Esc
Type to search posts, tags, and more...
 Skip to content

Wiki

Technical knowledge base on AI and Networking.

routing

  • BGP-4 overview Border Gateway Protocol version 4 — the inter-AS routing protocol that holds the Internet together.
    • BGP message types The four BGP-4 message types — OPEN, UPDATE, KEEPALIVE, and NOTIFICATION — their wire formats and semantics.
    • BGP path attributes The path attributes carried in BGP UPDATE messages — classification, encoding, and per-attribute semantics.
    • BGP finite state machine The six-state FSM that governs BGP session lifecycle — from Idle through Established, with events and transitions.
    • BGP Decision Process The three-phase BGP path selection algorithm — preference calculation, route selection with tie-breaking, and route dissemination.
    • BGP error handling BGP error detection and response — NOTIFICATION codes and subcodes, revised error handling (treat-as-withdraw), and connection collision resolution.