ipv6 RA’s for learning default gateway for end systems (hosts)

> RA’s (router advertisements, aka, icmpv6 type 134)..
> Is the receipt of RA’s the only dynamic/automatic way for IPv6 clients to
> learn about their default gateway?
> Does DHCPv6 allow for default router option?  What are other ways to get
> default router into a ipv6 cpe ?

Right now, RAs and statically setting the info are the only way to do it.
DHCPv6 does not have a default router option.  Different people will have
different opinions on whether or not this is a fundamental flaw in the
design of DHCPv6.