On 4/22/09 6:03 PM, Tony Li wrote:
Anycast looks to be a pure application/service layer issue. Yes, ok,
you COULD aggregate anycast for common services that have the same
source. I don't see how that helps the general case of services that
are supported by multiple sources (e.g., DNS, NTP). Those don't seem
to aggregate at all.
At one point I pondered this idea. It would be to have several dozens
of blocks of which people could choose one for their anycast service,
based on what sorts of localities they wished to cover (and hence
purchase service from). The problem is that the number of permutations
of those localities gets large fast, and it also violates a rule I
imposed on myself when thinking about the problem, that perhaps is worth
sharing:
Any solution should scale up with market competition.
That one is arguably difficult to manage.
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