In my continued quest through BGP i ran into a couple of things which i wanted to share my thoughts about.
All of them has to do with a non-direct peering between BGP peers.
Originally the BGP protocol was designed to be run between directly connected routers. Then came along these busy times where we might want to have two connections, for redundancy and load-balacing purposes. We also want to have a single peering only. These days we might even have non-BGP speakers in our core, such as with MPLS.
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