i'm sending data using tcpserver & tcpclient over wifi with a router in a local network.

testing with different combinations of 3 systems:
laptop W10 Vanilla 0.47-1, Pi-3 Raspbian Jessie Vanilla 0.47-1, MacBook OSX 10.5.8 Pdext 43.4.

transfer of the same data takes (with some variations):
W10     -> Pi  150 secs
Mac     -> Pi  170
Mac     -> W10 200
pi      -> W10 210
Pi      -> Mac  23
W10     -> Mac  23

W10 with Pd-ext -> Pi 150

to me it looks like the tcpserver is the culprit.

using [netsend] & [netreceive] gives

Pi -> W10 17 secs
W10-> Pi  27

the data transfer is as follows:

the source patch sends 6 bytes and then waits until
a single byte comes back that signals the next 6 bytes can be sent.
in total 3538 data recs of 6 bytes are sent.

what could be the reason for this behaviour?
a bug?

rolf

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