PCE Communication Protocol for Resource Advertisement in Multi-domain BGP-based Networks
Filippo Cugini, Francesco Paolucci, Luca Valcarenghi, P. Castoldi, Annikki Welin · 2009
PCEP messages are proposed to announce inter-domain resource information typically not advertised by BGP because of scalability reasons. Proposed messages enable effective PCE- based path computations and preserve network stability, scalability, and intra-domain information confidentiality.