Pekka Savola;
As has been discussed extensively enough in this and
IPv6 ML, multicast and unicast packets of 802.11 are
not acknowledged. They can not be.
Though first half of non-STA multicast, which is unicast, is
acknowledged, it merely means unicast is acknowledged.
Masataka Ohta
> On Tue, 12 Oct 2004, Iljitsch van Beijnum wrote:
>
>>I've searched through "802.11 Wireless Networks: The Definitive Guide"
>>and although it doesn't say so specifically, it's pretty clear that
>>broadcasts and multicasts are treated the same in 802.11. This means no
>>acknowledgments and no fragmentation. Which in turn means that
>>broad/multicast packets are delivered less reliably than unicast
>>packets. (So this goes for IPv4 ARP too.)
>
>
> Good. Maybe Masataka can given an exact reference to the spec (and
> section or page) which says that multicast packets are acknowledged at
> the link layer.
>
.
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