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RE: Cope with IPv6

From: Okabayashi, Hirotsugu <Hirotsugu.Okabayashi_at_jp.sony.com>
Date: Fri, 2 Aug 2013 16:40:37 +0900

Dear Stefan,

I really appreciate that you help us.
I'm sorry not to make you understand exactly.
What we really want to know is the TSVN's specification for the authentication.
When TSVN uses the IPv6, can it communicate with the Authentication server(ldap)?
The OS responds to the Authentication server(ldap).
I think TSVN stop when authenticating with IPv6.
When TSVN uses the IPv4, TSVN can handle the Authentication.(No problem)

*The released TSVN' behavior is different from the nightly build's one.
 The released TSVN can't completely access to the server.
 The nightly build can authenticate operation(handled by the OS).

> > I'm sorry to confuse you.
> > Our network environment will consist of only IPv6.
> > Actually, we want to use only IPv6.
> > But, eclipse(IDE) is available for only IPv4.
>
> And that's the contradiction. either you access a server by ipv4 or by ipv6.
> but you can not tell TSVN that the server is ipv6 and then have its traffic
> routed to ipv4. If you still use ipv4, then tell TSVN to access that server
> via ipv4.
eclipse(IDE) is available for only IPv4.(mistake)
-> eclipse(IDE) is not available for native IPv6.(correct) *Available for NAT64.

> Yes, but NAT64 doesn't know which applications it has to handle and which
> ones not - the NAT only knows about computers/workstations, not individual
> applications on them. So it will always translate every data packet, whether
> it's from an ipv6 aware app or an ipv4 only app.
>
> > So, we have to use the SVN setting with IPv4.
> > I think there are many cases similar to this.
> >
> > I don't know if TSVN can communicate when TSVN use IPv6 and the server
> use IPv4.
>
> It does, as long as the DNS of the server returns an ipv4 address. If however
> it returns an ipv6 address but the server only responds to ipv4, then of
> course it won't work.
Yes, that's right.
Sorry not to tell you exactly.

> > I don't think TSVN can't communicate if TSVN communicates with the
> > server directly Could you share about the TSVN's specification.
>
> What exactly do you want to know here? What specifications?
> It works with ipv6, if you need specifications of the ipv6 standard, please
> search the web for those.
>
> However we can not help you with your network setup. We provide support
> for TSVN/svn problems here, we don't provide support for network problems.
Sorry, we want to know above specification.

Regards,

> -----Original Message-----
> From: Stefan Küng [mailto:tortoisesvn_at_gmail.com]
> Sent: Thursday, August 01, 2013 8:31 PM
> To: Okabayashi, Hirotsugu
> Cc: users; SGS/systemtec/CMsupport
> Subject: Re: Cope with IPv6
>
> On 01.08.2013 04:13, Okabayashi, Hirotsugu wrote:
> > Dear Stefan,
> >
> > I'm sorry to confuse you.
> > Our network environment will consist of only IPv6.
> > Actually, we want to use only IPv6.
> > But, eclipse(IDE) is available for only IPv4.
>
> And that's the contradiction. either you access a server by ipv4 or by ipv6.
> but you can not tell TSVN that the server is ipv6 and then have its traffic
> routed to ipv4. If you still use ipv4, then tell TSVN to access that server
> via ipv4.
>
> > We have a alternative plan for some applications that can't be available
> for IPv6.
> > That is NAT64.
>
> Yes, but NAT64 doesn't know which applications it has to handle and which
> ones not - the NAT only knows about computers/workstations, not individual
> applications on them. So it will always translate every data packet, whether
> it's from an ipv6 aware app or an ipv4 only app.
>
> > So, we have to use the SVN setting with IPv4.
> > I think there are many cases similar to this.
> >
> > I don't know if TSVN can communicate when TSVN use IPv6 and the server
> use IPv4.
>
> It does, as long as the DNS of the server returns an ipv4 address. If however
> it returns an ipv6 address but the server only responds to ipv4, then of
> course it won't work.
>
> > I don't think TSVN can't communicate if TSVN communicates with the
> > server directly Could you share about the TSVN's specification.
>
> What exactly do you want to know here? What specifications?
> It works with ipv6, if you need specifications of the ipv6 standard, please
> search the web for those.
>
> However we can not help you with your network setup. We provide support
> for TSVN/svn problems here, we don't provide support for network problems.
>
> Stefan
>
> --
> ___
> oo // \\ "De Chelonian Mobile"
> (_,\/ \_/ \ TortoiseSVN
> \ \_/_\_/> The coolest interface to (Sub)version control
> /_/ \_\ http://tortoisesvn.net

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Received on 2013-08-02 09:40:50 CEST

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