Filter paths with identical sequence of interfaces. These duplicates
occur because sciond may return the same "effective" path with different
short-cut "upstream" parts. We don't need these duplicates, the paths are
identical for our purposes; we simply pick the one with latest expiry.
See also discussion in scionproto/scion#2445 (currently not merged).
Filter paths with identical sequence of interfaces. These duplicates occur because sciond may return the same "effective" path with different short-cut "upstream" parts. We don't need these duplicates, the paths are identical for our purposes; we simply pick the one with latest expiry.
See also discussion in scionproto/scion#2445 (currently not merged).
This change is