They probably think that, if on the same LAN, bandwidth is plentiful and
latency is low. Therefore they can resort to TCP without any noticeable
performance degradation, while not crowding out other streams on the LAN
as they might if they continued using the UDP protocol. (Hopefully, one
day, DCCP may make this a moot point.)
Just my two cents,
Mike
David Barrett wrote:
Why would TCP be faster than UDP over a LAN for VoIP traffic?
I can’t think why Skype would do that, unless maybe to use a stream
cipher for better encryption?
------------------------------------------------------------------------
*From:* [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] *On Behalf Of *Lemon Obrien
*Sent:* Tuesday, July 11, 2006 7:33 PM
*To:* theory and practice of decentralized computer networks
*Subject:* Re: [p2p-hackers] UDP NAT Hole Punching Question
speed.
*/Carlos Alberto Kamienski <[EMAIL PROTECTED]>/* wrote:
> I have studied Skype for this effect, and I have seen that it isnt
> working with UDP (in my NAT environment atleast), all TCP
> communications, on port 80 and 443. I am new and bewildered. I need
> some direction, as how to progress, in writing a simple p2p
> communication over NAT.
We've been working with Skype and found out that in the newest versions,
when both peers are behind the same NAT (i.e., probably in the same LAN),
it uses TCP and not UDP. I was wondering if anyone could tell me why this
was changed.
Carlos
>
> sorry for the dumb post, if it sounds like one, I am absolutely a
> newbie in this field.
> regards
>
--
-------------------------
Carlos Alberto Kamienski
[EMAIL PROTECTED]
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You don't get no juice unless you squeeze
Lemon Obrien, the Third.
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