Hi, I've long thought about implementing APSD but it seems to require setting the "more data" bit in an ACK frame and various other things. Ron, I think you're the QoS expert, is that really how APSD works? If so, does iwl firmware implement that? Also, does Atheros hardware implement that, and how? It doesn't look like Broadcom firmware implements it, and I don't really understand how one could implement it without many hardware queues, since it seems timing critical to send out the frames to the station that is using APSD. Any clues? johannes
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