On 29 Jul 2010 12:19, Owen DeLong wrote: > On Jul 29, 2010, at 8:00 AM, Matthew Walster wrote: > >> On 29 July 2010 15:49, Owen DeLong <o...@delong.com> wrote: >> >>> If we give every household on the planet a /48 (approximately 3 billion >>> /48s), we consume less than 1/8192 of 2000::/3. >>> >> There are 65,536 /48s in a /32. It's not about how available 2000::/3 >> is, it's hassle to keep requesting additional PA space. Some ISPs >> literally have millions of customers. >> > If you have millions of customers, why get a /32? Why not take that fact and > ask for the right amount of space? 1,000,000 customers should easily qualify > you for a /24 or thereabouts. If you have 8,000,000 customers, you should > probably be asking for a /20 or thereabouts. >
... and paying sixteen times as much in assignment and maintenance fees. See the problem there? > It's not rocket science to ask for enough address space, and, if you have the > number of customers to justify it based on a /48 per customer, the RIRs will > happily allocate it to you. > Yes. However, I don't think the RIRs are as willing to give out address space for _potential_ customers, e.g. if a telco or cableco wanted to assign a single block to each CO/head end to account for future growth. OTOH, you can get address space based on a /48 per actual customer, then actually assign a /64 per potential customer and have enough for massive growth. > Why waste valuable people's time to conserve nearly valueless > renewable resources? > By creating artificial scarcity, one can increase profits per unit of nearly-valueless, renewable resources. See also: De Beers and the demonizing of artificial diamonds. S -- Stephen Sprunk "God does not play dice." --Albert Einstein CCIE #3723 "God is an inveterate gambler, and He throws the K5SSS dice at every possible opportunity." --Stephen Hawking
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