Making BGP filtering a habit: Impact on policies - PowerPoint PPT Presentation

Apr 19, 2023 •139 likes •257 views

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

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 Policy violation, threats, etc. • Introducing Undesired Flows – Traffic between BGP peers for which the operator does not want to server as transit. 2
Undesired Flows Transit Provider Peer 1 AS1 Peer 2 Customers 3
Undesired Flows Transit Provider P4/p4 P4/p4 P4/p4 Peer 1 AS1 Peer 2 P4/p4 Customers 4
Undesired Flows Transit Provider P3/p3 P1/p1 P2/p2 Peer 1 AS1 Peer 2 P1/p1 P2/p2 P3/p3 Customers 5
Undesired Flows Transit Provider Peer 1 AS1 Peer 2 Customers 6
Local filtering AS2 CDN AS1 AS0 1.1.0.0/16 Peering 1.1.0.0/17 Transit 7
Local filtering AS2 CDN AS1 AS0 1.1.0.0/16 Peering 1.1.0.0/17 Transit 8
Local filtering AS2 CDN AS1 Undesired Traffic flow In AS1 AS0 1.1.0.0/16 Peering 1.1.0.0/17 Transit 9
Next steps • Consider feedback • WG DOC? 10

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