IPv4 Exhaustion...`

Started by akiwiguy, February 01, 2011, 01:34:29 PM

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akiwiguy

We're nearly there. From Slashdot:
Quote from: SlashdotFollowing on from APNIC's earlier assessment that they would need to request the last available /8 blocks, they have now been allocated 39/8 and 106/8, triggering ARIN's final distribution of blocks to the RIRs. According to the release, 'APNIC expects normal allocations to continue for a further three to six months.'
Check here for stats.

Sіr. Ηaxalot

Well, ISPs better haul their asses over to IPv6 soon.

bommel


Kekerusey

IP6 wouldn't really be necessary if more companies firewalled and used internal 10.x.x.x addresses.

Keke
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Sіr. Ηaxalot

Quote from: Kekerusey on February 02, 2011, 01:07:35 PM
IP6 wouldn't really be necessary if more companies firewalled and used internal 10.x.x.x addresses.

Keke
But NAT < native addresses. I think that with IPv6 we will have something around 50 000 per square centimeter of the earth.

bommel

Quote from: Ilisaqpuq on February 03, 2011, 12:19:23 AM
To be exact, 50,000 really hard to remember addresses per cm2.
that is quite a lot - A LOT!!! :o

Sіr. Ηaxalot

I'd say that it's time for routers etc that actually support IPv6 to hit the market. I've yet to see one, and then I've tried both pfSense and DD-WRT. Both requires you to know a s*** of information about your ISPs setup that is autoconfigured if you plug you computer directly in the modem, which doesn't work when you have a (very) limited set of IPv4 addresses.

Tsamsiyu92

#7
Isn't IPv6 128-bit? If so, just type in 2128 (2^128) on a calculator and you'll s*** bricks over the amount of adresses.

30 undecillion (short scale) or 30 sextilion (long scale) adresses would take three eternities to uccopy.

bommel

Yeah, I guess we will have enough addresses for a few years :P

Sіr. Ηaxalot

50 000 adresses per cm2 doesn't seem to be right.

If I'm right it's actually 66 712 614 478 140 039 732,3 adresses per cm2. Including the oceans.

Ikran Eyktan

One interesting thing I thought about regarding IPv6, is there would be no logical need for network address translation (except for security purposes if desired) with the large 128bit space.

Swoka Ikran

Quote from: Ilisaqpuq on February 05, 2011, 09:30:12 PM
We're obviously going to need an upgrade in network & semiconductor technology to fit that many NICs in a square cm!
Then you need to find uses for them :P If I had that many interfaces, and was using all of them, chances are there's probably square miles upon square miles worth of area occupied by the equipment that's attached to them.

Nanotechnology anybody?
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Sіr. Ηaxalot

Quote from: Ikran Eyktan on February 06, 2011, 12:01:11 AM
One interesting thing I thought about regarding IPv6, is there would be no logical need for network address translation (except for security purposes if desired) with the large 128bit space.

Well, this is one of the largest upsides of IPv6! A normal switch would do the work just fine! You will no longer need to buy a $200 router to get the maximum out of your 100/100 connection, a $50 switch will do the work fine. :) Of course all usage of IPv4 must be eliminated before that would work. Then I can see that many people would still want a HW firewall, since it's more secure. But with NAT taken out of the calculation a fully IPv6 router should be cheaper / performance.

bommel

I regard NAT as a security feature. No one can break into my development servers because they can't be reached from the outside ;)

Sіr. Ηaxalot

That's why you would want a firewall instead ;)

bommel

Quote from: Sir. Haxalot on February 06, 2011, 01:41:01 PM
That's why you would want a firewall instead ;)
I have a fw but I never had trouble with NAT and I like the idea of hiding a lot of PC behind a single IP

Ikran Eyktan

One interesting part about the 128bit address space of IPv6, is that it would be impossible for us to even flip through every address possible with current technology.  Even with all the computing power that currently exists on earth, it would still take billions of years to exhaust the address space.  Its pretty easy to tell that we would never run out.  This is the same reason why the 128bit keyspace in Cryptography is considered secure indefinitely from a typical brute force attack.

bommel

A little bit OT but: if you can't solve your problem with brute force you're just not using enough ;)
I'm just kidding ;D

Human No More

At last :D

Now maybe ISPs can finally get onto deploying IPv6 properly :)
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Sіr. Ηaxalot

#19
Firewall's out of the way and my webserver is now running with native IPv6! (and twice as much RAM as before)