Originally Posted by Brian Miller
Not everything in a home network goes over WAN. I move a lot of data between my devices, and someday hope to be able to move video data between the S3 and my PC. I avoided WPA because I didn't want to slow down my LAN (WAN notwithstanding), since I'd heard WPA has higher overhead than WEP.
Yeah, I'm also waiting to be able to transfer stuff to/from my S3.
It does have a higher computational overhead than WEP, and that's due to the addtional complexity of the crypto stuff that's happening. The TiVo WiFi adapter offloads a great deal of this crypto function from the TiVo unit itself, and serves to speed the transfers quite a bit.
I took an alternate approach in wiring up my S3. It is a bit more complicated than your average wireless network, but I can re-use the components I bought for other purposes if needed. I got another wireless router, flashed it with 3rd party firmware, and set it up in a mode that's known as a "wireless bridge" or "client bridge". It connects the wired ethernet devices (i.e. the S3) to the wireless LAN. So, the S3 simply thinks it's connected to a wired network, and doesn't have to worry at all about the wireless crypto stuff. Also, should I want to re-use the router for some other purpose, I can re-configure it to do so. I wouldn't be able to do that with a TiVo adapter.