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178 posts

Master Geek
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  Reply # 967881 16-Jan-2014 00:57 Send private message

My ISP is Woosh and they have me on IPv6. (thankfully with a public IPv4 address as well)

1036 posts

Uber Geek
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  Reply # 968753 17-Jan-2014 10:50 One person supports this post Send private message

It's more important to have ipv6 for end users, than web servers and email etc, which will still need an independant ipv4 address anyway.

If talking to people in China on skype it's common to go via the US because a direct connection cannot be established due to wide usage of NAT in China already.

And if there was one application, I'd really like to see gain IPv6 support it's Skype.

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  Reply # 968755 17-Jan-2014 10:52 Send private message

Beccara: Not too shabby but again you now can't just blindly roll out native v6 as an ISP without the major problem of self run SMTP servers causing you problems. Until you as an ISP figure that out blindly deploying it to all clients is a real problem *IF* your modems/routers pick it up and deploy it to the client lan automatically

Akamai and Cloudflare both have sales reasons for pushing v6, It's another point of difference and another box ticked for their clients. If clients didn't care or ask they wouldn't be moving on it at all


Self-running a SMTP server these days is much more complicated than it is in the past, and I don't think it really should be encouraged.  If people want to do it, they should know they want to do it.  And if they can't sort out reverse DNS on IPv6 then that's their problem.

That said, reverse DNS on IPv6 is a bit of a challenge.  Not everyone runs their own DNS, and it's unlikely to see reverse DNS on every IP.

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  Reply # 968756 17-Jan-2014 10:52 Send private message

Skype doesn't have NAT traversal? I thought that it used a central server to establish the connections directly between the parties even if they were behind NAT?





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Uber Geek
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  Reply # 968757 17-Jan-2014 10:55 Send private message

Zeon: Skype doesn't have NAT traversal? I thought that it used a central server to establish the connections directly between the parties even if they were behind NAT?


Not IME.  I have a real IP, so I'm not actually sure why it was routing via the US.  But with other NZ users if you sniff the traffic it shows direct connections, but sniff  conversation to China and it was going via the US.

Also connectivity to China can be pretty variable.  It works better with audio only than audio+voice.  Apparently CGNat is already big there even on  10 megabit "fibre" connections.

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  Reply # 969400 18-Jan-2014 16:02 Send private message

Zeon: Skype doesn't have NAT traversal? I thought that it used a central server to establish the connections directly between the parties even if they were behind NAT?


Its a big P2P network, you actually relay other peoples conversations through your computer when skype is sitting there in the background doing nothing.

https://support.skype.com/en/faq/FA10983/what-are-p2p-communications





Ray Taylor
www.ruralkiwi.com

There is no place like localhost
For my general guide to extending your wireless network Click Here




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Master Geek
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  Reply # 969411 18-Jan-2014 16:59 One person supports this post Send private message

raytaylor: Its a big P2P network, you actually relay other peoples conversations through your computer

Skype hasn't used P2P supernodes since 2012.

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