--- author: canory date: 2024-10-31T17:20:04Z tags: [feeds] feed: description: "Recently published RFCs" domain: "www.rfc-editor.org" enclosure: "" favicon: "/data/media/favicon.httpswwwrfc-editororgrfcrssxml.png" home: "" link: "https://www.rfc-editor.org/info/rfc9666" name: "Recent RFCs" source: "https://www.rfc-editor.org/rfcrss.xml" --- Link-state routing protocols have hierarchical abstraction already built into them. However, when lower levels are used for transit,