The following constraints can be defined:
o Inclusion and/or exclusion of TE affinity.
o Inclusion and/or exclusion of IP address.
o Inclusion and/or exclusion of SRLG.
o Inclusion and/or exclusion of admin-tag.
o Maximum accumulated metric (IGP, TE and latency).
o Maximum number of SIDs in the solution Segment-list.
o Maximum number of weighted Segment-lists in the solution set.
o Diversity to another service instance (e.g., link, node, or SRLG
disjoint paths originating from different head-ends)
В драфте ваще непонятно где мы берем летенси и передаем ли мы в tlv/lsa