IPv4 to Ipv6

Posted on 2006-05-05
Last Modified: 2012-06-27
I would like to know how will IPv6 speed up the processing of TCP/IP packets and also how will devices that currently use IPv4 be able to handle IPv6 packets.

Thankyou for any help you can give me.
Question by:endo52
    LVL 42

    Expert Comment

    may i ask your real-world application so that we know this is not a homework question?
    LVL 32

    Expert Comment

    Who said IPV6 will speed things up?  I think that's an incorrect assumption.  

    Who said IPV4 devices will be able to handle IPV6 packets?  They can't!

    Author Comment

    No this isn't a homework question and I did find the answer I was looking for it just took a little bit more research. Thanks anyway.

    I would like to know where you got your info if I may ask.
    LVL 42

    Accepted Solution

    ipv4 devices will be able to handle ipv6 because ipv6 is backward compliant.  ivp6 is currently out there...
    it's just that an ipv4 device wont be able to take advantage of the ipv6 features.

    "Applications already developed using IPv4 will have no knowledge of this socket option; this implies that all IPv4/IPv6 socket transformation should only be performed by IPv6 applications. However, during the transition between IPv4 and IPv6, you may still need to develop pure IPv4 applications. Use IPV6_ADDRFORM to check, and if necessary transform any incoming IPv6 sockets into IPv4 sockets. This will ensure that that your application will work effectively in a mixed IPv4/IPv6 environment."

    moreover, ipv6 is faster and more efficient than ipv4.  you can get the details here:

    Author Comment

    zephyr hex


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