sorry to pick this up so late. source routing is still requested and sometimes mandated at inter-as borders. for the reasons deepak stated. note that this does not expose any vulnerability. source routing is only dangerous to hosts.
> Yes, sorry. The question should have been: Has IPv6 Type 0 Routing > Header ever been a requirement in v6 peering agreements? not of which i am aware. imiho, from ops pov extension headers are unneeded kink. randy
