On Thu, Dec 20, 2001 at 01:18:49AM -0500, Joel M. Halpern wrote:
> I tend to think about this from a different perspective.
> The requirements for policy can be thought of as
> a) carry enough information that a path selector can pick paths that fit
> its policies
> b) give the path selector enough expressive power that it can cause packets
> to follow paths that fit its policies
I would add to this that the path selector should additionally be able
to modify or replicate data based on that policy language. For example,
modification could be policy nesting of the information prior to forwarding
(assuming that some of the path information is an attribute of the data
itself).
-ron
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