I have a question about draft-ietf-spring-for-enhanced-vpn-10.txt Section 3 states in paragraph 4:
/ "As the resource-aware SIDs can be allocated either by a centralized network controller or by the network nodes, control plane protocols such as IGP (e.g., IS-IS or OSPF) and BGP-LS can be used to distribute the resource-aware SIDs, together with the associated network resource and topology attributes of an NRP to other nodes in the same NRP and also to the controller, so that both the network nodes and the controller can generate the NRP-specific forwarding table or forwarding entries based on the resource-aware SIDs of the NRP. "/ BGP-LS distributes existing values for the resource-aware SIDs. Is the controller work only based on reading existing values (set by configuration or the OSPF or ISIS protocols? However, NRP ID for candidate SR Policy (BGP-SR) is passed by BGP? How does this fit into this paragraph?
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