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The RPLS ‘via ’ attributes

The RPLS ‘via ’ attributes. IETF89, London Job.Snijders@hibernianetworks.com. Who am I?. Job Snijders Network Architect @ AS 5580 - Hibernia Networks Founder of NLNOG RING Twitter: @ JobSnijders Hobbies: IP Routing, LISP, MPLS, IPv6 , RPSL Shoe size: 45/EU. Problem statement.

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The RPLS ‘via ’ attributes

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  1. The RPLS ‘via’ attributes IETF89, London Job.Snijders@hibernianetworks.com RPLS-VIA - IETF89 - Job Snijders Hibernia Networks

  2. Who am I? Job Snijders Network Architect @ AS 5580 - Hibernia Networks Founder of NLNOG RING Twitter: @JobSnijders Hobbies: IP Routing, LISP, MPLS, IPv6, RPSL Shoe size: 45/EU RPLS-VIA - IETF89 - Job Snijders Hibernia Networks

  3. Problem statement • Today there is not really a good way to instruct a Route Server to whom they should announce your prefixes. RPLS-VIA - IETF89 - Job Snijders Hibernia Networks

  4. Problem statement refined • You can ONLY describe routing policy related to directly adjacent networks. Here is nothing Import: Export: RPLS-VIA - IETF89 - Job Snijders Hibernia Networks

  5. Current methods • BGP Communities (issue: too small) • RPSL (but no way to describe indirect) • BGP Communities in RPSL • Web interface (out of band, not universal) • Mapping systems (map 32bit AS to 16bit value) RPLS-VIA - IETF89 - Job Snijders Hibernia Networks

  6. Proposal: draft-snijders-rpsl-via aut-num: AS5580 import-via: AS6777 from AS4294967295 action pref = 2; accept AS-SNIJDERS import-via: AS6777 from AS5580:AS-CUSTOMERS accept NOT ANY export-via: AS6777 to AS4294967295 action community.={5580:40}; announce AS-ATRATO export-via: AS5580:AS-ROUTESERVERS to AS5580:AS-CUSTOMERS announce NOT ANY RPLS-VIA - IETF89 - Job Snijders Hibernia Networks

  7. Advantages • Only IRRs and IXP operators need to upgrade • Some IXP operators have already pledged! • No BGP / router upgrades needed • Immediate support for 32 bit ASNs • 95% of people just want any to any (don’t need to update their autnum for that) • Helps with Route Server Path Hiding RPLS-VIA - IETF89 - Job Snijders Hibernia Networks

  8. Current implementation status • OK: RADB / IRRd (since 3.0.7) • OK: RIPE Whois Server (since 1.71) • NOT YET OK: APNIC (runs 1.69.1-APNICv1r0) • (but they sort of committed to merge my code) • Unknown: ARIN, ALTDB (IRRdb fork), JPNIC (IRRd fork), LACNIC, AfriNIC RPLS-VIA - IETF89 - Job Snijders Hibernia Networks

  9. Questions? • Should this be WG document or Individual submission? • Standards track or something else? • There is running code, but is there consensus? RPLS-VIA - IETF89 - Job Snijders Hibernia Networks

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