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Support for peer adjacency through non-participating interior nodes Protocol is generic, PCEMP maintains adjacencies over inter-domains and multi-layer networks by considering them as opaque Data-driven mechanism for protocol FSM execution is flow based ? no additional configuration updates necessary to PCEs attached to networks Partitioning the virtual network into PCE Domain Areas (PCEDAs) In-line with the protocol architecture that provides branch-wise granularity in data protection within an autonomous system In the peer service model, the provider partitions the TE links within the provider network per client solicitation, and discloses per client TE link info to corresponding clients ? Partitioning into PCEDAs with PCEMP is a direct driver to this Main features of PCEMP |