Last updated on October 26, 2018
Recently I was puzzled by the following articles about Raw-Ethernet frames:
Briefly, both of them discusses that it is possible to establish a point-to-point communication using only the Ethernet layer. In that case, the overhead of the IP and TCP layers would be avoided and the throughput would increase (roughtly 50% according to some benchmarks).
I would like to do a similar test but in a wireless environment. However, I have some issues:
Is there any hardware constraint (ie: the Wi-Fi card) that might undermine such effort?
Both articles chose the following frame format:
Preamble | Delimiter | Mac Headers | Payload | Pad | CRC
As far as I know, preamble, delimiter, pad and CRC are added by the Ethernet device to every frame and can not be changed via software. I guess with Wi-Fi devices is similar. Therefore, is there any hardware constraint (ie: the Wi-Fi card) that would undermine removing the Mac Headers?
ps: consider that the communication will be on a point-to-point basis, ie., there will be no routers, switches, bridges, ... no internet connectivity.