91–100 of 110 posts
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I think mobile carriers will be some of the first to transition. The number of devices they need to connect is exploding, and since they have more control over the devices than general ISPs, they can smooth the transition.
This is happening already. All of Verizon's currently shipping LTE (4G) devices have native IPv6.
I always thought that when we ran out of IP4, that some of the companies holding on to Class A blocks would release parts of those for use. I'm not a master of how blocks are assigned or if addressing wise it would be feasible but really, does Ford fully use its Class A block? Prudential Insurance? Eli Lilly? GE?
They could be playing the long view and realizing how much that address space is worth. If I were in charge of IT at those companies, I'd renumber out of the block and start thinking about selling the space, once it gets tight. I've noticed that the perceived view in the netops community -- backed up by mailing list messages today, even -- is that such an IPv4 broker market is an inevitability no matter what the RIRs…
90% of the space was assigned via DHCP, but that remaining 10% which was statically assigned was a lot of work. Imagine tracking down every device assigned an IP address, scattered across a college campus.
Our routing configuration was trivial (single super-net, single site, &c), compacting an enterprise /8 would be an insane amount of work.
The long view isn't making a quick buck off v4, it's moving to v6 as quickly as possible.
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They could be playing the long view and realizing how much that address space is worth. If I were in charge of IT at those companies, I'd renumber out of the block and start thinking about selling the space, once it gets tight. I've noticed that the perceived view in the netops community -- backed up by mailing list messages today, even -- is that such an IPv4 broker market is an inevitability no matter what the RIRs…
Many people don't realize how non-trivial renumbering a network is. I transitioned the resnet at a public university from a /19 to a new /18, and it took several months of planning to pull off. 90% of the space was assigned via DHCP, but that remaining 10% which was statically assigned was a lot of work. Imagine tracking down every device assigned an IP address, scattered across a college campus. Our routing configur…
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Looks like Stanford already did this with their block: http://en.wikipedia.org/wiki/List_of_assigned_/8_IP_address_... Its a pretty interesting list of companies that still hold onto these blocks.
I have to wonder what the DoD's Network Information Centre needs with 151 million IP addresses. Surely they could spare a few.
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From the Comcast link: Each user has been delegated a /64 block of approximately 18,446,744,073,709,551,616 (18 quintillion) unique IPv6 addresses. This seems like a ridiculous number of addresses, until you realize that this basically allows for 18 quintillion users, each with 18 quintillion addresses, before we exhaust the IPv6 space.
I think /64 was the guideline for the smallest divisible network an ISP should hand out. It basically allows for a household or organization to grow indefinitely while assigning anything that can hook up to the network a real IP address, with little restrictions on topology and/or address allocation layout. No need to reuse the addresses either, just give the new device a new one. EDIT: I forgot to add that it also a…
Using smaller networks than /64 is certainly possible, but it's not something you want to do on end-user network and it's best left only for things like point-to-point connections and intra-datacenter networks.
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They could be playing the long view and realizing how much that address space is worth. If I were in charge of IT at those companies, I'd renumber out of the block and start thinking about selling the space, once it gets tight. I've noticed that the perceived view in the netops community -- backed up by mailing list messages today, even -- is that such an IPv4 broker market is an inevitability no matter what the RIRs…
Many people don't realize how non-trivial renumbering a network is. I transitioned the resnet at a public university from a /19 to a new /18, and it took several months of planning to pull off. 90% of the space was assigned via DHCP, but that remaining 10% which was statically assigned was a lot of work. Imagine tracking down every device assigned an IP address, scattered across a college campus. Our routing configur…
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Also keep in mind there's likely to be a bit of IP reallocation happening. There are a number of companies with full /8 blocks they can't possibly fully utilize.
Yeah, HP as 2 /8s and they seem to be shrinking rather than growing.
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I strongly recommend this or 6RD. It's a very straightforward and easy way of getting into IPv6 before ISPs start offering IPv6, as comcast did recently ( http://www.comcast6.net/ ).
From the Comcast link: Each user has been delegated a /64 block of approximately 18,446,744,073,709,551,616 (18 quintillion) unique IPv6 addresses. This seems like a ridiculous number of addresses, until you realize that this basically allows for 18 quintillion users, each with 18 quintillion addresses, before we exhaust the IPv6 space.
The peak estimated birth rate on Earth was 173 million in the 1990s. If 200 million people were born every year and we gave every person a /64 block, we could allocate addresses for the next 92 billion years. The sun will be long dead by the time we use up that address space.