Eric, If as it turns out if the primary motivation for 3107bis is to distribute label stack for segment routing that I do not think per destination prefix is a sufficient granularity.
How with 3107(bis) you can match on the src of the packets ? How you can match on the more granular information to steer packets differently depending on the application ? Wouldn't it be more flexible to simply define new attribute to carry the stack within any SAFI as an opaque to BGP data ? That way one can easily use it in unicast SAFI or even in FlowSpec. Thx, R.
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