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How will the user know which file to look in if it's all free form text defined by other users? External documentation, "git grep", external tool etc?

Future services

How will this affect future services? Today vxlans is the only service, but when adding more services maybe service-chaining or dependencies will make more sense?

List of future services:

• BGP internet peering: Define neighboring AS and IXes, get nexthop, AS-path filter, prefix limits etc from peeringDB
• L3VPN: How to define PE-CPE routing? Next-hop etc will be different per device