BGP and the Rule of Custom Caleb James DeLisle @cjd@mastodon.social - PowerPoint PPT Presentation

Dec 22, 2023 •346 likes •504 views

BGP and the Rule of Custom Caleb James DeLisle @cjd@mastodon.social @cjd:matrix.org cjd@cjdns.fr What is BGP Mesh protocol Used by all internet routers when communicating across organizational boundaries, the lingua franca of the

BGP and the Rule of Custom Caleb James DeLisle @cjd@mastodon.social @cjd:matrix.org cjd@cjdns.fr
What is BGP ● Mesh protocol ● Used by all internet routers when communicating across organizational boundaries, the lingua franca of the internet ● Uses centrally issued AS Numbers to identify organizations and IP addresses to identify endpoints ● Interconnections between organizations are public knowledge
Tier1 Tier1 Tier1 Tier2 Tier2 Tier2 Tier2 Tier2 Tier2 Tier2 Customer Customer Customer Customer
Internet Organizations ● Customer (me) ● Relatively anonymous ● At the mercy of my provider ● Can usually choose my provider ● Provider (Hosting company, ISP, VPN) ● Not anonymous ● Needs to keep customers happy ● Must not upset their upstream provider (Network Operator) ● Network Operator (Tier 1, Tier 2) ● Not anonymous at all ● Needs to keep customers happy ● Must not upset other Network Operators ● Internet Civil Society (Team Cymru, Spamhaus) ● Members may be anonymous ● Power derived from reputation ● Relies on transparency of Providers and Network Operators
Lessons for Protocolsmiths 3 sources of Rules/Customs ● Hardcoded ● Very fair but cold and inflexible ● Central Authorities ● More than fair: equitable ● Often bureaucratic and inflexible ● Prone to power politics ● Networks ● The most humane source of rules ● Very unfair ● Prone to abuse With power should come transparency
Thank you Caleb James DeLisle @cjd@mastodon.social @cjd:matrix.org cjd@cjdns.fr

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