Mesh networking: olsrd? b.a.t.m.a.n.? OpenWRT?

[Joshua Judson Rosen]

I'm trying (somewhat desperately) to get into mesh networking....

I've got a bunch of little routers running OpenWrt 14.07 (Barrier Breaker),
with which I'm reasonably familiar; but I'm looking to get a mesh network
set up using them, and I'm really not at all familiar with _that_.

It looks like the options for mesh networking involve either
olsrd or batman-adv/batmand,  and it looks like there are packages for
all of those things in OpenWrt.

Do any of you have any experience with this? Any basic guidance,
like... which protocol/suite I should prefer and why?
Pointers to good HOWTOs?

-- 
"Don't be afraid to ask (λf.((λx.xx) (λr.f(rr))))."