Path Computation Element (PCE) Protocol Extensions for Stateful PCE Usage in GMPLS-controlled Networks
2019
The Path Computation Element (PCE) facilitates Traffic Engineering
(TE) based path calculation in large, multi-domain, multi-region, or
multi-layer networks. The PCE communication Protocol (PCEP) has been
extended to support stateful PCE functions where the PCE retains
information about the paths already present in the network, but those
extensions are technology-agnostic. This memo provides extensions
required for PCEP so as to enable the usage of a stateful PCE
capability in GMPLS-controlled networks.
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