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Comments on news posted 2004-09-16 09:53:46: Earthlink's Research and Development group has announced they're experimenting with a new SIP based proof-of-concept content sharing application dubbed SIPShare. ..

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Yowzaaah
Ours Go To Eleven

join:2000-12-14
DamnFlat, OH
clubs:

Honesty from an ISP?!?!?!?

Frankly Earthlink is admitting what most ISPs know already, most people get broadband to download things and play online games. If you just need to check your email dial-up does fine for $9.99 a month.

It's actually innovative of them to seek a standard protocol, and most likely would allow them to streamline services to better accommodate known P2P traffic.

Now they just need the ISPs with the checkbooks to join the "reality club" and lobby Congress to ignore Orrin.
--
Don't suspect your friends...Report Them. Brazil (if you haven't seen it, you should)


Anon users

@sympatico.ca
Why use UDP-based ?

Why Use UDP-based ?

Someone plz. explain. Is it difficult to spot? Any security related concerns?

Thx.


Yowzaaah
Ours Go To Eleven

join:2000-12-14
DamnFlat, OH
clubs:
UDP is significantly less chatty than TCP in that it doesn't send confirmation packets back to the downloader.
--
Don't suspect your friends...Report Them. Brazil (if you haven't seen it, you should)


elias
Premium,VIP
join:2000-07-24
Miami, FL
clubs:

 NAT Support?

I don't get it...

SIP works fine behind NAT.

The last line in the article say it doesn't work behind NAT.

This is supposed to be a SIP-based P2P? Doesn't seem to make sense.

-- Elias
--
Crunching the Midnight Oil


Dragasoni
We're All Mad Here
Premium
join:2001-12-14
Rotonda West, FL

UDP

UDP is like the post man. You mail a letter, and it usually gets there (but not always). It's a bit faster than TCP because it is not sending and receiving confirmation packets.

TCP is more reliable, but slower. Kind of like FedEx or UPS with their tracking abilities online.

-Dragasoni-
--
»www.dragasoni.com


Karl Bode
News Guy
join:2000-03-02

Host:
Road Runner
PC gaming GAMES
PC gaming Tech
reply to elias
Re: NAT Support?

It doesn't support NAT now, but it's very easily something others can implement:

quote:
Will EarthLink SIPshare work behind NAT?

No. All messaging, including the file transfer protocol, are based on UDP. If you want to extend EarthLink SIPshare by incorporating something like STUN for NAT traversal, by all means do so.


DaSneaky1D
one wall to block them all
Premium,MVM
join:2001-03-29
The Lou
reply to Dragasoni
Re: UDP

You know, that's a really good analogy.


DrTCP
Yours truly
Premium,ExMod 1999-04
join:1999-11-09
Round Rock, TX

reply to elias
Re: NAT Support?

said by elias See Profile:
SIP works fine behind NAT.
This is not true. Make a google search regarding SIP and NAT issues. The NAT gateway/firewall must be SIP aware to pass through standard SIP protocol. There are currently a bunch of routers that fail SIP and they need new firmware to function.

Yes, there are efforts to add to the SIP protocol to work behind NAT gateways but not all SIP device and gateway supports this.

MoKi8

join:2002-12-02
Tickfaw, LA
reply to Dragasoni
Re: UDP

lol i second that


elias
Premium,VIP
join:2000-07-24
Miami, FL
clubs:

reply to DrTCP
Re: NAT Support?

I disagree.

My previous job was at a SIP-based VoIP provider. We had SIP softphones on the computer as well as hardware phones.

I would say that about 99% of the time they worked just fine behind NAT w/out any configuration being done on the router.

-- Elias
--
Crunching the Midnight Oil


jap
Premium
join:2003-08-10
038xx
·RoadRunner Cable

searchable shares, too

If earthlink catches legal heat about this via "induce act" like legislation it'll be the built-in catalog creation & search capabilities that get 'em -- not the fact that they've provided a mechanism for p2p transport.

It'll be interesting to see how this plays out as earthlink is a large & respected enough business concern to offset the copywrong holding industry. I'll wager that earthlink's motivation behind this is that they *must* convert a substantial number of their longterm, dedicated dial-up base into broadband users or risk longterm biz viability.


DrTCP
Yours truly
Premium,ExMod 1999-04
join:1999-11-09
Round Rock, TX


1 edit
reply to elias
Re: NAT Support?

said by elias See Profile:
I would say that about 99% of the time they worked just fine behind NAT w/out any configuration being done on the router.
Your NAT gateway was probably SIP enabled. They need a SIP ALG code to do that (Application Level Gateway) or your VOIP softphones/hardphones implemented STUN extensions for VOIP.

See the following good whitepaper(s):

»www.sipcenter.com/sip.nsf/html/W···rsal.pdf
»www.intertex.se/upfiles/Intertex···aper.pdf
»www.newport-networks.com/whitepa···sal.html


elias
Premium,VIP
join:2000-07-24
Miami, FL
clubs:
That's pretty odd...

We found it to work on plenty of old routers, etc.

-- Elias
--
Crunching the Midnight Oil


Dragasoni
We're All Mad Here
Premium
join:2001-12-14
Rotonda West, FL
reply to Dragasoni
Re: UDP

Why, thank you gentleman

-Dragasoni-
--
»www.dragasoni.com


kev681

@wi.charter
EarthLink SIPshare

How does one install it?
Forums » Earthlink Peer to Peer?


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