This week marks the 10th anniversary of Unwritten Histories, a project created by Andrea Eidinger that has shaped how many of us think about the past—how it’s written, shared, and understood.
Route Target Constraint (RT-Constraint) is a BGP address family (AFI 1, SAFI 132) defined in RFC 4684 that enables BGP speakers to signal which Route Targets (RTs) they are interested in receiving.