1. Opening Peer groups and templates solve a different scaling problem from route reflectors. They reduce repetitive configuration and poli...

1. Opening Confederations are another way to scale BGP inside a large administrative domain. They divide the domain into member autonomous ...

1. Opening Route reflection can hide paths. A reflector generally selects a best path and reflects that view; clients may therefore never l...

1. Opening One route reflector solves session scale but can become a control-plane single point of failure. Adding a second reflector impro...

1. Opening Route reflection changes the iBGP propagation model so selected speakers can re-advertise iBGP-learned routes. That removes the ...

1. Opening iBGP does not automatically relay every route learned from another iBGP peer. That behavior prevents simple internal loops but c...

1. Opening A production multihoming design must work as a system. Outbound and inbound engineering are different problems, and a design tha...

1. Opening Hot-potato routing hands traffic to another AS at the nearest acceptable exit. Cold-potato routing intentionally carries traffic...

1. Opening Many providers publish communities that customers can attach to routes to request specific upstream actions. These can be more p...

1. Opening AS-path prepending makes one advertisement appear longer by repeating the local ASN. It can influence remote path selection, but...