On Apr 8, 2009, at 9:14 PM, Tony Li wrote:
Using the postal example,
123 High Street,
Bigtown,
Green County,
Outer Luvania
We would agree (I think) that if an object / person moved next
door, and still wanted to be reachable, it would need to use a
different locator (say, 125 High Street). However, what if larger
sections of the geography itself move - perhaps today Green County
is beside Blue County, but tomorrow it is next to Red County.
Well, it's then the job of routing to compute that path. Certainly,
you wouldn't want a situation where every node on the network would
have to recompute its locator every time there was a topology change.
Maybe we can close the terminology gap here by defining a few
different kinds of topology change. Then I think the latest locator
definition might make sense if the "topology change" phrase in that
definition referred to only some of these kinds of changes, but not
all. In other words, I'm not sure if we have a different
understanding of the properties in play, or if our understanding is
reasonably similar and it is just the words that are causing the
confusion.
R,
Dow
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