Topology ModelerWAN topology model
TE Serversite-level TE paths
BwEdemand · app rate limits
B4 Gatewayreads & programs B4BRs
B4BR
B4BR
B4BR
B2BR
B2BR
network state
topology
demand
TE paths
fallback
B4 WAN control · centralized TE
B4 · B4BRs
B2 · user-facing WAN