On Feb 23, 2010, at 3:49 PM, Picconi Fabio wrote:

Hi,

Reading the ALTO protocol draft I noticed that there is no discussion about costs being symmetric or asymmetric. Does this mean that you assume symmetric path costs ?

costs computation algorithms (for either maps or ranking services) is
assumed to be implementation specific.

Any smart implementation will figure out the cost taking into account
cost [a]symmetry and traffic direction.

s.




Fabio
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