will we need vpn(virtual private network ) when we start using a complete ipv6 network

45 pts.
Tags:
IPv6
Remote access
Virtual Private Network
VPN
can we be able to connect a remote user and corparate using just IPv6... or do we need vpn to connect them

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i am asking for a pure IPv6 network… where we dnt have any IPv4 network… IPv6 is going to be the future…

In defence of my previous answer..

The ISP probably only offers an IPv4 service, so you need to tunnel the IPv6 inside IPv4 to provide the connection between the end user and the Central site. That is why I said you need to speak to the ISP and see if they can offer an end-to-end IPv6 service. If the two ends are different ISPs then the odds go down.

You haven’t done your profile, so I don’t know where in the World you are located. The availability of an IPv6 solution will vary depending on where you are as much as anything else.

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  • Jfernatt
    Blank is correct. During the many years I am sure it is going to take for everyone to transition to IPv6, you will have to have some sort of way to transport your IPv6 packets across an IPv4 backbone. If you were on a pure IPv6 internet, with IPv6 end to end, I'm sure you could be set up so that everything on your network was visible from anywhere, but I would assume that you and your organization would want some sort of privacy and VPN in some form would still be used. But only time will tell haha
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  • Denim0mm
    in vpn we tunnel the data and address.. when we send it through the transport media... so when we use IPv6 as a network.. where IPv6 is build with IPsec on it already... so does IPsec going to do the tunneling process here...
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  • BlankReg
    You can't use any of the IPv6 features for security when it goes over an IPv4 network. The IPv4 network doesn't know anything about these. You need to have devices on both sites to do the IPv4 VPN and they will tunnel the IPv6. They may be able to 'look' at the IPv6 and take some features if they can be implemented in IPv4 (QoS is an example), but that is likely to be the limit. I am not still 100% convinced that IPv6 is the cure to all our ills. I lived through OSI and ATM, both of which were supposed to do everything,and are now not used in anything like the omnipresent way it was expected. By the time we really need to replace IPv4, a new and better solution is likely to be found. But don't listen to an old cynic like me :-)
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  • BlankReg
    Regarding the VPN, it could be IPSEC, or it could be something like MPLS, if that is available at the right cost. It kind of depends on price, availability and other factors such as if the end points are fixed locations. My guess is you would go for an IPv4 IPSEC VPN that tunnels the IPv6 packets between the end points.
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  • BlankReg
    Now, what did my opld teacher say ? READ THE QUESTION ! Or at least the update to it. "i am asking for a pure IPv6 network... where we dnt have any IPv4 network... IPv6 is going to be the future..." In a pure IPv6 network, the encryption is done by the IP protocol, as I understand it, and you don't need any other protocol to achieve this. It is supposed to be one of the major benefits of IPv6, along with the ability to allocate an IP address to every atom in the known universe. You would not need a separate VPN as such, but you would need to configure the appropriate level of security on the IP connection.
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  • SilviaHagen
    Have a look at Direct Access coming with Windows7. It uses IPv6, IPsec and transition mechanisms and is sort of a replacement for third party VPN solutions. Pretty cool stuff and seems to work well. Silvia
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