OnionCat 0.1.9 now supports IPv4

[7v5w7go9ub0o]

Bernhard Fischer wrote:
> On Monday 15 September 2008, Sven Anderson wrote:
>> Am 15.09.2008 um 16:16 schrieb Bernhard Fischer:
>>> We have a new version of OnionCat ready which is now capable of
>>> IPv4-forwarding.
>>>
>>> Read http://www.abenteuerland.at/onioncat/ for further instructions
>>> on how to
>>> use OnionCat and IP.
>> Does it really work in an acceptable way? I ask because "TCP Over TCP
>> Is A Bad Idea"[1]. I would expect it to have an awful performance.
>>
>> [1] http://sites.inka.de/~bigred/devel/tcp-tcp.html
>>
>>
>> Regards,
>>
>> Sven
> 
> What somebody would define as "acceptable" may be different but basically your 
> concern about it is right.
> 
> TCP over TCP is an issue which has some kind of "rubber-band" effects on the 
> packet transmission but that's a problem that share all kinds of VPNs. 
> Hopefully TOR will work with UDP eventually because in respect to performance 
> this would give lower latencies in my opinion and would also make OnionCat 
> more powerful.
> 
> Specifically with TOR and OnionCat the rubber-band effect can even be observed 
> when sending pings over OnionCat (and that's ICMP over TCP ;).
> I'm not sure but I think that's because of the numerous concatenated TCP 
> sessions that TOR circuits are built of.
> 
> But the real biggest problem currently is the bad performance of hidden 
> services in general which overlays all other difficulties.
> 
> The advantage of OnionCat is its IP-transparency and together with TOR it is 
> location hidden. If someone wants or needs to use hidden services he will 
> also use OnionCat, there's not really a difference in performace.
> 
> Bernhard

Is there a performance difference between IPv4 and IPv6 (TCP over TCP)? 
I'd presume none; and I'd also presume that a UDP vpn would work fine.

(Thanks for developing OnionCat!)