Broad and load-aware anycast mapping with Verfploeter

Wouter B. De Vries, Ricardo de Oliveira Schmidt, Wes Hardaker, John Heidemann, Pieter-Tjerk de Boer, Aiko Pras

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    5 Citations (Scopus)

    Abstract

    IP anycast provides DNS operators and CDNs with automatic failover and reduced latency by breaking the Internet into catchments, each served by a different anycast site. Unfortunately understanding and predicting changes to catchments as anycast sites are added or removed has been challenging. Current tools such as RIPE Atlas or commercial equivalents map from thousands of vantage points (VPs), but their coverage can be inconsistent around the globe. This paper proposes Verfploeter, a new method that maps anycast catchments using active probing. Verfploeter provides around 3.8M passive VPs, 430× the 9k physical VPs in RIPE Atlas, providing coverage of the vast majority of networks around the globe. We then add load information from prior service logs to provide calibrated predictions of anycast changes. Verfploeter has been used to evaluate the new anycast deployment for B-Root, and we also report its use of a nine-site anycast testbed. We show that the greater coverage made possible by Verfploeter's active probing is necessary to see routing differences in regions that have sparse coverage from RIPE Atlas, like South America and China.

    Original languageEnglish
    Title of host publicationIMC '17
    Subtitle of host publicationProceedings of the 2017 Internet Measurement Conference
    PublisherAssociation for Computing Machinery (ACM)
    Pages477-488
    Number of pages12
    ISBN (Electronic)978-1-4503-5118-8
    DOIs
    Publication statusPublished - 1 Nov 2017
    Event2017 ACM Internet Measurement Conference, IMC 2017 - London, United Kingdom
    Duration: 1 Nov 20173 Nov 2017
    https://conferences.sigcomm.org/imc/2017/

    Conference

    Conference2017 ACM Internet Measurement Conference, IMC 2017
    Abbreviated titleIMC
    CountryUnited Kingdom
    CityLondon
    Period1/11/173/11/17
    Internet address

    Keywords

    • Catchments
    • DNS
    • Internet mapping
    • IP anycast
    • Service provisioning

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  • Cite this

    De Vries, W. B., de Oliveira Schmidt, R., Hardaker, W., Heidemann, J., de Boer, P-T., & Pras, A. (2017). Broad and load-aware anycast mapping with Verfploeter. In IMC '17: Proceedings of the 2017 Internet Measurement Conference (pp. 477-488). Association for Computing Machinery (ACM). https://doi.org/10.1145/3131365.3131371