IM-DB, a network information retrieval system for interactive analysis of the Internet. Our IM-DB is based on a relational database and can store large amounts of network information including BGP information. By providing several functions for manipulating stored network information, the IM-DB enables network operators to easily search, integrate, and explore information they require. We developed the first version of our IM-DB for storing BGP routing information and other application-level network information. The experimental results using this prototype demonstrate the feasibility of our IM-DB.