On Thu, 30 Jan 2014, Lorenzo Colitti wrote:
If the routing protocol and the prefix distribution protocol are
separate, then they can end up with different ideas on what prefix is on
a given link. That will lead to blackholing.
I don't agree.
I think a valid approach is to have a separate protocol set the address on
an interface which is then picked up by the routing protocol and
redistributed just like if it was manually configured.
Routing protocol deamons normally don't set interface IP addresses, they
carry de-facto information they get from other places and the only thing
they update is the RIB/FIB in the machine.
So to continue this, even carrying service discovery information leads to
new information flow in that the routing protocol now needs to update a
service discovery "Information Base". At least this is less intrusive than
having it set interface IP addresses.
--
Mikael Abrahamsson email: swm...@swm.pp.se
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