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MAnycast2 - Using Anycast to Measure Anycast
R. Sommese, L. Bertholdo, G. Akiwate, M. Jonker, R. van Rijswijk-Deij, A. Dainotti, k. claffy, and A. Sperotto, "MAnycast2 - Using Anycast to Measure Anycast", in ACM Internet Measurement Conference (IMC), Oct 2020.
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MAnycast2 - Using Anycast to Measure Anycast

Raffaele Sommese3
Leandro Bertholdo3
Gautam Akiwate2
Mattijs Jonker3
Roland van Rijswijk-Deij3
Alberto Dainotti1
kc claffy1
Anna Sperotto3
1

CAIDA, San Diego Supercomputer Center, University of California San Diego

2

University of California, San Diego (UCSD)

3

University of Twente

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.

Keywords: dns, measurement methodology, routing, topology
  Last Modified: Tue Nov-17-2020 04:47:43 UTC
  Page URL: https://www.caida.org/publications/papers/2020/manycast2/index.xml