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Rtanaly: A System to Detect and Measure IGP Routing Changes

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Operations and Management in IP-Based Networks (IPOM 2005)

Part of the book series: Lecture Notes in Computer Science ((LNCCN,volume 3751))

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Abstract

Routing changes of the interior gateway protocol (IGP), especially unexpected ones, can significantly affect the connectivity of a network. Although such changes can occur quite frequently in a network, most operators have hardly noticed them because of a lack of effective tools. In this paper, we introduce Rtanaly, a system to (i) detect IGP routing changes in real-time and instantly alert operators of the detected changes, (ii) quantify routing changes over the long term to provide operators with a general view on the routing stability of a network, (iii) estimate the impact of routing changes, and (iv) help operators troubleshoot in response to unexpected changes. Rtanaly has the following features: (i) it supports all three widely deployed IGPs – OSPFv2, OSPFv3, and IS-IS, (ii) it uses a completely passive approach, (iii) it visually displays the measurement results, and (iv) it is accessible through the web. We present the results of measurements that we have performed with Rtanaly as well as some observed pathological behavior to show its effectiveness. We have released the first version of Rtanaly as free software and its distribution is based on a BSD-style license.

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Author information

Authors and Affiliations

  1. National Institute of Information and Communications Technology, Japan

    Shu Zhang & Katsushi Kobayashi

Authors
  1. Shu Zhang
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  2. Katsushi Kobayashi
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Editor information

Editors and Affiliations

  1. FOKUS Fraunhofer-Institute for Open Communication Systems, Kaiserin-Augusta-Allee 31, 10589, Berlin, Germany

    Thomas Magedanz

  2. State University of Campinas, Brazil

    Edmundo R. M. Madeira

  3. Cisco Systems, Inc., 10 West Tasman Drive, Bldg O/2, 95134, San Jose, CA, USA

    Petre Dini

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© 2005 Springer-Verlag Berlin Heidelberg

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Zhang, S., Kobayashi, K. (2005). Rtanaly: A System to Detect and Measure IGP Routing Changes. In: Magedanz, T., Madeira, E.R.M., Dini, P. (eds) Operations and Management in IP-Based Networks. IPOM 2005. Lecture Notes in Computer Science, vol 3751. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11567486_17

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  • DOI: https://doi.org/10.1007/11567486_17

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-29356-9

  • Online ISBN: 978-3-540-32096-8

  • eBook Packages: Computer ScienceComputer Science (R0)

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