> I have gone through a lot of literacture regarding IPv6, but the issue
>regarding compatibility addresses and there usage is still unclear.
>There are three types of these "compatibility addresses" for
>coexistance of IPv4 with v6 (or so i am told).
>1) IPv4 compatable address i.e. ::a.b.c.d where a.b.c.d is the v4
>address.
you can forget about this one.
>2) IPv4 mapped address i.e. ::FFFF:a.b.c.d.
this is for the use on AF_INET6 socket API, as pressented in RFC2553.
you will not see it on wire.
itojun
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