On Wed, 7 Oct 2015, Mikael Abrahamsson wrote:
Oh, I hope that this is an exception. Such kind of optimizations may cause
a lot of trouble since a link layer device is interfering with transport
layer semantics. We all know that exactly these kinds of interference
eventually end up in problems with end-to-end transparency and deployment
of new protocol options. At least it interferes with the ACK clocking
expectation of some congestion control algorithms...
Personally, I think you're going to see more and more of this. There are
mulitple shared access medium where you're allowed to send only part of the
time, and it's someone else who tells you when you may send.
it doesn't even require that someone else tells you when you may send. It can
just be waiting for an available transmit timeslot (Wifi for example)
collapsing multiple ACKs that are going to be sent at once is almost always
going to be a win.
David Lang
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