MAnycast2 - Using Anycast to Measure Anycast: Challenges and Opportunities

Raffaele Sommese, Leandro Marcio Bertholdo, Gautam Akiwate, Mattijs Jonker, Roland Martijn van Rijswijk - Deij, Alberto Dainotti, Kimberley Claffy, Anna Sperotto

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Abstract

Anycast addressing - assigning the same IP address to multiple, distributed devices - has become a fundamental approach to improving the resilience and performance of Internet services, but its conventional deployment model makes it impossible to infer from the address itself that it is anycast. Existing methods to detect anycast IPv4 prefixes present accuracy challenges stemming from routing and latency dynamics, and efficiency and scalability challenges related to measurement load. We review these challenges and introduce a new technique we call "MAnycast2" that can help overcome them. Our technique uses a distributed measurement platform of anycast vantage points as sources to probe potential anycast destinations. This approach eliminates any sensitivity to latency dynamics, and greatly improves efficiency and scalability. We discuss alternatives to overcome remaining challenges relating to routing dynamics, suggesting a path toward establishing the capability to complete, in under 3 hours, a full census of which IPv4 prefixes in the ISI hitlist are anycast.
Original languageEnglish
Title of host publicationIMC '20
Subtitle of host publicationProceedings of the 20th ACM Internet Measurement Conference
PublisherACM Publishing
Pages456-463
ISBN (Print)978-1-4503-8138-3
DOIs
Publication statusPublished - Oct 2020
EventACM Internet Measurement Conference, IMC 2020 - Online
Duration: 27 Oct 202029 Oct 2020

Conference

ConferenceACM Internet Measurement Conference, IMC 2020
Abbreviated titleIMC
Period27/10/2029/10/20

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