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Community ▶ Questions ▶ IPv4 vs IPv6 speeds
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IPv4 vs IPv6 speeds

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A friend of mine has a server in Manchester (England) on a 100Mbit/s connection. We did some speed testing; I downloaded a 360Mbyte file from his machine.

From my home connection (Verizon FIOS in NJ) I was able to pretty much max out the FIOS connection, averaging 3.16MByte/s, peaking (for long periods) at 3.65MB/s. Not bad!

From my Fremont Linode the speeds varied wildly from 1MB/s to 4MB/s, but averaged slower than my FIOS connection. Meh.

But then I noticed he was on IPv6 as well. So I did the same speed test via IPv6… 7.42MB/s, peaking to 9.8MB/s.

Wow, the IPv6 connection was easily 3 times better than the IPv4 connection. Neat stuff :-)

4 Replies

While 64-bit architectures are only marginally faster than 32-bit architectures, 128-bit architectures are massively faster.

Is it really due to the number of bits? I thought most of the design advantages of IPv6 don't really matter anymore due to the cheap cost of memory and cpus. Less congestion maybe? But I can't see why a provider would run an IPv6-only link.

hoopycat was making a joke.

@hoopycat:

While 64-bit architectures are only marginally faster than 32-bit architectures, 128-bit architectures are massively faster.
Yeah File transfers on windows 8 x128 is way faster!

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