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Making BGP filtering a habit: Impact on policies JuanCamilo.Cardona@imdea.org Pierre.Francois@imdea.org IMDEA Networks draft-cardona- filtering -threats-02 1 Diffs from last version Editorial changes Removed all terms referring to


  1. Making BGP filtering a habit: Impact on policies JuanCamilo.Cardona@imdea.org Pierre.Francois@imdea.org IMDEA Networks draft-cardona- filtering -threats-02 1

  2. Diffs from last version • Editorial changes • Removed all terms referring to Policy violation, threats, etc. • Introducing Undesired Flows – Traffic between BGP peers for which the operator does not want to server as transit. 2

  3. Undesired Flows Transit Provider Peer 1 AS1 Peer 2 Customers 3

  4. Undesired Flows Transit Provider P4/p4 P4/p4 P4/p4 Peer 1 AS1 Peer 2 P4/p4 Customers 4

  5. Undesired Flows Transit Provider P3/p3 P1/p1 P2/p2 Peer 1 AS1 Peer 2 P1/p1 P2/p2 P3/p3 Customers 5

  6. Undesired Flows Transit Provider Peer 1 AS1 Peer 2 Customers 6

  7. Local filtering AS2 CDN AS1 AS0 1.1.0.0/16 Peering 1.1.0.0/17 Transit 7

  8. Local filtering AS2 CDN AS1 AS0 1.1.0.0/16 Peering 1.1.0.0/17 Transit 8

  9. Local filtering AS2 CDN AS1 Undesired Traffic flow In AS1 AS0 1.1.0.0/16 Peering 1.1.0.0/17 Transit 9

  10. Next steps • Consider feedback • WG DOC? 10

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