Hi, I'm working on a project on large wireless network and I have one question. What are transfer rates when using 802.11g with WPA or WPA2 encryption and EAP-TLS authentification? Is there any affect of using encryption on wireless network's performance?
The paper claims that encryption is enabled for these calculations, but my numbers seem to indicate that these number are for encryption disabled. Dunno for sure. The Max TCP and Max UDP are the theoretical maximum thruput rates.
It's difficult to estimate the effects of encryption on thruput. Rule of thumb is about 15% loss as compared to un-encrypted. The payload for WEP and WPA with RC4 encryption are identical. Only the key exchange uses a different algorithm, but the same number of packets.
WPA2 comes in various flavours and implimentations. AES encryption is usually done in hardware, but here are software implimentations. The all software implimentations tend to be somewhat slower but not much.
The method of authentication has absolutly no effect on thruput as it only happens perhaps once every hour or so.
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