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Route Leaks

Route Leaks. Sandra Murphy. Is This a Route Leak?. To be able to detect a route leak: Given Update with AS_PATH AS1…ASn Is this a route leak?. Is This a Route Leak. ISP1. ISP2. ISP1. ISP2. Sprint. AS 1. draft-foo-sidr-simple-leak-attack-bgpsec-no-help. ISP2. ISP1. AS 1. Cust.

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Route Leaks

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  1. Route Leaks Sandra Murphy

  2. Is This a Route Leak? • To be able to detect a route leak: • Given Update with AS_PATH AS1…ASn • Is this a route leak?

  3. Is This a Route Leak ISP1 ISP2 ISP1 ISP2 Sprint AS 1 draft-foo-sidr-simple-leak-attack-bgpsec-no-help ISP2 ISP1 AS 1 Cust

  4. Is This a Route Leak D A B C1 C3 C2 C6 C4 C5

  5. Is This a Route Leak D A B C1 C3 C2 C6 C4 C5

  6. Is This a Route Leak D A B C1 C3 C2 C6 C4 C5

  7. Is This a Route Leak D A B C1 C3 C2 C6 C4 C5

  8. Is This a Route Leak D A B C1 C3 C2 C6 C4 C5

  9. Is This a Route Leak D A B C1 C3 C2 C6 C4 C5

  10. Is This a Route Leak D A B C1 C3 C2 C6 C4 C5

  11. Questions • Is there a precise definition of route leaks • How do we detect route leak • How do we respond to detected route leak • Mandated behavior • Local policy based • Is additional info needed to detect leak • Who provides info • What is trust model for info • How is info carried

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