M. Ángeles Serrano

On Cycles in AS Relationships

By: 
Xenofontas Dimitropoulos, M. Ángeles Serrano, and Dmitri Krioukov
Appears in: 
CCR July 2008

Several users of our AS relationship inference data asked us why it contained AS relationship cycles, e.g., cases where AS A is a provider of AS B, B is a provider of C, and C is a provider of A, or other cycle types. Having been answering these questions in private communications, we have eventually decided to write down our answers here for future reference.

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