Strange BGP announcement

Tony Li tli at juniper.net
Wed Nov 18 01:09:25 UTC 1998


patrick at 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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