Andrew Kohlsmith wrote:
It's not the amount of traffic that I'm concerned about, it's having a 200MHz processor processing the encryption for a half dozen or more VPN tunnels -- passing traffic isn't an issue, it's all the processor use for encrypting and decrypting. :-)
That's exactly what I referring to as well. The number of tunnels does not matter (to any significant degree); all that matters is what size the pipe that the device is connected is.
So, if the router is connected to a 1.5Mbps symmetric DSL line, it only has to be able encrypt/decrypt a total of 3Mbps of traffic, period. If a 200MHz ARM or Geode can't do that, I'd be surprised. I know that people are running software-based encryption on 266MHz Geodes and getting far better throughput than that.
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