Index[A] [B] [C] [D] [E] [F] [G] [H] [I] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [Z] bandwidths, on-demand service best effort grade of services best practices, security BFD factors, network design considerations BGP (Border Gateway Protocol) 2nd IPv6 PE Layer 2 VPN provisioning Border Gateway Protocol (BGP) 2nd IPv6 PE Layer 2 VPN provisioning bridged encapsulation, DSL remote access British Telecom business drivers, service convergence enterprise customers Layer 3 services |