ipv6 simply put

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It seems to me that ipv6 addresses the IP addressing from the public IP addresses perspective. So how about my private IP addresses? how will IPv6 bring to my internal network? Thanks

Your IPv6 capable machines will already have IPv6 Link Local addresses on them which begin with fe80::

eg, your windows 7 PC's are probably using IPv6 to talk to each other and your Windows 2008 Server assuming you have these.

fe80 addresses cannot communicate through a router, so they are just for private use on your LAN.

Is this what you need?

ASKER

I have Win XP SP3. How do I install IPv6 stack? Thanks

Install TCP/IP version 6 Protocol in Control Panel Add/Remove Windows Components

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See this also...
Screenshot-VM-100---XP1-----Goog.png

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Dave Baldwin

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"Gradualy implement it n your organisation. First infra [ routers/firewalls/DNS ] then systems etc. But now is a bit late to start... "

What do you mean it is a bit late to start? Does it mean that I cannot use IPv6 for my internal network? But do I really need to migrate my internal private IPv4 addresses to IPv6?

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noci,

Good stuffs you got there. Thx

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It seems to me that if I am using public IP addresses then I don't have to worry about IPv6. I don't really need to migrate my internal network to ipv6 because ipv4 can coexist with ipv6 with dual stack, tunneling, or translation. Does it make sense?

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noci,

"februari last year the ARIN gave away the last addresses."
I am a bit confused about the statement above because my client just got a /24 public IPv4 from ARIN last month.

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In Australia and other countries, such as India and China, who use APNIC which has virtually exhausted it's entire pool, can no longer allocate blocks to existing ISP's. They have keep a tiny reserve so that they can allocate a /22 to new startup ISPs only who can demonstrate that they will actually be able to use them.