[Sidrops] Question about mutual transit and complex BGP peering
"Sriram, Kotikalapudi (Fed)" <kotikalapudi.sriram@nist.gov> Sun, 21 April 2024 15:53 UTC
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From: "Sriram, Kotikalapudi (Fed)" <kotikalapudi.sriram@nist.gov>
To: "grow@ietf.org" <grow@ietf.org>, "sidrops@ietf.org" <sidrops@ietf.org>
Thread-Topic: Question about mutual transit and complex BGP peering
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Date: Sun, 21 Apr 2024 15:53:22 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/sidrops/UVeCXGe4W5CeyHvVGjXrGDVMuOQ>
Subject: [Sidrops] Question about mutual transit and complex BGP peering
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Hi all, Q1: Consider an AS peering relationship that is complex (or hybrid) meaning, for example, provider-to-customer (P2C) for one set of prefixes and lateral peers (i.e., transit-free peer-to-peer (P2P)) for another set of prefixes. Are these diverse relationships usually segregated, i.e., P2C on one BGP session and P2P on another? How often they might co-exist within one single BGP session? Q2: Consider an AS peering relationship that is mutual transit (i.e., P2C relationship in each direction for all prefixes). Is this supported within one single BGP session? How often the ASes might setup two separate BGP sessions between them -- one for P2C in one direction (AS A to AS B) and the other for P2C in the opposite direction (AS B to AS A)? Thank you. Sriram
- [Sidrops] Question about mutual transit and compl… Sriram, Kotikalapudi (Fed)
- Re: [Sidrops] [GROW] Question about mutual transi… Nick Hilliard
- Re: [Sidrops] [GROW] Question about mutual transi… Sriram, Kotikalapudi (Fed)