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Re: Strange BGP announcement


From: Tony Li <tli () juniper net>
Date: 17 Nov 1998 17:09:25 -0800


patrick () ianai net (I Am Not An Isp) writes:

You said you wanted routers that followed the RFC.  The RFC does not
mention list AS_PATH length as a route selection criteria.  I have been
told that the draft for the next rev specifically prohibits using AS_PATH
length as a route selection criteria.


Patently false.  In particular, the spec allows an implementation to invoke
local policy when computing the local preference of a route.  An
implementation can reasonably incorporate the AS path length in its local
preference calculations as part of its policy.

Tony


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