> I think the text does not make it clear if the fragment ID space is per
> direction and AC/WTP pair. I am also worried about the size of this
> field. It seems that if a large quantity of the packets needs
> fragmentation then this field will wrap within a segments lifetime
> resulting in the same type of missassociation issues that has been
> identified with the IP-ID field and fragmentation.
> 
> A simple example shows that if one sends predominately packets that just
> gets fragmented and assume a IP uplink MTU of 1500 then wirless payloads
> of 1450 bytes will be fragmented. If the source sends only this size
> packets not uncommon for long lived TCP transfers then this field will
> wrap every second at data rates below 1 Gbit. At 100 mbit you will wrap
> in around 8 seconds.