Android max ping size less than 64K

doing some test开发者_Python百科s with my ADP1 (version 1.6) I noticed that the maximum ping that I can send when it's connected with wifi (ad.hoc or with a router) is of 57740 bytes, shouldn't be 64K? I think it's related with the receiving buffer, do somebody know how to modify it or how to get information about it?

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This isnt the case with Android only. See this

maximum packet size for a TCP connection