On Sep 13, 2007, at 3:05 AM, Jun-ichiro itojun Hagino wrote:
Let me see if I understand this. Without PI, the enterprises say
no, and with
PI, the ISP's say no. Got it.
I believe that a more constructive assessment is that enterprises are
unwilling to pay non-trivial costs to renumber, and ISPs are
unwilling to pay non-trivial costs to support a non-scalable routing
subsystem.
my persistent question to the enterprise operator is this:
how frequently do you plan to switch your isp, or how many times
did you do that in the past?
i have never got any reasonable answer from anyone.
Based on the high volume, fairly small enterprises I deal with,
roughly every 2 - 3 years.
If the Internet and its costs are truly critical to an enterprise,
then either cost of service or quality of service perturbations mean
that switching is fairly likely with time (or, at least, this has
been the case in the past). The biggest barrier to switching is
typically legal, not technical. (Switching may require breaking
contracts & paying penalties.)
I don't claim a representative sample, but it's a data point.
Regards
Marshall
itojun
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