Sprint IPv6

Jeroen Massar jeroen at unfix.org
Thu Oct 2 11:24:29 CEST 2008

Gert Doering wrote:
> Hi,
> On Thu, Oct 02, 2008 at 10:53:56AM +0200, Jeroen Massar wrote:
>> Bonness, Olaf wrote:
>> [..]
>>> But this seems true for all tunneling techniques and not only for
>>> 6PE or am I misssing something?
>> I guess, the 'using it' factor is what you are missing? :)
>> Traceroutes work like a charm for proto-41, ayiya, openvpn, tinc,
>> everything else I can name....
> Well, actually, it doesn't.  You can see "before the tunnel it's fast,
> after the tunnel, it's slow" - but there is no way to figure out 
> at which point of the underlying non-tunneled infrastructure the bottleneck
> might be.

Of course, tunneling adds overhead and latency because of encap/decap.
Those things tend to be difficult to determine.


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