On Tue, Jun 4, 2013 at 10:29 AM, Sheng Jiang <shengji...@gmail.com> wrote:
> >They are stealing from the consumer's flexibility to > >provide (questionable) functionality to the provider. > > What's the problem if the consumer get /48 as you want, and providers play > their 28 bits (bit 20~47)? > The problem is that the RIRs will not accept "we use semantic bits" as a justification for requesting more address space. Thus the provider only has the following choices: 1. Give customers less than a /48. 2. Request more space than they need for the customers they have, and hope that they never have to get more address space in the future. 3. Not use semantic prefixes.
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